Look at the following piece of code in C++:

char a1[] = {'a','b','c'};
char a2[] = "abc";
cout << sizeof(a1) << endl << sizeof(a2) << endl;

Though sizeof(char) is 1 byte, why does the output show sizeof(a2) as 4 and not 3 (as in case of a1)?

c++ arrays string sizeof
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