#include <bits/stdc++.h>
using namespace std;
long long n, k, a[1000005];
int main(){
    scanf("%lld %lld", &n, &k);
    for(int i = 0;i<=n - 1;i++){
        scanf("%lld", &a[i]);
    }
    long long l = 0, r = 1000000000, best = -1;
    while(l<=r){
        long long m = (l + r) / 2, g = 0;
        for(int i = 0;i<=n - 1;i++){
            g = g + a[i] / m;
        }
        if(g>=k){
            best = m;
            l = m + 1;
        }else{
            r = m - 1;
        }
    }
    if(best==0||best==-1){
        printf("-1");
    }else{
        printf("%lld", best);
    }
    return 0;
}

详情

报错信息：

Runtime Error. Received signal 8: Floating-point exception.

自己查了一下翻译，长这样：

运行时错误。 接收信号8：浮点异常。

有大佬能帮忙看一下吗？