Submission #1074669

#	Time	Username	Problem	Language	Result	Execution time	Memory
1074669		Nicolaikrob	Thousands Islands (IOI22_islands)	C++17	0 / 100	37 ms	3156 KiB

islands

#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;
}

Compilation message (stderr)

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++) {
      |                 ~~^~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 21
• Subtask 4: 0 / 24
• Subtask 5: 0 / 45