Submission #422273

#	Time	Username	Problem	Language	Result	Execution time	Memory
422273		dreezy	Friend (IOI14_friend)	C++17	0 / 100	1 ms	204 KiB

friend

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


/*******************/
#define pi pair<int,int>
#define ll long long
#define f first
#define s second
#define pb push_back

int findSample(int n,int confidence[],int host[],int protocol[]){
	
	
	vector<bool> col(n,0);
	//col[0] = 1;
	
	
	for(int i =1; i<n; i++){

		if(protocol[i] == 1){
			col[i] = col[host[i]];
			//cout << i <<", "<<host[i]<<endl;
		}
		else if(protocol[i] == 0){
			col[i] = !col[host[i]];
		}
	}
	int ans1=0, ans0=0;
	for(int i =0; i<n; i++){
		if(col[i]) ans1++;
		else ans0++;
	}
	
	return max(ans1, ans0);
}

/*******************/

• Subtask 1: 0 / 11
• Subtask 2: 0 / 8
• Subtask 3: 0 / 8
• Subtask 4: 0 / 19
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31