Submission #927945

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
927945	2024-02-15 14:28:00	TAhmed33	Race (IOI11_race)	C++98	100 / 100	751 ms	45336 KiB

race

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#include <bits/stdc++.h>
using namespace std;
#define int long long
const int MAX = 2e5 + 24;
int sze[MAX];
bitset <MAX> vis;
int k;
vector <pair <int, int>> adj[MAX];
void calc (int pos, int par) {
  sze[pos] = 1;
  for (auto j : adj[pos]) {
    if (j.first == par || vis[j.first]) continue;
    calc(j.first, pos);
    sze[pos] += sze[j.first];   
  }
}
int find (int pos, int par, int kk) {
  for (auto j : adj[pos]) {
    if (j.first == par) continue;
    if (vis[j.first]) continue;
    if (sze[j.first] > (kk >> 1)) return find(j.first, pos, kk);
  }
  return pos;
}
int mn = 1e10;
map <int, int> cnt;
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57