#include &lt;stdio.h&gt;    int main&#40;&#41;    &#123;        char c = '�';        putchar&#40;c&#41;;    &#125;
A. Compile time error
B. Nothing
C. 0
D. Undefined behaviour
Answer:A
#include &lt;stdio.h&gt;    int main&#40;&#41;    &#123;        char c = '�';        putchar&#40;c&#41;;    &#125;
A. Compile time error B. Nothing C. 0 D. Undefined behaviour