제출 #873321

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
873321	2023-11-14 20:10:25	PagodePaiva	Joker (BOI20_joker)	C++17	0 / 100	2057 ms	6260 KiB

Joker

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#include<bits/stdc++.h>
#define N 300010
using namespace std;
const int B = 500;
int n, m, q;
struct DSU{
    int pai[N], sz[N], val[N];
    void init(int n){
        for(int i = 1;i <= n;i++){
            pai[i] = i;
            sz[i] = 1;
            val[i] = 0;
        }
    }
    int find(int x){
        if(x == pai[x]) return x;
        int p = find(pai[x]);
        val[x] += val[p];
        val[x] %= 2;
        pai[x] = p;
        return pai[x];
    }
    void join(int a, int b){
        int va, vb;
 
 
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