Submission #781865

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
781865	2023-07-13 12:09:30	Andrey	Cat Exercise (JOI23_ho_t4)	C++14	100 / 100	294 ms	65136 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
vector<long long> h(200001);
vector<long long> haha[200001];
vector<long long> dsu(200001);
vector<long long> dep(200001);
long long bruh[200001][19];
void dfs(long long a, long long t, long long d) {
    bruh[a][0] = t;
    dep[a] = d;
    for(long long v: haha[a]) {
        if(v != t) {
            dfs(v,a,d+1);
        }
    }
}
long long check(long long a) {
    long long c = a,d,e;
    while(dsu[c] != c) {
        c = dsu[c];
    }
    d = a;
    while(d != dsu[d]) {
        e = dsu[d];
        dsu[d] = c;
        d = e;
    }
 
 
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