Submission

Score: 100

User: Brabra475

Problemset: จุดแวะพัก

Language: cpp

Time: 0.008 second

Submitted On: 2026-03-10 21:43:12

#include<bits/stdc++.h>
using namespace std;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n,k;
    cin>>n>>k;
    cin.ignore();
    vector<pair<int,string>> dat;
    bool found=false;
    for(int i =0;i<n;i++){
        string line;
        getline(cin, line);
        istringstream ss(line);
        found=false;
        string m;
        ss>>m;
        int x;
        int cnt=0;
        int found_where;

        while(ss>>x){
            
            if(x==k){
                found_where=cnt;
                found=true;
                break;
            }
            cnt++;

        }
        if(found==true){
            dat.push_back({found_where,m});
        }
    }

    if(dat.empty()){ cout << -1; return 0; }
    sort(dat.begin(), dat.end(), [](auto& a, auto& b){
        if(a.first != b.first) return a.first < b.first;
        return a.second < b.second;
    });

    

    for(int i = 0; i < min((int)dat.size(), 3); i++){
        if(i > 0) cout << " ";
        cout << dat[i].second;
    }
}