Actually i wrote calculator in c++ and i get my

Question

Actually i wrote calculator in c++ and i get my

input as string
next ill convert it to inetger number
but now i wanna validate the input that care and dont give permission to user that write charecter in input
what should i do?
have you anyidea?

0

24.09.2021

4 ответов

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Mihai

0

24.09.2021

''''''' '''''''

here u go

0

24.09.2021

M.S Автор вопроса

''''''' '''''''
here u go

Can i use str.size instead of length?

0

24.09.2021

''''''' ''''''' · Accepted Answer

''''''' '''''''

Convert string to integer and check if the ascii value is that of an integer

0

24.09.2021

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Actually i wrote calculator in c++ and i get my

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