随笔分类 - 动态规划-常见优化
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
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摘要:1 #include<bits/stdc++.h> 2 using namespace std; 3 const int N=2e5+11,M=4e5+11; 4 int n,ans,siz[N]; 5 int to[M],nxt[M],id[M],edge,head[N]; 6 7 inline
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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
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摘要:1 #include<bits/stdc++.h> 2 using namespace std; 3 const int N=1e3+11,St=1e3,mod=1e4; 4 int dp[N][N],sum[N][N]; 5 6 inline int re_ad() { 7 char ch=get
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