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zern/examples/euler/euler_18.zr
2026-06-07 09:35:29 +02:00

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func findmax[triangle: Array, row: i64, col: i64] : i64
if row == 14
return (triangle->nth(row) as Array)->nth(col)
left := findmax(triangle, row + 1, col)
right := findmax(triangle, row + 1, col + 1)
return (triangle->nth(row) as Array)->nth(col) + math.max(left, right)
func main[] : i64
triangle := []
triangle->push([75])
triangle->push([95, 64])
triangle->push([17, 47, 82])
triangle->push([18, 35, 87, 10])
triangle->push([20, 4, 82, 47, 65])
triangle->push([19, 1, 23, 75, 3, 34])
triangle->push([88, 2, 77, 73, 7, 63, 67])
triangle->push([99, 65, 4, 28, 6, 16, 70, 92])
triangle->push([41, 41, 26, 56, 83, 40, 80, 70, 33])
triangle->push([41, 48, 72, 33, 47, 32, 37, 16, 94, 29])
triangle->push([53, 71, 44, 65, 25, 43, 91, 52, 97, 51, 14])
triangle->push([70, 11, 33, 28, 77, 73, 17, 78, 39, 68, 17, 57])
triangle->push([91, 71, 52, 38, 17, 14, 91, 43, 58, 50, 27, 29, 48])
triangle->push([63, 66, 4, 68, 89, 53, 67, 30, 73, 16, 69, 87, 40, 31])
triangle->push([4, 62, 98, 27, 23, 9, 70, 98, 73, 93, 38, 53, 60, 4, 23])
io.println_i64(findmax(triangle, 0, 0))