c programming questions

Oct 18th, 2014
DreamIt
Category:
Calculus
Price: $30 USD

Question description

Task 1 

Write a program that reads two strings from the command line. The user should have the possibility of:

a) Concatenating the two strings 

NOTE: Use strcat from the C library.

b) Comparing two strings. 

Implement your own strcmp function.

NOTE: It is not allowed to use any function from the C string library.

Task 2 (

Write a program that fills a 3x3 matrix with random numbers containing the values from 0 to 9. The program should print the generated matrix.Furthermore, the user should have the possibility to replace a certain number inside the matrix. For example, if the user enters number two then all elements having the value two are replaced by a second entered number.In addition the program should print out all the positions of the elements that have been replaced.The program should have a function  for

-the initialization of a matrix

-printing a matrix

-replacing the number(s) inside the matrix

NOTE: The declared arrays should not be global.

Task 3

Write a program that has a structure called person with three member

variables (name, age and a customer ID number). Reserve memory for three

persons by using the malloc function. The program asks the user to enter the data for three persons. After all data have been entered the program saves

the entered data in a text file.

NOTE: Use the gets(....), or fgets(...) function to re

ad the input of the user.


Tutor Answer

(Top Tutor) Daniel C.
(997)
School: New York University
PREMIUM TUTOR

Studypool has helped 1,244,100 students

Summary
Quality
Communication
On Time
Value
ashleyisgod
Feb 15th, 2017
" Top quality work from this guy! I'll be back! "
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1821 tutors are online

Brown University





1271 Tutors

California Institute of Technology




2131 Tutors

Carnegie Mellon University




982 Tutors

Columbia University





1256 Tutors

Dartmouth University





2113 Tutors

Emory University





2279 Tutors

Harvard University





599 Tutors

Massachusetts Institute of Technology



2319 Tutors

New York University





1645 Tutors

Notre Dam University





1911 Tutors

Oklahoma University





2122 Tutors

Pennsylvania State University





932 Tutors

Princeton University





1211 Tutors

Stanford University





983 Tutors

University of California





1282 Tutors

Oxford University





123 Tutors

Yale University





2325 Tutors