Category: Dynamic Programming

Determine negative-weight cycle in a graph

Given a directed weighted graph, report a negative-weight cycle in the graph if any. A negative-weight cycle is a cycle in graph whose edges sum to a negative value.

Pots of Gold Game using Dynamic Programming

In Pots of gold game, there are two players A & B and pots of gold arranged in a line, each containing some gold coins. The players can see how many coins are there in each gold pot and each player gets alternating turns in which the player can pick a pot from one of …

Maximum Length Snake Sequence

Given a square matrix, print maximum length snake sequence in it. A Snake sequence is defined as a sequence of numbers where each new number, which can only be located to the right or down of the current number, is either plus or minus one.

3-Partition Problem

3-partition problem: Given a set S of positive integers, determine if it can be partitioned into three disjoint subsets that all have same sum and they cover S.

Longest Decreasing Subsequence Problem

The longest decreasing subsequence problem is to find a subsequence of a given sequence in which the subsequence’s elements are in sorted order, highest to lowest, and in which the subsequence is as long as possible.

Implement Diff Utility

Implement your own diff utility. i.e given two similar strings, efficiently list out all differences between them.