69 - squire root problem

Author: AnwarHossainSR

69-Sqrt.js

@@ -0,0 +1,20 @@
+/**
+ * @param {number} x
+ * @return {number}
+ */
+// var mySqrt = function (x) {
+// return Math.floor(Math.sqrt(x));
+// };
+
+var mySqrt = function (x) {
+ let i = 1;
+ let sqr = i * i;
+
+ while (x >= sqr) {
+ i++;
+ sqr = i * i;
+ }
+ return i - 1;
+};
+
+console.log(mySqrt(8));