Pointers in C
Variable
A
variable is a named memory location.
Variables provide direct access to its
memory location.
A variable has a name, an address, a
type,and a value:
"the name identifies the variable to the
programmer
"the address specifies where i
The exact size of array is unknown untill the compile time,i.e., time when a compier compiles
code written in a programming language into a executable form. The size of array you have
declared initially can be sometimes insufficient and sometimes more tha
C arrays
(Reek, Ch. 8)
1
CS 3090: Safety Critical Programming
in C
Review of arrays
There are no array variables in C only array
names
Each name refers to a constant pointer
Space for array elements is allocated at declaration
time
Cant change where the a
Lecture 23
Winter Quarter
Lect
23
Data Structures (struct)
Arrays require that all elements be of the
same data type. Many times it is necessary
to group information of different data types.
An example is a materials list for a product.
The list typicall
Storage class in C
Topics
Automatic variables
External variables
Static variables
Register variables
Scopes and longevity of above types of
variables.
BESU,
SUMMER-07
1
Few terms
1.
2.
3.
4.
Scope: the scope of a variable determines over what
part(s)
The exact size of array is unknown untill the compile time,i.e., time when a compier compiles
code written in a programming language into a executable form. The size of array you have
declared initially can be sometimes insufficient and sometimes more tha
CSE101-lec#15
Recursive function
LPU CSE101 C Programming
Created By:
Amanpreet Kaur &
Sanjeev Kumar
SME (CSE) LPU
Outline
Recursion
Examples of recursion
Finding factorial of a number
Finding Fibonacci series up to nth term
Recursion Vs Iteration
LP
CSE101-Lec#14
Function Call
LPU CSE101 C Programming
Created By:
Amanpreet Kaur &
Sanjeev Kumar
SME (CSE) LPU
Outline
Function call
Passing arguments by value
Passing arguments by reference
LPU CSE101 C Programming
Formal Arguments and
Actual Arguments
CSE101-Lec#17
Arrays
(Arrays and Functions)
LPU CSE101 C Programming
Created By:
Amanpreet Kaur &
Sanjeev Kumar
SME (CSE) LPU
Outline
To declare an array
To initialize an array
To pass an array to a function
LPU CSE101 C Programming
Introduction
Array
CSE101-lec#16
Storage Classes and Scope Rules
LPU CSE101 C Programming
Created By:
Amanpreet Kaur &
Sanjeev Kumar
SME (CSE) LPU
Outline
Storage Classes
auto
static
extern
register
Scope Rules
LPU CSE101 C Programming
Storage Classes
Storage class s
Program for Mid Point Circle
#include<GL/glut.h>
#include<stdio.h> / Header file for printf scanf stdio.h
int r; / Global Declartion for Line End Points
/ User Defined function for implementing logic of Mid Point Circle Algo
void display (void)
cfw_
/ Dec
ARRAYS
PROG1
/Insertion of element in array
#include<stdio.h>
#include<conio.h>
int main()
cfw_
int arr[5],i,pos,val;
printf("\nEnter array elements");
for(i=0;i<4;i+)
scanf("0",&arr[i]);
printf("\nEnter position");
scanf("0",&pos);
printf("\nEnter value"
Program 1:Binary search
#include<stdio.h>
#include<conio.h>
void main()
cfw_
int arr[5],num,flag=0,low,high,mid,i;
clrscr();
printf("\nEnter values");
for(i=0;i<5;i+)
scanf("0",&arr[i]);
printf("\nEnter the value to search");
scanf("0",&num);
low=0;
high=
Question in Computer Science
Need help creating a multiplayer card game in java, for simplicity the specific card game is blackjack
Guidelines are posted below:
Card class:
Include instance variables above and below of type Card to hold references to the
If you automate non-compelling marketing campaigns in an ineffective attempt to motivate incompetent sales people you are simply accelerating the pace at which the marketplace discovers the weaknesses in your offerings, capabilities and/or service and sup
CSE101- COMPUTER
PROGRAMMING
Dept. of Mechanical Engineering
Lovely Professional University
Outline
Components of C character Set
Discussion on
Identifiers
keywords
Data types
Variables
Constants
Expressions
Getting started with C
The classical m
INPUT/OUTPUT FUNCTIONS
Unformatted and Formatted I/O
BY: Kirandeep Kaur
Standard I/O Functions
There are many library functions available for
standard I/O.
These functions are divided into two
categories:
Unformatted functions
Formatted functions
Format
Unit 1
Introduction to computer
organization, Evolution of
Operating Systems, Data
types and Operators
OUTLINE
Personal, distributed and client server
computing
Difference between procedural and OOP
C program development environment
Program developmen
Pointers in C
Variable
A
variable is a named memory location.
Variables provide direct access to its
memory location.
A variable has a name, an address, a
type,and a value:
"the name identifies the variable to the
programmer
"the address specifies where i
UNIT-2
CONTROL STRUCTURES, USER
DEFINED FUNCTIONS AND
STOARAGE CLASSES
C Standard Library
Library
a collection of useful functions and symbols that
may be accessed by a program
each library has a standard header file
e.g. stdio.h. math.h
Every implem
CSE101-Lec#20
Strings
LPU CSE101 C Programming
Created By:
Amanpreet Kaur &
Sanjeev Kumar
SME (CSE) LPU
Outline
Introduction to string
Declaration
Initialization
Reading and writing strings
functions of the standard input/output library
(stdio.h)
Pr
Bresenham Line Drawing Algo
#include<GL/glut.h>
/ for printf scanf stdio.h
#include<stdio.h>
/ for abs() stdlib.h
#include<stdlib.h>
/ Global Declartion for Line End Points
int xa,xb,ya,yb;
/ User Defined function for implementing logic of Algo
void displ
CSE101-Lec#4
Constant
Variable
Expression
LPU CSE101 C Programming
Outline
In this lecture we will study
Constant
Variable
Expression
LPU CSE101 C Programming
Tokens
We have seen that Tokens are broadly classified as:
Identifiers
Keywords
Const
