⯈Algorithm and its Characteristics
⯈Elementary Problems
- Addition of two numbers
- Calculate area and circumference of circle
- Calculate area of triangle
- Calculate simple interest
- Calculate slope and distance between two points
- Convert length in feet to inches
- Weighted score in exam
- Convert temperature in degree Celsius to Fahrenheit
- Swap two numbers
- Swap two numbers without using extra variable
- Overview of C Programming Language
- Getting started with C Programming Language
- Keywords
- Identifiers
- Constants
- Operators
- Expression Evaluation
- Mathematical expression to C equivalent expressions
- Datatypes
- Variables
- Integer representation in C
- Character representation in C
- Type conversion in C
- sizeof operator
- Comments
- Mathematical Functions
- input output statements
- width specifiers in C
- structure of a C program
- header files
- Compilation process of a C program
- Types of initializations.
⯈Basic C Programs
- C program to add two numbers
- C program to find area and circumference of circle
- C program to swap two numbers
- C program to swap two numbers without using extra variable
- C program to swap two numbers using bitwise XOR
- C program to convert temperature in Celsius to Fahrenheit
- C program to calculate gross salary of an employee
- C program to count number of digits in a positive integer
- C program to count number of digits in binary representation
- C program to count number of digits in base ‘K’
- C program to convert kilometer to meter, feet, inches and centimeters
- C program to find first and last digit of a number
- C program to find minimum number of currency denominations
- C program to convert cartesian coordinates to polar coordinates
- C program to find distance between two places on earth in nautical miles
- C program to find slope and distance between two points
- C program to add 1 to the number using ‘+’ operator
- C program to find maximum of two numbers using ternary operator
- C program to find maximum of three numbers using ternary operator
- C program to find kth bit of a number
- C program to find last four bits of a byte
Integer Representation in C
Integers in C can be thought as a circle of values. The values go from 0 to 231 -1 and -1 to (- 231 ).
We will discuss integer overflow at the end of this page.
You may watch the video posted at the end of this page.
The integer values go from 0 to maximum value of 231-1 and to minimum value of -231
Integer Overflow
If we try to store the value greater than maximum value (231-1), then the integer overflow takes place.
Ex:
int a = 2147483647; (231-1)
int b = a + 1;
We cannot store the value greater than (231-1), then integer overflow happens and b = -2147483648 (-231)
If we try to store the value lesser than the minimum value (-231), then also integer overflow happens.
Ex:
int a = -2147483648; (-231)
int b = a – 1;
We cannot store the value less than (-231), integer overflow takes place and b = 2147483647 (231-1)