Submission #1051566

#	Time	Username	Problem	Language	Result	Execution time	Memory
1051566		MarwenElarbi	Keys (IOI21_keys)	C++17	Compilation error	0 ms	0 KiB

keys

#include <bits/stdc++.h>
using namespace std;

std::vector<int> find_reachable(std::vector<int> r, std::vector<int> u, std::vector<int> v, std::vector<int> c) {
	std::vector<int> ans(r.size(),1);
	int cnt=0;
	for (int i = 0; i < (int)r.size(); ++i)
	{
		cnt+=(r[i]==0);
	}
	if(cnt==n||cnt==0) return ans;
	for (int i = 0; i < (int)r.size(); ++i)
	{
		if(r[i]==0) ans[i]=0; 
	}
	return ans;
}

Compilation message (stderr)

keys.cpp: In function 'std::vector<int> find_reachable(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
keys.cpp:11:10: error: 'n' was not declared in this scope
   11 |  if(cnt==n||cnt==0) return ans;
      |          ^