Submission #573412

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
573412	2022-06-06 14:47:18	amunduzbaev	Joker (BOI20_joker)	C++17	100 / 100	554 ms	20764 KiB

Joker

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#include "bits/stdc++.h"
using namespace std;
#define ar array
//~ #define int long long
const int N = 2e5 + 5;
vector<int> edges[N];
int sz[N], par[N], c[N], is[N], R[N];
ar<int, 2> e[N];
signed main(){
  ios::sync_with_stdio(0); cin.tie(0);
  
  int n, m, q; cin>>n>>m>>q;
  for(int i=1;i<=m;i++){
    cin>>e[i][0]>>e[i][1];
    edges[e[i][0]].push_back(e[i][1]);
    edges[e[i][1]].push_back(e[i][0]);
  }
  
  for(int i=0;i<N;i++) sz[i] = 1, par[i] = i;
  function<ar<int, 2>(int)> f = [&](int x) -> ar<int, 2>{
    if(par[x ] == x) return {x, c[x]};
    auto t = f(par[x]);
    return {t[0], t[1] ^ c[x]};
  };
  int cnt = 0;
  vector<ar<int, 3>> last;
  auto merge = [&](int a, int b){
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 8 / 8
• Subtask 3: 25 / 25
• Subtask 4: 10 / 10
• Subtask 5: 22 / 22
• Subtask 6: 29 / 29