Assign Cookies
Given child greed factors and cookie sizes, return the maximum number of content children.
Remove K Digits to Form the Smallest Number
Given a non-negative integer as a string, remove exactly k digits to form the smallest possible integer without leading zeros.
Meeting Rooms Minimum
Given a list of meeting time intervals, compute the minimum number of conference rooms required.
Boats to Save People
Given a list of people weights and a boat's weight limit, return the minimum number of boats required.
Maximum Ice Cream Bars
Given costs of ice cream bars and coins, return the maximum number you can buy.
Minimum Number of Arrows to Burst Balloons
Given balloon intervals, find the minimum number of arrows to burst all balloons by merging overlaps.
Patching Array
Given a sorted array of positive integers and a target n, find the minimum number of patches to make every number from 1 to n representable as a subset sum.
Queue Reconstruction by Height
Given shuffled pairs of (height, number_of_taller_people_in_front), reconstruct the original queue order.
Non-overlapping Intervals
Given a list of intervals, return the minimum number of intervals to remove to make the rest non-overlapping.
Max events attended
Given a list of events with start and end times, find the maximum number of non-overlapping events you can attend.
Showing 10 challenges · Greedy Algorithms
Greedy Algorithms — Python coding challenges
What you will find here
This page lists greedy algorithms challenges — real Python problems you solve in the browser IDE with instant test feedback. Each challenge includes a clear brief, starter code, and automated checks.
Challenges vs tutorials and quizzes
Challenges test what you can build under constraints. For guided teaching, use our Python tutorials. For quick checks, try quizzes or copy snippets from code samples.