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