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public static void SetArray(int[] arrayint) { // int[] arrayint = new int[100]; Random random = new Random(); for (int i = 1; i <= 1000; i++) { int index = random.Next(0, 1000); if (arrayint[index] == 0) arrayint[index] = i; else i--; } foreach (int i in arrayint) { Console.Write(i); Console.Writ 阅读全文
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//输出重复的元素 public static void ArrayDuplicate(int[] array1) { //string[] array1 = new string[] { "7ss", "4s", "7g", "1a","4g", "1e", "5e", "2a", "5e" }; ArrayList list1 = new ArrayList(); //储存去重后剩余的元素 ArrayList l 阅读全文
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//从数列1，2，3.......n 中 随意取几个数,使其和等于 m public static void Print(int n, int m, List list = null) { if (n childList = new List(); if (list != null) { childList.AddRange(list); } childList.Add(i); Print(i - 1, m - i, childList); } else if (i == m) { if (list != null) { foreach (int j in list) { Console... 阅读全文
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//求子数组的最大和 public static int maxSubarray(int[] a, int size) { if (size max) { max = sum; } else if (sum maxSum) maxSum = curSum; } if (maxSum == 0) { //若是数组中的元素均为负数，则输出里面的最大元素 maxSum = array[0]; //当然这步也可以写到上面一个循环里 for (int i = 1; i < size; i++) { if (maxSum < array[i]) maxSum = array[i]; } } r 阅读全文
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//求n个数中的最小k个数 public static void TestMin(int k, int n) { Random rd = new Random(); int[] myArray = new int[n]; int[] newArray = new int[k]; for (int i = 0; i myArray[j]) { continue; } else { newArray[0] = myArray[j]; Array.Sort(newArray); } } foreach (int i in newArray) Console.WriteLine(i); } 阅读全文
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//例如输入字符串abc，则输出由字符a、b、c 所能排列出来的所有字符串 public static void AllArray(string str, string str2 = "") { if (str == null) return; if (str == string.Empty) Console.WriteLine(str2); for (int i = 0; i n2 ? n1 : n2; m = n1 % n2; n1 = n2; n2 = m; } min = Mul / n1; Console.WriteLine(n1); Console.WriteL 阅读全文
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using System;using System.Collections.Generic;using System.Text;namespace ConsoleApplication2{ public class SuanFa { //求十进制数转换2进制后会有几个1 public static int Number1(int n) { //n = Convert.ToInt32(Console.ReadLine()); int x = 0; while (true) { while (n != 0) { if ((n & 1) == 1) x++; n = n >> 1 阅读全文
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using System;using System.Collections.Generic;using System.Text;using System.Collections;namespace ConsoleApplication2{ class StringSuan { //字符串是否包含问题 A中的字符是否在B中出现 public static void Contains() { string str1 = "ggwahrah"; string str2 = "gwha"; // 开辟一个辅助数组并清零 int[] hash = new int[ 阅读全文
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第一篇博客就整理下排序算法吧 ，欢迎大家批评指正using System;using System.Collections.Generic;using System.Text;namespace ConsoleApplication2{ class Sort { //二分查找 public static int Search(int[] data, int val) { if (data.Length middle && j > left) j--; if (i left) QuickSearch(dataArray, left, j); if (i array[j]) 阅读全文