What will be the output of the following C code?#include

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What will be the output of the following C code?

#include <stdio.h>
    union
    {
        int n;
        char ch;
    }U;
    int main()
    {
        U.ch = 201;
        printf("%d\n", sizeof(U));
    }

1. sizeof(int) + sizeof(char)
2. sizeof(char)
3. Compilation Error
4. Depends on the compiler
5. None of these

Correct Option: B

sizeof(char)