usaco-4.4-milk6-passed
这个题目卡了好几天，每提交一次，发现一次问题，考虑问题就要这样周全，哈哈，终于过了，过了。
除掉用经典最小割最大流算法，能过数据，但会超时，还超的不是一般的多，用上合并相同边算法，呵呵，秒过。
这题，网上有很多解法，但就是看不明白。还是我这个好懂，好懂，好懂。
刚提交了这题，这个USACO网站就抽了，上不去了，RTXRBB，还准备再接再励突破呢。
/* ID: qq104801 LANG: C++ TASK: milk6 QQ:104804687 */ #include <iostream> #include <fstream> #include <cstring> #include <vector> #include <queue> #include <stack> #include <algorithm> using namespace std; const int maxn = 100 + 10; const int INF = 1000000000; struct Edge { int from, to, cap, flow; int cost; int weight; Edge(int u, int v, int c, int f, int w): from(u),to(v),cap(c),flow(f),cost(w) {} }; struct MCMF { int n, m; vector<Edge> edges; vector<int> G[maxn]; int inq[maxn]; // 是否在队列中 int d[maxn]; // Bellman-Ford int p[maxn]; // 上一条弧 int a[maxn]; // 可改进量 int www[maxn][maxn]; // add cap vector<int> ggg[maxn][maxn];//store (u,v) 's serial number vector<Edge> edges2; //backup data void backup() { edges2.clear(); for(int i=0;i<edges.size();i++) edges2.push_back(edges[i]); } void prepaire() { memset(d,0,sizeof(d)); memset(p,0,sizeof(d)); memset(a,0,sizeof(a)); //edges.clear(); for(int i=0;i<edges2.size();i++) edges[i]=edges2[i]; } void init(int n) { this->n = n; for(int i = 0; i < n; i++) G[i].clear(); edges.clear(); } void AddEdge(int from, int to, int cap, int cost) { edges.push_back(Edge(from, to, cap, 0, cost)); edges.push_back(Edge(to, from, 0, 0, -cost)); m = edges.size(); G[from].push_back(m-2); G[to].push_back(m-1); www[from][to]+=cap; } void merge() //merge same (u,v) { for(int i=0;i<edges.size();i++) { Edge& e=edges[i]; if (e.cap>0) { e.cap=www[e.from][e.to]; ggg[e.from][e.to].push_back(i); for(int j=i+1;j<edges.size();j++) { Edge& ee=edges[j]; if(ee.from==e.from && ee.to==e.to) { ggg[e.from][e.to].push_back(j); ee.cap=0; } } } } } bool BellmanFord(int s, int t, int& flow, int& cost) { for(int i = 0; i < n; i++) d[i] = INF; memset(inq, 0, sizeof(inq)); d[s] = 0; inq[s] = 1; p[s] = 0; a[s] = INF; queue<int> Q; Q.push(s); while(!Q.empty()) { int u = Q.front(); Q.pop(); inq[u] = 0; for(int i = 0; i < G[u].size(); i++) { Edge& e = edges[G[u][i]]; if(e.cap > e.flow && d[e.to] > d[u] + e.cost) { d[e.to] = d[u] + e.cost; p[e.to] = G[u][i]; a[e.to] = min(a[u], e.cap - e.flow); if(!inq[e.to]) { Q.push(e.to); inq[e.to] = 1; } } } } if(d[t] == INF) return false; flow += a[t]; cost += d[t] * a[t]; for(int u = t; u != s; u = edges[p[u]].from) { edges[p[u]].flow += a[t]; edges[p[u]^1].flow -= a[t]; } return true; } // 需要保证初始网络中没有负权圈 int MincostMaxflow(int s, int t, int& cost) { int flow = 0; cost = 0; while(BellmanFord(s, t, flow, cost)); return flow; } }; MCMF g; int n,m; vector<int> G[maxn]; int cmp(const void *a,const void *b) { return *(int*)a<*(int*)b; } void test() { freopen("milk6.in","r",stdin); freopen("milk6.out","w",stdout); cin>>n>>m; int u,v,c; g.init(n+1); for(int i=1;i<=m;i++) { cin>>u>>v>>c; g.AddEdge(u,v,c,0); } g.merge(); g.backup(); int cost; int flow=g.MincostMaxflow(1,n,cost); //cout<<flow<<endl; vector<int>mincut; vector<int>ff; int total=flow; if(flow==0) { cout<<"0 0"<<endl; return; } int loopcount=g.edges.size(); for(int i=0;i<loopcount;i++) { g.prepaire(); int cap=g.edges[i].cap; g.edges[i].cap=0; int tt=g.MincostMaxflow(1,n,cost); ff.push_back(tt); Edge& e=g.edges[i]; //cout<<i<<" "<<tt<<" "<<cap<<" " //<<" from:"<<e.from<<" "<<e.to<<" size:"<<g.ggg[e.from][e.to].size()<<endl; if(total==0) break; } g.prepaire(); for(int i=0;i<loopcount;i++) { //cout<<i<<"*"<<ff[i]<<"*"<<g.edges[i].cap<<endl; if(ff[i]==0 && flow==g.edges[i].cap) { Edge& e=g.edges[i]; if(g.ggg[e.from][e.to].size()>0) for(int j=0;j<g.ggg[e.from][e.to].size();j++) mincut.push_back(g.ggg[e.from][e.to][j]/2+1); else mincut.push_back(i/2+1); if(total-e.cap==0) break; } } if(mincut.size()==0) { for(int i=0;i<loopcount;i++) { //cout<<i<<"*"<<ff[i]<<"*"<<g.edges[i].cap<<endl; Edge& e=g.edges[i]; if(g.edges[i].cap==0) continue; if(flow==g.edges[i].cap+ff[i] && e.cap>0 && ff[i]>0) { if(g.ggg[e.from][e.to].size()>0) for(int j=0;j<g.ggg[e.from][e.to].size();j++) mincut.push_back(g.ggg[e.from][e.to][j]/2+1); else mincut.push_back(i/2+1); } } } sort(mincut.begin(),mincut.end()); cout<<flow<<" "<<mincut.size()<<endl; for(int i=0;i<mincut.size();++i) cout<<mincut[i]<<endl; } int main () { test(); return 0; }
test data:
USACO Training Grader Results 7 users online CHN/2 TWN/1 USA/4 USER: cn tom [qq104801] TASK: milk6 LANG: C++ Compiling... Compile: OK Executing... Test 1: TEST OK [0.011 secs, 3708 KB] Test 2: TEST OK [0.008 secs, 3708 KB] Test 3: TEST OK [0.011 secs, 3708 KB] Test 4: TEST OK [0.011 secs, 3708 KB] Test 5: TEST OK [0.143 secs, 3708 KB] Test 6: TEST OK [0.027 secs, 3708 KB] Test 7: TEST OK [0.016 secs, 3708 KB] Test 8: TEST OK [0.030 secs, 3708 KB] Test 9: TEST OK [0.146 secs, 3708 KB] Test 10: TEST OK [0.756 secs, 3708 KB] Test 11: TEST OK [0.003 secs, 3708 KB] Test 12: TEST OK [0.008 secs, 3708 KB] All tests OK. Your program ('milk6') produced all correct answers! This is your submission #13 for this problem. Congratulations! Here are the test data inputs: ------- test 1 ---- 4 5 1 3 100 3 2 50 2 4 60 1 2 40 2 3 80 ------- test 2 ---- 8 9 1 2 2 1 3 1 3 4 1 2 4 2 4 5 3 5 6 1 5 7 2 7 8 2 6 8 1 ------- test 3 ---- 10 10 1 3 10 2 3 10 3 4 10 4 5 10 5 4 10 2 10 20 8 2 10 5 7 10 6 9 10 9 8 10 ------- test 4 ---- 10 40 1 10 72 1 10 590 1 10 554 1 10 436 1 10 817 1 10 695 1 10 122 1 10 650 1 10 510 1 10 266 1 10 803 1 10 882 1 10 572 1 10 998 1 10 783 1 10 799 1 10 933 1 10 793 1 10 422 1 10 354 1 10 585 1 10 527 1 10 199 1 10 425 1 10 343 1 10 108 1 10 891 1 10 492 1 10 287 1 10 667 1 10 654 1 10 359 1 10 256 1 10 208 1 10 794 1 10 73 1 10 902 1 10 916 1 10 723 1 10 412 ------- test 5 ---- 4 1000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 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2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 1 4 2000000 ------- test 6 ---- 10 200 5 10 3 3 10 5 2 5 1 4 10 1 3 8 1 3 8 1 2 10 1 4 6 1 4 6 1 2 5 3 3 5 1 4 10 1 5 10 1 1 7 2 4 6 1 4 10 1 2 10 1 5 10 3 3 6 1 3 10 1 3 5 1 1 10 2 3 10 4 1 10 1 2 9 1 2 7 1 4 10 2 4 10 1 5 6 1 2 7 1 5 6 1 3 6 1 5 10 1 1 9 3 5 7 2 5 9 1 3 4 1 5 10 1 4 10 1 4 10 1 2 8 1 1 3 1 4 6 1 2 5 4 4 7 1 5 8 1 3 10 1 4 10 3 4 6 2 4 10 1 2 4 3 5 8 1 4 5 1 1 5 1 3 4 5 4 10 4 3 8 3 1 3 1 4 10 1 4 10 1 3 10 1 5 10 1 3 8 3 1 7 2 1 10 3 2 10 3 5 7 1 1 5 1 4 10 1 3 10 1 1 2 3 5 10 4 5 9 1 5 10 4 2 8 3 4 10 1 1 10 1 5 10 4 5 10 4 4 5 1 2 5 2 4 6 4 5 10 2 3 10 1 4 5 3 5 10 2 5 10 4 5 10 2 2 6 1 5 7 1 5 9 3 1 2 2 1 10 1 3 8 1 2 4 1 4 5 1 1 10 5 2 10 1 3 5 4 1 2 1 5 10 1 5 10 1 1 2 1 1 7 2 1 10 1 5 10 2 3 10 5 4 5 1 3 8 4 4 10 4 1 7 3 4 10 1 3 9 2 1 9 1 2 10 3 4 10 2 1 3 1 2 10 1 2 7 3 3 6 1 5 8 2 5 6 1 1 7 4 2 10 3 5 6 1 2 9 1 2 9 1 5 10 1 4 7 2 5 10 2 4 10 1 1 9 1 5 10 4 3 4 1 3 10 1 3 5 1 1 6 4 5 10 3 3 5 3 4 5 5 1 9 1 4 10 1 2 10 1 4 7 1 3 10 2 3 7 1 1 6 1 2 6 4 3 10 1 5 10 1 1 7 1 1 4 2 5 10 1 2 5 2 5 10 1 2 5 5 5 9 1 5 10 4 2 4 1 5 6 3 4 7 1 5 