結果
問題 | No.831 都市めぐり |
ユーザー | EmKjp |
提出日時 | 2019-05-24 21:53:22 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 33 ms / 2,000 ms |
コード長 | 3,991 bytes |
コンパイル時間 | 883 ms |
コンパイル使用メモリ | 110,672 KB |
実行使用メモリ | 26,016 KB |
最終ジャッジ日時 | 2024-09-17 10:37:15 |
合計ジャッジ時間 | 2,214 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
(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 | 26 ms
25,804 KB |
testcase_01 | AC | 26 ms
25,808 KB |
testcase_02 | AC | 25 ms
23,644 KB |
testcase_03 | AC | 26 ms
26,016 KB |
testcase_04 | AC | 26 ms
23,840 KB |
testcase_05 | AC | 26 ms
24,116 KB |
testcase_06 | AC | 26 ms
25,808 KB |
testcase_07 | AC | 26 ms
25,944 KB |
testcase_08 | AC | 26 ms
25,940 KB |
testcase_09 | AC | 26 ms
25,684 KB |
testcase_10 | AC | 26 ms
23,640 KB |
testcase_11 | AC | 26 ms
25,888 KB |
testcase_12 | AC | 26 ms
24,108 KB |
testcase_13 | AC | 27 ms
25,888 KB |
testcase_14 | AC | 26 ms
23,896 KB |
testcase_15 | AC | 28 ms
23,776 KB |
testcase_16 | AC | 27 ms
23,768 KB |
testcase_17 | AC | 29 ms
23,772 KB |
testcase_18 | AC | 31 ms
23,764 KB |
testcase_19 | AC | 33 ms
26,016 KB |
testcase_20 | AC | 33 ms
23,968 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.Generic; using System.Globalization; using System.IO; using System.Linq; partial class Solver { public void Run() { var N = ni(); long ans = 0; if (N == 1) { } else { long lower = 2, upper = N; long left = 1, right = 1; while (lower <= upper) { // bigger for (int i = 0; i < 2 && lower <= upper; i++) { if (left > right) { ans += right * upper; right = upper; } else { ans += left * upper; left = upper; } upper--; } // smaller for (int i = 0; i < 2 && lower <= upper; i++) { if (left < right) { ans += right * lower; right = lower; } else { ans += left * lower; left = lower; } lower++; } } ans += left * right; } cout.WriteLine(ans); } } // PREWRITEN CODE BEGINS FROM HERE partial class Solver : Scanner { public static void Main(string[] args) { new Solver(Console.In, Console.Out).Run(); } TextReader cin; TextWriter cout; public Solver(TextReader reader, TextWriter writer) : base(reader) { this.cin = reader; this.cout = writer; } public Solver(string input, TextWriter writer) : this(new StringReader(input), writer) { } public int ni() { return NextInt(); } public int[] ni(int n) { return NextIntArray(n); } public long nl() { return NextLong(); } public long[] nl(int n) { return NextLongArray(n); } public double nd() { return NextDouble(); } public string ns() { return Next(); } } public class Scanner { private TextReader Reader; private Queue<String> TokenQueue = new Queue<string>(); private CultureInfo ci = CultureInfo.InvariantCulture; public Scanner() : this(Console.In) { } public Scanner(TextReader reader) { this.Reader = reader; } public int NextInt() { return Int32.Parse(Next(), ci); } public long NextLong() { return Int64.Parse(Next(), ci); } public double NextDouble() { return double.Parse(Next(), ci); } public string[] NextArray(int size) { var array = new string[size]; for (int i = 0; i < size; i++) array[i] = Next(); return array; } public int[] NextIntArray(int size) { var array = new int[size]; for (int i = 0; i < size; i++) array[i] = NextInt(); return array; } public long[] NextLongArray(int size) { var array = new long[size]; for (int i = 0; i < size; i++) array[i] = NextLong(); return array; } public String Next() { if (TokenQueue.Count == 0) { if (!StockTokens()) throw new InvalidOperationException(); } return TokenQueue.Dequeue(); } public bool HasNext() { if (TokenQueue.Count > 0) return true; return StockTokens(); } private bool StockTokens() { while (true) { var line = Reader.ReadLine(); if (line == null) return false; var tokens = line.Trim().Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries); if (tokens.Length == 0) continue; foreach (var token in tokens) TokenQueue.Enqueue(token); return true; } } }