What is the output of the following C program?#include int main(void) { int x, *p; x = 30; p = x; printf("%d", *p); return 0; }

What is the output of the following C program?#include <stdio…

Unit 3 · Programming Languages and Computer Graphics Paper 2 CS · June 2024 (Cancelled Exam)

What is the output of the following C program?

#include <stdio.h>
int main(void) {
  int x, *p;
  x = 30;
  p = x;
  printf("%d", *p);
  return 0;
}

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: D. Error

Explanation

p = x assigns an int to a pointer (it should be p = &x). This is a constraint violation, and dereferencing address 30 is invalid, so the result is an error.

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What is the output of the following C program?#include <stdio.h> int main(void) { int x, *p; x = 30; p = x; printf("%d", *p); return 0; }

Explanation

More Programming Languages and Computer Graphics questions

What is the output of the following C program?
#include <stdio.h> int main(void) { int x, p; x = 30; p = x; printf("%d", p); return 0; }