Submission #602753

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
602753	2022-07-23 11:00:23	vanic	Spring cleaning (CEOI20_cleaning)	C++14	34 / 100	1090 ms	18624 KiB

cleaning

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#include <iostream>
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <vector>
using namespace std;
const int maxn=2e5+5;
vector < int > ms[maxn];
vector < int > novi;
int sol;
int root;
int dfs(int x, int prosl){
  int br=0;
  for(int i=0; i<(int)ms[x].size(); i++){
    if(ms[x][i]!=prosl){
      br+=dfs(ms[x][i], x);
    }
  }
  if(x==prosl){
    if(br&1){
      return -1;
    }
    return 0;
  }
  if(!br){
 
 
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• Subtask 1: 0 / 0
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 16 / 16
• Subtask 5: 0 / 19
• Subtask 6: 0 / 17
• Subtask 7: 0 / 30