蓝桥杯 1479: [蓝桥杯][算法提高VIP]删除数组中的0元素 Easy only once

#include<iostream>
#include<stdlib.h>
#include<stdio.h>
#include<vector> 
#include<string>
#include<math.h>
#include<algorithm>
#include<cstring>
using namespace std;



int main(){
    vector<int>vec;
    int n,m;
    cin >> n;
    for (int i = 0; i < n; i++) {
        cin >> m;
        if (m != 0)
            vec.push_back(m);
    }
    for (int i = 0; i < vec.size(); i++) {
        if (i == 0)
            cout << vec[i];
        else
            cout << " " << vec[i];
    }
    cout << endl << vec.size();
    return 0;
}