10 4 1 4 1 1 8 1 1 7 1 1 10 1 2 10 3 1 8 1 1 2 4 1 2 5 3 10 4 3 9 1 4 10 3 3 10 1 4 10 3 3 4 1 3 8 1 5 10 1 1 8 1 2 9 1 3 4 2 1 7 1 5 7 1 1 9 2 5 9 5 2 10 1 4 8 1 4 7 5 3 7 1 2 8 1 5 7 1 2 4 3 2 3 2 5 7 1 2 3 2 4 9 3 5 7 4 4 10 1 5 10 1 5 10 1 ------- test 7 ---- 15 100 8 1 9367 7 4 6605 1 10 9853 12 10 2296 10 5 8313 3 5 750 11 11 3778 7 13 1345 4 10 8914 6 7 8348 3 14 8636 2 5 667 12 6 6992 11 3 3033 15 12 5838 12 14 9093 13 10 5804 4 2 4158 6 6 656 5 11 4744 2 13 3566 15 15 6590 1 11 142 11 7 1548 1 6 9054 10 3 8171 8 1 4526 2 4 5365 8 10 8738 9 14 5814 1 1 4349 7 15 3710 2 1 500 2 12 4574 4 12 8226 3 6 9768 15 14 9949 7 1 2548 15 9 8908 13 3 7944 7 4 8003 13 10 7719 4 11 7761 5 12 5118 11 1 2824 9 3 6717 8 3 5888 8 9 6140 12 9 1632 11 6 3019 7 12 5044 4 10 1273 1 14 8295 13 3 6252 5 13 6690 10 7 8664 5 15 345 13 7 6257 8 4 1764 10 14 5604 15 6 3590 7 10 71 9 11 8756 7 8 144 1 12 8809 11 7 2978 9 11 2417 9 9 7075 4 1 9499 7 10 8598 15 10 2315 5 1 8653 5 10 5331 4 1 109 4 1 8103 2 12 2140 6 5 8934 10 14 4372 6 3 4595 5 9 1234 3 8 7308 6 13 7860 4 3 4164 12 6 4515 12 9 5163 10 11 2798 13 2 6085 11 11 5366 3 1 6900 10 6 2448 11 8 7614 7 14 5988 4 3 7642 10 15 1328 2 11 7192 10 6 4041 14 3 4854 8 14 2046 1 1 2691 12 10 6288 ------- test 8 ---- 20 100 11 14 4810 15 19 2097 14 14 9431 3 9 4340 5 12 9446 1 12 207 10 14 839 7 8 5383 6 7 2457 16 17 792 7 8 7454 6 18 4606 2 19 1388 1 8 2420 10 20 4532 9 20 208 9 14 4966 1 11 8027 2 6 1139 1 6 9187 8 9 2602 3 7 5156 8 12 4592 9 15 8507 18 20 8333 7 9 8258 9 15 4860 5 19 5143 6 15 7969 12 18 8314 16 20 2630 1 2 5728 11 14 9703 1 8 3986 8 18 2916 14 16 5939 5 11 3262 3 20 5722 11 18 8703 7 15 4661 3 11 4387 9 11 5335 2 20 2110 2 19 6099 7 19 9723 13 13 7512 3 5 9673 3 12 1171 3 14 34 1 20 7400 3 10 2456 11 19 7803 9 10 8596 9 13 9425 6 16 8798 5 9 5047 13 20 6430 5 19 7806 2 7 4317 2 7 3933 17 17 4967 2 15 48 3 17 4906 14 16 9240 2 13 7038 6 11 1214 1 6 7706 5 14 9777 6 9 3147 8 18 6520 4 6 4554 5 16 1638 2 16 3104 6 16 1062 4 8 1611 18 19 4474 1 19 7161 12 16 9344 1 16 2195 2 19 5747 4 15 7399 4 20 9608 7 15 176 14 20 7698 4 16 1600 2 19 677 2 8 9978 2 18 5933 1 13 6345 5 14 5534 9 17 7430 12 13 7000 11 20 4291 11 13 4210 7 8 5995 6 10 6685 11 14 7492 11 16 6123 3 16 2355 1 16 9332 ------- test 9 ---- 25 400 7 9 687609 9 18 887081 8 17 413462 1 5 960664 19 21 1531689 15 23 875161 10 20 1790862 9 10 667264 14 20 164009 19 25 801667 20 25 1039367 7 11 729699 16 24 452572 20 25 1074297 10 17 1375788 5 10 797948 14 23 621814 12 15 657210 19 25 1821114 20 25 1101195 8 18 991781 19 22 1776585 6 7 1268669 10 11 799486 1 6 140728 15 23 963799 3 8 707674 9 19 1263169 16 25 1197960 14 23 1005100 5 8 810768 15 17 1302574 13 18 1367598 5 15 1419301 13 23 418347 15 23 1896425 4 13 728696 11 14 706021 4 5 495664 16 24 261633 6 16 805596 14 21 1166919 7 10 75301 1 7 1983313 15 17 1965253 19 25 1396908 18 19 1076225 6 13 1625017 13 21 1700494 18 24 1123769 20 25 996036 8 14 309076 20 25 839473 1 10 1855896 1 8 157831 20 25 1886005 14 19 4216 5 13 1220138 1 5 796940 18 20 1932579 9 11 1632156 19 25 706437 2 8 457998 11 17 254434 9 15 1515046 11 17 658180 10 12 1580263 10 15 1009988 2 7 1653376 10 14 6090 9 17 329763 6 14 1429991 13 22 473692 17 21 1536166 20 25 600726 15 19 1632625 2 10 28769 17 20 865383 8 12 1767485 4 12 435566 4 7 1993395 7 13 1437007 2 4 1075479 6 16 1748282 2 12 1311312 8 15 1922399 4 12 1467549 4 10 1950976 13 23 592819 11 12 190017 15 18 675149 15 