Submission #1129423

#	Time	Username	Problem	Language	Result	Execution time	Memory
1129423		Matbubble	Infinite Race (EGOI24_infiniterace2)	C++20	0 / 100	168 ms	19012 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(){
    int n, q; cin>>n>>q;
    map<int, pair<bool, bool>>mp;
    map<int, int>ans;
    for(int i=0 ; i<=n ; i++) mp[i].second=1;
    int aux=0;
    for(int i=0 ; i<q ; i++){
        int curr; cin>>curr;
        if(curr<0){
            curr=-curr;
            if(mp[curr].second==1) ans[curr]=ans[curr]+1;
            // aux=max(aux, ans[curr]);
            mp[curr].second=1;
            mp[curr].first=0;
        }else{
            if(mp[curr].first==1) ans[curr]=ans[curr]+1;
            aux=max(aux, ans[curr]);
            mp[curr].second=0;
            mp[curr].first=1;
        }
    }
    cout<<aux<<"\n";
}

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

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