Problem solutions

Below you can find some proposed solutions to the problems posted here.

This post contains my proposed solution to Problem #004 - solvability of the water buckets. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #003 - a quarrel in the Shire. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #002 - a bag full of numbers. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #001 - a dancing triangle. Please do not read this solution before making a serious attempt at the problem.