http://acm.hdu.edu.cn/showproblem.php?pid=5410
/* 先01背包一下再完全背包一下 */ /************************************************ * Author :Powatr * Created Time :2015-8-20 19:46:35 * File Name :1005_1.cpp ************************************************/ #include <cstdio> #include <algorithm> #include <iostream> #include <sstream> #include <cstring> #include <cmath> #include <string> #include <vector> #include <queue> #include <deque> #include <stack> #include <list> #include <map> #include <set> #include <bitset> #include <cstdlib> #include <ctime> using namespace std; #define lson l, mid, rt << 1 #define rson mid + 1, r, rt << 1 | 1 typedef long long ll; const int MAXN = 1e5 + 10; const int INF = 0x3f3f3f3f; const int MOD = 1e9 + 7; int a[MAXN], b[MAXN], c[MAXN]; int dp[MAXN]; int main(){ int T; int n, m; scanf("%d", &T); while(T--){ scanf("%d%d", &m, &n); memset(dp, 0, sizeof(dp)); for(int i = 1; i <= n; i++) scanf("%d%d%d", &a[i], &b[i], &c[i]); for(int i = 1; i <= n; i++){ for(int j = m; j >= a[i]; j--) dp[j] = max(dp[j], dp[j-a[i]] + b[i] + c[i]); for(int j = a[i]; j <= m; j++) dp[j] = max(dp[j], dp[j-a[i]] + b[i]); } printf("%d ", dp[m]); } return 0; }