Submission #65016038

---

Source Code Expand

/**
 *  author  : mahad | github.com/MahadMuhammad
 *  created : Apr-19-2025   05:03:20 PM  CP/atcoder/abc402/B/B.cpp
 **/
#include <bits/stdc++.h>

#include <deque>
using namespace std;

#ifdef MAHAD_DEBUG
#include "algo/debug.h"
#else
#define dbg(...) ((void)0)
#define welcome(...) ((void)0)
#endif

int main() {
  ios::sync_with_stdio(false);
#ifndef MAHAD_DEBUG
  cin.tie(nullptr);
#endif

  int Q, op, X;
  cin >> Q;
  // deque<int> q;
  vector<int> q;
  int pointer = 0;

  for (int qq = 0; qq < Q; qq++) {
    cin >> op;
    switch (op) {
      case 1:
        cin >> X;
        q.emplace_back(X);
        break;
      case 2:
        cout << q[pointer] << '\n';
        pointer += 1;
        break;
    }
  }
  return 0;
}

Submission Info

Judge Result