The document discusses the knapsack problem and provides examples to illustrate the recursive solution approach. It describes the knapsack problem as selecting items to place in a knapsack with a weight capacity to maximize the total benefit without exceeding the weight limit. It shows that the optimal solution can be found using a recursive function f(w) that returns the maximum benefit for a knapsack of weight w. The examples demonstrate computing f(w) values to find the optimal solutions for sample knapsack problems.