CODING
SYSTEM DESIGN
PLACEMENT PREP.
BLOG
LOGIN/REGISTER
MY ACCOUNT
LOGOUT
Traversing a matrix in spiral order
Given a Matrix, write a function that will print the elements in spiral order. For example, if the Matrix is as below: Then the output
[…]
Rotating an array around a pivot
Given an Array of (say) integers like below: 1 2 3 4 5 6 7 8 and an index, say, 2. Write a function which
[…]
Permutations of a String or Array
Print all possible permutations of an Array or a String. For Example: If the array is arr={1, 2, 3}. Then the possible permutations are: 1
[…]
Minimum path sum in a matrix
Given a Matrix of positive integers and 2 cells A & B. You have to reach from A to B covering cells such that the
[…]
Sorting a binary array (which has only 0 & 1)
Given an array which has only 0’s and 1’s. Write an algorithm which will sort this array. (i.e separate 0’s and 1’s by bringing 0’s
[…]
Shift elements in the array forward by k places
Given an array of m elements and an integer k ( total size of array >= m+k), . Write code to shift all the elements
[…]