Submission #1070330

#	Time	Username	Problem	Language	Result	Execution time	Memory
1070330		raduv	Infinite Race (EGOI24_infiniterace2)	C++14	100 / 100	97 ms	10952 KiB

Main

#include <bits/stdc++.h>

using namespace std;
set <int> s;
int main()
{
    int n, q, i, x, ans = 0;
    cin >> n >> q;
    while(q--){
      cin >> x;
      if(x < 0){
        s.erase(-x);
      }
      else{
        if(s.find(x) != s.end()){
          ans++;
          s.clear();
        }
        s.insert(x);
      }
    }
    cout << ans << "\n";
    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:7:15: warning: unused variable 'i' [-Wunused-variable]
    7 |     int n, q, i, x, ans = 0;
      |               ^

• Subtask 1: 29 / 29
• Subtask 2: 34 / 34
• Subtask 3: 22 / 22
• Subtask 4: 15 / 15