Modify Operators | C Technical Interview Questions and Answers | Mr. Srinivas

Modify Operators | C Technical Interview Questions and Answers | Mr. Srinivas

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[tapanjeetroy]

thanks a lot sir...please upload more...

[balakrishnad]

I have read most of the comments below. Even the most experienced programmer can make mistakes here because of compiler dependencies. The key to bug-free programming is making the code simple. Fancy coding questions may be good for interviews but in practice avoid all complicated and ambiguous expressions.

[tmk]

sir ... in C++ we will get different output ?

[SivaKumar-mmng]

if you execute this code with GCC compiler it will show you 14 but with CLAng compiler I may show you 13.

[mohammadsujon]

why modify operator is different from compiler to compiler.
when I run this programme in mingw compiler I get a = 14.
But when I execute, a=5;
a=++a + ++a + ++a + ++a;
I get a=31.
Sir, according to your lecture the result should have become 36.
you have said pre-increment and pre-decrement works then only substitute and evaluation.

[bsr]

The output is compiler dependent right

[akshayhegde]

Sir, in the 17th video the output is 13 but not 14 because the ++a value is 6 and a++ value is 7

[khushboogangal]

Hi Naresh, Awesome explanation!!
But what would be the output of (++a + a++) and why?
Also, please help solve the following question with explanation:
int i = 1;
printf("%d%d%d", ++i, i++, i);

thanks in advance!

[itse]

#include <stdio.h>

int main()
{
int a=10;
int c = ++a + a++;
printf("a=%d\nc=%d", a, c);
}
sir it output is
a=12
c=23
but by solving manual i got ans a=12 c=22
so how the prgrm execute plz explan sir?

[sarvprathaminstitue]

Int a=1, b;
b =a++ + a++;
Aapke method se answer wrong aa rha hai sir. B=2 and a = 3

[fasahatraza]

Wrong answer.
*Rule: when a variable gets more than one time increment or decrement in a single statement than the result will be compiler dependent