関連ワード:  fractional knapsack practice problem    0 1 knapsack practice problem    fractional knapsack example problem    fractional knapsack problem practice gfg    fractional knapsack problem example with solution    fractional knapsack problem exercise    0 1 knapsack problem practice gfg    0 1 knapsack example problem    0 1 knapsack problem example with solution    0 1 knapsack problem example using dynamic programming