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C Relational Operators
What Is Relational Operator?
- Relational operators are used to compare arithmetic, logical and character expressions.
- If the condition is "true" it returns 1, otherwise, it returns 0.
Relational operator Types
C Programming provides 6 relational operators for comparing numeric quantities.
| Operator | Description | Example | Return Value |
|---|---|---|---|
| > | Greater than | 5 > 3 | 1 |
| < | Less than | 5 < 3 | 0 |
| <= | Less than equal to | 5 <= 5 | 1 |
| >= | Greater than equal to | 6 >= 5 | 1 |
| == | Equal to | 5 == 3 | 0 |
| != | Not equal to | 3 != 3 | 0 |
Relational Operator Program
Let us write a C program to demonstrate
relationaloperators.c
#include <stdio.h>
int main()
{
printf("\nCond.\t Return"); //Cond. stands for Condition
printf("\n5 > 3 :\t %d",5 > 3);
printf("\n5 < 3 :\t %d",5 < 3);
printf("\n5 <= 5 :\t %d",5 >=5);
printf("\n6 >= 5 :\t %d",6 >=5);
printf("\n5 == 3 :\t %d",5 == 3);
printf("\n3 != 3 :\t %d",3 != 3);
return 0;
}
- Cond. Return
- 5 > 3 : 1
- 5 < 3 : 0
- 5 <= 5 : 1
- 6 >= 5 : 1
- 5 == 3 : 0
- 3 != 3 : 0
Note:
Here true condition returns 1 and false condition returns 0.
Relational Operator In Conditional Statement
relationaloperators.c
#include <stdio.h>
int main()
{
int a = 5;
int b = 10;
if(a < b)
printf("a is the smallest number");
else
printf("b is the smallest number");
return 0;
}
- a is the smallest number
Note:
Here less than conditional operator is used to check whether a is smaller than b
Related to Relational Operators
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