<p>The famous gangster Vito Deadstone is moving to New York. He has a very big family there, all of them living on Lamafia Avenue. Since he will visit all his relatives very often, he wants to find a house close to them. Indeed, Vito wants to minimize th…

Given a <i>m</i> by <i>n</i> grid of letters, (<!-- MATH: $1 \leq m,n \leq 20$ --><img src="/admin/../upload/pimg1511_1.gif" alt="$1 \leq m,n \leq 20$" align="MIDDLE" border="0" height="30" width="111">), and a list of words…

<p>Given two strings a and b, print the longest string x of letters such that there is a permutation of x that is a subsequence of a and there is a permutation of x that is a subsequence of b.</p>

The game of Yahtzee involves five dice, which are thrown in 13 rounds. A score card contains 13 categories. Each round may be scored in a category of the player's choosing, but each category may be scored only once in the game. The 13 categories are scored as …

<img src="/admin/../upload/pimg1510_1.png"> </div> <p align="justify"> A common typing error is to place your hands on the keyboard one row to the right of the correct position. Then ``<tt>Q</tt>'' is typed as ``<tt>W</tt…

<p>A standard playing card deck contains 52 cards, 13 values in each of four suits. The values are named 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King, Ace. The suits are named Clubs, Diamonds, Hearts, Spades. A particular card in the deck can be uniquel…