結果
問題 | No.265 数学のテスト |
ユーザー | くれちー |
提出日時 | 2017-07-26 14:00:50 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 39 ms / 2,000 ms |
コード長 | 3,884 bytes |
コンパイル時間 | 881 ms |
コンパイル使用メモリ | 115,700 KB |
実行使用メモリ | 31,648 KB |
最終ジャッジ日時 | 2024-11-24 11:34:58 |
合計ジャッジ時間 | 2,845 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
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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 | 28 ms
28,564 KB |
testcase_01 | AC | 36 ms
30,540 KB |
testcase_02 | AC | 39 ms
31,648 KB |
testcase_03 | AC | 34 ms
29,576 KB |
testcase_04 | AC | 34 ms
31,504 KB |
testcase_05 | AC | 37 ms
29,716 KB |
testcase_06 | AC | 33 ms
29,464 KB |
testcase_07 | AC | 35 ms
31,500 KB |
testcase_08 | AC | 38 ms
31,256 KB |
testcase_09 | AC | 35 ms
31,396 KB |
testcase_10 | AC | 35 ms
29,452 KB |
testcase_11 | AC | 37 ms
29,712 KB |
testcase_12 | AC | 30 ms
25,508 KB |
testcase_13 | AC | 29 ms
27,284 KB |
testcase_14 | AC | 29 ms
25,316 KB |
testcase_15 | AC | 24 ms
24,108 KB |
testcase_16 | AC | 27 ms
25,304 KB |
testcase_17 | AC | 27 ms
25,336 KB |
testcase_18 | AC | 23 ms
26,344 KB |
testcase_19 | AC | 27 ms
27,288 KB |
testcase_20 | AC | 27 ms
25,112 KB |
testcase_21 | AC | 24 ms
24,044 KB |
testcase_22 | AC | 29 ms
25,440 KB |
testcase_23 | AC | 28 ms
23,348 KB |
testcase_24 | AC | 25 ms
24,192 KB |
testcase_25 | AC | 30 ms
25,428 KB |
testcase_26 | AC | 25 ms
23,604 KB |
testcase_27 | AC | 28 ms
25,260 KB |
testcase_28 | AC | 27 ms
27,288 KB |
testcase_29 | AC | 27 ms
25,380 KB |
testcase_30 | AC | 29 ms
25,320 KB |
testcase_31 | AC | 26 ms
25,488 KB |
testcase_32 | AC | 26 ms
27,496 KB |
testcase_33 | AC | 26 ms
25,452 KB |
testcase_34 | AC | 23 ms
26,248 KB |
testcase_35 | AC | 26 ms
23,092 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.IO; using System.Linq; using System.Numerics; using System.Text; using static System.Console; using static System.Convert; using static System.Math; using static Extentions; class IO { int idx; string[] input; public IO(TextReader reader) { input = reader.ReadToEnd().Split(new[] { " ", "\n", "\r" }, StringSplitOptions.RemoveEmptyEntries); } T Get<T>(Func<string, T> parser) => parser(input[idx++]); public string S => Get(s => s); public char C => Get(char.Parse); public int I => Get(int.Parse); public long L => Get(long.Parse); public double F => Get(double.Parse); public decimal D => Get(decimal.Parse); public BigInteger B => Get(BigInteger.Parse); T[] Gets<T>(int n, Func<string, T> parser) => input.Skip((idx += n) - n).Take(n).Select(parser).ToArray(); public string[] Ss(int n) => Gets(n, s => s); public char[] Cs(int n) => Gets(n, char.Parse); public int[] Is(int n) => Gets(n, int.Parse); public long[] Ls(int n) => Gets(n, long.Parse); public double[] Fs(int n) => Gets(n, double.Parse); public decimal[] Ds(int n) => Gets(n, decimal.Parse); public BigInteger[] Bs(int n) => Gets(n, BigInteger.Parse); public void Write<T>(params T[] xs) => WriteLine(string.Join(" ", xs)); public void Write(params object[] xs) => WriteLine(string.Join(" ", xs)); } static class Extentions { } class Interpreter { readonly int d; public Interpreter(int d) { this.d = d + 1; } public long[] Interpret(string str) { var idx = 0; return Expr1(str + " ", ref idx); } // <expr1> ::= <expr2> [ "+" <expr2> ]* // <expr2> ::= <expr3> [ "*" <expr3> ]* // <expr3> ::= <expr4> | "d{" <expr1> "}" // <expr4> ::= <digit> | "x" long[] Expr1(string str, ref int idx) { var deg = Expr2(str, ref idx); while (str[idx] == '+') { idx++; deg = Add(deg, Expr2(str, ref idx)); } return deg; } long[] Expr2(string str, ref int idx) { var deg = Expr3(str, ref idx); while (str[idx] == '*') { idx++; deg = Mul(deg, Expr3(str, ref idx)); } return deg; } long[] Expr3(string str, ref int idx) { if (str[idx] == 'd') { idx += 2; var deg = Expr1(str, ref idx); idx += 1; return D(deg); } else return Expr4(str, ref idx); } long[] Expr4(string str, ref int idx) { var deg = new long[d]; if (str[idx] == 'x') { deg[1] = 1; idx++; return deg; } var val = 0; while (char.IsDigit(str[idx])) { val = val * 10 + (str[idx] - '0'); idx++; } deg[0] = val; return deg; } long[] Mul(long[] x, long[] y) { var deg = new long[d]; for (var i = 0; i < d; i++) for (var j = i; j < d; j++) deg[j] += x[i] * y[j - i]; return deg; } long[] Add(long[] x, long[] y) => x.Zip(y, (a, b) => a + b).ToArray(); long[] D(long[] x) { var deg = new long[d]; for (var i = 1; i < d; i++) deg[i - 1] = x[i] * i; return deg; } } static class Program { public static void Main() { var sw = new StreamWriter(OpenStandardOutput()) { NewLine = "\n" }; #if DEBUG sw.AutoFlush = true; #else sw.AutoFlush = false; #endif SetOut(sw); Solve(new IO(In)); Out.Flush(); } static void Solve(IO io) { var n = io.I; var d = io.I; var s = io.S; io.Write(new Interpreter(d).Interpret(s)); } }