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| val Numbers = "7316717653133062491922511967442657474235534919493496983520312774506326239578318016984801869478851843858615607891129494954595017379583319528532088055111254069874715852386305071569329096329522744304355766896648950445244523161731856403098711121722383113622298934233803081353362766142828064444866452387493035890729629049156044077239071381051585930796086670172427121883998797908792274921901699720888093776657273330010533678812202354218097512545405947522435258490771167055601360483958644670632441572215539753697817977846174064955149290862569321978468622482839722413756570560574902614079729686524145351004748216637048440319989000889524345065854122758866688116427171479924442928230863465674813919123162824586178664583591245665294765456828489128831426076900422421902267105562632111110937054421750694165896040807198403850962455444362981230987879927244284909188845801561660979191338754992005240636899125607176060588611646710940507754100225698315520005593572972571636269561882670428252483600823257530420752963450" | |
| //> Numbers : String = 7316717653133062491922511967442657474235534919493496983 | |
| //| 520312774506326239578318016984801869478851843858615607891129494954595017379 | |
| //| 583319528532088055111254069874715852386305071569329096329522744304355766896 | |
| //| 648950445244523161731856403098711121722383113622298934233803081353362766142 | |
| //| 828064444866452387493035890729629049156044077239071381051585930796086670172 | |
| //| 427121883998797908792274921901699720888093776657273330010533678812202354218 | |
| //| 097512545405947522435258490771167055601360483958644670632441572215539753697 | |
| //| 817977846174064955149290862569321978468622482839722413756570560574902614079 | |
| //| 729686524145351004748216637048440319989000889524345065854122758866688116427 | |
| //| 171479924442928230863465674813919123162824586178664583591245665294765456828 | |
| //| 489128831426076900422421902267105562632111110937054421750694165896040807198 | |
| //| 403850962455444362981230987879927244284909188845801561660979191338754992005 | |
| //| 24063689912560717606058 | |
| //| Output exceeds cutoff limit. | |
| def run() { | |
| var maxProd, idx = 0 | |
| while((idx+5) <= 1000) { | |
| val prod = Numbers.substring(idx, idx+5).foldLeft(1)((a, c) => a * (c-'0')) | |
| maxProd = maxProd.max(prod) | |
| idx += 1 | |
| } | |
| println(maxProd) | |
| } //> run: ()Unit | |
| run() //> 40824 |
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