22 1680369 9 16 1912114 20 25 1828382 18 19 1683606 11 16 992831 10 16 414236 5 13 1528085 4 9 1344364 10 20 1516448 12 19 50427 19 23 1276064 16 25 623349 15 24 565974 13 20 640105 10 12 1446467 20 25 617685 4 13 182527 19 20 1006376 13 19 856716 8 10 169112 8 9 936958 1 9 597261 7 12 225498 13 15 1569952 19 25 1941933 14 20 1263839 20 25 1003220 2 9 1111051 12 15 180151 20 25 400537 2 12 447357 11 12 979 17 21 973517 20 25 1193352 15 25 344089 15 21 1418558 7 13 830996 18 25 109486 9 11 598392 10 12 1814162 14 17 1807222 19 25 1853636 19 25 576752 9 16 542543 1 5 391114 4 5 1568933 18 23 693682 7 10 1947890 8 15 337931 14 16 720521 12 21 1264771 10 19 907638 8 16 246381 14 16 1506500 20 22 257946 3 7 442651 19 21 1324454 6 12 1906574 6 15 1300063 9 15 1685071 16 17 1462134 9 15 1078608 18 25 535472 20 25 806243 15 21 1084272 18 25 1713648 2 9 112929 16 25 1113109 15 17 823675 8 14 1843016 5 9 1985295 19 25 1057733 10 17 913965 15 22 130743 3 7 1250609 14 17 664677 11 15 1941880 12 14 1775899 4 13 114624 12 14 1295985 10 14 40503 10 14 1612949 1 9 920960 10 16 210917 11 18 989319 4 8 1514112 10 20 227947 10 16 455277 7 14 102675 9 12 470205 2 10 1242938 2 4 1883006 18 21 1469017 7 14 536443 9 12 1891526 19 23 618536 14 23 431121 17 21 1442209 1 8 764909 2 3 1222895 7 9 659183 19 22 1059069 18 19 1480283 13 18 836792 18 25 1259338 17 25 1998528 3 9 1719041 8 12 362756 2 6 1705571 10 15 1862109 2 10 128356 9 17 544814 19 25 724431 14 17 1588168 2 4 1346942 15 25 990069 15 17 31663 12 18 699669 16 22 1449364 13 14 383423 11 13 1972050 13 19 1458183 18 23 724828 5 7 1241001 1 4 1543145 15 25 1522785 5 13 1798456 5 8 801278 12 13 1973460 7 14 79910 10 13 343523 10 19 1423482 5 13 378854 12 22 689923 4 5 1193479 20 25 1148861 15 25 554596 13 15 1129724 1 9 1237002 1 2 581999 2 8 1026824 5 6 699833 19 22 145838 3 11 89271 10 20 118298 2 12 1579862 13 20 1464030 19 23 1802465 10 14 1294836 3 7 1390504 8 12 472894 19 25 514054 6 12 972167 7 14 572061 8 10 554736 9 12 463337 5 14 1820649 20 25 425127 18 21 1078048 11 15 1752872 4 12 529509 9 16 1751481 14 23 842270 4 7 180728 10 16 456778 15 16 863899 20 23 550951 18 21 72530 2 3 558358 13 19 1245439 11 19 715771 16 18 1996177 14 23 1786491 2 3 232550 4 10 1423625 8 11 1478013 17 20 1975577 2 4 380346 3 6 494784 9 18 1613727 1 5 1127679 8 10 1509534 8 16 1273345 6 15 1391278 9 10 435394 3 8 960428 18 21 1429717 17 21 1663910 1 6 88131 6 15 1780430 2 12 493677 13 17 757380 9 17 323021 1 11 32870 15 19 67653 20 25 884150 9 13 1346258 3 5 4929 20 23 932691 1 7 687902 19 25 516002 4 7 1132761 11 18 534356 15 22 507276 15 20 1284073 16 20 288370 4 13 998181 18 25 1389081 18 25 1841416 7 17 849969 14 23 28467 19 20 504588 11 17 1787866 16 19 1151645 1 11 1987202 14 22 729930 17 25 340258 7 16 247901 1 8 116769 19 20 34992 8 15 1783001 8 15 1854471 13 15 1006782 11 21 1562954 2 12 1555858 2 9 1053146 9 14 938967 13 21 559580 15 23 1919912 16 23 1952652 17 18 1345704 15 19 615069 13 23 893508 3 9 715375 19 25 587947 14 21 1795296 5 7 625793 14 22 77618 20 25 1539850 19 22 853906 19 20 869754 12 20 1615860 18 23 1596810 7 13 600471 14 19 1778486 20 22 1118057 18 23 1349113 4 5 811913 5 6 1754356 1 2 293211 9 19 463470 18 23 48133 14 18 901671 10 18 30866 16 21 998669 14 19 1360940 5 8 170823 18 23 367284 7 15 509904 4 12 518593 7 9 346003 12 13 1337838 12 20 109167 1 3 1553498 2 12 386203 11 18 1195231 5 14 1775876 7 15 753932 10 11 207014 16 19 1674974 1 7 11717 