Submission #1227093

#	Time	Username	Problem	Language	Result	Execution time	Memory
1227093		moonni10	Infinite Race (EGOI24_infiniterace2)	C++20	29 / 100	141 ms	27032 KiB

Main

#pragma GCC optimize("O3")
#include<bits/stdc++.h>
#define ll long long
#define endl "\n"
#define AI ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
using namespace std;
vector<ll>a;
vector<ll>b;
vector<pair<ll,ll>>ans;
void solve()
{
    ll n,q,i,ma=0;
    cin>>n>>q;
    ll a[q];
    for(i=0;i<q;i++)
    cin>>a[i];
    map<ll,ll>mp;
    map<ll,ll>mm;
    for(i=0;i<q;i++)
    {
        if(a[i]<0)
        {
            a[i]=abs(a[i]);
            mm[a[i]]+=max(0LL,mp[a[i]]-1);
            mp[a[i]]=0;
        }
        else
        mp[a[i]]++;
    }
    for(i=1;i<n;i++)
    {
      //  cout<<mm[i]<<mp[i];
        mm[i]+=max(0LL,mp[i]-1);
        ma=max(ma,mm[i]);
        //cout<<mm[i];
    }
    cout<<ma;
}
int main()
{
    AI
    ll t=1;
   // cin>>t;
    while(t--)
    solve();
}

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