Archive for the 'C/C++' Category

ABC to Convert Integers to Strings in C++

June 23, 2009

I was solving a problem in TopCoder. It required a conversion of  integer to a string. This is simple in Java but a little complicated in C++. So, I am jotting down here some of the link that helped me. I will also try to make a mention of the problem associated with them.
The first [...]

How to use scanf to read Strings with Spaces ?

June 10, 2009

I knew this for two years now, but it dint strike me before to put it up in the blog; don’t know why ?
Its easy and simple, I don’t think I need to explain. Only the syntax needs to be remembered.
scanf(” %[^\n]s”,a);
May be you get a question in your mind. What does ‘[^\n]‘ do ? [...]

How to set precision in C++

June 1, 2009

In C++, you can use the ‘precision’ function to set the precision of the output. The function ‘precision’ is present in the header file ‘iostream.h’. The following,
cout.precision(n);
will have totally print ‘n’ d igits in the output with the decimal point in between(say ‘x’ before the decimal and ‘n-x’ after the decimal. The value of x [...]