Submission #495979

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
495979	2021-12-20 08:59:54	AlperenT	Checker (COCI19_checker)	C++17	110 / 110	348 ms	30540 KiB

checker

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#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
int t, n, a, b, c, lg2[N];
string str;
vector<pair<int, int>> graph[N];
vector<array<int, 3>> edges;
priority_queue<int, vector<int>, greater<int>> pq;
bool flag1 = true, flag2 = true;
bool check(int nodea, int nodeb, int c){
    vector<pair<int, int>> v, &va = graph[nodea], &vb = graph[nodeb];
    bool flag = false;
    if(vb.size() < va.size()) flag = true, swap(va, vb);
    if(va.size() * (lg2[vb.size()] + 1) < va.size() + vb.size()){;
        for(auto p : va){
            auto it = lower_bound(vb.begin(), vb.end(), pair{p.first, 0});
            if(it != vb.end()){
                pair<int, int> p2 = *it;
 
 
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Compilation message (stderr)

checker.cpp: In function 'bool check(int, int, int)':
checker.cpp:39:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         while(a < va.size() && b < vb.size()){
      |               ~~^~~~~~~~~~~
checker.cpp:39:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |         while(a < va.size() && b < vb.size()){
      |                                ~~^~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 17 / 17
• Subtask 3: 23 / 23
• Subtask 4: 23 / 23
• Subtask 5: 35 / 35