Last non-zero digit
Given a number n, find the last non-zero digit of the factorial of that number.
You need to take care of the large values of n....
circa un mese ago
Solved
Hangman (easy)
What is the best letter to start a <http://en.wikipedia.org/wiki/Hangman_(game) hangman> game with?
You are given a cell arra...
circa un mese ago
Solved
number of groups
In a classroom, *n* students work on a special project and the other students work in groups of five. If there are 18 students i...
circa un mese ago
Solved
Greed is good - Simple partition P[n].
Find a simple partition P[n].
E.g. P[10] = 4 + 3 + 2 + 1.
# There are many solutions, compute just one set.
# Don't repeat ...