結果
問題 | No.800 四平方定理 |
ユーザー | eSeF |
提出日時 | 2020-02-01 02:58:35 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 1,703 ms / 2,000 ms |
コード長 | 5,604 bytes |
コンパイル時間 | 5,030 ms |
コンパイル使用メモリ | 117,612 KB |
実行使用メモリ | 90,592 KB |
最終ジャッジ日時 | 2024-09-18 18:23:37 |
合計ジャッジ時間 | 25,785 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 35 ms
18,560 KB |
testcase_01 | AC | 40 ms
19,328 KB |
testcase_02 | AC | 37 ms
19,456 KB |
testcase_03 | AC | 38 ms
19,584 KB |
testcase_04 | AC | 36 ms
18,304 KB |
testcase_05 | AC | 39 ms
19,584 KB |
testcase_06 | AC | 43 ms
19,456 KB |
testcase_07 | AC | 40 ms
19,328 KB |
testcase_08 | AC | 43 ms
19,584 KB |
testcase_09 | AC | 41 ms
19,456 KB |
testcase_10 | AC | 590 ms
47,192 KB |
testcase_11 | AC | 663 ms
48,856 KB |
testcase_12 | AC | 661 ms
48,832 KB |
testcase_13 | AC | 637 ms
47,828 KB |
testcase_14 | AC | 649 ms
48,980 KB |
testcase_15 | AC | 652 ms
48,852 KB |
testcase_16 | AC | 660 ms
48,992 KB |
testcase_17 | AC | 689 ms
48,840 KB |
testcase_18 | AC | 672 ms
48,976 KB |
testcase_19 | AC | 674 ms
49,112 KB |
testcase_20 | AC | 29 ms
18,048 KB |
testcase_21 | AC | 29 ms
18,176 KB |
testcase_22 | AC | 730 ms
48,724 KB |
testcase_23 | AC | 1,478 ms
86,248 KB |
testcase_24 | AC | 1,430 ms
84,316 KB |
testcase_25 | AC | 1,466 ms
86,624 KB |
testcase_26 | AC | 29 ms
18,176 KB |
testcase_27 | AC | 29 ms
18,048 KB |
testcase_28 | AC | 1,424 ms
88,540 KB |
testcase_29 | AC | 1,468 ms
76,616 KB |
testcase_30 | AC | 1,462 ms
86,644 KB |
testcase_31 | AC | 1,343 ms
74,688 KB |
testcase_32 | AC | 1,703 ms
90,592 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.Generic; using System.Linq; using System.IO; using System.Text; using static System.Math; using static System.Array; using static AtCoder.Tool; using static AtCoder.CalcL; namespace AtCoder { class AC { const int MOD = 1000000007; const int INF = int.MaxValue / 2; const long SINF = long.MaxValue / 2; const double EPS = 1e-8; static readonly int[] dI = { 0, 1, 0, -1 }; static readonly int[] dJ = { 1, 0, -1, 0 }; static List<List<int>> G = new List<List<int>>(); //static List<List<Edge>>G = new List<List<Edge>>(); //static List<Edge> E = new List<Edge>(); static void Main(string[] args) { //var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false }; //Console.SetOut(sw); var cin = new Scanner(); var input = cin.ReadSplitInt(); int N = input[0]; long D = input[1]; var rec = new Dictionary<long, long>(); for(var x = 1; x <= N; x++) { for(var y = 1; y <= N; y++) { long s = x * x + y * y; if (!rec.ContainsKey(s)) { rec[s] = 1; } else { rec[s]++; } } } long ans = 0; for(var z = 1; z <= N; z++) { for(var w = 1; w <= N; w++) { long t = w * w + D - z * z; if (rec.ContainsKey(t)) { ans += rec[t]; } } } Console.WriteLine(ans); //Console.Out.Flush(); } struct Edge { public int from; public int to; public long dist; public Edge(int t, long c) { from = -1; to = t; dist = c; } public Edge(int f, int t, long c) { from = f; to = t; dist = c; } } } public class Scanner { public int[] ReadSplitInt() { return ConvertAll(Console.ReadLine().Split(), int.Parse); } public long[] ReadSplitLong() { return ConvertAll(Console.ReadLine().Split(), long.Parse); } public double[] ReadSplit_Double() { return ConvertAll(Console.ReadLine().Split(), double.Parse); } } public static class Tool { static public void Initialize<T>(ref T[] array, T initialvalue) { for (var i = 0; i < array.Length; i++) { array[i] = initialvalue; } } static public void Swap<T>(ref T a, ref T b) { T keep = a; a = b; b = keep; } static public void Display<T>(T[,] array2d, int n, int m) { for (var i = 0; i < n; i++) { for (var j = 0; j < m; j++) { Console.Write($"{array2d[i, j]} "); } Console.WriteLine(); } } static public long LPow(int a, int b) { return (long)Pow(a, b); } } static public class CalcI { public static int Gcd(int a, int b) { if (a * b == 0) { return Max(a, b); } return a % b == 0 ? b : Gcd(b, a % b); } public static int Lcm(int a, int b) { int g = Gcd(a, b); return a / g * b; } public static int Ceil(int n, int div) { return (n + div - 1) / div; } } static public class CalcL { public static long Gcd(long a, long b) { if (a * b == 0) { return Max(a, b); } return a % b == 0 ? b : Gcd(b, a % b); } public static long Lcm(long a, long b) { long g = Gcd(a, b); return a / g * b; } public static long Ceil(long n, long div) { return (n + div - 1) / div; } } class Modulo { private const int M = 1000000007; private readonly int[] m_facs; public int Mul(int a, int b) { return (int)(Math.BigMul(a, b) % M); } public Modulo(int n) { m_facs = new int[n + 1]; m_facs[0] = 1; for (int i = 1; i <= n; ++i) { m_facs[i] = Mul(m_facs[i - 1], i); } } public int Fac(int n) { return m_facs[n]; } public int Pow(int a, int m) { switch (m) { case 0: return 1; case 1: return a; default: int p1 = Pow(a, m / 2); int p2 = Mul(p1, p1); return ((m % 2) == 0) ? p2 : Mul(p2, a); } } public int Div(int a, int b) { return Mul(a, Pow(b, M - 2)); } public int Ncr(int n, int r) { if (n < r) { return 0; } if (n == r) { return 1; } int res = Fac(n); res = Div(res, Fac(r)); res = Div(res, Fac(n - r)); return res; } public Modulo() { } } }