COMSCI 1200

array

A kind of data structure that can store multiple values of the same data type using a single variable and is used to store a collection of data.

index.

Accesses a specific element in an array.

Initializing Arrays

refers to declaring an array alongside the data that it will contain.

Base Index

Refers to the 1st element of an array with an index of zero [0].

Sorting

a process of ordering individual elements of a list according to their proper rank, either in ascending or descending order.

Bubble Sort

works by comparing each array element compared to every other array element.

If a value is larger / smaller than another, the values are swapped.

Two-Dimensional Array

The simplest form of multidimensional array, it is a list of one-dimensional arrays.

data type array Name [rows][columss];

Syntax: Two-Dimensional Array

Three-Dimensional Array

Is a collection of 2D arrays

as a pointer

as a sized Array

As an unsized away

There are 3 ways to pass a single-dimension array as an argument to functions by declaring them as formal parameters

strings

is a data type used in programming, such as an integer

and floating-point unit, but is used to represent text/character

rather than numbers.

strings

is comprised of a set of characters treated as a single unit that

can also contain spaces and numbers.

strings

is an array of characters ending in the null character

(‘\0’).

scanf

function only takes the first entered word. The

function terminates when it encounters a white space (or just space).

strlen()

strcpy()

strcmp()

strcat()

the commonly used string functions and are

defined in the ‘#include<string.h>’ header file/string library:

strlen()

calculates the length of a given string.

strlen()

function takes a single argument, i.e, the string variable

whose length is to be found, and returns the length of the string

passed.

strcpy()

copies the string to another character array.

Strcpy()

copies the string pointed by source

(including the null character) to the character array destination,

which returns the character array destination.

strcmp()

compares two strings and returns 0 if both

strings are identical.

strcmp()

compares two strings character by character. If the

first character of two strings are equal, next character of two

strings are compared. This continues until the corresponding

characters of two strings are different or a null character '\0' is

reached.

strcat()

compares two strings character by character. If the

first character of two strings are equal, next character of two

strings are compared. This continues until the corresponding

characters of two strings are different or a null character '\0' is

reached.