hdu 5463 Clarke and minecraft(水)

题目链接：hdu 5463 Clarke and minecraft

代码

#include <cstdio>
#include <cstring>
#include <algorithm>

using namespace std;

const int maxn = 505;

int solve (int n, int m) {
    return n / m + (n % m ? 1 : 0);
}

int N, C[maxn];

int main () {
    int cas;
    scanf("%d", &cas);
    while (cas--) {
        int a, b, m = 0;
        scanf("%d", &N);
        memset(C, 0, sizeof(C));
        for (int i = 0; i < N; i++) {
            scanf("%d%d", &a, &b);
            C[a] += b;
        }
        for (int i = 0; i <= 500; i++)
            m += solve(C[i], 64);

        printf("%d\n", solve(m, 36));
    }
    return 0;
}