Problem solutions

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

This post will contain a proposed solution to Problem #030 - efficiency at the beach starting from the 6th of March.

If you would like your solution to be featured here, feel free to email me your solution!

This post contains my proposed solution to Problem #029 - hidden key 2. Please do not read this solution before making a serious attempt at the problem.

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This post contains my proposed solution to Problem #028 - hidden key. Please do not read this solution before making a serious attempt at the problem.

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This post contains my proposed solution to Problem #027 - pile of coconuts. Please do not read this solution before making a serious attempt at the problem.

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This post contains my proposed solution to Problem #026 - counting squares. Please do not read this solution before making a serious attempt at the problem.

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This post contains my proposed solution to Problem #025 - knight's tour. Please do not read this solution before making a serious attempt at the problem.

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This post contains my proposed solution to Problem #024 - hats in a line. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #023 - guess the polynomial. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #022 - coprimes in the crowd. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #021 - predicting coin tosses. Please do not read this solution before making a serious attempt at the problem.

This post contains my proposed solution to Problem #020 - make 24 with 3 3 8 8. Please do not read this solution before making a serious attempt at the problem.

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This post contains my proposed solution to Problem #019 - fold the alphabet. Please do not read this solution before making a serious attempt at the problem.

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This post contains my proposed solution to Problem #018 - circle of hats. Please do not read this solution before making a serious attempt at the problem.

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This post contains my proposed solution to Problem #007 - binary multiples. Please do not read this solution before making a serious attempt at the problem.

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This post contains my proposed solution to Problem #006 - stacks of beans. Please do not read this solution before making a serious attempt at the problem.

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This post contains my proposed solution to Problem #005 - number me right. Please do not read this solution before making a serious attempt at the problem.

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.