Uva 674 Coin Change 完全背包

題目連結：here

題意：5種硬幣，輸出組合數

代碼：

#include <iostream>#include <cstdio>#include <cstring>using namespace std;const int maxn = 7500;int coin[5] = {1,5,10,25,50};int dp[maxn];int m;int main(){int i, j;memset(dp, 0, sizeof(dp));dp[0] = 1;for (i=0; i<5; i++){for (j=coin[i]; j <= 7500; j++){if (j >= coin[i])dp[j] += dp[j-coin[i]];}}while (scanf("%d", &m) != EOF){printf("%d\n", dp[m]);}return 0;}