Submission #499708

#	Time	Username	Problem	Language	Result	Execution time	Memory
499708		sidon	친구 (IOI14_friend)	C++17	16 / 100	1 ms	300 KiB

friend

#include "friend.h"

int findSample(int n, int c[], int h[], int p[]) {
	for(int i = n; --i; ) {
		if(p[i] == 0) c[h[i]] -= c[i], c[n] += c[i];
		if(p[i] == 1) c[h[i]] += c[i];
		if(p[i] == 2 && c[i] > c[h[i]]) c[h[i]] = c[i];
	}
	return (c[0] > 0 ? c[0] : 0) + c[n];
}

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