Difficulty Levels

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

215
Total Problems

Function getOnesCount – CTS PATTERN

Fix the given function to correctly count the number of 1's in the binary representation of an integer.

easy
43

Robot Movements

Count the number of left, right, up, and down movements of a robot navigating from the top-left to the bottom-right of a matrix

medium
42

Second Largest Integer – Greater than X

Find the second largest integer from a list that is greater than a given threshold X

easy
42

Remove Characters from Left

Find the minimum number of characters to remove from the left side of two strings so that the remaining parts become equal (case-insensitive).

medium
42

Collect Max Points

Find the maximum points a kid can collect while navigating through an M×N matrix where movement is restricted to right, top-right, or bottom-right directions.

medium
42

Zig Zag Traversal From Bottom

Print elements of a matrix in zig zag order starting from the bottom right corner

medium
42

Octal Equivalent Of N

Convert a decimal integer to its octal representation

easy
42

Top-left to Bottom-Right Diagonals Program In Python

Print all top-left to bottom-right diagonals from the top-right corner of a given RxC matrix

medium
41

Check Sorted Order

Given an array sorted except for one element, find the first element that when reversed makes the entire array sorted

medium
43

Alternate Lower Case & Upper Case

Print the first N lowercase and N uppercase alphabets from a string alternately

medium
43

Outer to Inner Swap – Both Odd/Even

Swap elements from outer positions to inner positions if both elements are odd or both are even

easy
41

Python Program To Check Combo Sum

Count the number of combinations (1 or more integers) from a list that add up to a given target sum S

medium
43
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