Submission #961366

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
961366	2024-04-11 22:47:16	MarwenElarbi	Two Currencies (JOI23_currencies)	C++17	100 / 100	4683 ms	207096 KiB

currencies

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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<long long,int>pii;
typedef pair<pii,pii>pi2;
mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
 
vector<int>adj[100005];
int in[100005];
int out[100005];
int d[100005];
int two[25][100005];
int ptr=0;
int h[100005];
 
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;
    two[0][it]=index;
    d[it]=d[index]+1;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32