Submission #16252

#	Time	Username	Problem	Language	Result	Execution time	Memory
16252		atomzeno	친구 (IOI14_friend)	C++98	100 / 100	43 ms	2644 KiB

friend

#include "friend.h"
#define MX 100001
int D[MX],cnt;
// Find out best sample
int findSample(int n,int confidence[],int host[],int protocol[]){
	int i;
	for(i=n;i>=0;i--){D[i]=confidence[i];}
    for(i=n-1;i>=1;i--){
        if(protocol[i]==0){
            cnt+=D[i];
            D[host[i]]-=D[i];
            D[host[i]]=D[host[i]]>0?D[host[i]]:0;
            D[i]=0;
        }
        if(protocol[i]==1){
            D[host[i]]+=D[i];
            D[i]=0;
        }
        if(protocol[i]==2){
            D[host[i]]=D[host[i]]>D[i]?D[host[i]]:D[i];
            D[i]=0;
        }
    }
    return cnt+D[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