Submission #703423

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
703423	2023-02-27 10:00:33	406	Mousetrap (CEOI17_mousetrap)	C++17	100 / 100	1357 ms	225196 KiB

mousetrap

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#include "bits/stdc++.h"
using namespace std;
#define int long long
const int N = 1e6 + 5;
const long long INF = 1ll << 60;
int F[N], n, T, M, ch[N], pr[N], bala[N];
vector<int> adj[N];
void dfs2(int v, int p) {
  for (auto u: adj[v]) if (u != p) {
    bala[u] = bala[v] + ch[v] - 1;
    dfs2(u, v);
  }
}
void dfs(int v, int p) {
  pr[v] = p;
  vector<int> tmp;
  for (auto u: adj[v]) if (u != p) {
    dfs(u, v);
    tmp.push_back(F[u]);
    ch[v]++;
  }
  sort(tmp.rbegin(), tmp.rend());
  if (tmp.size() <= 1)
    F[v] = tmp.size();
  else
    F[v] = tmp[1] + tmp.size();
}
 
 
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Compilation message (stderr)

mousetrap.cpp: In function 'int main()':
mousetrap.cpp:79:13: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   79 |   int m = l + r >> 1;
      |           ~~^~~

• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 20 / 20
• Subtask 4: 35 / 35