Submission #59554

#	Time	Username	Problem	Language	Result	Execution time	Memory
59554		radoslav11	Friend (IOI14_friend)	C++14	100 / 100	75 ms	6096 KiB

friend

#include <bits/stdc++.h>
#include "friend.h"
//#include "Lgrader.cpp"

using namespace std;
template<class T, class T2> inline int chkmax(T &x, const T2 &y) { return x < y ? x = y, 1 : 0; }
template<class T, class T2> inline int chkmin(T &x, const T2 &y) { return x > y ? x = y, 1 : 0; }
const int MAXN = (1 << 20);

int findSample(int n, int confidence[], int host[], int protocol[])
{
	int ans = 0;
	for(int i = n - 1; i >= 1; i--)
	{
		if(protocol[i] == 2) chkmax(confidence[host[i]], confidence[i]);
		else if(protocol[i] == 1) confidence[host[i]] += confidence[i];
		else
		{
			int value = confidence[i];
			ans += value;
			confidence[host[i]] -= value; 
			chkmax(confidence[host[i]], 0);
		}
	}
		
	return ans + 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