Submission #49947

#	Time	Username	Problem	Language	Result	Execution time	Memory
49947		wzy	Amusement Park (JOI17_amusement_park)	C++14	0 / 100	28 ms	8416 KiB

Joi

#include "Joi.h"
#include <bits/stdc++.h>
using namespace std;

int Ps[100000] , Pi[100000];
vector<int> ad[100000];
int lJOI[100000];
int findjoi(int x){
	return Pi[x] == x ? x : Pi[x] = findjoi(Pi[x]);
}

void joinjoi(int x , int y){
	x = findjoi(x) , y = findjoi(y);
	if(Ps[x] > Ps[y]) swap(x,y);
	Pi[x] = y , Ps[y] += Ps[x];
}


void dfsJOI(int x , int y){
	if(findjoi(x) != findjoi(y) && (Ps[findjoi(x)] +Ps[findjoi(y)]) <= 60){
		joinjoi(x , y);
	}
	lJOI[x] = Ps[findjoi(x)] - 1;
	for(auto p : ad[x]){
		if(p == y) continue;
		dfsJOI(p , x);
	}
}




void Joi(int N, int M, int A[], int B[], long long X, int T) {
  for(int i = 0 ; i < N ; i ++){
  	Ps[i] = 1 , Pi[i] = i;
  }
  for(int i = 0 ; i < M ; i ++){
  	if(findjoi(A[i]) != findjoi(B[i])){
  		joinjoi(A[i] , B[i]);
  		ad[A[i]].push_back(B[i]);
  		ad[B[i]].push_back(A[i]);
  	}
  }
  for(int i = 0 ; i < N ; i ++){
  	Ps[i] = 1 , Pi[i] = i;
  }
  dfsJOI(0 , 0);
  for(int i = 0 ; i < N ; i ++){
  	int U = (1LL<<(lJOI[i]));
  	U &= X;
  	if(U > 0) U = 1;
  	MessageBoard(i , U);
  }
}

Ioi

#include "Ioi.h"

long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
  return 0LL;
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 55
• Subtask 5: 0 / 17