【SPOJ-WACHOVIA】Wachovia Bank【01背包】

裸的。

#include <cstdio>#include <algorithm>using namespace std;const int maxn = 55, maxm = 1005;int n, m, dp[maxm], c[maxn], w[maxn];inline int iread() {int f = 1, x = 0; char ch = getchar();for(; ch < '0' || ch > '9'; ch = getchar()) f = ch == '-' ? -1 : 1;for(; ch >= '0' && ch <= '9'; ch = getchar()) x = x * 10 + ch - '0';return f * x;}int main() {int T = iread();while(T--) {for(int i = 0; i < maxm; i++) dp[i] = 0;for(int i = 0; i < maxn; i++) c[i] = w[i] = 0;m = iread(); n = iread();for(int i = 1; i <= n; i++) c[i] = iread(), w[i] = iread();dp[0] = 0;for(int i = 1; i <= n; i++) for(int j = m; j >= c[i]; j--) dp[j] = max(dp[j], dp[j - c[i]] + w[i]);printf("Hey stupid robber, you can get %d.\n", dp[m]);}return 0;}