# Status Problem video Level Completes Likes
373

Longest substring with at most two unique characters

Medium % 0
366

Java program to find the largest element in array

Beginner % 0
311

Linear Search Algorithm

Beginner % 0
216

Find the element which appears maximum number of times in the array.

Medium % 0
215

Find duplicates in an given array in O(n) time and O(1) extra space.

Medium % 0
117

Track the Maximum Element in a Stack.

Medium % 1
83

Search an Element in a Rotated Sorted Array

Medium % 0
6

Find a peak element in a Given Array

Beginner % 0

Longest substring with at most two unique characters

Java program to find the largest element in array

Linear Search Algorithm

Find the element which appears maximum number of times in the array.

Find duplicates in an given array in O(n) time and O(1) extra space.

Track the Maximum Element in a Stack.

Search an Element in a Rotated Sorted Array

Find a peak element in a Given Array