hdu 2088 Box of Bricks（water~）

#include <iostream>#include <cstring>#include <cstdio>using namespace std;const int N = 55;int n;int a[N];int main() {    int ca = 0;    while(~scanf("%d", &n), n) {        int i, sum = 0;        for(i = 0; i < n; i++) {            scanf("%d", a+i);            sum += a[i];        }        int avg = sum / n;        int ans = 0;        for(i = 0; i < n; i++) {            if(a[i] - avg > 0) {                ans += (a[i] - avg);            }        }        if(ca) printf("\n");        ca++;        printf("%d\n", ans);    }    system("pause");    return 0;}