結果

問題 No.864 四方演算
ユーザー ひばちひばち
提出日時 2019-08-16 21:55:43
言語 C#(csc)
(csc 3.9.0)
結果
AC  
実行時間 39 ms / 1,000 ms
コード長 6,123 bytes
コンパイル時間 2,736 ms
コンパイル使用メモリ 119,696 KB
実行使用メモリ 28,080 KB
最終ジャッジ日時 2024-09-25 10:46:13
合計ジャッジ時間 4,581 ms
ジャッジサーバーID
(参考情報)
judge4 / 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 26 ms
23,856 KB
testcase_01 AC 39 ms
24,112 KB
testcase_02 AC 34 ms
23,792 KB
testcase_03 AC 35 ms
23,920 KB
testcase_04 AC 36 ms
23,984 KB
testcase_05 AC 33 ms
23,868 KB
testcase_06 AC 37 ms
24,120 KB
testcase_07 AC 35 ms
24,180 KB
testcase_08 AC 34 ms
25,964 KB
testcase_09 AC 31 ms
25,960 KB
testcase_10 AC 30 ms
26,168 KB
testcase_11 AC 29 ms
26,088 KB
testcase_12 AC 34 ms
24,240 KB
testcase_13 AC 32 ms
23,992 KB
testcase_14 AC 29 ms
26,172 KB
testcase_15 AC 38 ms
23,788 KB
testcase_16 AC 35 ms
24,048 KB
testcase_17 AC 38 ms
28,080 KB
testcase_18 AC 35 ms
23,984 KB
testcase_19 AC 33 ms
24,048 KB
testcase_20 AC 38 ms
25,908 KB
testcase_21 AC 35 ms
25,904 KB
testcase_22 AC 34 ms
23,988 KB
testcase_23 AC 27 ms
25,916 KB
testcase_24 AC 33 ms
24,048 KB
testcase_25 AC 30 ms
23,856 KB
testcase_26 AC 33 ms
21,692 KB
testcase_27 AC 26 ms
23,664 KB
testcase_28 AC 26 ms
24,116 KB
testcase_29 AC 26 ms
24,112 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.Collections.Generic;
using System.Linq;
using System.IO;
using static System.Console;
using static System.Convert;
using static System.Math;
//using static System.Globalization.CultureInfo;
using System.Text;
class Program
{
private static void chmin<T>(ref T num, T val) where T : IComparable<T>
=> num = num.CompareTo(val) == 1 ? val : num;
private static void chmax<T>(ref T num, T val) where T : IComparable<T>
=> num = num.CompareTo(val) == -1 ? val : num;
static void Main(string[] args)
{
var pr = new Program();
var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
Console.SetOut(sw);
pr.Solve();
Console.Out.Flush();
}
void Solve()
{
long num, k;
Input.Make(out num, out k);
var res = 0L;
for(var i = 1L; i * i <= k; i++)
if (k % i == 0)
{
var x = k / i;
if (i > 2 * num || x > 2 * num) continue;
long a, b;
if (i % 2 == 0)
a = Min(i - 1, 1 + 2 * (num - i / 2));
else a = Min(i - 1, 2 * (num - i / 2));
if (x % 2 == 0)
b = Min(x - 1, 1 + 2 * (num - x / 2));
else b = Min(x - 1, 2 * (num - x / 2));
if (i * i == k)
res += a * b;
else res += 2 * a * b;
}
WriteLine(res);
}
}
public class Input
{
public static string read => ReadLine().Trim();
public static int[] ar => read.Split(' ').Select(int.Parse).ToArray();
public static int num => ToInt32(read);
public static long[] arL => read.Split(' ').Select(long.Parse).ToArray();
public static long numL => ToInt64(read);
public static T[] create<T>(int n, Func<int, T> f)
=> Enumerable.Repeat(0, n).Select(f).ToArray();
public static char[][] gred(int h)
=> create(h, _ => read.ToCharArray());
public static int[] ar1D(int n)
=> create(n, _ => num);
public static long[] arL1D(int n)
=> create(n, _ => numL);
public static string[] strs(int n)
=> create(n, _ => read);
public static int[][] ar2D(int n)
=> create(n, _ => ar);
public static long[][] arL2D(int n)
=> create(n, _ => arL);
public static List<T>[] edge<T>(int n)
