Code Snippets Interview Questions

Given an array of size N in which every number is between 1 and N, determine if there are any duplicates in it. You are allowed to destroy the array if you like.

25328

Write a routine to draw a circle (x ** 2 + y ** 2 = r ** 2) without making use of any floating point computations at all.

15878

Given only putchar (no sprintf, itoa, etc.) write a routine putlong that prints out an unsigned long in decimal.

11009

Give a one-line C expression to test whether a number is a power of 2.

11946

Given an array of characters which form a sentence of words, give an efficient algorithm to reverse the order of the words (not characters) in it.

5461

Give a very good method to count the number of ones in a 32 bit number. (caution: looping through testing each bit is not a solution)

19783

program to Reverse a linked list

45669

write a program to Insert in a sorted list

8937

Program to Delete an element from a doubly linked list.

24864

Write a function to find the depth of a binary tree.

72427

Write a routine that prints out a 2-D array in spiral order

12188

Write, efficient code for extracting unique elements from a sorted list of array. e.g. (1, 1, 3, 3, 3, 5, 5, 5, 9, 9, 9, 9) -> (1, 3, 5, 9).

21517

Given a list of numbers ( fixed list) Now given any other list, how can you efficiently find out if there is any element in the second list that is an element of the first list (fixed list)

8450

Print an integer using only putchar. Try doing it without using extra storage.

12537

How to swap two variables, without using third variable ?

167981

Un-Answered Questions { Code Snippets }

i have some csv files in a directory which have sub-directories also. now how can i merge all .csv files in to one with a single header. for example: have some 4 files. 1.csv--------name,age,sal abc,25,4000 2.csv--------name,age,sal vgd,32,3500 3.csv--------name,age,sal hfg,20,5000 4.csv--------name,age,sal asd,15,2000 now my output file should be like 5.csv----------name,age,sal abc,25,4000 vgd,32,3500 hfg,20,5000 asd,15,2000 and please explain the code for me. as i am new to scripting. thank you in advance

665

How to find No of classes,Packages,No of Methods per Classes and Depth of Inheritance for selecting source code in windows form application using c# .net? (Source code is input Program. It may be Java or .net) Please help me..) Thanks..)

1306

Create a ViewState Property?

1493

advance the focus to next consecutive fields when Enter Key is pressed

1028

How to run the Result Intemation System project in java for collage student in which result of internal exam marks send on parents mobile using SMS? what software required to run this project? please reply immediately...

1531

1165

Explain MIDlet Life cycle?

1110

Can Any one suggest how we connect QTP and Mainframe and do validation from Mainfram screen

1108

Plrase send project in vb.net on hotel management.

1105

893

Hi All, Do anyone have a solution/script for Uploading the Excel file in Local drive to QC Resources folder..?? TIA Dwaraka.

414

write a program for area of circumference of shapes

990

what is main difference between array_push and array_pop?

2184

Code for Small C++ Class to Transform Any Static Control into a Hyperlink Control?

1642

I need your help, i need a Turbo C code for this problem.. hope u'll help me guys.? Your program will have a 3x3 array. The user will input the sum of each row and each column. Then the user will input 3 values and store them anywhere, or any location or index, temporarily in the array. Your program will supply the remaining six (6) values and determine the exact location of each value in the array. Example: Input: Sum of row 1: 6 Sum of row 2: 15 Sum of row 3: 24 Sum of column 1: 12 Sum of column 2: 15 Sum of column 3: 18 Value 1: 3 Value 2: 5 Value 3: 6 Output: Sum of Row 1 2 3 6 4 5 6 15 7 8 9 24 Sum of Column 12 15 18 Note: Your program will not necessary sort the walues in the array Thanks..

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