Submission #1129427

#	Time	Username	Problem	Language	Result	Execution time	Memory
1129427		Matbubble	Infinite Race (EGOI24_infiniterace2)	C++20	29 / 100	163 ms	34788 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>freq;
    map<long long, vector<long long>>ans;
    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{
            ans[curr].push_back(freq[curr]);
            freq[curr]++;
        }
    }
    for(auto it:ans){
        vector<long long>v=it.second;
        long long curr=0;
        for(long long i=0 ; i<(long long)v.size()-1 ; i++){
            if(v[i]>v[i+1]) curr+=v[i];
        }
        aux=max(aux, curr+v.back());
    }
    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