Submission #947980

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
947980	2024-03-17 11:02:38	dimashhh	Joker (BOI20_joker)	C++17	49 / 100	2005 ms	22924 KiB

Joker

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 2e5 + 5, MOD = 998244353;
int p[N],sz[N],n,m,q,d[N];
void reset(){
    for(int i = 1;i <= n;i++){
        sz[i] = 1;
        p[i] = i;
        d[i] = 0;
    }
}
pair<int, int> get(int v) {
//    cerr << v << ' ' << p[v] << '\n';
    if(p[v] == v){
        return {v,0};
    }
    pair<int,int> x = get(p[v]);
    p[v] = x.first;
    d[v] += x.second;
    return {p[v],d[v]};
}
bool merge(int a,int b){
    pair<int,int> x = get(a),y = get(b);
    if(sz[x.first] < sz[y.first]){
        swap(x,y);
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 8 / 8
• Subtask 3: 25 / 25
• Subtask 4: 10 / 10
• Subtask 5: 0 / 22
• Subtask 6: 0 / 29