easy
just make pipe redirection
for example
main.cpp
int main()
{
int i = 0;
for (int j = 0; j < 6 ; j++)
{
scanf ( "%d" , &i );
printf ( "input is %d" , i );
}
return 0;
}
and file a.txt
12
23
34
45
54
34
23
23
12
34
56
In windows it will create main.exe
so from command-line just write(main.exe and a.txt are in same folder
(assume))
main.exe < a.txt
output
12
23
34
45
54
34
23
On Fri, Mar 29, 2013 at 11:16 PM, champ <cham3...@gmail.com> wrote:
> Yes,I am using c++ and compiler vc++ and i am not able to take input
> through command line. And fstream method would be very time consuming
>
> On 3/27/13, Carlos Guia <carlos.guia.v...@gmail.com> wrote:
> > Since you mention fstream I'll guess you are using C++.
> >
> > You can use "freopen" to redirect input/output in code.
> >
> > Or, in a terminal you can run your program (called "program" here) as:
> > program < problem.in > problem.out
> >
> > Carlos Guía
> >
> >
> > On Tue, Mar 26, 2013 at 4:45 PM, champ <cham3...@gmail.com> wrote:
> >
> >> How i am supposed to take input and do output without using fstream?
> >>
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