ProblemFind the sum of an arithmetic progression series, where the user has to enter first number, total number of elements and the common difference.SolutionArithmetic Progression (A.P.) is a series of numbers in which the difference of any two consecutive numbers is always the same. Here, total number of elements is ... Read More

Based on the units consumed by the user, the electricity bill is generated. If number of units consumed are more then, the rate of a unit charge will also increase.The logic applied if minimum units are consumed by the user is as follows −if (units < 50){    amt = ... Read More

In order to add two complex numbers in C programming language, the user has to take two complex numbers as structure members and perform addition operation on those two numbers by creating a user-defined function.AlgorithmRefer an algorithm given below for addition of two complex numbers.Step 1: Declare struct complex with ... Read More

An array of structure in C programming is a collection of different datatype variables, grouped together under a single name.General form of structure declarationThe structural declaration is as follows −struct tagname{    datatype member1;    datatype member2;    datatype member n; };Here, struct is the keyword.tagname specifies the name of ... Read More

An array of characters is called a string.DeclarationThe syntax for declaring an array is as follows −char stringname [size];For example − char string[50]; string of length 50 charactersInitializationUsing single character constant −char string[10] = { ‘H’, ‘e’, ‘l’, ‘l’, ‘o’ ,‘\0’}Using string constants −char string[10] = "Hello":;Accessing − There is ... Read More

First, let us understand what are the arrays of pointers in C programming language.Arrays of pointers: (to strings)It is an array whose elements are ptrs to the base add of the string.It is declared and initialized as follows −char *a[ ] = {"one", "two", "three"};Here, a[0] is a pointer to ... Read More

The C library function char *strstr(const char *haystack, const char *needle) function finds the first occurrence of the substring needle in the string haystack. The terminating '\0' characters are not compared.An array of characters is called a string.DeclarationThe syntax for declaring an array is as follows −char stringname [size];For example ... Read More

An array of characters is called a string.DeclarationThe syntax for declaring an array is as follows −char stringname [size];For example − char string[50]; string of length 50 charactersInitializationUsing single character constant −char string[10] = { ‘H’, ‘e’, ‘l’, ‘l’, ‘o’ ,‘\0’}Using string constants −char string[10] = "Hello":;Accessing − There is ... Read More

The C library function int strncmp(const char *str1, const char *str2, size_t n) compares at most the first n bytes of str1 and str2.An array of characters is called a string.DeclarationThe syntax for declaring an array is as follows −char stringname [size];For example − char string[50]; string of length 50 ... Read More

The C library function int strcmp(const char *str1, const char *str2) compares the string pointed to, by str1 to the string pointed to by str2.An array of characters is called a string.DeclarationFollowing is the declaration for an array −char stringname [size];For example − char string[50]; string of length 50 charactersInitializationUsing ... Read More