結果
問題 | No.915 Plus Or Multiple Operation |
ユーザー | EmKjp |
提出日時 | 2019-10-25 21:43:24 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 24 ms / 2,000 ms |
コード長 | 4,547 bytes |
コンパイル時間 | 884 ms |
コンパイル使用メモリ | 108,544 KB |
実行使用メモリ | 18,176 KB |
最終ジャッジ日時 | 2024-04-24 18:34:20 |
合計ジャッジ時間 | 1,688 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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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 | 22 ms
18,048 KB |
testcase_01 | AC | 22 ms
18,048 KB |
testcase_02 | AC | 21 ms
17,920 KB |
testcase_03 | AC | 20 ms
17,920 KB |
testcase_04 | AC | 20 ms
17,920 KB |
testcase_05 | AC | 20 ms
18,176 KB |
testcase_06 | AC | 21 ms
18,048 KB |
testcase_07 | AC | 21 ms
18,048 KB |
testcase_08 | AC | 20 ms
18,176 KB |
testcase_09 | AC | 21 ms
17,920 KB |
testcase_10 | AC | 24 ms
18,176 KB |
testcase_11 | AC | 23 ms
18,176 KB |
testcase_12 | AC | 22 ms
18,176 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; using E = System.Linq.Enumerable; internal partial class Solver { public void Run() { var q = ni(); for (int _ = 0; _ < q; _++) { var a = ni(); var b = ni(); var c = ni(); cout.WriteLine(Math.Max(-1, Solve(a, c) * b)); } } private long Solve(int a, int c) { if (c == 1) return -1; if (a == 0) return 0; if (a <= c - 1) return 1; var div = a / c; var rem = a % c; long result = 0; if (rem > 0) result += 1; result += Solve(div, c) + 1; if (c > 1) { result = Math.Min(result, (a - 1) / (c - 1) + 1); } return result; } } // PREWRITEN CODE BEGINS FROM HERE internal partial class Solver : Scanner { public static void Main(string[] args) { #if LOCAL new Solver(Console.In, Console.Out).Run(); #else Console.SetOut(new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }); new Solver(Console.In, Console.Out).Run(); Console.Out.Flush(); #endif } #pragma warning disable IDE0052 private readonly TextReader cin; private readonly TextWriter cout; #pragma warning restore IDE0052 public Solver(TextReader reader, TextWriter writer) : base(reader) { cin = reader; cout = writer; } public Solver(string input, TextWriter writer) : this(new StringReader(input), writer) { } #pragma warning disable IDE1006 #pragma warning disable IDE0051 private int ni() { return NextInt(); } private int[] ni(int n) { return NextIntArray(n); } private long nl() { return NextLong(); } private long[] nl(int n) { return NextLongArray(n); } private double nd() { return NextDouble(); } private double[] nd(int n) { return NextDoubleArray(n); } private string ns() { return Next(); } private string[] ns(int n) { return NextArray(n); } #pragma warning restore IDE1006 #pragma warning restore IDE0051 } internal static class LinqPadExtension { public static T Dump<T>(this T obj) { #if LOCAL return LINQPad.Extensions.Dump(obj); #else return obj; #endif } } public class Scanner { private readonly TextReader Reader; private readonly Queue<string> TokenQueue = new Queue<string>(); private readonly CultureInfo ci = CultureInfo.InvariantCulture; public Scanner() : this(Console.In) { } public Scanner(TextReader reader) { Reader = reader; } public int NextInt() { return int.Parse(Next(), ci); } public long NextLong() { return long.Parse(Next(), ci); } public double NextDouble() { return double.Parse(Next(), ci); } public string[] NextArray(int size) { string[] array = new string[size]; for (int i = 0; i < size; i++) { array[i] = Next(); } return array; } public int[] NextIntArray(int size) { int[] array = new int[size]; for (int i = 0; i < size; i++) { array[i] = NextInt(); } return array; } public long[] NextLongArray(int size) { long[] array = new long[size]; for (int i = 0; i < size; i++) { array[i] = NextLong(); } return array; } public double[] NextDoubleArray(int size) { double[] array = new double[size]; for (int i = 0; i < size; i++) { array[i] = NextDouble(); } 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 static readonly char[] _separator = new[] { ' ', '\t' }; private bool StockTokens() { while (true) { string line = Reader.ReadLine(); if (line == null) { return false; } string[] tokens = line.Split(_separator, StringSplitOptions.RemoveEmptyEntries); if (tokens.Length == 0) { continue; } foreach (string token in tokens) { TokenQueue.Enqueue(token); } return true; } } }