Operators

Arithmetic Operators

int myNum = 100 + 50;
int sum1 = 100 + 50; // 150 (100 + 50)
int sum2 = sum1 + 250; // 400 (150 + 250)
int sum3 = sum2 + sum2; // 800 (400 + 400)

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Operator	Name	Example
+	Add	x + y
-	Subtract	x - y
*	Multiply	x * y
/	Divide	x / y
%	Modulo	x % y
++	Increment	++x
--	Decrement	--x

Assignment operator

Example	As
x = 5	x = 5
x += 3	x = x + 3
x -= 3	x = x - 3
x *= 3	x = x * 3
x /= 3	x = x / 3
x %= 3	x = x % 3
x &= 3	x = x & 3
x |= 3	x = x | 3
x ^= 3	x = x ^ 3
x >>= 3	x = x >> 3
x <<= 3	x = x << 3

Comparison Operators

int x = 5;
int y = 3;

printf("%d", x > y);
// returns 1 (true) because 5 is greater than 3

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Symbol	Name	Example
==	equals	x == y
!=	not equal to	x != y
>	greater than	x > y
<	less than	x < y
>=	greater than or equal to	x >= y
<=	less than or equal to	x <= y

Comparison operators are used to compare two values

Logical Operators

Symbol	Name	Description	Example
&&	and logical	returns true if both statements are true	x < 5 && x < 10
||	or logical	returns true if one of the statements is true	x < 5 || x < 4
!	not logical	Invert result, return false if true	!(x < 5 && x < 10)

Operator Examples

unsigned int a = 60; /*60 = 0011 1100 */
unsigned int b = 13; /*13 = 0000 1101 */
int c = 0;

c = a & b; /*12 = 0000 1100 */
printf("Line 1 -the value of c is %d\n", c);

c = a | b; /*61 = 0011 1101 */
printf("Line 2 -the value of c is %d\n", c);
c = a ^ b; /*49 = 0011 0001 */
printf("Line 3 -the value of c is %d\n", c);
c = ~a; /*-61 = 1100 0011 */
printf("Line 4 -The value of c is %d\n", c);
c = a << 2; /*240 = 1111 0000 */
printf("Line 5 -the value of c is %d\n", c);
c = a >> 2; /*15 = 0000 1111 */
printf("Line 6 -The value of c is %d\n", c);

Bitwise operators

Operator	Description	Instance
&	Bitwise AND operation, "AND" operation by binary digits	(A & B) will get 12 which is 0000 1100
|	Bitwise OR operator, "or" operation by binary digit	(A | B) will get61 which is 0011 1101
^	XOR operator, perform "XOR" operation by binary digits	(A ^ B) will get 49 which is 0011 0001
~	Inversion operator, perform "inversion" operation by binary bit	(~A) will get -61 which is 1100 0011
<<	binary left shift operator	A << 2 will get 240 which is 1111 0000
>>	binary right shift operator	A >> 2 will get 15 which is 0000 1111

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