Submission #897410

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
897410	2024-01-03 04:17:56	LCJLY	The Xana coup (BOI21_xanadu)	C++14	100 / 100	56 ms	23636 KiB

xanadu

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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:x) cout << it << " "; cout << #y << endl;
typedef pair<int,int>pii;
typedef pair<pii,pii>pi2;
vector<int>adj[100005];
int arr[100005];
int dp[2][2][100005];
void dfs(int index, int par){
  array<int,2>cnt;
  array<int,2>take;
  array<int,2>change;
  cnt={0,0};
  take={0,0};
  change={(int)1e15,(int)1e15};
  
  
  for(auto it:adj[index]){
    if(it==par) continue;
    dfs(it,index);
    
    for(int x=0;x<2;x++){
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 10 / 10
• Subtask 4: 40 / 40
• Subtask 5: 30 / 30