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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -1,8 +1,13 @@ Good afternoon fellow space travelers, thanks for coming along on this mission. We still have about a week before we arrive at New Zlorpia, so please return your stasis tubes to their original upright position and prepare for your mission briefing. We are going to be negotiating a trade agreement with the Zlorpians for their supply of Farkle seeds. They have a much different way of counting than we do, and I'm concerned that if we don't have a good way to work with their number system, we'll be at a disadvantage in negotiations. Let me explain: The zlorpians have a single arm that comes out of their forehead, with a hand that has 3 fingers. As a result, our base-10 way of counting (based on our ten fingers) is as alien to them as their way is to us. In some ways, their numbering system is similar to ours. @@ -12,11 +17,13 @@ The represent the number one with a single vertical dash, and it it "borp". The number 2 is represented with 2 crossed lines, similar to our letter "X", and is called a "daborp". Their number 3 is represented with a hash of three lines... the closest character on our keyboards is "#", and is called a traborp. And thats it. They only represent the numbers 0-3. BUT, just like us, they use columns to represent bigger numbers, 'rolling over' into the next column when it gets too big. Counting this way, their numbers look like this: - @@ -37,15 +44,21 @@ BUT, just like us, they use columns to represent bigger numbers, 'rolling over' ## |-- Thankfully, they also have a really predictable way of naming each of the columns. When there is only one column, the numbers are pronounced exactly as we define them above. When there is a second column, called the 'ity' column, they add the ending 'ity' to the name of the number. So the number "||" is called "Borpityborp". The number "X#" is called "Daborpitytraborp". By convention, if the number in the last column is a zlorp, as in "|-", then they drop the zlorp, simply calling it "borpity". This same pattern holds for as many columns as we have learned to translate. the rightmost column does not modify the number's name, as we have already seen. the second-rightmost column is named "ity", as we have already seen. The third-rightmost is named "en" the fourth rightmost is named "onk" the fifth rightmost is named "iffa" Your job is to write 2 functions. The first one should take a decimal number and convert it to a zlorpinumeral. It should work like this: >> zlorpinumeral(0) => "-" @@ -117,6 +130,7 @@ The second one should convert a decimal number to zlorpanese. It should work li => "traborpiffatraborponkdaborpendaborpityborp" If as a side effect you have functions that convert a zorpinumeral to a zorpanese string, please share them. Extra points for the ability to convert a zorpinumeral back to a decimal number. If anyone wants to convert these examples to some acceptance tests, I'd appreciate the contribution back. -
bokmann created this gist
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This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode charactersOriginal file line number Diff line number Diff line change @@ -0,0 +1,122 @@ Good afternoon fellow space travelers, thanks for coming along on this mission. We still have about a week before we arrive at New Zlorpia, so please return your stasis tubes to their original upright position and prepare for your mission briefing. We are going to be negotiating a trade agreement with the Zlorpians for their supply of Farkle seeds. They have a much different way of counting than we do, and I'm concerned that if we don't have a good way to work with their number system, we'll be at a disadvantage in negotiations. Let me explain: The zlorpians have a single arm that comes out of their forehead, with a hand that has 3 fingers. As a result, our base-10 way of counting (based on our ten fingers) is as alien to them as their way is to us. In some ways, their numbering system is similar to ours. They represent the value zero with a single horizontal dash, and call it "zlorp". The represent the number one with a single vertical dash, and it it "borp". The number 2 is represented with 2 crossed lines, similar to our letter "X", and is called a "daborp". Their number 3 is represented with a hash of three lines... the closest character on our keyboards is "#", and is called a traborp. And thats it. They only represent the numbers 0-3. BUT, just like us, they use columns to represent bigger numbers, 'rolling over' into the next column when it gets too big. Counting this way, their numbers look like this: - | X # |- || |X |# X- X| XX X# #- #| #X ## |-- Thankfully, they also have a really predictable way of naming each of the columns. When there is only one column, the numbers are pronounced exactly as we define them above. When there is a second column, called the 'ity' column, they add the ending 'ity' to the name of the number. So the number "||" is called "Borpityborp". The number "X#" is called "Daborpitytraborp". By convention, if the number in the last column is a zlorp, as in "|-", then they drop the zlorp, simply calling it "borpity". This same pattern holds for as many columns as we have learned to translate. the rightmost column does not modify the number's name, as we have already seen. the second-rightmost column is named "ity", as we have already seen. The third-rightmost is named "en" the fourth rightmost is named "onk" the fifth rightmost is named "iffa" Your job is to write 2 functions. The first one should take a decimal number and convert it to a zlorpinumeral. It should work like this: >> zlorpinumeral(0) => "-" >> zlorpinumeral(1) => "|" >> zlorpinumeral(2) => "X" >> zlorpinumeral(3) => "#" >> zlorpinumeral(4) => "|-" >> zlorpinumeral(5) => "||" >> zlorpinumeral(15) => "##" >> zlorpinumeral(16) => "|--" >> zlorpinumeral(17) => "|-|" >> zlorpinumeral(200) => "#-X-" >> zlorpinumeral(221) => "#|#|" >> zlorpinumeral(237) => "#X#|" >> zlorpinumeral(1001) => "##XX|" The second one should convert a decimal number to zlorpanese. It should work like this: ?> zlorpanese(0) => "zlorp" >> zlorpanese(1) => "borp" >> zlorpanese(2) => "daborp" >> zlorpanese(3) => "traborp" >> zlorpanese(4) => "borpity" >> zlorpanese(5) => "borpityborp" >> zlorpanese(6) => "borpitydaborp" >> zlorpanese(7) => "borpitytraborp" >> zlorpanese(8) => "daborpity" >> zlorpanese(9) => "daborpityborp" >> zlorpanese(10) => "daborpitydaborp" >> zlorpanese(15) => "traborpitytraborp" >> zlorpanese(16) => "borpen" >> zlorpanese(17) => "borpenborp" >> zlorpanese(21) => "borpenborpityborp" >> zlorpanese(200) => "traborponkdaborpity" >> zlorpanese(221) => "traborponkborpentraborpityborp" >> zlorpanese(237) => "traborponkdaborpentraborpityborp" >> zlorpanese(1001) => "traborpiffatraborponkdaborpendaborpityborp" If as a side effect you have functions that convert a zorpinumeral to a zorpanese string, please share them. Extra points for the ability to convert a zorpinumeral back to a decimal number. If anyone wants to convert these examples to some acceptance tests, I'd appreciate the contribution back.