Problem p02602 (C++)

Buggy submission (status: Runtime Error):
/*
    Author:zeke

    pass System Test!
    GET AC!!
*/
#include <algorithm>
#include <bitset>
#include <cassert>
#include <cmath>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <utility>
#include <vector>
using ll = long long;
using ld = long double;
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define all(x) (x).begin(), (x).end()
#define rep3(var, min, max) for (ll(var) = (min); (var) < (max); ++(var))
#define repi3(var, min, max) for (ll(var) = (max)-1; (var) + 1 > (min); --(var))
#define Mp(a, b) make_pair((a), (b))
#define F first
#define S second
#define Icin(s)                                                                \
  ll(s);                                                                       \
  cin >> (s);
#define Scin(s)                                                                \
  ll(s);                                                                       \
  cin >> (s);
template <class T> bool chmax(T &a, const T &b) {
  if (a < b) {
    a = b;
    return 1;
  }
  return 0;
}
template <class T> bool chmin(T &a, const T &b) {
  if (b < a) {
    a = b;
    return 1;
  }
  return 0;
}
typedef pair<ll, ll> P;
typedef vector<ll> V;
typedef vector<V> VV;
typedef vector<P> VP;
ll mod = 1e9 + 7;
ll MOD = 1e9 + 7;
ll INF = 1e18;
// cout << "Case #" << index << " :IMPOSSIBLE";
int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << fixed << setprecision(10);
  ll n, k;
  cin >> n >> k;
  queue<ll> q;
  rep(i, k) {
    ll x;
    cin >> x;
    q.push(x);
  }
  rep3(i, k, n) {
    ll x;
    cin >> x;
    ll y = q.front();
    q.pop();
    if (x > y) {
      cout << "Yes" << endl;
    } else {
      cout << "No" << endl;
    }
  }
}


Fixed submission:
/*
    Author:zeke

    pass System Test!
    GET AC!!
*/
#include <algorithm>
#include <bitset>
#include <cassert>
#include <cmath>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <utility>
#include <vector>
using ll = long long;
using ld = long double;
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define all(x) (x).begin(), (x).end()
#define rep3(var, min, max) for (ll(var) = (min); (var) < (max); ++(var))
#define repi3(var, min, max) for (ll(var) = (max)-1; (var) + 1 > (min); --(var))
#define Mp(a, b) make_pair((a), (b))
#define F first
#define S second
#define Icin(s)                                                                \
  ll(s);                                                                       \
  cin >> (s);
#define Scin(s)                                                                \
  ll(s);                                                                       \
  cin >> (s);
template <class T> bool chmax(T &a, const T &b) {
  if (a < b) {
    a = b;
    return 1;
  }
  return 0;
}
template <class T> bool chmin(T &a, const T &b) {
  if (b < a) {
    a = b;
    return 1;
  }
  return 0;
}
typedef pair<ll, ll> P;
typedef vector<ll> V;
typedef vector<V> VV;
typedef vector<P> VP;
ll mod = 1e9 + 7;
ll MOD = 1e9 + 7;
ll INF = 1e18;
// cout << "Case #" << index << " :IMPOSSIBLE";
int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout << fixed << setprecision(10);
  ll n, k;
  cin >> n >> k;
  queue<ll> q;
  rep(i, k) {
    ll x;
    cin >> x;
    q.push(x);
  }
  rep3(i, k, n) {
    ll x;
    cin >> x;
    ll y = q.front();
    q.pop();
    q.push(x);
    if (x > y) {
      cout << "Yes" << endl;
    } else {
      cout << "No" << endl;
    }
  }
}