Submission

[PPPPP][-SSSS]

Score: 50

User: Nakornrat

Problemset: จุดแวะพัก

Language: cpp

Time: 0.007 second

Submitted On: 2025-03-16 21:09:53

#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
int main()
{
    ios::sync_with_stdio(false);cin.tie(0);
    int n, k;cin>>n>>k;
    cin.ignore();
    set<pair<int, string>> a;
    for(int i=0;i<n;i++){
        string s;
        getline(cin, s);
        istringstream ss(s);
        string sss;
        ss>>sss;
        int numm;
        int cnt = 0;
        while(ss>>numm){
            if(numm==k){
                a.insert({cnt, sss});
            }
            ++cnt;
        }
    }
    if(a.empty()){
        cout<<-1;
        return 0;
    }
    for(auto [_, nn]:a){
        cout<<nn<<' ';
    }
}