Submission

[PPPPP][-SSSS]

Score: 50

User: Jibhong

Problemset: จุดแวะพัก

Language: cpp

Time: 0.004 second

Submitted On: 2025-03-24 09:48:34

#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
map<int,vector<string>>mp;
int main(){
    ios::sync_with_stdio(0);cin.tie(0);
    int n,q;
    cin>>n>>q;
    cin.ignore();
    for(int i=0;i<n;++i){
        string inp;
        getline(cin,inp);
        stringstream ss;
        string e;
        ss<<inp;
        bool gay=0;
        int cnt=0;
        string name;
        while(ss>>e){
            if(!gay){
                name=e;
                gay=1;
                continue;
            }
            if(stoi(e)!=q){
                ++cnt;
                continue;
            }  
            mp[cnt].emplace_back(name);
            break;
        }
        
    }
    bool gay=1;
    for(auto e:mp){
        sort(e.S.begin(),e.S.end());
        for(auto f:e.S){
            gay=0;
            cout<<f<<' ';
        }
    }
    if(gay)cout<<-1;
    return 0;
}