Submission #922015

#	Time	Username	Problem	Language	Result	Execution time	Memory
922015		Macker	Friend (IOI14_friend)	C++14	16 / 100	1 ms	604 KiB

friend

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

using namespace std;
typedef long long ll;
#define all(v) v.begin(), v.end()
// Find out best sample
int findSample(int n,int confidence[],int host[],int protocol[]){
	bool no0 = 1, no1 = 1, no2 = 1;
	for (int i = 1; i < n; i++) {
		if(protocol[i] == 0) no0 = false;
		if(protocol[i] == 1) no1 = false;
		if(protocol[i] == 2) no2 = false;
	}
	if(no0 && no2){ // no edges
		int res = 0;
		for (int i = 0; i < n; i++) {
			res += confidence[i];
		}
		return res;
	}
	if(no0 && no1){ // fully conected
		int res = 0;
		for (int i = 0; i < n; i++) {
			res = max(res, confidence[i]);
		}
		return res;
	}
	if(no1 && no2){ // tree

	}
	if(n <= 15){ // brute force

	}
	return -1;
}

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