More Problems

• Find the number of elements in an array that are both perfect squares and divisible by a given number.
• Find the number of elements in an array that are multiples of their index.
• Find the number of elements in an array that are divisible by both 2 and their index.
• Find the row in a 2D matrix that contains the most negative numbers.
• Count how many columns in a 2D matrix contain only prime numbers.
• Find the product of all elements that are at even indices in an array.
• Find the sum of the second largest and second smallest elements in an array.
• Replace all negative numbers in an array with the absolute value of their index.