Submission #739615

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
739615	2023-05-10 18:47:59	Nirjhor	Race (IOI11_race)	C++17	100 / 100	720 ms	62572 KiB

race

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#include "race.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
using namespace __gnu_pbds;
const int N = 200010;
bool bad[N];
long long weight[N];
vector <pair <int, int>> g[N];
int sub[N], ans, ptr, h[N], in[N], out[N], flat[N], target;
void trav (int u, int p = -1) {
  sub[u] = 1;
  for (auto [v, w] : g[u]) if (v != p and !bad[v]) {
    trav(v, u);
    sub[u] += sub[v];
  }
}
int centroid (int u, int bound, int p = -1) {
  for (auto [v, w] : g[u]) if (v != p and !bad[v] and sub[v] > bound) {
    return centroid(v, bound, u);
  }
  return u;
}
void go (int u, int p = -1, int depth = 0, long long sum = 0) {
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57