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

using namespace std;

void EraseZeros(vector<int>& v) {
    int p = 0;
    for (int i = 0; i < v.size(); ++i) {
        if (v[i] != 0) {
            v[p] = v[i];
            p++;
        }
    }
    v.resize(p);
}

int main() {
    vector<int> v = {
            1, 4, 0, 1, 4, 0, 0, 777, 0, 0, 4
    };
    v.erase(remove(v.begin(), v.end(), 0), v.end());
    //EraseZeros(v);
    for (int i = 0; i < v.size(); ++i) {
        cout << v[i] << " ";
    }
    return 0;
}