Create Sum_Of_Pairs.js

ISUCT · Oct 2, 2023 · ced2126 · ced2126
1 parent b06fb1b
commit ced2126
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/codewars/Sum of pairs/Sum_Of_Pairs.js b/codewars/Sum of pairs/Sum_Of_Pairs.js
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+function sumPairs(arr, target) {
+  let indices = new Map();
+
+  for (let i = 0; i < arr.length; i++) {
+    let complement = target - arr[i];
+
+    if (indices.has(complement)) {
+      return [complement, arr[i]];
+    }
+
+    indices.set(arr[i], i);
+  }
+
+  return undefined;
+}