摘要：1 #include<bits/stdc++.h> 2 #define ll long long 3 using namespace std; 4 ll n,ans; 5 int main() 6 { 7 freopen("star.in","r",stdin); 8 freopen("star.o 阅读全文

摘要：1 #include<bits/stdc++.h> 2 #define ll long long 3 using namespace std; 4 inline ll re_ad() { 5 char ch=getchar(); ll x=0,f=1; 6 while(ch<'0' || ch>'9 阅读全文

摘要：1 #include<bits/stdc++.h> 2 #define ll long long 3 using namespace std; 4 const ll N=1e6+11; 5 ll n,m,fa[N],l[N],r[N],seg[N],zh; 6 bool vis[N]; 7 8 in 阅读全文

摘要：1 #include<bits/stdc++.h> 2 #define ll long long 3 using namespace std; 4 const ll db[11][11]={ 5 {0}, 6 {0,0}, 7 {0,-1,1}, 8 {0,-1,-2,8}, 9 {0,2,3,4, 阅读全文