«

Hi All,

I have the following problem please help me in solving this.

#include <stdio.h>
main()
{
int i, n=20;
for(i=0;i<n; i--)
{
printf("-");
}
}

Only one character in the above needs to be modified such that the character
'-' will be printed 20 times.
People say there are 3 ways of doing it but i could figure out only one way
given below.

#include <stdio.h>
main()
{
int i, n=20;
for(i=0;i<n; n--)
{
printf("-");
}
}

Can someone crack the other 2 possibilities.


regards,
Venkat

> Can someone crack the other 2 possibilities.

Here is one:

for(i=0;-i<n; i--)

"Niels Dybdahl" <> wrote in message
news:412def76$0$182$. ..
> > Can someone crack the other 2 possibilities.
>
> Here is one:
>
> for(i=0;-i<n; i--)
>

Niels thanks for a quick response, the 2nd possibility

is for(i=0;i<n;n--)

we just need the 3rd one.

Venkat wrote:
> "Niels Dybdahl" <> wrote in message
> news:412def76$0$182$. ..
>
>>>Can someone crack the other 2 possibilities.
>>
>>Here is one:
>>
>>for(i=0;-i<n; i--)
>>
>
>
> Niels thanks for a quick response, the 2nd possibility
>
> is for(i=0;i<n;n--)
>
> we just need the 3rd one.

for(i=0;i+n; i--)

Victor

"Venkat" <> wrote:
>
> #include <stdio.h>
> main()
> {
> int i, n=20;
> for(i=0;i<n; i--)
> {
> printf("-");
> }
> }
>
> Only one character in the above needs to be modified such that the character
> '-' will be printed 20 times.
> People say there are 3 ways of doing it but i could figure out only one way
> given below.
>
> for(i=0;i<n; n--)

for (i=0;i+n; i--)

PS. I don't think "for (i=0;-i<n; i--)" counts because that is
adding a character, not changing one. Did you quote the original
problem exactly? If it were "for(i=0; i<n; i--)" then you could
change the space to a minus.

"Venkat" <> wrote in message news:<1093531576.117124@sj-nntpcache-3>...
> "Niels Dybdahl" <> wrote in message
> news:412def76$0$182$. ..
> > > Can someone crack the other 2 possibilities.
> >
> > Here is one:
> >
> > for(i=0;-i<n; i--)
> >
>
> Niels thanks for a quick response, the 2nd possibility
>
> is for(i=0;i<n;n--)
>
> we just need the 3rd one.

Piece of cake:

#include <stdio.h>
main()
{
int i, n=20;
for(i=0;i+n; i--)
{
printf("-");
}
}

"Venkat" <> wrote in message news:<1093531576.117124@sj-nntpcache-3>...
> "Niels Dybdahl" <> wrote in message
> news:412def76$0$182$. ..
> > > Can someone crack the other 2 possibilities.
> >
> > Here is one:
> >
> > for(i=0;-i<n; i--)
> >
>
> Niels thanks for a quick response, the 2nd possibility
>
> is for(i=0;i<n;n--)
>
> we just need the 3rd one.

#include <stdio.h>
main()
{
int i, n=20;
for(i=0;i+n; i--)
{
printf("-");
}
}