删除元素 C++

注意读题，多组测试

#include <iostream>
#include <cmath>
#include <algorithm>
#include <vector>

using namespace std;

long long a[25];

int main(){
    int n, m, flag;
    while(cin >> n){
        flag = 1;
        for(int i = 0; i < n; ++i){
            cin >> a[i];
        }
        cin >> m;
        for(int i = 0; i < n; ++i){
            if(flag && a[i] == m) flag = 0;
            else cout << a[i] << ' ';
        }
        cout << endl;
    }
    return 0;
}