Submission #404193

#	Time	Username	Problem	Language	Result	Execution time	Memory
404193		Kenzo_1114	Friend (IOI14_friend)	C++17	8 / 100	2 ms	332 KiB

friend

#include<bits/stdc++.h>
#include"friend.h"
using namespace std;
const int MAXN = 100010;

int n, c[MAXN], h[MAXN], p[MAXN];

/*
	0 : IAmYourFriend
	1 : MyFriendsAreYourFriends
	2 : WeAreYourFriends
*/

int color[MAXN];

int task5()
{
	for(int i = 1; i < n; i++)
	{
		int a = h[i];
		int b = i;

		if(p[i] == 0)	color[b] = !color[a];
		else	color[b] = color[a];	
	}	

	int ans[2] = {0, 0};
	for(int i = 0; i < n; i++)
		ans[color[i]] += c[i];

	return max(ans[0], ans[1]);
}

int findSample(int N, int Confidence[], int Host[], int Protocol[])
{
	n = N;
	for(int i = 0; i < N; i++)	c[i] = Confidence[i];
	for(int i = 0; i < N; i++)	h[i] = Host[i];
	for(int i = 0; i < N; i++)	p[i] = Protocol[i];

	return task5();
}

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