Submission #1627084

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Source Code Expand

#include "bits/stdc++.h"
using namespace std;

#define OUT(x)  cerr << #x << " = " << x << endl;
#define all(x)  x.begin(), x.end()
#define mp      make_pair
#define pii     pair<int, int>
#define pll     pair<long long, long long>
#define ll      long long

int main() {
        string s;
        cin >> s;
        for (int i = 0; i < s.size(); i ++) if (i % 2 == 0) cout << s[i];
        cout << endl;
        return 0;
}

Submission Info

Judge Result