Submission #437040

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
437040	2021-06-25 16:35:39	BrunoPloumhans	Keys (IOI21_keys)	C++17	37 / 100	2566 ms	71428 KiB

keys

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#include <vector>
#include <bits/stdc++.h>
using namespace std;
int n;
vector<int> r;
vector<int> cnts;
vector<int> ans;
struct edge {
    int k;
    int v;
};
vector<vector<edge>> adj;
unordered_map<int, int> visited_sets;
vector<unordered_set<int>> setlist;
int min_count = 1e9;
bool a_contains_all_b(unordered_set<int>& a, unordered_set<int>& b) {
    for(int i : b) {
        if (a.count(i) == 0) return false;
    }
    return true;
}
void compute_cnt(int start) {
    unordered_set<int> vis;
    unordered_set<int> collected_keys;
 
 
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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:82:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   82 |     for (int i = 0; i < u.size(); ++i) {
      |                     ~~^~~~~~~~~~

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