Ladder operator by tompng

loop{1.upto(a=2*eval(gets)+1){|i|s=[0]*a;s[i]&&=i.*a.to_i-i;puts s*' '}}

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

To protect the system from spam, please input your favorite sport (hint: I believe its name must start with 'g', case insensitive)

download

return to the top page