吉哥系列故事——臨時工計劃

http://acm.hdu.edu.cn/showproblem.php?pid=4502

#include<iostream>#include<stdio.h>#include<algorithm>#include<vector>using namespace std;int main(){int i,j,s,n,e,m,dp[1010],var;vector<int> c[1010];vector<int> w[1010];int T;scanf("%d",&T);while(T--){scanf("%d%d",&m,&n);for(i=0;i<=m;i++){dp[i]=0;c[i].clear();w[i].clear();}for(i=0;i<n;i++){scanf("%d%d%d",&s,&e,&var);if(e>m) continue;c[e].push_back(s);w[e].push_back(var);}for(i=1;i<=m;i++){dp[i]=dp[i-1];int k=c[i].size();for(j=0;j<k;j++)dp[i]=max(dp[i],dp[c[i][j]-1]+w[i][j]);}printf("%d\n",dp[m]);}}