4 6 86996 18 25 1516670 19 25 1897551 14 22 1830107 18 22 1092826 10 16 803763 8 17 312032 15 19 429544 17 19 910656 14 16 48576 14 18 306775 15 18 1733385 10 12 1230076 9 18 827713 8 15 1524967 19 21 682775 7 13 471961 10 13 1259807 14 16 1556218 3 11 1879785 4 9 576511 7 10 984234 4 12 1212120 16 18 813667 5 11 175077 20 25 491582 7 15 1539055 11 13 71430 4 13 295719 20 25 1886896 18 20 856677 4 9 1292058 14 21 709708 6 10 1007177 14 20 14573 16 22 824722 1 10 241385 16 21 576594 ------- test 10 ---- 32 1000 19 28 1080726 26 30 842618 1 8 999670 7 10 1837788 7 16 498455 15 20 1058846 18 19 1011985 4 14 1569261 7 16 943581 5 11 1307214 9 12 965943 24 26 1750363 8 10 984350 22 26 1517863 19 26 1155481 26 28 117910 13 21 174876 27 32 38613 21 23 1661987 7 11 720075 25 32 1161832 11 16 1456553 7 15 1763422 21 27 527242 14 17 1738974 3 5 15702 4 11 1554682 7 14 1326322 7 12 1614040 3 10 250039 12 18 1522053 1 11 510807 21 23 58919 17 27 1166059 25 30 1670015 21 27 69239 21 28 1422579 15 24 742017 6 8 1596815 1 4 930553 4 11 50444 25 32 1922431 5 10 296876 6 7 158128 21 31 1024051 17 24 50123 18 23 1354256 10 20 1111325 20 23 1359942 15 18 1762093 27 31 1037853 1 4 349054 27 32 1152247 4 11 1210854 6 10 1052117 20 30 415009 20 27 1315233 12 22 1307469 27 32 1718040 18 21 160985 15 18 886341 2 5 1416162 7 9 261253 22 26 1480534 11 17 240063 26 29 209855 4 14 1459148 22 26 1410520 13 17 805988 9 19 1242366 11 17 1650207 23 29 79955 15 23 454040 19 25 1069339 12 22 83979 15 25 522011 18 19 433556 10 19 1172872 2 6 1851281 13 20 1828724 3 4 867295 25 32 4846 26 30 1590431 6 7 776294 20 25 773291 21 22 633536 1 8 772039 7 8 504032 23 24 1136984 21 27 388934 19 26 420867 3 9 119124 3 9 899865 25 32 1024345 8 13 1973096 19 22 1986180 27 30 1273454 11 16 1294063 18 22 1458526 6 7 572833 11 19 1879347 17 26 1028275 18 28 99573 4 13 1547279 17 19 440733 17 26 863912 17 25 1338829 7 9 299037 24 32 917408 17 18 1045223 25 29 511205 23 32 182649 10 17 64400 12 20 1746888 5 10 6407 11 12 1616247 23 30 1209944 14 23 1559536 18 26 1169055 4 8 1175484 18 21 1967757 25 27 1966740 27 32 1291557 1 10 842072 24 25 1642629 25 30 1666324 19 22 899337 9 17 615120 3 8 107736 19 25 835710 7 9 1371875 7 8 1595578 6 7 535091 24 25 289989 8 18 407550 3 12 1328505 26 32 1916767 11 20 1511163 19 29 410730 21 28 1532877 5 14 1922825 24 25 91780 18 22 222390 25 27 379054 2 7 308660 8 14 17612 26 32 1122158 25 32 832241 18 25 707395 24 28 1916675 17 23 1635564 16 21 1831819 18 19 472179 21 31 848201 26 27 1801955 3 7 976070 3 6 36869 18 20 1883690 2 11 1131651 12 19 1888488 11 14 989911 6 15 1807794 4 10 1937715 10 13 1914764 21 23 28931 19 22 687764 5 9 1219768 5 6 1541708 4 5 1164748 19 25 499618 18 27 1079192 4 5 826297 1 4 1832712 1 7 320826 26 30 669693 27 28 1187972 9 11 1893276 26 30 1907762 19 24 63669 8 10 1068392 15 24 838606 2 12 1009873 14 24 1414012 11 21 523202 16 26 1185642 25 32 1203288 14 17 1552207 12 14 269270 11 20 1238166 12 14 1590545 26 32 1214896 11 19 1101129 24 27 1057038 16 23 1020336 23 26 905787 12 13 742321 2 8 1217702 23 24 1551696 26 31 1286012 16 25 1585396 10 18 949468 27 29 457417 15 16 935542 2 9 216553 16 21 621275 1 11 819402 11 21 1998904 27 32 53057 21 29 889622 12 16 572269 6 14 169388 19 26 519586 25 28 632734 11 14 1922845 14 23 913119 22 31 789198 6 9 754369 6 9 360840 7 8 1877879 19 24 543652 27 32 1948703 2 6 1307928 9 12 1722456 17 24 249323 16 18 1908866 2 12 1606871 12 14 85658 23 27 