Computer Sciences > GATE 2026 SET-2 > Programming and Data Structures
Consider the following ANSI-C program.
The output of this program is ____________. (answer in integer)
Note: Assume that the program compiles and runs successfully.
Note: Assume that the program compiles and runs successfully.
Correct : 9
Explanation:
1. int *ptr, a, b, c; (Declares variables)
2. a=5; b=11; c=20; (Initial values set)
3. ptr=&a; (ptr points to a)
4. *ptr=c; (Value of a becomes equal to c, so a = 20)
5. ptr=&c; (ptr now points to c)
6. a=*(&b); (Value of a becomes equal to b, so a = 11)
7. c=*ptr-a; (Since ptr points to c, *ptr is 20. Thus, c = 20 - 11 = 9)
8. printf("%d",c); (Outputs 9)
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