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Arithmetic operators

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Arithmetic operators are: * (Multiply), /(divide), %(Modulas)- It's priority is most + -          It's priority is least. i) Multiplication Operator : This operator multiplies two operands. If in any expression if there is * (multiplication) and + (Addition). Then according to precedence rule * (multiplication) is first solved. If in arithmetic operators, operators are the same then it is solved from left to right. i.e its associativity is left to right. Program #include <stdio.h> #include<conio.h> int main() {     int a;     a=2*3;     printf("Answer of multiplication operator is %d",a);     getch(); } Output: Answer of multiplication operator is 6 ii) Integer divide Operator : Examples:  2/3 ? = 0 Instead of 0.6. 13/2 =6 instead of 6.5. Because in c language if any operations are performed between two integers. then, our result will be in integer. Program:...
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Getting input in C

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                 Getting input in C There are two ways to get input from user in C language. 1) By scanf() function 2) By gets() or fgets() function 1. By scanf() function:-            The standard input-output header file named stdio.h   contains the definition of the function printf()   and scanf(), which are used to display on the screen and to take input from user. Program:-   #include < stdio . h > void main ( ) { // defining a variable int x ; /* displaying message on the screen asking the user to input a value */ printf ( "Please enter a value..." ) ; /* reading the value entered by the user */ scanf ( "%d" , &x ) ; /* displaying the number as output */ printf ( "\nYou entered: %d" , x ) ; } Output:- Please enter a value... The Output was aski...
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Unary Operator

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What is a Unary Operator? Unary Operators are the operators which require only one operand. While binary operator requires two operands and tertiary requires three operands. Unary operators are: +, -, ++, --, sizeof() 1) + and -   Note: (+) and (-) are not of addition and subtraction but it denotes only sign of operator as positive or negative. Ex. +1, +2, +3... -1, -2, -3... 2) ++ and -- It seems to be  ++ (two plus-plus), But it is a single operator. It is called the increment operator . Increment operator are of two type: i) Pre increment ii) Post increment The meaning of both the increments is the same. i.e To add +1 in  any value x++ or ++x; or to increase the value by 1. x++ is x=x+1 where x is a variable. Example: 7++ output is 8 25++ output is 26 program: (Pre-increment)  #include <stdio.h> #include <conio.h> int main() {     int x=7;     ++x;  / /Whe...
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