562929 27 32 590380 26 29 1454022 6 9 739250 5 8 1395532 23 29 1880283 19 22 1129046 23 32 1358373 22 31 1189539 16 19 1441945 17 19 114494 25 27 1260242 6 7 1768812 26 29 212472 9 14 760609 27 30 1932808 26 32 361805 14 22 1970442 5 11 1671838 21 23 255191 14 22 474868 15 22 691710 5 14 783595 2 11 1294174 5 7 172149 15 17 725448 15 16 676525 19 25 274704 19 27 1428851 15 20 1745836 18 28 1311316 24 30 688221 7 15 466930 17 25 101466 8 18 331077 10 16 551294 20 21 642401 2 10 1733443 6 11 1182793 25 32 179988 22 28 166973 12 17 1258242 22 30 714037 1 5 303168 2 9 238107 7 17 1279462 14 21 1360042 23 31 841649 19 29 1694727 8 17 1591113 11 18 785997 13 14 1754247 3 12 1187572 13 22 1869567 17 27 1094406 20 22 1034237 10 17 414508 2 8 1911743 13 16 1800645 9 14 1510067 3 12 785841 14 18 939285 11 16 658618 27 32 410770 25 30 297207 13 15 649005 27 32 17457 5 11 1044965 4 5 1464971 1 5 460267 22 27 210840 5 15 883664 18 22 1736981 27 30 1484827 5 7 430369 9 16 811714 18 24 1908323 18 26 1080239 5 14 1169110 25 32 1869662 4 12 773010 7 16 665148 19 25 1300324 16 22 1866109 9 16 232070 15 16 1492611 26 32 681970 24 28 214655 12 18 2406 1 6 1845869 26 32 1255111 9 18 1015971 18 24 67735 9 10 1069020 7 11 430596 10 20 449669 3 12 1775244 13 21 424778 15 17 1443234 15 17 295584 13 14 1442093 3 8 1093600 17 18 133770 18 22 299582 5 12 1075865 11 21 892985 17 18 562655 14 20 1993199 20 21 264856 12 19 546734 16 18 708495 9 12 1523149 24 32 1655842 25 30 406900 3 10 1642430 17 18 1594502 2 9 1755728 10 12 808076 10 20 966200 13 17 232507 21 31 452865 3 6 882384 24 26 537035 19 20 1484553 25 27 793957 20 28 895843 14 22 239879 11 13 601308 22 27 404907 8 18 1093911 11 18 963902 17 25 1456973 2 9 1666723 9 13 1726922 2 5 1937150 13 23 1373272 25 30 928273 1 10 1164807 10 17 76072 15 24 1926925 3 6 1264099 16 25 796088 8 18 46041 4 7 669799 27 31 1074261 26 32 901857 18 26 1747088 3 11 1365683 19 20 565716 20 27 313386 19 26 841201 9 12 602025 20 26 478242 21 28 1006887 3 10 1672513 17 24 1269075 2 5 692417 26 30 182416 17 18 340380 25 32 1571215 2 8 968831 14 23 1497132 22 28 613088 1 5 1983425 15 19 1335061 10 11 605148 1 2 1166956 10 11 1948758 12 19 115360 17 23 1742834 11 18 758105 24 26 425271 17 26 1540421 26 32 149594 25 30 922589 17 26 933666 25 32 1084681 13 15 1122722 13 20 413471 14 17 1522644 11 18 763626 21 26 977617 27 29 766642 21 22 608942 23 32 1511404 8 14 1146541 21 26 783427 8 18 1114478 23 27 322110 2 12 746701 23 26 1959465 6 7 929235 19 20 1153140 2 10 1244269 11 17 1186046 4 13 313531 20 27 1231872 3 13 1108023 18 26 1890743 23 32 1695391 6 13 264801 5 14 357077 18 24 397490 6 12 1926459 23 32 1093579 12 14 821438 16 25 43702 6 16 1845049 21 27 1348201 19 23 966630 15 21 222978 19 27 1880870 24 28 917924 2 8 100780 1 6 38379 16 25 242125 27 32 1858559 27 32 1671106 25 29 794244 17 18 1550082 3 10 685321 6 9 159425 4 6 901628 16 19 65070 18 21 894019 18 26 574520 22 30 1420104 20 28 662640 15 22 1410153 26 29 1553386 20 24 787728 2 8 1377981 4 11 1681221 16 19 94938 17 27 545590 2 8 126756 10 14 1659874 2 3 1188645 11 17 558118 3 9 1116493 24 27 1830400 8 12 922816 26 31 274610 22 23 803705 23 30 610882 4 12 1734517 6 7 416737 1 3 516098 17 23 1703707 25 32 773807 13 19 1276479 10 19 1897043 23 31 794923 26 32 871747 10 15 192585 19 25 1651456 15 23 1822879 21 29 126957 1 5 1226332 24 27 531155 7 14 1594812 24 25 1205030 23 32 739791 7 16 1880314 18 21 721537 21 30 1809050 16 21 1269609 