제출 #1129428

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1129428		Matbubble	Infinite Race (EGOI24_infiniterace2)	C++20	29 / 100	170 ms	25312 KiB

Main

#include <iostream>
#include <iomanip>
#include <string>
#include <math.h>
#include <algorithm>
#include <cstring>
#include <numeric>
#include <vector>
#include <bitset>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <unordered_map>
#include <unordered_set>

using namespace std;
#define dbg(x) cerr<<#x<<": "<<x<<"\n";

/*  
Seventh Heaven
INOHA
*/

void solve(){
    long long n, q; cin>>n>>q;
    map<long long, long long>ans;
    map<long long, bool>freq;
    long long aux=0;
    for(long long i=0 ; i<q ; i++){
        long long curr; cin>>curr;
        if(curr<0){
            curr=-curr;
            freq[curr]=0;
        }else{
            if(freq[curr]==1) ans[curr]++;
            aux=max(aux, ans[curr]);
            freq[curr]=1;
        }
    }
    
    cout<<aux<<"\n";
}

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    solve();
    return 0;
}

• Subtask 1: 29 / 29
• Subtask 2: 0 / 34
• Subtask 3: 0 / 22
• Subtask 4: 0 / 15