Ritesh Mahato questions

• Given x,y, How to find whether x! is divisible by y or not?
• What is the fastest way to find integer square root using bit shifts?
• Rearrange an array so that arr[i] becomes arr[arr[i]] with O(1) extra space
• In an unsorted array, replace every element by the first larger element to the right

Ritesh Mahato answers