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Infosys C Interview Questions

Write a program to replace n bits from the position p of the bit representation of an inputted character x with the one's complement. Method invertBit takes 3 parameters x as input character, p as position and n as the number of positions from p. Replace n bits from pth position in 8 bit character x. Then return the characters by inverting the bits.

3426

In cryptography, you could often break the algorithm if you know what was the original (plain) text that was encoded into the current ciphertext. This is called the plain text attack. In this simple problem, we illustrate the plain text attack on a simple substitution cipher encryption, where you know each letter has been substituted with a different letter from the alphabet but you don’t know what that letter is. You are given the cipherText as the input string to the function getwordSets(). You know that a plain text "AMMUNITION" occurs somewhere in this cipher text. Now, you have to find out which sets of characters corresponds to the encrypted form of the "AMMUNITION". You can assume that the encryption follows simple substitution only. [Hint: You could use the pattern in the "AMMUNITION" like MM occurring twice together to identify this]

1752

1529

c program to compute AREA under integral

1541

1603

to write a program, that finds the minimum total number of shelves, including the initial one, required for this loading process. The packets are named A, B, C, D, E …….. Any numbers of packets with these names could be kept in the shelf, as in this example: [ZZLLAAJKRDFDDUUGGYFYYKK]. All packets are to be loaded on cars. The cars are lined in order, so that the packets could be loaded on them. The cars are also named [A, B, C, D, E,………….].

5229

i got 75% in all semester am i eligible for your company

1523

Write a C program that defines a 2-dimentional integer array called A [50][50]. Then the elements of this array should randomly be initialized either to 1 or 0. The program should then print out all the elements in the diagonal (i.e. a[0][0], a[1][1],a[2][2], a[3][3], ……..a[49][49]). Finally, print out how many zeros and ones in the diagonal.

3045

difference between Low, Middle, High Level languages in c ?

1416

Function which gives a pointer to a binary trees const an integer value at each code, return function of all the nodes in binary tree.?

423

What is NULL pointer?

440

Write a program to swap two numbers without using a temporary variable?

405

Given an array of 1s and 0s arrange the 1s together and 0s together in a single scan of the array. Optimize the boundary conditions?

637

Can you please explain the procedure of connecting testdirector in qtp?

353

What are the effects of oils on the properties of Polyolefins?

2967

Will I need to have an account with a wi-fi service provider?

259

How do you create restful web services using apex ?

88

How do you maintain exchange rates in sap? : cost center accounting

396

Is linux supported as a frontend platform?

393

What are the common problems faced in web testing?

303

A blastomere was removed from an 8-cell human embryo, and its beta-globin gene was amplified by PCR. The beta-globin DNA was treated with an enzyme that cuts on either side of and within the normal allele (producing a small fragment), but not within the sickle cell allele (producing a large fragment). Electrophoresis of the treated DNA from the blastomere demonstrated the presence of both a large and small fragment derived from the beta-globin genes. How should you interpret this test?

1370

How to Add TrueType fonts to windows in code?

1101

What are the app states in ios?

279

What is a robot locomotion?

367

58

What are three main elements of unix operating system?

293

why future first?

447

Explain the planets?

327