結果

問題 No.315 世界のなんとか3.5
ユーザー eitahoeitaho
提出日時 2015-12-08 01:44:56
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 828 ms / 2,000 ms
コード長 4,988 bytes
コンパイル時間 1,079 ms
コンパイル使用メモリ 118,496 KB
実行使用メモリ 36,684 KB
最終ジャッジ日時 2024-09-14 19:00:25
合計ジャッジ時間 13,233 ms
ジャッジサーバーID
(参考情報)
judge6 / judge1
このコードへのチャレンジ
(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 32 ms
25,120 KB
testcase_01 AC 31 ms
27,284 KB
testcase_02 AC 58 ms
25,348 KB
testcase_03 AC 32 ms
25,248 KB
testcase_04 AC 33 ms
25,116 KB
testcase_05 AC 33 ms
25,116 KB
testcase_06 AC 39 ms
27,128 KB
testcase_07 AC 34 ms
27,160 KB
testcase_08 AC 32 ms
27,388 KB
testcase_09 AC 32 ms
25,376 KB
testcase_10 AC 32 ms
25,468 KB
testcase_11 AC 32 ms
23,092 KB
testcase_12 AC 235 ms
30,028 KB
testcase_13 AC 236 ms
28,372 KB
testcase_14 AC 397 ms
33,788 KB
testcase_15 AC 396 ms
31,616 KB
testcase_16 AC 402 ms
33,664 KB
testcase_17 AC 395 ms
33,920 KB
testcase_18 AC 234 ms
30,200 KB
testcase_19 AC 233 ms
30,076 KB
testcase_20 AC 232 ms
30,436 KB
testcase_21 AC 228 ms
28,388 KB
testcase_22 AC 397 ms
31,748 KB
testcase_23 AC 390 ms
33,664 KB
testcase_24 AC 392 ms
31,732 KB
testcase_25 AC 392 ms
33,532 KB
testcase_26 AC 388 ms
31,612 KB
testcase_27 AC 391 ms
33,656 KB
testcase_28 AC 389 ms
33,788 KB
testcase_29 AC 734 ms
34,764 KB
testcase_30 AC 736 ms
34,896 KB
testcase_31 AC 736 ms
36,560 KB
testcase_32 AC 755 ms
36,684 KB
testcase_33 AC 401 ms
33,680 KB
testcase_34 AC 828 ms
33,560 KB
testcase_35 AC 784 ms
36,684 KB
権限があれば一括ダウンロードができます
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

diff #
プレゼンテーションモードにする

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
{
static readonly int Mod = (int)1e9 + 7;
void Add(ref int a, int b) { if ((a += b) >= Mod) a -= Mod; }
public void Solve()
{
string SA = Reader.String(), SB = Reader.String(), C = Reader.String();
int[] B = SB.Select(c => c - '0').ToArray();
int[] A = SA.Select(c => c - '0').ToArray();
for (int i = A.Length - 1; i >= 0; i--)
{
if (A[i]-- > 0) break;
else A[i] = 9;
}
if (A[0] == 0 && A.Length > 1) A = A.Skip(1).ToArray();
Console.WriteLine((Count(B, C) - Count(A, C) + Mod) % Mod);
}
private int Count(int[] A, string C)
{
int res = 0;
int tail = A.Length - C.Length - 2;
if (tail <= 0)
{
int N = 0;
for (int i = 0; i < A.Length; i++) N = N * 10 + A[i];
int X = int.Parse(C);
for (int i = 0; i <= N; i++)
if ((i % 3 == 0 || (i + "").IndexOf('3') >= 0) && i % X != 0)
res++;
return res;
}
var dp = DP(A, tail);
var dp1 = dp.Item1;
var dp2 = dp.Item2;
string sub = "";
for (int i = tail; i < tail + 3; i++)
if (i >= 0) sub += A[i];
int to = int.Parse(sub);
for (int mod = 0; mod < 3; mod++)
for (int has3 = 0; has3 < 2; has3++)
for (int less = 0; less < 2; less++)
{
if (mod == 0 || has3 == 1)
Add(ref res, dp1[mod, has3, less]);
for (int last = 0; last < 1000; last += 8)
{
if (last > to && less == 0) break;
if ((mod + last) % 3 == 0 || has3 == 1 || (last + "").IndexOf('3') >= 0)
res = (res + Mod - dp2[mod, has3, less]) % Mod;
}
}
return res;
}
private Tuple<int[, ,], int[, ,]> DP(int[] A, int tail)
{
var dp = new int[3, 2, 2];
var res2 = new int[3, 2, 2];
dp[0, 0, 0] = 1;
res2[0, 0, 0] = 1;
for (int i = 0; i < A.Length; i++)
{
if (i == tail) res2 = (int[, ,])dp.Clone();
var nextdp = new int[3, 2, 2];
for (int mod = 0; mod < 3; mod++)
for (int has3 = 0; has3 < 2; has3++)
for (int less = 0; less < 2; less++)
if (dp[mod, has3, less] > 0)
for (int d = 0; d <= 9; d++)
{
if (less == 0 && d > A[i]) break;
int nextmod = (mod + d) % 3;
int nexthas3 = has3 | (d == 3 ? 1 : 0);
int nextless = less | (d < A[i] ? 1 : 0);
Add(ref nextdp[nextmod, nexthas3, nextless], dp[mod, has3, less]);
}
dp = nextdp;
}
return Tuple.Create(dp, res2);
}
}
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;
}
}
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