Submission #1017755

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1017755	2024-07-09 09:58:16	Unforgettablepl	Jail (JOI22_jail)	C++17	5 / 100	73 ms	50384 KiB

jail

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#include <bits/stdc++.h>
using namespace std;
 
#define int long long
 
const int modulo = 1e9+7;
 
void solve(){
  int n;
  cin >> n;
  vector<vector<int>> adj(n+1);
  for(int i=1;i<n;i++){
    int a,b;cin>>a>>b;
    adj[a].emplace_back(b);
    adj[b].emplace_back(a);
  }
  vector<int> depth(n+1);
  vector<vector<int>> p(n+1,vector<int>(17));
  function<void(int,int,int)> dfs = [&](int x,int par,int dep){
    depth[x]=dep;
    p[x][0]=par;
    for(int&i:adj[x])if(i!=par)dfs(i,x,dep+1);
  };
  dfs(1,0,1);
  for(int bit=1;bit<17;bit++){
    for(int i=1;i<=n;i++){
      p[i][bit] = p[p[i][bit-1]][bit-1];
    }
  }
  auto lift = [&](int x,int tar){
 
 
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Compilation message (stderr)

jail.cpp: In function 'void solve()':
jail.cpp:39:7: warning: variable 'collides' set but not used [-Wunused-but-set-variable]
   39 |  auto collides = [&](int curr,int v){
      |       ^~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 16
• Subtask 4: 0 / 28
• Subtask 5: 0 / 12
• Subtask 6: 0 / 11
• Subtask 7: 0 / 23