[Solved] Find the mistake in this C code:int main() { int x = 10; int *p = &x; p = 20; return 0; } — Ans: Assigning integer value directly to pointer variable | C

C - Basics and Execution Environment

Find the mistake in this C code:

int main() {
    int x = 10;
    int *p = &x;
    p = 20;
    return 0;
}

APointer p is not declared

BAssigning integer value directly to pointer variable

CMissing return statement

DIncorrect variable initialization

Step-by-Step Solution

Solution:

Step 1: Analyze pointer assignment
Pointer p should hold an address, not a direct integer value.
Step 2: Identify invalid assignment
Assigning 20 directly to p is invalid and causes a type error.
Final Answer:
Assigning integer value directly to pointer variable -> Option B
Quick Check:
Pointer must hold address, not integer value [OK]

Quick Trick: Pointers store addresses, not direct integer values [OK]

Common Mistakes:

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