# Status Problem video Level Completes Likes
363

Evaluation of Infix expressions

Medium % 0
361

Convert Prefix to Infix Expression

Medium % 0
358

Infix, Postfix and Prefix Notations/Expressions

Beginner % 0
357

Count Set bits in a given Number

Beginner % 1
353

Reverse a given number

Beginner % 1
352

Check if given number is perfect square - O(√N) Solution

Beginner % 0
330

Check if Given Number is power of 2

Beginner % 1
319

Get the Sum of Digits in a number till it become a single digit

Medium % 0
317

Check if given number is Prime - O(√N) Solution

Medium % 0
299

Minimum number of guesses needed to find a number

Beginner % 0
293

Convert Number to base 3 String Representation

Beginner % 1
167

Generate Well Ordered Passwords of a Given Length K

Medium % 0
127

Find numbers that are palindrome in the decimal and octal Representations

Beginner % 0
123

Colorful Numbers

Hard % 2

Evaluation of Infix expressions

Convert Prefix to Infix Expression

Infix, Postfix and Prefix Notations/Expressions

Count Set bits in a given Number

Reverse a given number

Check if given number is perfect square - O(√N) Solution

Check if Given Number is power of 2

Get the Sum of Digits in a number till it become a single digit

Check if given number is Prime - O(√N) Solution

Minimum number of guesses needed to find a number

Convert Number to base 3 String Representation

Generate Well Ordered Passwords of a Given Length K

Find numbers that are palindrome in the decimal and octal Representations

Colorful Numbers