Basic Operations in C++

Basic operations in C++ refer to the fundamental arithmetic, relational, and logical operations that can be performed using C++ programming language, which are essential for any kind of program or calculation in a real-world scenario.

Here’s a summary of the basic operations in C++

Arithmetic Operations

These operations are used for performing calculations in C++ and include the following:

• Addition (+): Adds two numbers.

int a = 5;
int b = 6;
int sum = a + b; // sum is 11

• Subtraction (-): Subtracts one number from the other.

int a = 10;
int b = 6;
int diff = a - b; // diff is 4

• Multiplication (*): Multiplies two numbers.

int a = 3;
int b = 4;
int product = a * b; // product is 12

• Division (/): Divides one number by another, yields quotient.

int a = 12;
int b = 4;
int quotient = a / b; // quotient is 3

• Modulus (%): Divides one number by another, yields remainder.

int a = 15;
int b = 4;
int remainder = a % b; // remainder is 3

Relational Operators

These operations compare two values and return a boolean value (true/false) depending on the comparison. The relational operations are:

• Equal to (==): Returns true if both operands are equal.

5 == 5 // true
3 == 4 // false

• Not equal to (!=): Returns true if operands are not equal.

5 != 2 // true
1 != 1 // false

• Greater than (>): Returns true if the first operand is greater than the second.

5 > 3 // true
2 > 3 // false

• Less than (<): Returns true if the first operand is less than the second.

3 < 5 // true
6 < 5 // false

• Greater than or equal to (>=): Returns true if the first operand is greater than or equal to the second.

5 >= 5 // true
6 >= 2 // true
3 >= 4 // false

• Less than or equal to (<=): Returns true if the first operand is less than or equal to the second.

4 <= 4 // true
2 <= 3 // true
5 <= 4 // false

Logical Operators

Logical operators are used for combining multiple conditions or boolean values.

• AND (&&): Returns true if both operands are true.

true && true // true
true && false // false

• OR (||): Returns true if any one of the operands is true.

true || false // true
false || false // false

• NOT (!): Returns true if the operand is false and vice versa.

!true // false
!false // true