Consider the natural numbers from 1 to N. By associating to each number a sign (+ or -) and calculating the value of this expression we obtain a sum S. The prob...
A numeric sequence of ai is ordered if a1 < a2 < … < aN. Let the subsequence of the given numeric sequence (a1, a2, …, aN) be any sequence (ai1, ai2, …, aiK), w...
DescriptionBackground Everybody hates Raymond. He’s the largest stamp collector on planet earth and because of that he always makes fun of all the others at ...
One of the first users of BIT’s new supercomputer was Chip Diller. He extended his exploration of powers of 3 to go from 0 to 333 and he explored taking various...
Problem Description Farmer John made a profit last year! He would like to invest it well but wonders how much money he will make. He knows the interest rate R...