You are given N blocks of height 1…N. In how many ways can you arrange these blocks in a row such that when viewed from left you see only L blocks (rest are hidden by taller blocks) and when seen fro
Given a rectilinear shape, how do I efficiently check if it 开发者_开发问答is valid and point out the part that is not valid?
At the outset this looks pretty simple, however this was an interview question and the trick is as follows :
F开发者_如何转开发or example, I have a p.d.f f(x) = 1/25 - x/1250 (from x = 0 to 50); My question is that how to generate a set of values that satisfy the given p.d.f.
Okay, so, say I have a text file (not necessarily containing every possible symbol) and I\'d like to calculate the frequency of each symbol and, after calculating the frequency, I then need to access
I was wondering how they did come up with the way of setting permissions using chmod by开发者_如何学JAVA just using numbers. For example:
Given two strings, S1 & S2. given scoring scheme where gap penalty, mismatch score and match score.
I was thinking, I wanted to do a variation on the Knapsack Problem. Imagine the original problem, with items with various weights/value.
I came across this problem during an interview forum., Given an int array which might contain duplicates, find the largest subset of it which form a sequence.
There was this old game (J2ME) but I cannot find it now in google. The name was \"Capture\".(Accoring to the commen开发者_StackOverflowts it\'s more like \"Jezzball\")