結果
| 問題 |
No.386 貪欲な領主
|
| コンテスト | |
| ユーザー |
14番
|
| 提出日時 | 2016-07-12 02:49:03 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 4,230 bytes |
| コンパイル時間 | 1,233 ms |
| コンパイル使用メモリ | 108,928 KB |
| 実行使用メモリ | 411,236 KB |
| 最終ジャッジ日時 | 2024-10-14 14:10:58 |
| 合計ジャッジ時間 | 4,943 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 4 TLE * 1 -- * 11 |
コンパイルメッセージ
Microsoft (R) Visual C# Compiler version 3.9.0-6.21124.20 (db94f4cc) Copyright (C) Microsoft Corporation. All rights reserved.
ソースコード
using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
class Program
{
public void Proc()
{
Reader.IsDebug = false;
int muraCount = int.Parse(Reader.ReadLine());
this.MuraList = new TreeNode[muraCount];
for(int i=0; i<muraCount; i++) {
this.MuraList[i] = new TreeNode(i);
}
Dictionary<int, Dictionary<int, bool>> road = new Dictionary<int, Dictionary<int, bool>>();
for(int i=0; i<muraCount-1; i++) {
int[] inpt = Reader.ReadLine().Split(' ').Select(a=>int.Parse(a)).ToArray();
if(!road.ContainsKey(inpt[0])) {
road.Add(inpt[0], new Dictionary<int, bool>());
}
road[inpt[0]].Add(inpt[1], true);
if(!road.ContainsKey(inpt[1])) {
road.Add(inpt[1], new Dictionary<int, bool>());
}
road[inpt[1]].Add(inpt[0], true);
}
for(int i=0; i<muraCount; i++) {
int tax = int.Parse(Reader.ReadLine());
this.MuraList[i].Tax = tax;
}
this.SetTree(0, road);
int gyosyoCount = int.Parse(Reader.ReadLine());
long ans = 0;
for(int i=0; i<gyosyoCount; i++) {
int[] inpt = Reader.ReadLine().Split(' ').Select(a=>int.Parse(a)).ToArray();
long tax = this.GetTax(inpt[0], inpt[1]);
tax *= inpt[2];
ans += tax;
}
Console.WriteLine(ans);
}
private Dictionary<int, Dictionary<int, int>> taxDic = new Dictionary<int, Dictionary<int, int>>();
private int GetTax(int fromId, int toId) {
if(!this.taxDic.ContainsKey(fromId)) {
this.taxDic.Add(fromId, new Dictionary<int, int>());
}
if(!this.taxDic.ContainsKey(toId)) {
this.taxDic.Add(toId, new Dictionary<int, int>());
}
if(this.taxDic[fromId].ContainsKey(toId)) {
return this.taxDic[fromId][toId];
}
int ans = 0;
if(fromId == toId) {
ans = this.MuraList[fromId].Tax;
} else {
TreeNode fromMura = this.MuraList[fromId];
TreeNode toMura = this.MuraList[toId];
if(fromMura.Depth > toMura.Depth) {
ans = this.GetTax(fromMura.Parent.NodeId, toId) + fromMura.Tax;
} else {
ans = this.GetTax(fromId, toMura.Parent.NodeId) + toMura.Tax;
}
}
this.taxDic[fromId].Add(toId, ans);
if(fromId != toId) {
this.taxDic[toId].Add(fromId, ans);
}
return ans;
}
private void SetTree(int current, Dictionary<int, Dictionary<int, bool>> dic) {
TreeNode node = this.MuraList[current];
dic[current].Keys.ToList().ForEach(a=>{
if(node.Parent == null || node.Parent.NodeId != a) {
node.AddItem(this.MuraList[a]);
}
});
node.Items.ForEach(a=>SetTree(a.NodeId, dic));
}
private TreeNode[] MuraList;
public class TreeNode {
public int NodeId = 0;
public int Depth = 0;
public TreeNode Parent;
public List<TreeNode> Items = new List<TreeNode>();
public int Tax = 0;
public TreeNode AddItem(TreeNode newChild) {
newChild.Parent = this;
this.Items.Add(newChild);
newChild.Depth = this.Depth + 1;
return newChild;
}
public TreeNode(int id) {
this.NodeId = id;
}
}
public class Reader
{
public static bool IsDebug = true;
private static String PlainInput = @"
2
0 1
11
7
2
0 1 3
1 0 2
";
private static System.IO.StringReader Sr = null;
public static string ReadLine()
{
if (IsDebug)
{
if (Sr == null)
{
Sr = new System.IO.StringReader(PlainInput.Trim());
}
return Sr.ReadLine();
}
else
{
return Console.ReadLine();
}
}
}
static void Main()
{
Program prg = new Program();
prg.Proc();
}
}
14番