Submission #440618

#	Time	Username	Problem	Language	Result	Execution time	Memory
440618		MetalPower	Keys (IOI21_keys)	C++17	0 / 100	0 ms	204 KiB

keys

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

#include "keys.h"

vector<int> find_reachable(vector<int> r, vector<int> u, vector<int> v, vector<int> c){
	
	bool all_zero = true;
	int N = r.size(), M = u.size();

	for(int i = 0; i < N; i++) all_zero &= (r[i] == 0);

	vector<int> ans(N, 1);

	if(!all_zero) for(int i = 0; i < N; i++) ans[i] &= (r[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:9:20: warning: unused variable 'M' [-Wunused-variable]
    9 |  int N = r.size(), M = u.size();
      |                    ^

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