More Problems

• Replace all prime numbers in an array with -1.
• Find the largest prime factor of each element in an array.
• Check if all elements in an array are perfect squares.
• Find the sum of all perfect square numbers in an array.
• Count how many times the minimum element appears in an array.
• Find the number of elements in an array that are divisible by their index.
• Find the number of elements in an array that are divisible by the index of the element after them.
• Find the row in a 2D array that has the most negative numbers.