제출 #599441

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
599441	2022-07-19 14:10:54	CaroLinda	열쇠 (IOI21_keys)	C++17	0 / 100	19 ms	14420 KiB

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#include <vector>
#include <bits/stdc++.h>
const int MAXN = 3e5+10;
using namespace std;
vector<int> filaChave[MAXN];
int N;
int dsu[MAXN];
vector<pair<int,int> > adj[MAXN];
bool chave[MAXN]; //assume sempre que estah limpa
bool vis[MAXN];
int find(int x){
  return dsu[x] = (x == dsu[x]) ? x : find(dsu[x]);
}
bool join(int a, int b){
  a = find(a);
  b = find(b);
  if(a == b)
    return false;
  if(rand() % 2)
    swap(a,b);
  dsu[a] = b;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

keys.cpp: In function 'std::vector<int> find_reachable(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
keys.cpp:41:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |  for(int i = 0; i < u.size(); i++){
      |                 ~~^~~~~~~~~~
keys.cpp: In lambda function:
keys.cpp:57:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |   while(ini < toProcess.size() && !quebra){
      |         ~~~~^~~~~~~~~~~~~~~~~~

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