Submission #369101

#	Time	Username	Problem	Language	Result	Execution time	Memory
369101		NachoLibre	Friend (IOI14_friend)	C++17	0 / 100	1073 ms	384 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 dr = 0;
	vector<int> v[n];
	for(int i = 1; i < n; ++i) {
		if(ptc[i] == 0 || ptc[i] == 2) {
			v[i].push_back(hst[i]);
		}
		if(ptc[i] == 1 || ptc[i] == 2) {
			for(int x : v[hst[i]]) {
				v[i].push_back(x);
			}
		}
	}
	for(int b = 1; b < (1 << n); ++b) {
		bool ms = 1;
		int x = 0;
		for(int i = 0; i < n; ++i) {
			if(b & (1 << i)) {
				x += cfd[i];
				for(int y : v[i]) {
					if(b & (1 << y)) {
						ms = 0;
						break;
					}
				}
			}
			if(!ms) break;
		}
		if(ms) dr = max(dr, x);
	}
	return dr;
}

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

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