結果
問題 | No.319 happy b1rthday 2 me |
ユーザー | eitaho |
提出日時 | 2016-01-08 17:46:26 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 32 ms / 2,000 ms |
コード長 | 3,931 bytes |
コンパイル時間 | 4,759 ms |
コンパイル使用メモリ | 109,312 KB |
実行使用メモリ | 19,328 KB |
最終ジャッジ日時 | 2024-09-19 13:09:38 |
合計ジャッジ時間 | 2,977 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 27 ms
19,200 KB |
testcase_01 | AC | 28 ms
19,072 KB |
testcase_02 | AC | 28 ms
19,312 KB |
testcase_03 | AC | 29 ms
19,304 KB |
testcase_04 | AC | 28 ms
19,328 KB |
testcase_05 | AC | 29 ms
19,200 KB |
testcase_06 | AC | 27 ms
19,200 KB |
testcase_07 | AC | 27 ms
18,944 KB |
testcase_08 | AC | 29 ms
19,072 KB |
testcase_09 | AC | 28 ms
19,072 KB |
testcase_10 | AC | 28 ms
19,200 KB |
testcase_11 | AC | 28 ms
19,328 KB |
testcase_12 | AC | 29 ms
19,328 KB |
testcase_13 | AC | 27 ms
18,944 KB |
testcase_14 | AC | 27 ms
19,328 KB |
testcase_15 | AC | 27 ms
19,072 KB |
testcase_16 | AC | 28 ms
19,328 KB |
testcase_17 | AC | 28 ms
19,172 KB |
testcase_18 | AC | 28 ms
19,048 KB |
testcase_19 | AC | 29 ms
19,308 KB |
testcase_20 | AC | 29 ms
19,072 KB |
testcase_21 | AC | 30 ms
19,300 KB |
testcase_22 | AC | 28 ms
18,916 KB |
testcase_23 | AC | 30 ms
19,172 KB |
testcase_24 | AC | 29 ms
19,176 KB |
testcase_25 | AC | 29 ms
19,176 KB |
testcase_26 | AC | 29 ms
19,172 KB |
testcase_27 | AC | 28 ms
19,300 KB |
testcase_28 | AC | 30 ms
19,176 KB |
testcase_29 | AC | 29 ms
19,180 KB |
testcase_30 | AC | 29 ms
19,176 KB |
testcase_31 | AC | 30 ms
19,304 KB |
testcase_32 | AC | 32 ms
19,164 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.IO; using System.Linq; using System.Text; using System.Collections.Generic; using System.Diagnostics; using System.Numerics; using Enu = System.Linq.Enumerable; class Program { public void Solve() { string A = Reader.String(), B = Reader.String(); long ans = Count(B); ans -= Count((long.Parse(A) - 1) + ""); if ((long.Parse(A) - 1).ToString().Last() == '1' && A[0] == '2') ans--; Console.WriteLine(ans); } private long Count(string S) { var A = S.Select(c => c - '0').ToArray(); int len = A.Length; long res = 0; var dp = new long[len + 1, 2, 10, 10, len]; // index, smaller, firstDigit, lastDigit, count dp[0, 0, 0, 0, 0] = 1; for (int i = 0; i < len; i++) for (int smaller = 0; smaller < 2; smaller++) for (int first = 0; first <= 9; first++) for (int last = 0; last <= 9; last++) for (int used = 0; used < len; used++) { long nums = dp[i, smaller, first, last, used]; if (nums == 0) continue; for (int d = 0; d <= 9; d++) { if (smaller == 0 && d > A[i]) continue; int nextSmaller = smaller | (d < A[i] ? 1 : 0); int nextFirst = (first > 0) ? first : d; int nextUsed = used + (last == 1 && d == 2 ? 1 : 0); dp[i + 1, nextSmaller, nextFirst, d, nextUsed] += nums; if (i == len - 1 && nextSmaller == 1 && first == 2 && d == 1) res += nums; } } for (int used = 1; used < len; used++) for (int first = 0; first <= 9; first++) for (int last = 0; last <= 9; last++) res += used * (dp[len, 0, first, last, used] + dp[len, 1, first, last, used]); if (long.Parse(S) >= 2) res++; // 1->2 return res; } } class Entry { static void Main() { new Program().Solve(); } } class Reader { private static TextReader reader = Console.In; private static readonly char[] separator = { ' ' }; private static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries; private static string[] A = new string[0]; private static int i; private static void Init() { A = new string[0]; } public static void Set(TextReader r) { reader = r; Init(); } public static void Set(string file) { reader = new StreamReader(file); Init(); } public static bool HasNext() { return CheckNext(); } public static string String() { return Next(); } public static int Int() { return int.Parse(Next()); } public static long Long() { return long.Parse(Next()); } public static double Double() { return double.Parse(Next()); } public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); } public static int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); } public static int[][] IntTable(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); } public static string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Next()).ToArray(); } public static string Line() { return reader.ReadLine().Trim(); } private static string[] Split(string s) { return s.Split(separator, op); } private static string Next() { CheckNext(); return A[i++]; } private static bool CheckNext() { if (i < A.Length) return true; string line = reader.ReadLine(); if (line == null) return false; if (line == "") return CheckNext(); A = Split(line); i = 0; return true; } }