제출 #140307

#제출 시각아이디문제언어결과실행 시간메모리
140307ggoh친구 (IOI14_friend)C++14
100 / 100
37 ms2552 KiB
#include "friend.h"
#include<bits/stdc++.h>
// Find out best sample

int findSample(int n,int confidence[],int host[],int protocol[]){
	int ans=0;
	int i;
	for(i=n-1;i>0;i--)
	{
	    if(protocol[i]==0)
        {
            confidence[host[i]]-=confidence[i];
            if(confidence[host[i]]<0)confidence[host[i]]=0;
            ans+=confidence[i];
        }
        else if(protocol[i]==1)
        {
            confidence[host[i]]=confidence[host[i]]+confidence[i];
        }
        else if(protocol[i]==2)
        {
            confidence[host[i]]=std::max(confidence[host[i]],confidence[i]);
        }
	}

	return ans+confidence[0];
}
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