u010570643的专栏

Problem Remove duplicates in a list Solution Sort the list. Loop through the list. If the elements is not equal to last elements, that means a new element using System; using System.Colle

Problem Print the numbers of form 2^i.5^j in increasing order. For eg:  1, 2, 4, 5, 8, 10, 16, 20 Solution /*  ==================================================================

using System; namespace JamesChen {     class Program     {         static int MaximumWithoutIf(int a, int b)         {             int m = a - b;             m = a + (a - b) * ((a - b

Problem Write a function to determine the number of bits required to convert integer A to integer B. Input: 31, 14 Output: 2 Solution /* =========================================

Problem Determine the endianess of a computer Solution using System; using System.Runtime.InteropServices; namespace Endianess { [StructLayout(LayoutKind.Explicit)] struct Union {

Problem Design an efficient algorithm for computing c(n, k) that has the property that it never overflows if c(n, k) can be represented as an integer assume n and k are both integers. Solution

Problem Implement a fast integer square root function that takes in a 32-bit unsigned integer and returns another 32-bit unsigned integer that is the floor of the square root of the input. Solutio

Problem Compute the parity of a long integer. Solution - Erases the least significant bit of a number e.g 1111 -> 1111 & 1110 = 1110       1110 -> 1110 & 1101 = 1100       1101 -> 1101 &

Problem Find the missing number from the list of 99 distinct numbers which are from 1-100 Solution Compute sum of the list. Compute desirable sum without missing number. The missing number is

Problem Given an mxn matrix, design a function that will print out the contents of the matrix in spiral format.  Spiral format means for a 5x5 matrix given below: [ 1 2 3 4 5 ] [ 6 7