Submission
Status:
[PP-SS][PPPPP]
Subtask/Task Score:
{0/50}{50/50}
Score: 50
User: meme_boi2
Problemset: จุดแวะพัก
Language: cpp
Time: 0.012 second
Submitted On: 2025-11-01 23:10:43
#include <bits/stdc++.h>
using namespace std;
int32_t main(){
cin.tie(nullptr)->sync_with_stdio(0);
int n;
string k;
cin >> n >> k;
vector<vector<int>> mat(n);
vector<string> vec(n);
for(int var_i = 0; var_i < n; var_i++){
string txt,s = "";
getline(cin,txt);
for(int i = 0; i < txt.length(); i++){
if(txt[i] >= 'a' && txt[i] <= 'z'){
s = s + txt[i];
while(i+1 < txt.length() && txt[i+1] >= 'a' && txt[i+1] <= 'z'){
i++;
s = s + txt[i];
}
vec[var_i] = s;
}
if(isdigit(txt[i])){
string ss = "";
ss = ss + txt[i];
while(i+1 < txt.length() && isdigit(txt[i+1])){
ss = ss + txt[i+1];
i++;
}
mat[var_i].push_back(stoi(ss));
}
}
}
//for(auto x:vec) cout << x << ' ';
vector<pair<int,string>> ans;
for(int i = 0;i < n; i++){
auto it = lower_bound(mat[i].begin(),mat[i].end(),stoi(k));
if(it != mat[i].end() && mat[i][it-mat[i].begin()] == stoi(k)){
ans.push_back({it-mat[i].begin(),vec[i]});
}
}
sort(ans.begin(),ans.end());
//for(auto [x,y]: ans) cout << x <<' ' << y << '\n';
if(ans.empty()){
cout << -1;
}else{
for(int i = 0; i < 3 && i < ans.size(); i++){
cout << ans[i].second << ' ';
}
}
}