Submission #399899

#	Time	Username	Problem	Language	Result	Execution time	Memory
399899		Jasiekstrz	Friend (IOI14_friend)	C++17	100 / 100	33 ms	2628 KiB

friend

#include "friend.h"
#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
int findSample(int n,int confidence[],int host[],int protocol[])
{
	int ans=0;
	for(int i=n-1;i>0;i--)
	{
		confidence[i]=max(confidence[i],0);
		if(protocol[i]==0) // I
		{
			ans+=confidence[i];
			confidence[host[i]]-=confidence[i];
		}
		else if(protocol[i]==1) // My
		{
			confidence[host[i]]=max(confidence[host[i]],0);
			confidence[host[i]]+=confidence[i];
		}
		else if(protocol[i]==2) // We
		{
			confidence[host[i]]=max(confidence[host[i]],confidence[i]);
		}
	}
	return ans+max(0,confidence[0]);
}

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