INTERVIEW QUESTIONS C OPERATORS IN C DETAILS

Question: How we can add two numbers without using + symbol?

Answer: use logicalor(|) operation to add the numbers

use logicalor(|) operation to add the numbers Source: CoolInterview.com

A very simple example, only thing we need to define a macro instead of using the + symbol.

#include<stdio.h>
#define add +
main()
{
int a,b;
a=5;
b=a add a;
printf("%d",b);

}
Source: CoolInterview.com

#include<stdio.h>

main()
{
int a,b, res;
scanf("%d",&a);
scanf("%d",&b);

if(a == b)
res = a*2;
else
res = (a*a - b*b ) / (a -b);
printf("%d",res);

} Source: CoolInterview.com

#include<stdio.h>
int addNumbers(int num1,int num2)
{
return (num1 - (~(num2-1)));
}

main()
{
int num1,num2;
int result;

result = addNumbers(num1,num2);
printf("%d",result);

} Source: CoolInterview.com

main()
{
int num1,num2;
int result;
printf("enter nos");
scanf("%d%d",&num1,&num2);
result=num1 - (~(num2-1));
printf("%d",result);
getch();
} Source: CoolInterview.com

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