Submission #534758

#	Time	Username	Problem	Language	Result	Execution time	Memory
534758		Icebear16	Keys (IOI21_keys)	C++17	0 / 100	0 ms	280 KiB

keys

#include <vector>

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);
	for(int i=0;i<r.size();i++){
		if(r[i]==0){
			ans[i]=0;
		}
	}
	bool temp=false;
	for(int i=0;i<r.size();i++){
		if(ans[i]==1){
			temp=true;
		}
	}
	if(temp==false){	
		for(int i=0;i<r.size();i++){
			ans[i]=1;
		}
	}
	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:5:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 |  for(int i=0;i<r.size();i++){
      |              ~^~~~~~~~~
keys.cpp:11:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |  for(int i=0;i<r.size();i++){
      |              ~^~~~~~~~~
keys.cpp:17:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |   for(int i=0;i<r.size();i++){
      |               ~^~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 11
• Subtask 3: 0 / 17
• Subtask 4: 0 / 30
• Subtask 5: 0 / 33