bjfu1332 简单动规

挺简单的动态规划题。我用记忆化搜索打的。直接上代码：

/*
 * Author    : ben
 */
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <ctime>
#include <iostream>
#include <algorithm>
#include <queue>
#include <set>
#include <map>
#include <stack>
#include <string>
#include <vector>
#include <deque>
#include <list>
#include <functional>
#include <numeric>
#include <cctype>
using namespace std;
typedef long long LL;
const int card[53] = {0, 1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,6,6,6,6,7,7,7,7,8,8,8,8,9,9,9,9,10,10,10,10,11,11,11,11,12,12,12,12,13,13,13,13};
int ans[53][60];
int dfs(int m, int n) {
    if (n == 0) {
        return 1;
    }
    if (m == 0) {
        return 0;
    }
    if (ans[m][n] > -1) {
        return ans[m][n];
    }
    if (card[m] > n) {
        ans[m][n] = dfs(m - 1, n);
    } else {
        ans[m][n] = dfs(m - 1, n - card[m]) + dfs(m - 1, n);
    }
    return ans[m][n];
}

int main() {
    int T, n;
    scanf("%d", &T);
    memset(ans, -1, sizeof(ans));
    while (T--) {
        scanf("%d", &n);
        printf("%d
", dfs(52, n));
    }
    return 0;
}