Submission #1135213

#	Time	Username	Problem	Language	Result	Execution time	Memory
1135213		MunkhturErdenebat	Infinite Race (EGOI24_infiniterace2)	C++20	100 / 100	133 ms	16012 KiB

Main

#include<bits/stdc++.h>
#include<string.h>
#include <algorithm>
#include <stdlib.h>
 #define ll long long
using namespace std;
    ll k[500006],a,b,c,d,e,f,m,i,j,n,h,g,l,r,ka,p,q[200005],t[200005];
    map<ll,ll> maa,mii,mee;
    vector<ll> vas[25],vis,vii;

int main(){
    cin>>a;
    cin>>b;
    k[0]=0;
    
    for(i=1 ; i<=b ; i++){
        cin>>t[i];
        if(k[i-1]>k[maa[abs(t[i])]] || maa[abs(t[i])]==0 || t[maa[abs(t[i])]]!=t[i] || t[i]<0){
            k[i]=k[i-1];
        }
        else{
            k[i]=k[i-1]+1;
        }
        maa[abs(t[i])]=i;
    }
    cout<<k[b];
}

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