# Status Problem video Level Completes Likes
25

String Compression using count of repeated characters - Run Length Encoding

Beginner % 0
24

Replace all spaces in a String with '%20'

Medium % 0
23

Find Whether Two Strings are Permutation of each other

Beginner % 1
22

Find Intersection Point in Two Linked List

Medium % 0
21

Find the Loop in a Linked list, find its length and Break the Loop

Medium % 0
20

Reverse a Linked List

Beginner % 0
19

Count All Paths from Top left to bottom right in Two Dimensional Array including Diagonal Paths

Medium % 1
17

Merge or Combine Two Sorted Linked Lists

Medium % 0
15

Rearrange Positive and Negative Numbers of Array On Each Side in O(nlogn)

Hard % 0
14

Find The Longest Sequence Of Prefix Shared By All The Words In A String

Medium % 0
12

Find a pair of numbers from an array whose sum equals k

Beginner % 0
11

Check If String has All Unique Characters

Beginner % 0
7

Find Whether Given String is palindrome or Not.

Beginner % 0
6

Find a peak element in a Given Array

Beginner % 0
5

Find two Missing Numbers in a Sequence of Consecutive Numbers

Beginner % 0

String Compression using count of repeated characters - Run Length Encoding

Replace all spaces in a String with '%20'

Find Whether Two Strings are Permutation of each other

Find Intersection Point in Two Linked List

Find the Loop in a Linked list, find its length and Break the Loop

Reverse a Linked List

Count All Paths from Top left to bottom right in Two Dimensional Array including Diagonal Paths

Merge or Combine Two Sorted Linked Lists

Rearrange Positive and Negative Numbers of Array On Each Side in O(nlogn)

Find The Longest Sequence Of Prefix Shared By All The Words In A String

Find a pair of numbers from an array whose sum equals k

Check If String has All Unique Characters

Find Whether Given String is palindrome or Not.

Find a peak element in a Given Array

Find two Missing Numbers in a Sequence of Consecutive Numbers