Submission #1119679

#	Time	Username	Problem	Language	Result	Execution time	Memory
1119679		ezzzay	Infinite Race (EGOI24_infiniterace2)	C++14	0 / 100	18 ms	684 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define itn long long
#define int long long
#define ff first
#define ss second
#define pb push_back
map<int,int>mp;
map<int,int>urd;
signed main(){
    int n,q;
    cin>>n>>q;
    for(int i=0;i<n;i++)mp[i]=-1;
    while(q--){
        int x;
        cin>>x;
        if(x<0){
            x*=-1;
            if(urd[x]){
                mp[x]++;
            }
            urd[x]=1;
        }
        else{
            
            if(urd[x]==0){
                mp[0]++;
            }
            urd[x]=0;
        }
    }
    cout<<mp[0];
}

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