宿舍买饭随机数概率生成器

#include<stdio.h>
#include<stdlib.h>
#include<math.h>
#include<iostream>
using namespace std;
int main()
{
  int n;
  cout << "请输入执行次数：" << endl;
  cin >> n;
  int a[6] = { 0 };
  for (int i = 0; i < n; i++)
  {
    // a[rand() % 6]++;
    for (int j = 0; j < 6; j++)
    {
      if (rand() % 6  == j )
      {
        a[j]++;
      }
    }
  }
  for (int j = 0; j < 6; j++)
  {
    printf("%d号的概率为：%lf\%\n", j+1, a[j] * 1.0 / n);
  }
  //for (int i = 0; i < 2; i++)
  //{
  //  cout << rand() % 6+1<<endl ;
  //}
  return 0;
}