Solution to problem 18 in Julia

2021-08-01 10:15:42 +02:00 · 2021-08-01 10:15:42 +02:00 · eabec2d40d
commit eabec2d40d
parent a5ddd5306f
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--- a/src/Julia/Problem018.jl
+++ b/src/Julia/Problem018.jl
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+#=
+Created on 01 Aug 2021
+
+@author: David Doblas Jiménez
+@email: daviddoji@pm.me
+
+Solution for Problem 18 of Project Euler
+https://projecteuler.net/problem=18
+=#
+
+function Problem18()
+    #=
+    Statement
+    =#
+    triangle = [  # Mutable
+                         [75],
+                        [95,64],
+                      [17,47,82],
+                     [18,35,87,10],
+                   [20, 4,82,47,65],
+                  [19, 1,23,75, 3,34],
+                [88, 2,77,73, 7,63,67],
+               [99,65, 4,28, 6,16,70,92],
+             [41,41,26,56,83,40,80,70,33],
+            [41,48,72,33,47,32,37,16,94,29],
+          [53,71,44,65,25,43,91,52,97,51,14],
+         [70,11,33,28,77,73,17,78,39,68,17,57],
+       [91,71,52,38,17,14,91,43,58,50,27,29,48],
+      [63,66, 4,68,89,53,67,30,73,16,69,87,40,31],
+    [ 4,62,98,27,23, 9,70,98,73,93,38,53,60, 4,23],
+    ]
+    len_triangle = length(triangle)
+
+    for i in len_triangle-1:-1:1
+        for j in 1:length(triangle[i])
+            triangle[i][j] += max(triangle[i + 1][j], triangle[i + 1][j + 1])
+        end
+    end
+
+    return triangle[1][1]
+end
+
+
+println("Time to evaluate Problem 18:")
+@time Problem18()
+println("")
+println("Result for Problem 18: ", Problem18())