C++ | const keyword | Question 5

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#include <stdio.h>
int main()
{
   const int x;
   x = 10;
   printf("%d", x);
   return 0;
}
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(A) Compiler Error
(B) 10
(C) 0
(D) Runtime Error

Answer: (A)
Explanation: One cannot change the value of ‘const’ variable except at the time of initialization. Compiler does check this.
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