Unbounded Knapsack Dynamic Programming: Combinations vs Permutations

Unbounded Knapsack ProblemIn the classic 0/1 Knapsack problem, each item can be selected at most once. The Unbounded Knapsack problem modifies this constraint: each item can be chosen an unlimited number of times. Consider a knapsack with a maximum capacity of 4, and the following items:ItemWeightValueA115B320C430The core difference in implemen ...

Posted on Sun, 17 May 2026 17:18:17 +0000 by bbristow

Determining Feasibility of Safe Aircraft Landing Sequence with Single Runway

Problem Description N aircraft are preparing to land at an airport with only one runway. The i-th aircraft arrives above the airport at time Ti and has enough remaining fuel to continue circling for Di units of time. This means it can begin landing at the earleist at time Ti, and at the latest at time Ti + Di. The landing process itself require ...

Posted on Sun, 17 May 2026 06:05:57 +0000 by inkfish