Submission #685105

#	Time	Username	Problem	Language	Result	Execution time	Memory
685105		irmuun	Thousands Islands (IOI22_islands)	C++17	Compilation error	0 ms	0 KiB

islands

#include<bits/stdc++.h>
#include "islands.h"
using namespace std;
#define pb push_back
variant<bool, vector<int>> find_journey(int N, int M, vector<int> U, vector<int> V){
	if(N==2){
		vector<int>v0,v1;
		for(int i=0;i<M;i++){
			if(U[i]==0){
				v0.pb(i);
			}
			else{
				v1.pb(i);
			}
		}
		if(v0.size()<2||v1.size()<1){
			return false;
		}
		return {v0[0],v1[0],v0[1],v0[0],v1[0],v0[1]};
	}
	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:19:46: error: could not convert '{v0.std::vector<int>::operator[](0), v1.std::vector<int>::operator[](0), v0.std::vector<int>::operator[](1), v0.std::vector<int>::operator[](0), v1.std::vector<int>::operator[](0), v0.std::vector<int>::operator[](1)}' from '<brace-enclosed initializer list>' to 'std::variant<bool, std::vector<int, std::allocator<int> > >'
   19 |   return {v0[0],v1[0],v0[1],v0[0],v1[0],v0[1]};
      |                                              ^
      |                                              |
      |                                              <brace-enclosed initializer list>