Topic: stack-problem / Level: beginner

• 901. Write a program to push elements into a stack and remove every number that is divisible by both 5 and 12.
• 902. Create a function to push numbers into a stack and count how many of them are perfect cubes.
• 903. Write a program to reverse every second element in a stack without using another stack.
• 904. Implement a function to push the elements of a list into a stack and remove elements greater than 50.
• 905. Write a program to push numbers into a stack and remove all multiples of both 3 and 7.
• 906. Create a function to reverse every second group of k elements in a stack using recursion.
• 907. Write a program to push elements into a stack and pop elements until their product exceeds 250.
• 908. Implement a function to push numbers into a stack and count how many of them are even.
• 909. Write a program to push elements into a stack and reverse the first half of the stack.
• 910. Create a function to push the digits of a number into a stack and reverse them if the number is a palindrome.
• 911. Write a program to push elements into a stack and remove the smallest number in the stack.
• 912. Implement a function to reverse every fourth element in a stack using recursion.
• 913. Write a program to push elements into a stack and pop every prime number greater than 40.
• 914. Create a function to push elements from two stacks into a third stack in reverse order.
• 915. Write a program to reverse the digits of all numbers in a stack that are divisible by 8.
• 916. Implement a function to push the elements of a matrix into a stack row by row and reverse each row.
• 917. Write a program to push numbers into a stack and remove every second number greater than 20.
• 918. Create a function to reverse the order of the elements in a stack without using recursion.
• 919. Write a program to push elements into a stack and pop the first element that is divisible by both 4 and 6.
• 920. Implement a function to push elements into a stack and count how many of them are prime-indexed.
• 921. Write a program to reverse every second pair of elements in a stack using recursion.
• 922. Create a function to push the elements of a binary search trees preorder traversal into a stack.
• 923. Write a program to push elements into a stack and remove every element that is greater than the top element.
• 924. Implement a function to push numbers into a stack and remove all multiples of 17.
• 925. Write a program to push the elements of a queue into a stack and reverse their order.
• 926. Create a function to push the elements of a matrix column by column into a stack and reverse them.
• 927. Write a program to reverse the digits of all prime numbers in a stack using recursion.
• 928. Implement a function to push elements into a stack and count how many of them are perfect squares.
• 929. Write a program to push numbers into a stack and remove every number greater than 35.
• 930. Create a function to push the digits of a number into a stack and reverse them if the number is divisible by 10.
• 931. Write a program to push elements into a stack and pop every element smaller than the bottom element.
• 932. Implement a function to reverse the top half of a stack using recursion.
• 933. Write a program to push elements from two arrays into a stack, alternating between positive and negative numbers.
• 934. Create a function to push numbers into a stack and count how many of them are divisible by 5 and 9.
• 935. Write a program to reverse every other element in a stack using recursion.
• 936. Implement a function to push the elements of a matrix into a stack diagonally and reverse them.
• 937. Write a program to push elements into a stack and remove every prime-indexed element.
• 938. Create a function to push the elements of a binary trees postorder traversal into a stack.
• 939. Write a program to push numbers into a stack and remove all multiples of both 3 and 6.
• 940. Implement a function to reverse every second group of k elements in a stack using a second stack.
• 941. Write a program to push elements into a stack and count how many of them are divisible by 2 and 8.
• 942. Create a function to reverse the digits of all even numbers in a stack using recursion.
• 943. Write a program to push numbers into a stack and remove all multiples of 11.
• 944. Implement a function to push elements into a stack and pop the first element that is greater than the top element.
• 945. Write a program to reverse the order of elements in every second group of 4 elements in a stack.
• 946. Create a function to push the digits of a number into a stack and reverse them if the number is even.
• 947. Write a program to push elements into a stack and remove the top k elements.
• 948. Implement a function to push elements from two stacks into a third stack and reverse them.
• 949. Write a program to push the elements of a matrix into a stack row by row and reverse the matrix.
• 950. Create a function to push elements into a stack and count how many of them are greater than 20.

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• Intermediate
• Advanced