Frequently asked questions of c programming with answer

Using only c programming language

check given number is prime number or not using

check the given number is armstrong number or not

check the given number is palindrome number or not

CHECKING LEAP YEAR

CHECK STRING IS PALINDROME OR NOT

PASSING ONE-DIMENSIONAL ARRAY TO A FUNCTION

CREATE A FILE AND STORE DATA IN IT 

TO PASSING 2-DIMENSIONAL ARRAY TO A FUNCTION

WRITING OF STRINGS TO A FILE

READING OF STRINGS FROM A FILE 

WRITING OF ENTIRE ARRAY TO A FILE

CONCATENATE MANY FILES AND STORE THEM IN A FILE NAMED FILES 

SWAPPING OF STRINGS

SWAP TWO VARIABLES WITHOUT USING THIRD USING  VARIABLE

SWAPING OF TWO ARRAYS USING C PROGRAM

CONCATENATE MANY FILES AND STORE THEM IN A FILE NAMED FILES 

FIND PRIME FACTORS OF A NUMBER

TO FIND MULTIPLICATION TABLE

TO FIND FACTORIAL OF A NUMBER

TO FIND FIBONACCI SERIES 

PRINTING ASCII VALUE USING 

CONVERSION OF DECIMAL TO BINARY 

CONVERSION OF BINARY TO DECIMAL 

CONVERSION FROM DECIMAL TO OCTAL

CONVERSION FROM UPPERCASE TO LOWER CASE

CONVERSION FROM LOWER CASE TO UPPER CASE

CONVERSION OF FAREHNITE TO CENTIGRADE

DELETE THE VOWELS FROM A STRING

ADDITION OF TWO MATRICES

COPY DATA FROM ONE FILE TO ANOTHER FILE

ADDITION & SUBTRACTION OF TWO COMPLEX NUMBERS

FIND SUM OF THE SERIES 1+2+3+---------+n 

FIND OUT LARGEST NUMBER IN AN ARRAY

FIND OUT SECOND LARGEST NUMBER IN AN UNSORTED ARRAY 

MULTIPLICATION OF TWO MATRICES

FIND OUT SUM OF DIAGONAL ELEMENTS OF A MATRIX

FIND OUT TRASPOSE OF A MATRIX

find out the perfect number

COUNTING DIFFERENT CHARACTERS IN A STRING

DISPLAY SOURCE CODE AS OUTPUT 

FIND FACTORIAL OF A NUMBER USING RECURSION

FIND GCD OF A NUMBER USING RECURSION

FIND SUM OF DIGITS OF A NUMBER USING RECURSION

FIND POWER OF A NUMBER

FIND POWER OF A NUMBER USING RECURSION

CONCATENATION OF TWO STRINGS USING POINTER 

CONCATENATION OF TWO STRINGS

SORTING OF STRING

BUBBLE SORT

SELECTION SORT

INSERTION SORT

QUICK SORT

LINEAR SEARCH

BINARY SEARCH

BINARY SEARCH THROUGH RECURSSION

REMOVE DUPLICATE ELEMENTS IN AN ARRAY

REVERSE A NUMBER USING RECURSION

DELETE ELEMENT FROM AN ARRAY AT DESIRED POSITION

FIND GREATEST AMONG 3 NUMBERS USING CONDITIONAL OPERATOR

FIND OUT GENERIC ROOT OF A NUMBER

find g.c.d of two number

find sum of the digit of number

reverse any number

Write a scanf statement which can store one line of string which includes white space ?

HOW can TAKE a paragraph at time USING scanf FUNCTION?