题解

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n ,sum = 0 , max = 0;
    cin >> n;
    int lst[n + 1] = {};
    for (int i = 1 ; i <= n ; i++){  //输入列表并找出最大值
        cin >> lst[i];
        if (lst[i] > max)
            max = lst[i];
    }
    for (int i = 0 ; i <= max ; i++){  //从0到最大值的遍历
        sum = 0;
        for (int j = 1 ; j <= n ; j++)  //列表的遍历
            if (lst[j] == i)
                sum += 1;
        cout << sum << "\n";
    }
    return 0;
}