Explain the concepts of logical operators and assignment operators in C language-C++-php.cn

Explain the concepts of logical operators and assignment operators in C language

First, let’s learn about logical operators.

Logical Operators

These are used to logically combine two (or more) expressions.
They are logical AND (&&), logical OR (||) and logical NOT (!)

Logical AND ( &&)

exp1	exp2	exp1&&exp2
T	T	T
T	F	F
F	T	F
F	F	F

##Logical OR (||)

exp1 exp2 exp1||exp2 ##T T F F


T	T
F	T
T	T
F	#F

##Logical NOT (!)

exp !exp T T F T

Operator Description Example a=10,b=20,c=30 Output ##&& Logical AND ##|| Logical OR (a>b)||(a(10>20)||(101 ! logical negation !(a>b) !(10>20) 1 The following is a C program to calculate logical operators:


(a>b)&&(a	(10>20)&&(10	0

			Example

Demonstration

#include main (){ float a=0.5,b=0.3,c=0.7; printf("%d
",(ac));//0// printf("%d
",(a>=b)&&(b<=c));//1// printf("%d
",(a==b)||(b==c));//0// printf("%d
",(b>=a)||(a==c));//0// printf("%d
",(b<=c)&&!(c>=a));//0// printf("%d
",!(b<=c)||(c>=a));//1// }

Copy after login

Output

You will see the following Output -

0 1 0 0 0 1

Copy after login

Assignment operator

is used to assign a value to a variable.

Type

The type of the assignment operator is -

Simple assignment

Compound assignment

< ul class="list">

Operator Description Example Simple assignment a=10 a = 10"a=a 10 below Given is a C program for compound assignment operator - Live Demonstration

		##=
	=,-=,*=,/=,%=	Compound assignment
a=10"a=a-10		Procedure

##=

=,-=,*=,/=,%=

Compound assignment

a=10"a=a-10

Procedure

#include int main(void){ int i; char a='h'; printf("enter the value of i:
"); scanf("%d",&i); printf("print ASCII value of %c is %d
", a, a); a += 5; printf("print ASCII value of %c is %d
", a, a); a *= a + i; printf("a = %d
", a); a *= 3; printf("a = %d
", a); a /= 2; printf("a = %d
", a); a %= 4; printf("a = %d
", a); return 0; }

Copy after login

< h2> Output

You will see the following output -

enter the value of i: 3 print ASCII value of h is 104 print ASCII value of m is 109 a = -80 a = 16 a = 8 a = 0

Copy after login

The above is the detailed content of Explain the concepts of logical operators and assignment operators in C language. For more information, please follow other related articles on the PHP Chinese website!