how to convert a string to number

[palani12kumar]

hi. I want to get a string as input.
If the input is an integer i want to save it to an int variable.
I know to convert a number to int. but how to convert a string to number(integer) . in C++

[horace1]

hi. I want to get a string as input.
If the input is an integer i want to save it to an int variable.
I know to convert a number to int. but how to convert a string to number(integer) . in C++

In C++ you can use stringstream for this, see
http://www.cppreferenc e.com/cppsstream/all.html

[wiss]

hi. I want to get a string as input.
If the input is an integer i want to save it to an int variable.
I know to convert a number to int. but how to convert a string to number(integer) . in C++

you can apply atoi () or atof () from the c language.

string s = "10";
int i = atoi(s.c_str()) ;

[palani12kumar]

Thank you for the kind Help