badproger12years

string str1 = "12345678";
int b = str1[1] - '0';
cout<<b; // 2

#include <iostream>
#include <vector>
using namespace std;


int main() {
    int n;
    cin >> n;
    vector<int> v(n);
    for (auto& it : v)
        cin >> it;
    for(auto& i:v)
    {
        cout<<i;
    }
}