# Status Problem video Level Completes Likes
124

Create a Specific Triangle Pattern from an Array

Beginner % 0
117

Stack with Max Tracking: Find the Largest Element (Optimized)

Medium % 1
116

Generate All Balanced Parentheses Combinations (N Pairs)

Medium % 1
114

Counting Sort Algorithm

Medium % 0
111

Find Unique Number in Array with Duplicates (Except One)

Beginner % 1
110

Tricky Sorting: Sort 3 Numbers Without If Statements (or Only Max())

Beginner % 0
108

Queue with Stacks: Efficient Implementation Using Stack Operations

Medium % 0
94

Depth First Search/Traversal in Binary Tree

Beginner % 0
92

Check if Array Contains All Elements Of Some Given Range

Medium % 0
91

Check if Array is Consecutive Integers

Beginner % 0
90

Find Subarray with Sum Equal to a Target Value

Medium % 0
89

Find Smallest Subarray Exceeding a Target Sum

Medium % 0
88

Rearrange Array: Positive and Negative Elements Alternating

Hard % 0
87

Find Intersection of Two Sorted Arrays

Beginner % 0
86

Find Kth Smallest or Largest element in an Array

Medium % 0
85

Find Maximum Distance Between Increasing Elements in Array

Medium % 0
84

Elements in an Array Occurring More Than N/K Times

Hard % 0
83

Find Element in Rotated Sorted Array

Medium % 0

Create a Specific Triangle Pattern from an Array

Stack with Max Tracking: Find the Largest Element (Optimized)

Generate All Balanced Parentheses Combinations (N Pairs)

Counting Sort Algorithm

Find Unique Number in Array with Duplicates (Except One)

Tricky Sorting: Sort 3 Numbers Without If Statements (or Only Max())

Queue with Stacks: Efficient Implementation Using Stack Operations

Depth First Search/Traversal in Binary Tree

Check if Array Contains All Elements Of Some Given Range

Check if Array is Consecutive Integers

Find Subarray with Sum Equal to a Target Value

Find Smallest Subarray Exceeding a Target Sum

Rearrange Array: Positive and Negative Elements Alternating

Find Intersection of Two Sorted Arrays

Find Kth Smallest or Largest element in an Array

Find Maximum Distance Between Increasing Elements in Array

Elements in an Array Occurring More Than N/K Times

Find Element in Rotated Sorted Array