제출 #1166613

#제출 시각아이디문제언어결과실행 시간메모리
1166613hamzabcInfinite Race (EGOI24_infiniterace2)C++20
0 / 100
9 ms1096 KiB
#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> part(N);
    int ret = 1;
    for (int i = 0; i < Q; i++){
        long long int K;
        cin >> K;
        if (K < 0){
            part[-K] = max(0, part[-K] - 1);
        }else{
            part[K]++;
            ret = max(ret, part[K]);
        }
    }
    cout << ret - 1;
}
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