Two sum: Difference between revisions

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@@ Line 244: / Line 244: @@
     // summingPairIndices :: -> Int -> [Int] -> [(Int, Int)]
     let summingPairIndices = (n, xs) =>
-        concatMap((x, ix) => concatMap((y, iy) => {
+            concatMap((x, ix) => concatMap((y, iy) =>
-            return iy > ix ? [] : ( // Ignoring mirror image tuples
+                iy > ix ? [] : ( // Ignoring mirror image tuples
-                x + y === n ? [
+                    x + y === n ? [
-                    [iy, ix]
+                        [iy, ix]
-                ] : []
+                    ] : []
-            )
+                ), xs), xs);
-        }, xs), xs);
     return summingPairIndices(21, [0, 2, 11, 19, 90]);