aashirwad01 / javascript_dsa

DSA practice in Javascript

• day 1:

  • Questions :
  • Question 1: Implement filter , map ,reduce from scratch
  • Question 2: Find a way to access array element given (array of objects) using it's index and modify it's content ( i.e it's object)
  • New Learnings :
  • Question 1: Learnt using Arry.prototype and this keyword , use of filter , map and reduce and values passed to it .

• day 2:

  • Question :
  • Question 1: Find if two arrays are cyclic rotations of one another
  • New learning
  • Done in O(n) time complexity

• day 3:

  • Question :
  • Question 1: Two sum (Given an array of numbers find two numbers which when added are equal to inputted no). There is one unique solution exactly.
  • Question 2: Three sum(Given an array of numbers find all the triplets which when added are equal to 0 )
  • New Learning
  • Use of hashmap keys for uilizing in key word of fastly finding the element