How we use sizeof in string?

Answer 1

C++ :
Using sizeof with a string results in the size of whole string.
Example:-
char str[10]="Sololearn";
cout<<sizeof(str);
Output will be 10 (one character occupies 1 byte, so a 10 character string will be of 10 bytes)
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Answer 2

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Answer 3

int sizeOfStr = sizeof(str) / sizeof(char);