Re: How to make integer to store 01 instead of 1 ?
gopesh patel wrote:
On Sep 16, 9:12 am, Goran Pusic <gor...@cse-semaphore.com> wrote:
On Sep 16, 12:24 am, gopesh patel <patelgop...@gmail.com> wrote:
Hello all,
I try to store number 01 in integer i like this : int i = 01; cout
<< i ;
You do not understand what "int" means. More generally, you do not
understand how numbers are represented in a computer. There is no such
thing as an "int with value 01". There is only value 1. "0" is just
padding that you can add when you turn your "int" into a string of
characters (which happens for you when you "insert" a number into a
stream).
It simply prints 1. What I want is to print 01.
Is it possible ?
Try
#include <iomanip>
cout << setw(2) << setfill('0') << i;
Goran.
Thanks for your answers.
I do understand what integer means and how computer stores it.
I try to be more specific. I dont want to pad 0 to int i in cout. So
iomanip is useless for me.
What I want is when I convert integer 1 to string, the value of string
should become 01 (I want to pad 0 to string after converting it from
int).
Any ideas ?
#include <iomanip>
#include <iostream>
#include <sstream>
#include <string>
int main()
{
int i = 1;
std::ostringstream oss;
oss << std::setw(2) << std::setfill('0') << i;
std::string s = oss.str();
std::cout << s << '\n';
return 0;
}
Cheers,
Stu
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