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AcWing 913. 排队打水

作者:互联网

#include <iostream>
#include <algorithm>
using namespace std;
typedef long long LL;
const int N = 100010;
int n;
int t[N];
int main()
{
    scanf("%d", &n);
    for (int i = 0; i < n; i ++ ) scanf("%d", &t[i]);
    sort(t, t + n);
    reverse(t, t + n);
    LL res = 0;
    for (int i = 0; i < n; i ++ ) res += t[i] * i;
    printf("%lld\n", res);
    return 0;
}

 

 

标签:int,res,LL,排队,long,++,include,913,AcWing
来源: https://www.cnblogs.com/QingyuYYYYY/p/11914370.html