結果
問題 | No.275 中央値を求めよ |
ユーザー |
|
提出日時 | 2020-06-19 15:28:40 |
言語 | C#(csc) (csc 3.9.0) |
結果 |
AC
|
実行時間 | 30 ms / 1,000 ms |
コード長 | 3,433 bytes |
コンパイル時間 | 880 ms |
コンパイル使用メモリ | 112,668 KB |
実行使用メモリ | 19,456 KB |
最終ジャッジ日時 | 2024-07-03 13:23:16 |
合計ジャッジ時間 | 2,996 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 38 |
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.Linq;using System.IO;using static System.Console;using static System.Math;public class Solve{static public int mod = 1000000007;static public string al = "abcdefghijklmnopqrstuvwxyz";public static void Main(){// 方針//var n = rint();var a = inta();Array.Sort(a);if(n%2 == 1){WriteLine(a[n/2]);}else{WriteLine((double)((a[n/2]+a[n/2-1])/2.0));}}public static void swap(ref int a,ref int b){int temp = a;a= b;b = temp;}static void charswap(ref char a,ref char b){char temp = a;a= b;b = temp;}static int ncr(int n,int r){if(n<r)return 0;r = Min(r,n-r);long nn = 1;for(int i=n-r+1;i<=n;i++){nn = nn*i%mod;}long rr = 1;for(int i=1;i<=r;i++){rr = rr*i%mod;}rr = square((int)rr,mod-2);nn = nn * rr %mod;return (int)nn;}// a^b modstatic int square(int a,int b){string binary = Convert.ToString(b,2);int bileng = binary.Length;long a_power = a;long value = 1;for(int i=bileng-1;i>=0;i--){if(binary[i] == '1'){value = value*a_power%mod;}a_power = a_power*a_power%mod;}return (int)value;}static int square2(int a,int b){long output = 1;var list = new List<long>();int sh = 1;long n = a;list.Add(a);while(sh < b){sh *= 2;n = n*n%mod;list.Add(n);}for(int i=list.Count-1;i>=0;i--){if(b > sh){b -= sh;sh /= 2;output = output*list[i]%mod;}}return (int)output;}//各種読取static string rstr(){ return ReadLine(); }static int rint(){ return int.Parse(ReadLine()); }static long rlong(){ return long.Parse(ReadLine()); }static string[] stra(){ return ReadLine().Split(' '); }static char[] chara(){ string[] a=stra();string b="";for(int i=0;i<a.Length;i++){b+=a[i];}return b.ToCharArray();}static int[] inta(){ string[] read_str_array = ReadLine().Split(' '); int[] return_int_array = new int[read_str_array.Length]; for(int countup_i=0;countup_i<read_str_array.Length;countup_i++){ return_int_array[countup_i] = int.Parse(read_str_array[countup_i]); } return return_int_array;}static int[,] inta2(int num_array,int in_array){ int[,] int_array2 = new int[num_array,in_array]; for(int i=0;i<num_array;i++){ int[] temp_array =inta(); for(int j=0;j<in_array;j++){ int_array2[i,j] = temp_array[j]; } } return int_array2; }static long[] longa(){ string[] read_str_array = ReadLine().Split(' '); long[] return_long_array = new long[read_str_array.Length]; for(longcountup_i=0;countup_i<read_str_array.Length;countup_i++){ return_long_array[countup_i] = long.Parse(read_str_array[countup_i]); } returnreturn_long_array; }static double[] doublea(){ string[] read_str_array = ReadLine().Split(' '); double[] return_double_array = new double[read_str_array.Length]; for(long countup_i=0;countup_i<read_str_array.Length;countup_i++){ return_double_array[countup_i] = double.Parse(read_str_array[countup_i]); }return return_double_array; }// -----------------------------static long GCD(long a,long b){ if(a < b){ long temp = a; a = b; b = temp; } if(a % b == 0){ return b; } else{ long temp = b; b = a%b; a = temp;return GCD(a,b); } }static long LCM(long a,long b){ return a * b / GCD(a,b); }static void WriteArray(int[,] a,int b,int c){for(int i=0;i<b;i++){for(int j=0;j<c;j++){if(j!=0) Write(" ");Write(a[i,j]);}WriteLine();}}}