結果
問題 | No.17 2つの地点に泊まりたい |
ユーザー |
![]() |
提出日時 | 2016-03-31 17:40:33 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 66 ms / 5,000 ms |
コード長 | 4,225 bytes |
コンパイル時間 | 2,306 ms |
コンパイル使用メモリ | 107,392 KB |
実行使用メモリ | 18,816 KB |
最終ジャッジ日時 | 2024-10-15 01:33:51 |
合計ジャッジ時間 | 2,514 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
(要ログイン)
テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 31 ms
17,920 KB |
testcase_01 | AC | 29 ms
17,792 KB |
testcase_02 | AC | 28 ms
17,920 KB |
testcase_03 | AC | 29 ms
18,304 KB |
testcase_04 | AC | 31 ms
18,048 KB |
testcase_05 | AC | 46 ms
18,560 KB |
testcase_06 | AC | 39 ms
18,560 KB |
testcase_07 | AC | 34 ms
18,304 KB |
testcase_08 | AC | 63 ms
18,688 KB |
testcase_09 | AC | 66 ms
18,816 KB |
testcase_10 | AC | 37 ms
18,176 KB |
testcase_11 | AC | 45 ms
18,688 KB |
testcase_12 | AC | 28 ms
18,048 KB |
testcase_13 | AC | 26 ms
17,792 KB |
testcase_14 | AC | 28 ms
18,048 KB |
testcase_15 | AC | 27 ms
17,920 KB |
testcase_16 | AC | 27 ms
18,048 KB |
testcase_17 | AC | 29 ms
18,304 KB |
testcase_18 | AC | 28 ms
18,432 KB |
testcase_19 | AC | 29 ms
18,432 KB |
testcase_20 | AC | 28 ms
18,304 KB |
testcase_21 | AC | 28 ms
18,048 KB |
testcase_22 | AC | 29 ms
18,048 KB |
testcase_23 | AC | 44 ms
18,560 KB |
testcase_24 | AC | 43 ms
18,432 KB |
testcase_25 | AC | 28 ms
17,920 KB |
testcase_26 | AC | 54 ms
18,688 KB |
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; using System.Collections.Generic; using System.Text; public class Program { public void Proc() { Reader.IsDebug = false; int matiCount = int.Parse(Reader.ReadLine()); this.Taizaihi = new int[matiCount]; for(int i=0; i<matiCount; i++) { this.Taizaihi[i] = int.Parse(Reader.ReadLine()); } int roadCount = int.Parse(Reader.ReadLine()); for(int i=0; i<roadCount; i++) { int[] inpt = Reader.GetInt(); if(!road.ContainsKey(inpt[0])) { road.Add(inpt[0], new Dictionary<int, int>()); } road[inpt[0]].Add(inpt[1], inpt[2]); if(!road.ContainsKey(inpt[1])) { road.Add(inpt[1], new Dictionary<int, int>()); } road[inpt[1]].Add(inpt[0], inpt[2]); } int ans = int.MaxValue ; for(int i=1; i<matiCount - 1; i++) { for(int j=1; j<matiCount - 1; j++) { if(i != j) { int subTotal = 0; int cost1 = GetCost(0, i); int cost2 = GetCost(i, j); int cost3 = GetCost(j, matiCount - 1); if(cost1 >= 0 && cost2 >= 0 && cost3 >= 0) { subTotal = cost1 + cost2 + cost3 + Taizaihi[i] + Taizaihi[j]; ans = Math.Min(ans, subTotal); } } } } Console.WriteLine(ans); } Dictionary<int, Dictionary<int, int>> moveDic = new Dictionary<int, Dictionary<int, int>>(); private int GetCost(int fromMati, int toMati) { if(!moveDic.ContainsKey(fromMati)) { moveDic.Add(fromMati, new Dictionary<int, int>()); } if(moveDic[fromMati].ContainsKey(toMati)) { return moveDic[fromMati][toMati]; } Nullable<int>[] localDic = new Nullable<int>[this.Taizaihi.Length]; Queue<int> task = new Queue<int>(); task.Enqueue(fromMati); localDic[fromMati] = 0; while (task.Count> 0) { int pos = task.Dequeue(); if(this.road.ContainsKey(pos)) { foreach (int key in this.road[pos].Keys) { if(localDic[key] == null || localDic[key].Value > localDic[pos].Value + road[pos][key]) { localDic[key] = localDic[pos].Value + road[pos][key]; task.Enqueue(key); } } } } for(int i=0; i<localDic.Length; i++) { if(fromMati != i) { int val = -1; if(localDic[i] != null) { val = localDic[i].Value; } moveDic[fromMati][i] = val; if(!moveDic.ContainsKey(i)) { moveDic.Add(i, new Dictionary<int, int>()); moveDic[i][fromMati] = val; } } } return (localDic[toMati] == null)?(-1):(localDic[toMati].Value); } private Dictionary<int, Dictionary<int, int>> road = new Dictionary<int, Dictionary<int, int>>(); private int[] Taizaihi; public class Reader { private static String InitText = @" "; private static System.IO.StringReader sr = null; public static bool IsDebug = true; public static string ReadLine() { if(IsDebug) { if(sr == null) { sr = new System.IO.StringReader(InitText.Trim()); } return sr.ReadLine(); } else { return Console.ReadLine(); } } public static int[] GetInt(char delimiter = ' ') { string[] inpt = ReadLine().Split(delimiter); int[] ret = new int[inpt.Length]; for(int i=0; i<inpt.Length; i++) { ret[i] = int.Parse(inpt[i]); } return ret; } } public static void Main(string[] args) { Program prg = new Program(); prg.Proc(); } }