Practice Arena

Python Coding Challenges

Write real Python in the browser. Instant feedback. From beginner to expert.

925 challenges 556 easy 323 medium 46 hard
Dynamic Programming easy

House Robber

Given a list of house values, return the maximum sum you can rob without robbing two adjacent houses.

dynamic-programming arrays optimization
+10 pts 15m
Dynamic Programming easy

Triangle Minimum Path

Compute the minimum path sum from top to bottom of a triangle given as a list of lists.

dynamic-programming bottom-up arrays
+12 pts 20m
Dynamic Programming medium

Partition Equal Subset

Determine whether a given list of positive integers can be partitioned into two subsets with equal sum.

dynamic-programming subset-sum memoization
+30 pts 25m
Dynamic Programming medium

Target Sum Subsets

Write a function that counts the number of subsets of a list of positive integers that sum exactly to a target.

subset-sum dp counting
+25 pts 30m
Dynamic Programming medium

Longest Arithmetic Subsequence

Given a list of integers, return the length of the longest arithmetic subsequence (constant difference) within it.

dp subsequence hashmap
+30 pts 25m
Dynamic Programming medium

Count subsets with sum

Given a list of integers and a target sum, count how many subsets of the list sum to the target.

subset-sum dynamic-programming counting
+20 pts 25m
Dynamic Programming medium

Matrix Chain Multiplication

Given a list of matrix dimensions, compute the minimum multiplication cost using dynamic programming.

matrix dynamic-programming optimization
+30 pts 25m
Dynamic Programming medium

Target sum assignments

Given a list of integers and a target, count how many ways to assign + or - to each number so the total equals the target.

dynamic programming combinatorics arrays
+30 pts 25m
Dynamic Programming medium

Subset Sum Exists

Given a list of positive integers and a target sum, return whether some subset adds up exactly to the target.

subset sum dynamic programming knapsack
+25 pts 30m

Showing 1–9 of 9 challenges · Dynamic Programming

Dynamic Programming — Python coding challenges

What you will find here

This page lists dynamic programming 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.