Submission #369162

#	Time	Username	Problem	Language	Result	Execution time	Memory
369162		NachoLibre	Friend (IOI14_friend)	C++17	100 / 100	31 ms	3436 KiB

friend

#include <bits/stdc++.h>
using namespace std;
#define sz(a) ((int)(a).size())
typedef vector<int> vint;
typedef vector<vint> vvint;
#ifndef wambule
#include "friend.h"
#else
#endif

int findSample(int n, int cfd[], int hst[], int ptc[]) {
	int x[n], y[n];
	for(int i = 0; i < n; ++i) {
		x[i] = cfd[i];
		y[i] = 0;
	}
	for(int i = n - 1; i > 0; --i) {
		int j = hst[i];
		if(ptc[i] == 0) {
			x[j] += y[i];
			y[j] += max(x[i], y[i]);
		} else if(ptc[i] == 1) {
			x[j] = max(x[i] + x[j], max(x[i] + y[j], y[i] + x[j]));
			y[j] += y[i];
		} else {
			x[j] = max(x[i] + y[j], y[i] + x[j]);
			y[j] += y[i];
		}
	}
	return max(x[0], y[0]);
}

#ifdef wambule
int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	return 0;
}
#endif

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