EDIT: I have made a new and improved version of this calculator here, with updated values and features. I highly recommend you to follow the link there, as the version on this blogpost will no longer be maintained.
This calculator allows you to find out how to reduce your Riot Point (aka RP) to 0. RP is the virtual currency of the popular online game, League of Legends, from Riot Games.
It is quite rare to get one's RP to 0 unintentionally. Occasionally a player who gets 0 Riot Points will announce it on the forum, which attracts an employee from Riot Games to add a very small amount of RP to the player's account.
With this calculator, you can calculate how to get your own account's RP to 0 with the least costly method (in terms of real money spent). A greedy algorithm is used to solve this Knapsack-like problem.
Note that this calculator is still in beta and there will be bugs. Thanks for your understanding!
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