=> create(n, _ => new List<T>());
public static T GetValue<T>(string g)
{
var t = typeof(T);
if (t == typeof(int))
return (T)(object)int.Parse(g);
if (t == typeof(long))
return (T)(object)long.Parse(g);
if (t == typeof(string))
return (T)(object)g;
if (t == typeof(char))
return (T)(object)char.Parse(g);
if (t == typeof(double))
return (T)(object)double.Parse(g);
if (t == typeof(bool))
return (T)(object)bool.Parse(g);
return default(T);
}
public static void Make<T1, T2>(out T1 v1, out T2 v2)
{
v1 = Next<T1>();
v2 = Next<T2>();
}
public static void Make<T1, T2, T3>(out T1 v1, out T2 v2, out T3 v3)
{
Make(out v1, out v2);
v3 = Next<T3>();
}
public static void Make<T1, T2, T3, T4>(out T1 v1, out T2 v2, out T3 v3, out T4 v4)
{
Make(out v1, out v2, out v3);
v4 = Next<T4>();
}
public static void Make<T1, T2, T3, T4, T5>(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5)
{
Make(out v1, out v2, out v3, out v4);
v5 = Next<T5>();
}
public static void Make<T1, T2, T3, T4, T5, T6>(out T1 v1, out T2 v2, out T3 v3, out T4 v4, out T5 v5, out T6 v6)
{
Make(out v1, out v2, out v3, out v4, out v5);
v6 = Next<T6>();
}
private static Queue<string> sc;
public static T Next<T>(){ sc = sc ?? new Queue<string>(); if (sc.Count == 0) foreach (var item in read.Split(' ')) sc.Enqueue(item);return
        GetValue<T>(sc.Dequeue()); }
public static void Next<T>(ref T val) => val = Next<T>();
public const long Inf = (long)1e18;
public const double eps = 1e-6;
public const string Alfa = "abcdefghijklmnopqrstuvwxyz";
public const int MOD = 1000000007;
}
public class Pair<T1, T2> : IComparable<Pair<T1, T2>>
{
public T1 v1 { get; set; }
public T2 v2 { get; set; }
public Pair() { v1 = Input.Next<T1>(); v2 = Input.Next<T2>(); }
public Pair(T1 v1, T2 v2)
{ this.v1 = v1; this.v2 = v2; }
public int CompareTo(Pair<T1, T2> p)
{
var c = Comparer<T1>.Default.Compare(v1, p.v1);
if (c == 0)
c = Comparer<T2>.Default.Compare(v2, p.v2);
return c;
}
public override string ToString()
=> $"{v1.ToString()} {v2.ToString()}";
public override bool Equals(object obj)
=> this == (Pair<T1, T2>)obj;
public override int GetHashCode()
=> v1.GetHashCode() ^ v2.GetHashCode();
public static bool operator ==(Pair<T1, T2> p1, Pair<T1, T2> p2)
=> p1.CompareTo(p2) == 0;
public static bool operator !=(Pair<T1, T2> p1, Pair<T1, T2> p2)
=> p1.CompareTo(p2) != 0;
public static bool operator >(Pair<T1, T2> p1, Pair<T1, T2> p2)
=> p1.CompareTo(p2) == 1;
public static bool operator >=(Pair<T1, T2> p1, Pair<T1, T2> p2)
=> p1.CompareTo(p2) != -1;
public static bool operator <(Pair<T1, T2> p1, Pair<T1, T2> p2)
=> p1.CompareTo(p2) == -1;
public static bool operator <=(Pair<T1, T2> p1, Pair<T1, T2> p2)
=> p1.CompareTo(p2) != 1;
}
public class Pair<T1, T2, T3> : Pair<T1, T2>, IComparable<Pair<T1, T2, T3>>
{
public T3 v3 { get; set; }
public Pair() : base() { v3 = Input.Next<T3>(); }
public Pair(T1 v1, T2 v2, T3 v3) : base(v1, v2)
{ this.v3 = v3; }
public int CompareTo(Pair<T1, T2, T3> p)
{
var c = base.CompareTo(p);
if (c == 0)
c = Comparer<T3>.Default.Compare(v3, p.v3);
return c;
}
public override string ToString()
=> $"{base.ToString()} {v3.ToString()}";
}
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