Submission #781461

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
781461	2023-07-13 06:39:57	boris_mihov	Cat Exercise (JOI23_ho_t4)	C++17	100 / 100	227 ms	44676 KiB

Main

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#include <algorithm>
#include <iostream>
#include <numeric>
#include <cassert>
#include <vector>
typedef long long llong;
const int MAXLOG = 18;
const int MAXN = 200000 + 10;
const int INF  = 1e9;
int n;
struct Sparse
{
    int sparse[MAXLOG][MAXN];
    int dep[MAXN];
    void build(int par[], int d[])
    {
        for (int i = 1 ; i <= n ; ++i)
        {
            sparse[0][i] = par[i];
            dep[i] = d[i];
        }
        for (int log = 1 ; (1 << log) <= n ; ++log)
        {
            for (int i = 1 ; i <= n ; ++i)
            {
                sparse[log][i] = sparse[log - 1][sparse[log - 1][i]];
 
 
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