Submission #534759

#	Time	Username	Problem	Language	Result	Execution time	Memory
534759		Icebear16	Keys (IOI21_keys)	C++17	0 / 100	1 ms	332 KiB

keys

#include <bits/stdc++.h>

std::vector<int> adj[2000];
std::vector<bool> visited(2000,false);

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(), 0);
	for(int i=0;i<u.size();i++){
		adj[u[i]].push_back(v[i]);
		adj[v[i]].push_back(u[i]);
	}
	int m=1000;
	for(int i=0;i<u.size();i++){
		int v=adj[i].size();
		m=std::min(m,v);
	}
	for(int i=0;i<r.size();i++){
		if(adj[i].size()==m){
			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:8:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |  for(int i=0;i<u.size();i++){
      |              ~^~~~~~~~~
keys.cpp:13:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |  for(int i=0;i<u.size();i++){
      |              ~^~~~~~~~~
keys.cpp:17:15: 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++){
      |              ~^~~~~~~~~
keys.cpp:18:19: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |   if(adj[i].size()==m){
      |      ~~~~~~~~~~~~~^~~

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