MadeEasy Test Series: Programming & DS - Programming In C

Question

 

Comments

I am not able to understand the second statement in main().Can you explain how the typecasting is working?And yes the answer is A.

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its mean 

arr [6] = 

10

20

30

40

50

60

x

y

1000              1001             1002         1003              1004              1005      1006   1007 .

char *ptr = (char*) (& arr +1) = skip the array arr[6] and reach to 1006

now in the next line, they were given,

(ptr−1) its mean that  1006-1 =1005

*(ptr-1) = 60

 

@srestha ma'am please check 

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https://gateoverflow.in/254355/test-series-question

https://gateoverflow.in/254844/3d-array

https://gateoverflow.in/254912/multidimensional-array

https://gateoverflow.in/221529/multidimensional-pointer-arithmetic

check all if you want clear explanation

Answer 1

arr [6] =     

10

20

30

40

50

60

x

y

 1000              1001             1002         1003          1004              1005       1006     1007 . 

char *ptr = (char*) (& arr +1) = skip the array arr[6] and reach to 1006 

now in the next line, they were given,

(ptr−1) its mean that  1006-1 =1005

*(ptr-1) = 60

Answer 2

1st element 20 and last element 60 will be printed