Submission #839490

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
839490	2023-08-30 07:08:49	serifefedartar	Putovanje (COCI20_putovanje)	C++17	110 / 110	104 ms	25676 KiB

putovanje

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#include <bits/stdc++.h>
using namespace std;
 
#define debug(x) {cout << #x << ": "; for (auto it : x) cout << it << " ";cout << endl;}
#define fast ios::sync_with_stdio(0);cin.tie(0);
typedef long long ll;
#define f first
#define s second
#define MOD 998244353
#define LOGN 20
#define MAXN 200005
vector<vector<pair<int,pair<ll,ll>>>> graph;
vector<ll> cnt;
int up[LOGN][MAXN], depth[MAXN];
void dfs(int node, int parent) {
  for (auto u : graph[node]) {
    if (u.f == parent)
      continue;
    depth[u.f] = depth[node] + 1;
    up[0][u.f] = node;
    for (int i = 1; i < LOGN; i++)
      up[i][u.f] = up[i-1][up[i-1][u.f]];
    dfs(u.f, node);
  }
}
int find(int node, int k) {
  for (int i = 0; i < LOGN; i++) {
    if ((1<<i) & k)
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 65 / 65