제출 #1074669

#제출 시각아이디문제언어결과실행 시간메모리
1074669NicolaikrobThousands Islands (IOI22_islands)C++17
0 / 100
37 ms3156 KiB
#include "islands.h"

#include <variant>
#include <vector>

std::variant<bool, std::vector<int>> find_journey(
    int N, int M, std::vector<int> U, std::vector<int> V) {
	
	int b1 = -1, b2 = -1;
	for(int i = 0; i < U.size(); i++) {
		if(U[i] == 0) b1 = i;
		if(U[i] == 1) b2 = i;
	}
	if(b1 == -1 || b2 == -1) return false;
	std::vector<int> T = {b1, b2};
	return T;

	if (N == 4) {
		return std::vector<int>({0, 1, 2, 4, 0, 3, 2, 1, 4, 3});
	}
	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:10:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |  for(int i = 0; i < U.size(); i++) {
      |                 ~~^~~~~~~~~~
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