제출 #1064103

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1064103		wood	친구 (IOI14_friend)	C++17	0 / 100	1 ms	348 KiB

friend

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

// Find out best sample

void getdp(int i, vector<int> children[], int n, int dp[][2], int confidence[]){
	dp[i][0] = dp[i][1] = 0;
	if(children[i].empty()) {
		dp[i][1] = confidence[i];
		return;
	}
	for(int x : children[i]){
		getdp(x,children,n,dp,confidence);
		dp[i][0]+=dp[x][1];
		dp[i][1]+=dp[x][0];
	}
}

int findSample(int n,int confidence[],int host[],int protocol[]){
	int dp[n][2];
	vector<int> children[n];
	for(int i = 1; i<n; i++)
		children[host[i]].pb(i);
	getdp(0,children,n,dp,confidence);
	return max(dp[0][0],dp[0][1]);
}

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