Arithmetic operator

Arithmetic Operator - Basic C Programming Solve niterians.blogspot.com
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Arithmetic Operator - Basic C Programming Solve
Problems…
1. (a) Write a program that read two integer and display sum.
(b) Write a program that read two floating point and display sum.
2. Write a program that subtracts two integer.
3. Write a program that read two integer and display product.
4. (a) Write a program that divide two integer.
(b) Write a program that divide two floating point
5. Write a program that read two integer and display reminder.
6. Write a program that read radius of a circle and display its area.
7. Write a program to demonstrate the working of increment and
decrement operators.
SOLVED BY
Md. Masudur Rahman
Department of Textile Engineering
4th Batch
National Institute of Textile Engineering and Research (NITER)
masudbdasia@gmail.com

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Operator :Operators in C program is special symbol or word which directs the
compiler to perform arithmetical or logical works, i.e. the characters which is used in C
for special purpose so this character is called operators.
Different types of operators :
 Arithmetic operator
 Unary operator
 Relational operator
 Logical operator
 Assignment operator
 Conditional operator
Arithmetic Operators List :
Arithmetic Operators niterians.blogspot.com
Operator Meaning
+ Addition or unary plus
- Subtraction or unary minus
* Multiplication
/ Division
% Modulo division
++ Increment operator increases the integer value
by one.
-- Decrement operator decreases the integer
value by one.

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Arithmetic expressions:
An arithmetic expression is a combination of variables, constants, and
operators.
For example,
Arithmetic expressions: niterians.blogspot.com
a*b-c a*b-c
(m+n)(x+y) (m+n)*(x+y)
ax2
+bx+c a*x*x+b*x+c
1) (a) Write a program that read two integer and display sum.
#include <stdio.h>
int main ()
{
int a, b, c;
printf("Enter the value of a : ");
scanf("%d", &a);
printf("Enter the value of b : ");
scanf("%d", &b);
c =a+b;
printf("Sum of a and b is %d ", c);
}

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(1) (b) Write a program that read two floating point and display sum.
2) Write a program that subtracts two integer.
#include <stdio.h>
int main ()
{
float a, b, c;
scanf("%f", &a);
scanf("%f", &b);
c =a+b;
printf("Sum of a and b is %f ", c);
}
#include <stdio.h>
int main ()
{
int a, b, c;
printf("Enter the value of a :");
scanf("%d", &a);
printf("Enter the value of b :");
scanf("%d", &b);
c =a-b;
printf("a - b = %d", c);
}

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2) Write a program that subtracts two integer
3) Write a program that read two integer and display product.
#include <stdio.h>
int main ()
{
int a, b, c;
scanf("%d", &a);
scanf("%d", &b);
c =a*b;
printf("Product of a and b is %d ", c);
}

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(4) (a) Write a program that divide two integer.
(4) (b) Write a program that divide two floating point
#include <stdio.h>
int main ()
{
int a, b, c;
printf("Enter the value of a: ");
scanf("%d", &a);
printf("Enter the value of b: ");
scanf("%d", &b);
c =a/b;
printf("a divide b is = %d", c);
}
#include <stdio.h>
int main ()
{
float a, b, c;
scanf("%f", &a);
scanf("%f", &b);
c =a/b;
printf("a divide b is = %f", c);
}

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(4) (b) Write a program that divide two floating point
5) Write a program that read two integer and display reminder.
#include <stdio.h>
int main ()
{
int a, b, c;
scanf("%d", &a);
scanf("%d", &b);
c =a%b;
printf("Remainder = %d", c);
}

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(6) (a) Write a program that read radius of a circle and display its area.
(6) (b) Write a program that read radius of a circle and display its area
#include <stdio.h>
void main ()
{
float r, area;
printf("Enter the radius : ");
scanf("%f", &r);
area = 3.1416*r*r;
printf("The area of the circle is: %f", area);
}
#include <stdio.h>
#define pi 3.1416
void main ()
{
float r, area;
scanf("%f", &r);
area = pi*r*r;
}

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(6) (b) Write a program that read radius of a circle and display its area
(6) (c) Write a program that read radius of a circle and display its area
#include <stdio.h>
#define pi 3.1416
void main ()
{
float r, area;
scanf("%f", &r);
area = pi*r*r;
}

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7) Write a program to demonstrate the working of increment and
decrement operators.
#include <stdio.h>
int main()
{
int a, c;
float b, d;
printf("a = ");
scanf("%d", &a);
printf("b = ");
scanf("%f", &b);
printf("c = ");
scanf("%d", &c);
printf("d = ");
scanf("%f", &d);
printf("++a = %d n", ++a);
printf("--b = %f n", --b);
printf("++c = %d n", ++c);
printf("--d = %f n", --d);
return 0;
}

Arithmetic operator

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