Submission #254619

#	Time	Username	Problem	Language	Result	Execution time	Memory
254619		b00n0rp	Friend (IOI14_friend)	C++17	100 / 100	36 ms	1408 KiB

friend

#include "friend.h"
#define m(a,b) a>b?a:b
int a,i;
int findSample(int n,int c[],int h[],int p[]){
	for(i=n-1;i>0;i--){
		if(!p[i]) a+=c[i],c[h[i]]=m(0,c[h[i]]-c[i]);
		else (p[i]-2)?c[h[i]]+=c[i]:c[h[i]]=m(c[h[i]],c[i]);
	}
	return a+c[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