結果
問題 | No.1049 Zero (Exhaust) |
ユーザー | keymoon |
提出日時 | 2020-05-08 21:34:37 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 302 ms / 2,000 ms |
コード長 | 2,890 bytes |
コンパイル時間 | 2,317 ms |
コンパイル使用メモリ | 106,096 KB |
実行使用メモリ | 23,960 KB |
最終ジャッジ日時 | 2023-09-17 02:01:51 |
合計ジャッジ時間 | 8,176 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge13 |
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 | 62 ms
21,828 KB |
testcase_01 | AC | 62 ms
21,896 KB |
testcase_02 | AC | 63 ms
21,980 KB |
testcase_03 | AC | 225 ms
23,904 KB |
testcase_04 | AC | 62 ms
21,788 KB |
testcase_05 | AC | 195 ms
23,916 KB |
testcase_06 | AC | 302 ms
21,828 KB |
testcase_07 | AC | 93 ms
23,876 KB |
testcase_08 | AC | 132 ms
21,848 KB |
testcase_09 | AC | 240 ms
21,960 KB |
testcase_10 | AC | 256 ms
21,908 KB |
testcase_11 | AC | 258 ms
21,856 KB |
testcase_12 | AC | 288 ms
21,960 KB |
testcase_13 | AC | 113 ms
23,960 KB |
testcase_14 | AC | 163 ms
22,044 KB |
testcase_15 | AC | 229 ms
23,760 KB |
testcase_16 | AC | 195 ms
21,772 KB |
testcase_17 | AC | 203 ms
21,832 KB |
testcase_18 | AC | 261 ms
21,900 KB |
testcase_19 | AC | 230 ms
21,768 KB |
testcase_20 | AC | 131 ms
21,936 KB |
testcase_21 | AC | 234 ms
21,788 KB |
testcase_22 | AC | 159 ms
21,880 KB |
testcase_23 | AC | 301 ms
23,936 KB |
testcase_24 | AC | 300 ms
21,880 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.Diagnostics; using System.IO; using System.Linq; using System.Numerics; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; using static System.Math; public static class P { public static void Main() { var pk = Console.ReadLine().Split().Select(long.Parse).ToArray(); var p = pk[0]; var k = pk[1]; ModInt zero = 1; ModInt nonZero = 0; for (int i = 0; i < k; i++) { var newZero = nonZero * 1 + zero * 1 + nonZero * 1 + zero * p; var newNonZero = nonZero * (p - 1) + zero * (p - 1) + nonZero * (p - 1); zero = newZero; nonZero = newNonZero; } Console.WriteLine(zero); } } struct ModInt { public const int Mod = 1000000007; const long POSITIVIZER = ((long)Mod) << 31; long Data; public ModInt(long data) { if ((Data = data % Mod) < 0) Data += Mod; } public static implicit operator long(ModInt modInt) => modInt.Data; public static implicit operator ModInt(long val) => new ModInt(val); public static ModInt operator +(ModInt a, int b) => new ModInt() { Data = (a.Data + b + POSITIVIZER) % Mod }; public static ModInt operator +(ModInt a, long b) => new ModInt(a.Data + b); public static ModInt operator +(ModInt a, ModInt b) { long res = a.Data + b.Data; return new ModInt() { Data = res >= Mod ? res - Mod : res }; } public static ModInt operator -(ModInt a, int b) => new ModInt() { Data = (a.Data - b + POSITIVIZER) % Mod }; public static ModInt operator -(ModInt a, long b) => new ModInt(a.Data - b); public static ModInt operator -(ModInt a, ModInt b) { long res = a.Data - b.Data; return new ModInt() { Data = res < 0 ? res + Mod : res }; } public static ModInt operator *(ModInt a, int b) => new ModInt(a.Data * b); public static ModInt operator *(ModInt a, long b) => a * new ModInt(b); public static ModInt operator *(ModInt a, ModInt b) => new ModInt() { Data = a.Data * b.Data % Mod }; public static ModInt operator /(ModInt a, ModInt b) => new ModInt() { Data = a.Data * GetInverse(b) % Mod }; public static bool operator ==(ModInt a, ModInt b) => a.Data == b.Data; public static bool operator !=(ModInt a, ModInt b) => a.Data != b.Data; public override string ToString() => Data.ToString(); public override bool Equals(object obj) => (ModInt)obj == this; public override int GetHashCode() => (int)Data; static long GetInverse(long a) { long div, p = Mod, x1 = 1, y1 = 0, x2 = 0, y2 = 1; while (true) { if (p == 1) return x2 + Mod; div = a / p; x1 -= x2 * div; y1 -= y2 * div; a %= p; if (a == 1) return x1 + Mod; div = p / a; x2 -= x1 * div; y2 -= y1 * div; p %= a; } } }