anonymous
  • anonymous
I want to convert a char to int like '7' to 7 (in C++) but every time I try it gives me its ASCII value. Basically I just want to multiply two characters like '7' * '7' = 49.
Computer Science
chestercat
  • chestercat
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jagatuba
  • jagatuba
I solved a similar problem to this in Java by subtracting the appropriate amount from the ascii value. So numerals 0-9 ascii values are 30-39, so simply subtract 30 from your ascii value and assign it to the variable that you want. Pseudo code: Print "Enter a number: " Input numString Parse numString to numAscii numInt=numAscii-30 numInt=numInt*7 Print numInt
jagatuba
  • jagatuba
You could also mod 10 the ascii value.
anonymous
  • anonymous
for the '0' to '9' ASCII characters, just subtract '0' (the character) from it, because character literals in C (and i think C++ as well) are just integer values of their ASCII encoding. for example: http://ideone.com/noXGk

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jagatuba
  • jagatuba
Thanks agdg. I knew you'd pipe in with something useful.

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