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ShatilKhan · Mar 13, 2024 · 2c1f19c · 2c1f19c
1 parent fcc76ee
commit 2c1f19c
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/2571-find-the-pivot-integer/find-the-pivot-integer.js b/2571-find-the-pivot-integer/find-the-pivot-integer.js
@@ -0,0 +1,13 @@
+/**
+ * @param {number} n
+ * @return {number}
+ */
+var pivotInteger = function(n) {
+    let x = Math.sqrt(n * (n + 1) / 2);
+
+    if (x % 1 !== 0) {
+        return -1;
+    } else {
+        return Math.floor(x);
+    }
+};