제출 #565705

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
565705		SilentVisitor	Roads (CEOI20_roads)	C++17	15 / 100	17 ms	2084 KiB

roads

/*
     author : SilentVisitor;
     created on 12.01.22 12.52 A.M. 
*/
#include<bits/stdc++.h> 
using namespace std; 
#ifdef _DEBUG 
#include "algo/debug.h" 
#else
#define debug(...) 69420 
#endif
#define deb(...) union 

#define ll long long
#define i64 ll64_t 

#define ff first 
#define ss second

#define all(c) c.begin(), c.end()
#define rall(c) c.rbegin(), c.rend()
#define sz(s) s.size()
vector<char> data = {'a', 'e', 'i', 'o', 'u'}; 
 
void solve(int ans = 0){
        int n; 
        cin >> n; 
        vector<pair<int, pair<int, int>>> vp(n); 
        for(int i = 0; i < n; i += 1){
              int x1, y1, x2, y2; 
              cin >> x1 >> y1 >> x2 >> y2; 
              if(y1 > y2) swap(y1, y2); 
              vp[i].ff = x1; 
              vp[i].ss = make_pair(y1, y2); 
        }
        sort(all(vp)); 
        vector<pair<pair<int, int>, pair<int, int>>> dd;
        for(int i = 1; i < n; i += 1){
             dd.push_back(make_pair(make_pair(vp[i].ff, vp[i].ss.ff), make_pair(vp[i-1].ff, vp[i-1].ss.ss)));
        }
        for(auto x : dd)
             cout << x.ff.ff << ' ' << x.ff.ss << ' ' << x.ss.ff << ' ' << x.ss.ss << '\n'; 
}
main(void){
       ios::sync_with_stdio(false); 
       cin.tie(0); 
       cout.tie(0); 
       solve(); 
       return 0; 
}

컴파일 시 표준 에러 (stderr) 메시지

roads.cpp:44:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   44 | main(void){
      | ^~~~

• Subtask 1: 0 / 0
• Subtask 2: 15 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 40