为什么此代码意外触发SIGTSTP

Question

我遇到了运行时错误SIGSTOP，请快速告诉我如何删除它

我遇到了运行时错误SIGSTOP，请快速告诉我如何删除它

我一直遇到运行时错误SIGSTOP，请快速告诉我如何删除它 我遇到了运行时错误SIGSTOP，请快速告诉我如何删除它 我遇到了运行时错误SIGSTOP，请快速告诉我如何删除它

#include <iostream>
#include <bits/stdc++.h> 
#include <cmath>
using namespace std;
void find(int a[], int n, float mean)
{
    int small, i = 0, sum, t = 0, count;

    float m;

    int b[n];
    for (i = 0; i<n; i++)
    {
        sum = 0;
        count = 0;
        for (int l = 0; l<n; l++)
        {

            if (l == i)
                continue;

            sum += a[l];
            count = count + 1;

        }

        m = float(sum) / (count);
        if (m == mean)
        {
            b[t] = a[i]; t = t + 1;
        }

    }
    if (t>0)
    {
        small = b[0];
        for (int l = 0; l<t; l++)
        {
            if (small>b[l])
                small = b[l];
        }
        cout << small << endl;
    }
    else
        cout << "Impossible" << endl;
}
int main()
{
    int n;
    int t;
    float mean;
    cin >> t;
    while (t>0)
    {

        cin >> n;
        int a[n];
        int sum = 0;

        for (int i = 0; i<n; i++)
        {
            cin >> a[i];
            sum += a[i];

        }
        mean = float(sum) / (n);
        find(a, n, mean);
        t = t - 1;
    }
    return 0;
}