Difficulty Levels

Choose your challenge. Start easy and work your way up.

215
Total Problems

Count of Inversions – Base 6 – TCS CodeVita

Count inversions in a derived sequence formed by sum of digits in base 6 representation

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Right Arrow Pattern Program In Python

Print an arrow pattern using hyphens and asterisks based on an odd integer N

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Pattern – Integer to Alphabets

Convert a given integer to its corresponding alphabetic representation where 1=A, 2=B, ..., 26=Z, 27=AA, 28=AB, etc.

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Python Interview Questions

A comprehensive collection of Python programming interview questions covering fundamental concepts, syntax, and practical applications.

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Count of Power of X

Count the number of integers in a list that are exact powers of a given base number X

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Python Program To Sort K length Sub-Strings

Sort and print all unique combinations of substrings of length K from a given string

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Python Program To Check Subsequence Of Two Strings

Check if one string is a subsequence of another string by verifying all characters appear in the same order

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Bottle Necks – TCS CodeVita

Find the minimum number of visible bottles after optimally nesting smaller bottles inside larger ones.

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K Palindromic Integers Program In Python

Find the first K palindromic integers greater than a given number N.

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Longest Substring with a and b count

Find the length of the longest substring containing equal numbers of 'a' and 'b' characters

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Triangle Count from Array Program In Python

Count the number of valid triangles that can be formed from an array of integers where the sum of any two sides must be greater than the third side.

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Count the Ships

Count the number of ships in an N×N grid where ships are connected '#' cells in any of 8 directions

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