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C

Operators

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 get 61 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

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);

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)

Comparison Operators

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

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

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