14 16 763087 16 18 1478128 5 6 1972850 12 15 1363747 7 9 1481216 23 32 1248074 6 8 938929 4 13 1357486 14 21 1114627 12 14 1944868 2 9 264945 12 15 590956 5 10 626609 5 14 1145709 23 24 1424735 16 26 1360729 6 8 1748614 19 22 1460135 10 18 687879 25 28 1083300 24 27 469276 1 8 972764 9 18 1820094 17 18 1542422 6 15 1734559 25 30 1601535 16 23 1883140 13 16 459686 6 13 52712 15 21 471265 3 8 984956 9 14 356870 22 30 65133 20 24 82598 13 19 1773008 10 15 617580 4 5 1864388 3 9 452359 9 17 1738979 10 13 838876 16 20 1696915 2 9 578043 7 12 73215 8 10 809039 9 16 1931224 6 16 864503 15 16 969606 13 15 1995145 19 25 1401256 15 24 1875817 27 32 502127 23 28 1749463 3 11 590588 4 5 845595 15 19 56906 14 20 1959081 26 27 153654 12 18 523764 12 15 1529096 4 12 1222363 2 10 74828 9 15 1071448 6 13 569090 14 22 632889 25 29 1345442 26 32 479755 25 32 653408 27 30 1730789 7 14 164255 1 9 1692786 18 27 1155256 19 21 248580 6 10 1550801 14 23 1135134 22 30 1810617 13 20 1508473 20 26 1093204 2 8 1534416 25 32 827254 27 32 372973 23 28 47391 12 14 352632 15 19 1038160 9 18 694563 24 31 167435 22 24 1513682 15 24 692384 3 12 1857196 24 32 1531880 8 16 1245533 13 20 220516 13 14 531659 18 24 1250407 5 15 945851 15 23 250880 17 23 510936 10 12 205772 20 23 1988796 18 19 1590796 11 15 1176026 1 9 437272 4 7 529789 11 21 1702157 1 2 1505175 14 21 1073978 17 20 219183 24 30 449261 27 31 857417 27 32 978064 21 25 1638457 10 14 1211568 16 22 1744788 23 32 1590748 19 29 1787608 13 18 1029930 27 28 1485150 3 13 666948 9 19 1267708 21 31 1144627 7 14 1829582 2 3 568108 18 25 1580718 15 20 1399073 9 11 1273577 7 14 150082 20 27 279467 14 22 172669 23 24 35458 13 21 1856630 1 2 1226979 26 27 1322532 6 14 580561 1 4 1530855 20 27 1875569 10 19 1119878 12 18 337760 16 17 1748397 18 27 1801050 19 23 1353136 17 21 1382718 6 9 1528252 24 30 1001306 5 11 1546667 25 28 755084 24 30 414164 12 22 1553837 16 22 1659251 13 16 1397356 10 19 35858 2 7 719383 20 27 1277515 14 20 278359 27 32 1302634 21 28 1749412 5 10 892269 10 20 881285 4 10 1995929 27 32 408868 18 22 155559 19 23 1092633 2 4 447067 19 26 1541393 23 30 956172 13 17 222259 10 16 1215221 22 32 1054937 7 8 79165 7 8 36302 12 19 727398 14 18 1505589 2 6 1753592 8 9 999659 2 11 245095 15 19 1036567 18 25 129160 7 12 1937036 21 29 14033 23 32 19401 23 27 1350495 6 15 43172 26 32 816816 23 26 948940 9 12 717905 13 22 1426342 27 32 823665 1 9 1802142 1 6 1243055 1 4 1142335 1 3 1908848 19 23 1698153 20 23 1602883 4 6 70102 17 22 641204 26 32 272361 19 28 1185831 3 12 596835 27 32 1560308 17 26 155416 5 15 418459 4 11 1076834 27 31 1636130 22 27 1849938 23 24 717916 4 14 485158 8 15 188230 24 32 1956294 5 13 1726383 26 30 1512532 1 7 1334140 7 14 541701 21 28 1178387 16 20 61013 14 17 138518 24 28 128807 4 11 1458222 6 11 950428 6 13 407565 2 8 1072688 22 29 88133 13 22 1362747 21 28 594684 9 11 1386824 10 18 1809271 12 18 503226 14 21 1741052 7 17 708577 19 20 2637 25 27 1183538 12 22 406697 14 19 90570 5 7 1311993 13 18 1707095 5 14 1125814 2 5 286065 9 17 1673005 5 6 1474864 15 23 1647936 15 22 1918602 4 5 1799396 10 16 624456 11 19 935482 1 3 1910861 25 29 1611606 13 17 176232 17 24 1733549 12 21 1741777 5 10 1151343 27 32 369812 26 27 469870 24 29 1539652 5 14 941903 18 27 1271306 16 24 1914686 11 13 681312 13 21 74411 10 13 1835034 6 10 671757 22 26 587217 27 31 764951 6 8 1611656 27 31 1217902 13 23 895680 3 9 352087 2 12 712936 11 16 264292 12 20 679159 10 11 1432402 