제출 #1235632

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1235632		MuhammadSaram	수천개의 섬 (IOI22_islands)	C++20	컴파일 에러	0 ms	0 KiB

islands

#include "islands.h"
#include <bits/stdc++.h>

using namespace std;

variant<bool, vector<int>> find_journey(int n, int m, vector<int> U, vector<int> V)
{
	vector<int> can[n];
	for (int i=0;i<m;i++)
		can[u[i]].push_back(i);
	if (can[0].size()>1 && can[1].size())
		return {can[0][0],can[1][0],can[0][1],can[0][0],can[1][0],can[0][1]};
	return false;
}

컴파일 시 표준 에러 (stderr) 메시지

islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, std::vector<int>, std::vector<int>)':
islands.cpp:10:21: error: 'u' was not declared in this scope
   10 |                 can[u[i]].push_back(i);
      |                     ^
islands.cpp:12:84: error: could not convert '{can[0].std::vector<int>::operator[](0), can[1].std::vector<int>::operator[](0), can[0].std::vector<int>::operator[](1), can[0].std::vector<int>::operator[](0), can[1].std::vector<int>::operator[](0), can[0].std::vector<int>::operator[](1)}' from '<brace-enclosed initializer list>' to 'std::variant<bool, std::vector<int, std::allocator<int> > >'
   12 |                 return {can[0][0],can[1][0],can[0][1],can[0][0],can[1][0],can[0][1]};
      |                                                                                    ^
      |                                                                                    |
      |                                                                                    <brace-enclosed initializer list>