Submission #73276

#	Time	Username	Problem	Language	Result	Execution time	Memory
73276		nvmdava	Friend (IOI14_friend)	C++17	19 / 100	4 ms	972 KiB

friend

#include "friend.h"
#include<bits/stdc++.h>
using namespace std;

vector<int> p[1001];
int ans[1001][2];

inline void go(int v){
	for(auto x : p[v]){
		go(x);
		ans[v][0] += max(ans[x][1], ans[x][0]);
		ans[v][1] += ans[x][0];
	}
}

int findSample(int n,int confidence[],int host[],int protocol[]){
	
	ans[0][1] = confidence[0];
	for(int i = 1; i < n; i++){
		p[host[i]].push_back(i);
		ans[i][1] = confidence[i];
	}
	go(0);
	return max(ans[0][0], ans[0][1]);
}

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