Submission #16057

#	Time	Username	Problem	Language	Result	Execution time	Memory
16057		tonyjjw	Computer Network (BOI14_network)	C++14	100 / 100	161 ms	5220 KiB

network

#include<vector>
#include "network.h"
#define MN 1000
  
using namespace std;
  
vector<int> A[MN+1];
int d[MN+1];
  
void findRoute(int N,int a,int b){
  for(int i=1;i<=N;i++){
    if(i!=b){
	    d[i]=ping(i,b)+1;
    }
    else{
    	d[i]=0;
    }
    A[d[i]].push_back(i);
  }
  while(a!=b){
    for(auto n:A[d[a]-1]){
      if(ping(a,n)==0){
        travelTo(n);
        a=n;
        break;
      }
    }
  }
}

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 25 / 25