Submission #1064224

#	Time	Username	Problem	Language	Result	Execution time	Memory
1064224		MarwenElarbi	Thousands Islands (IOI22_islands)	C++17	Compilation error	0 ms	0 KiB

islands

#include "islands.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
#define fi first
#define se second

std::variant<bool, std::vector<int>> find_journey(
    int N, int M, std::vector<int> U, std::vector<int> V) {
  int a=0;
  int b=0;
  for (int i = 0; i < M; ++i)
  {
    (U[i]==0 ? a : b)++;
  }
  if(a.size()>=2&&b.size()>=2) return true;
  else 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:17:8: error: request for member 'size' in 'a', which is of non-class type 'int'
   17 |   if(a.size()>=2&&b.size()>=2) return true;
      |        ^~~~
islands.cpp:17:21: error: request for member 'size' in 'b', which is of non-class type 'int'
   17 |   if(a.size()>=2&&b.size()>=2) return true;
      |                     ^~~~
islands.cpp:19:1: warning: control reaches end of non-void function [-Wreturn-type]
   19 | }
      | ^