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C++ Institute CLA-11-03 Exam - Topic 2 Question 2 Discussion

What happens if you try to compile and run this program?#include int main (int argc, char *argv[]) {int main, Main, mAIN = 1;Main = main = mAIN += 1;printf ("%d", MaIn) ;return 0;}Choose the right answer:
C) Compilation fails
A) The program outputs 1
B) The program outputs 3
D) The program outputs 2
E) The program outputs an unpredictable value

C++ Institute CLA-11-03 Exam - Topic 2 Question 2 Discussion

Actual exam question for C++ Institute's CLA-11-03 exam
Question #: 2
Topic #: 2
[All CLA-11-03 Questions]

What happens if you try to compile and run this program?

#include

int main (int argc, char *argv[]) {

int main, Main, mAIN = 1;

Main = main = mAIN += 1;

printf ("%d", MaIn) ;

return 0;

}

Choose the right answer:

Show Suggested Answer Hide Answer
Suggested Answer: C

The program is not a valid C program and cannot be compiled successfully. The reason is that the program uses the same name main for both a function and a variable, which is not allowed in C. The name main is a reserved keyword that denotes the entry point of the program, and it cannot be redefined or reused for any other purpose. Therefore, the compiler will report an error and the program will not run. Reference = C - main() function - Tutorialspoint, C Keywords - GeeksforGeeks, C Basic Syntax


by Lizette at Oct 02, 2026, 05:02 AM

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