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Task/Maximum-triangle-path-sum/Nim/maximum-triangle-path-sum.nim

@@ -0,0 +1,30 @@
+import strutils, future
+
+proc solve(tri): int =
+  var tri = tri
+  while tri.len > 1:
+    let t0 = tri.pop
+    for i, t in tri[tri.high]: tri[tri.high][i] = max(t0[i], t0[i+1]) + t
+  tri[0][0]
+
+const data = """
+                          55
+                        94 48
+                       95 30 96
+                     77 71 26 67
+                    97 13 76 38 45
+                  07 36 79 16 37 68
+                 48 07 09 18 70 26 06
+               18 72 79 46 59 79 29 90
+              20 76 87 11 32 07 07 49 18
+            27 83 58 35 71 11 25 57 29 85
+           14 64 36 96 27 11 58 56 92 18 55
+         02 90 03 60 48 49 41 46 33 36 47 23
+        92 50 48 02 36 59 42 79 72 20 82 77 42
+      56 78 38 80 39 75 02 71 66 66 01 03 55 72
+     44 25 67 84 71 67 11 61 40 57 58 89 40 56 36
+   85 32 25 85 57 48 84 35 47 62 17 01 01 99 89 52
+  06 71 28 75 94 48 37 10 23 51 06 48 53 18 74 98 15
+27 02 92 23 08 71 76 84 15 52 92 63 81 10 44 10 69 93"""
+
+echo solve data.splitLines.map((x: string) => x.split.map parseInt)