Submission #1171003

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1171003	2025-03-20 11:37:36	Syrius	Cat Exercise (JOI23_ho_t4)	C++20	0 / 100	2 ms	5264 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
// #define int long long
#define ll long long
#define ff first
#define ss second
#define pint pair < int , int >
#define fast ios_base::sync_with_stdio(NULL); cin.tie(NULL)
typedef vector < int > vint;
const int inf = 1e9 + 9;
const int mxn = 2e5 + 2;
const int mod = 1e9 + 7;
vector < vint > adj(mxn);
int n;
int a[mxn] , p[mxn];
int lev[mxn] , tab[18][mxn];
int in[mxn] , out[mxn];
int rev[mxn];
int timer = 0;
void tour(int u , int par) {
    in[u] = ++timer;
    a[timer] = p[u];
    rev[timer] = u;
    for (int v : adj[u]) {
        if (v == par) continue;
 
 
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