Submission #1163841

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1163841	2025-03-08 15:12:09	mertbbm	Election Campaign (JOI15_election_campaign)	C++20	100 / 100	211 ms	67984 KiB

election_campaign

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#include <bits/stdc++.h>
using namespace std;
 
#define int long long 
#define ld long double
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << "  " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << "  " << j << " " << #i << "  " << q << " " << #p << endl;
#define show4(x,y) for(auto it:y) cout << it << " "; cout << #x << endl;
typedef pair<int,int>pii;
typedef pair<pii,int>pi2;
mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());
vector<int>adj[100005];
int in[100005];
int out[100005];
int d[100005];
int two[22][100005];
int ptr=0;
void dfs(int index, int par){
  in[index]=++ptr;
  for(int x=0;x<20;x++){
    two[x+1][index]=two[x][two[x][index]];
  }
  for(auto it:adj[index]){
    if(it==par) continue;
    d[it]=d[index]+1;
    two[0][it]=index;
    dfs(it,index);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 30 / 30
• Subtask 5: 10 / 10
• Subtask 6: 40 / 40