# Status Problem Level Completes Likes 281 Check if one string is Rotation of another string Beginner % 1 282 String Compression using count of repeated characters - Run Length Encoding Beginner % 0 283 Replace all spaces in a String with '%20' Medium % 0 284 Find Whether Two Strings are Permutation of each other Beginner % 1 285 Find Intersection Point in Two Linked List Medium % 0 286 Find the Loop in a Linked list, find its length and Break the Loop Medium % 0 287 Reverse a Linked List Beginner % 0 288 Count All Paths from Top left to bottom right in Two Dimensional Array including Diagonal Paths Medium % 1 289 Print All Paths from Top left to bottom right in Two Dimensional Array Medium % 0 290 Merge or Combine Two Sorted Linked Lists Medium % 0 291 Rearrange Positive and Negative Numbers of Array On Each Side in O(nlogn) Hard % 0 292 Find The Longest Sequence Of Prefix Shared By All The Words In A String Medium % 0 293 Print All Elements of Two Dimensional Array in Spiral Medium % 0 294 Find a pair of numbers from an array whose sum equals k Beginner % 0 295 Check If String has All Unique Characters Beginner % 0 296 Find Whether Given String is palindrome or Not. Beginner % 0 297 Find a peak element in a Given Array Beginner % 0 298 Find two Missing Numbers in a Sequence of Consecutive Numbers Beginner % 0 299 Find a Missing Number From a Sequence of Consecutive Numbers Beginner % 0 Check if one string is Rotation of another string 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 Print All Paths from Top left to bottom right in Two Dimensional Array 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 Print All Elements of Two Dimensional Array in Spiral 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 Find a Missing Number From a Sequence of Consecutive Numbers 1 2 3 4 5 6 7 8 9