結果
| 問題 | No.612 Move on grid |
| コンテスト | |
| ユーザー |
りあん
|
| 提出日時 | 2017-11-23 17:05:46 |
| 言語 | C#(csc) (csc 3.9.0) |
| 結果 |
AC
|
| 実行時間 | 226 ms / 2,500 ms |
| コード長 | 3,377 bytes |
| 記録 | |
| コンパイル時間 | 1,100 ms |
| コンパイル使用メモリ | 118,172 KB |
| 実行使用メモリ | 45,336 KB |
| 最終ジャッジ日時 | 2025-12-05 13:12:31 |
| 合計ジャッジ時間 | 4,456 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 18 |
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.Linq;
using System.IO;
class Program
{
static StreamWriter sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
static Scan sc = new Scan();
const int M = 1000000007;
static void Main()
{
int t = sc.Int;
if (t < 1 || 500 < t) throw new Exception();
int a, b, c, d, e;
sc.Multi(out a, out b, out c, out d, out e);
if (a < -20 || 20 < a) throw new Exception();
if (b < -20 || 20 < b) throw new Exception();
if (c < -20 || 20 < c) throw new Exception();
if (a == 0 && b == 0 && c == 0) throw new Exception();
if (d > e || d < -10000 || e > 10000) throw new Exception();
int m = 22000;
var dp = new int[m];
int s = 11000;
dp[s] = 1;
for (int i = 0; i < t; i++)
{
var next = new int[m];
for (int j = 0; j < m; j++)
{
if (dp[j] > 0) {
next[j + a] = (next[j + a] + dp[j]) % M;
next[j - a] = (next[j - a] + dp[j]) % M;
next[j + b] = (next[j + b] + dp[j]) % M;
next[j - b] = (next[j - b] + dp[j]) % M;
next[j + c] = (next[j + c] + dp[j]) % M;
next[j - c] = (next[j - c] + dp[j]) % M;
}
}
dp = next;
}
int ans = 0;
for (int i = s + d; i <= s + e; i++)
ans = (ans + dp[i]) % M;
Prt(ans);
sw.Flush();
}
static void Prt(string a) => sw.WriteLine(a);
static void Prt<T>(IEnumerable<T> a) => Prt(string.Join(" ", a));
static void Prt(params object[] a) => Prt(string.Join(" ", a));
}
class Scan
{
public int Int => int.Parse(Str);
public long Long => long.Parse(Str);
public double Double => double.Parse(Str);
public string Str => Console.ReadLine().Trim();
public int[] IntArr => StrArr.Select(int.Parse).ToArray();
public long[] LongArr => StrArr.Select(long.Parse).ToArray();
public double[] DoubleArr => StrArr.Select(double.Parse).ToArray();
public string[] StrArr => Str.Split(new []{' '}, System.StringSplitOptions.RemoveEmptyEntries);
bool eq<T, U>() => typeof(T).Equals(typeof(U));
T ct<T, U>(U a) => (T)Convert.ChangeType(a, typeof(T));
T cv<T>(string s) => eq<T, int>() ? ct<T, int>(int.Parse(s))
: eq<T, long>() ? ct<T, long>(long.Parse(s))
: eq<T, double>() ? ct<T, double>(double.Parse(s))
: eq<T, char>() ? ct<T, char>(s[0])
: ct<T, string>(s);
public void Multi<T>(out T a) => a = cv<T>(Str);
public void Multi<T, U>(out T a, out U b)
{ var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); }
public void Multi<T, U, V>(out T a, out U b, out V c)
{ var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); }
public void Multi<T, U, V, W>(out T a, out U b, out V c, out W d)
{ var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<W>(ar[3]); }
public void Multi<T, U, V, W, X>(out T a, out U b, out V c, out W d, out X e)
{ var ar = StrArr; a = cv<T>(ar[0]); b = cv<U>(ar[1]); c = cv<V>(ar[2]); d = cv<W>(ar[3]); e = cv<X>(ar[4]); }
}
りあん