Submission #1166630

#	Time	Username	Problem	Language	Result	Execution time	Memory
1166630		hamzabc	Infinite Race (EGOI24_infiniterace2)	C++20	100 / 100	13 ms	1096 KiB

Main

#include <bits/stdc++.h>

using namespace std;
 
 
#define all(x) x.begin(), x.end()
#define mod 1000000007
#define sp << " " <<
#define endl << '\n'


int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    int N, Q;
    cin >> N >> Q;
    vector<int> part2(N);
    int ret = 0;
    int s = 1;
    for (int i = 0; i < Q; i++){
        long long int K;
        cin >> K;
        if (K < 0){
            part2[-K] = 0;
        }else{
            if (part2[K] == s){
                ret++;
                s++;
                part2[K] = s;
            }else
                part2[K] = s;
        }
    }
    cout << ret;
}

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