19 27 171955 27 32 816420 10 20 1165193 5 15 1842729 21 26 1784510 6 12 901396 11 17 804993 21 31 1671532 24 28 1234562 7 15 1235859 26 31 826765 1 5 377092 12 20 356709 1 10 305268 26 32 1164671 23 32 206225 8 11 1344614 19 20 1261150 14 24 30245 4 6 1486930 21 22 302963 5 7 1065559 10 16 539670 15 21 336949 19 24 1675300 8 12 1450401 11 17 14339 2 5 80050 19 27 1911825 19 29 188825 12 19 343449 16 25 547653 4 7 1617855 11 19 719249 16 21 1694563 11 18 328307 4 5 1521876 4 6 80263 5 13 1675000 4 9 1540647 6 16 913063 11 16 619012 18 25 1035586 13 23 519493 23 29 1375999 19 29 769776 23 24 907048 17 19 1132427 18 22 707065 13 18 1661204 7 14 1481776 20 21 471742 1 9 1696661 15 18 1696203 22 23 807316 14 22 705299 24 30 840554 9 11 1227418 24 32 1945939 7 10 907944 2 8 302255 22 25 472321 2 5 1965795 25 32 400530 21 27 495776 4 5 1946096 14 24 1079797 25 28 1418753 15 17 1043227 14 18 1628219 26 31 714374 4 7 1214756 10 14 1748376 9 12 1350820 15 25 541580 22 24 696656 21 28 585823 8 14 1116129 1 2 1420001 15 21 204502 10 16 1130837 19 26 1680782 9 19 326077 5 9 763383 24 32 688902 4 11 909949 13 17 131824 21 28 1195080 9 16 1327134 1 4 473926 4 10 1543398 19 22 837805 15 21 829468 19 27 1484181 3 9 1202473 12 19 480120 24 26 1263218 26 32 631564 15 18 3909 6 9 423480 13 18 1518495 6 8 3328 18 25 1092735 2 6 535091 22 27 1681214 11 20 1072686 18 26 1406161 8 16 1267462 16 19 1772719 16 21 341930 22 32 1179598 16 18 1416559 16 24 733594 3 12 1456778 11 18 349495 6 7 100645 21 28 1620177 13 23 1039914 3 9 1554937 27 28 492379 4 13 326166 20 25 599695 12 13 150771 22 24 1808863 15 20 1058149 20 28 1101104 21 26 417846 16 26 271592 3 13 1293908 24 32 1488701 4 6 1279452 8 17 184655 16 19 207639 18 19 441137 16 23 1420241 3 7 826163 18 20 1731589 23 30 1542680 27 32 1526896 18 25 1456957 11 19 1674792 1 2 1359997 3 10 1929133 6 9 115790 12 21 1376748 4 14 61501 15 21 270693 12 16 1624499 6 10 1162834 26 27 440634 19 23 1950278 15 20 17930 6 12 1243285 5 13 1777113 7 9 1428277 25 28 1254924 26 32 358160 3 6 1155828 25 30 1919522 13 18 1943147 19 20 715406 18 25 1515748 19 28 528829 9 19 1962286 6 8 257257 25 27 833981 15 16 518621 20 22 1042766 8 9 1949096 7 12 764506 6 8 945953 16 25 168228 9 15 1791327 17 26 1744384 16 17 143187 20 30 364485 4 9 469778 11 13 729759 25 30 768926 24 31 1750113 8 17 113955 20 25 1810727 23 31 858360 20 24 500138 16 26 513175 18 25 325745 23 31 1192774 2 4 1472420 12 13 320511 23 32 1656570 19 22 1423742 21 31 337433 18 26 1913391 3 8 680444 10 11 600878 17 25 1931950 21 27 1507640 10 17 1846567 3 4 1991499 7 16 1891530 3 9 311165 22 26 196358 26 32 1715334 25 26 659421 7 12 773002 16 17 199265 15 23 1302694 8 10 553066 6 9 680141 6 11 452843 4 10 1621287 9 13 299426 11 15 297987 7 10 475328 16 21 1331589 27 28 1379942 2 8 946133 20 29 1222934 27 28 1682765 10 13 646137 16 20 1769620 11 18 476953 15 16 1105571 19 23 1568863 25 32 547273 16 25 641678 8 18 1784029 20 27 1481964 10 17 1582049 6 7 75785 14 20 854700 11 21 229959 18 23 397919 6 8 1073914 27 28 917363 7 14 701270 16 26 624898 13 20 1990941 6 7 1352463 ------- test 11 ---- 5 4 1 4 100 3 2 10 4 3 10 2 5 100 ------- test 12 ---- 5 4 1 4 100 4 3 10 3 2 10 2 5 100 Keep up the good work! Thanks for your submission!
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看书看原版，原汁原味。
不会英文？没关系，硬着头皮看下去慢慢熟练，才会有真正收获。
没有原书，也要网上找PDF来看。
网上的原版资料多了去了，下载东西也到原始下载点去看看。
你会知其所以然，呵呵。
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