feat: add divideTwoIntegers algorithm

Javascript/Divide_Two_Integers.js

@@ -0,0 +1,26 @@
+// problem link: https://leetcode.com/problems/divide-two-integers/
+
+// Runtime: 109 ms, faster than 48.23% of JavaScript online submissions for Divide Two Integers.
+
+const divide = (dividend, divisor) => {
+  if (dividend === -2147483648 && divisor === -1) return 2147483647
+  let ans = 0
+  let sign = 1
+  if (dividend < 0) {
+    dividend = -dividend
+    sign = -sign
+  }
+  if (divisor < 0) {
+    divisor = -divisor
+    sign = -sign
+  }
+  if (dividend === divisor) return sign
+  for (let i = 0, val = divisor; dividend >= divisor; i = 0, val = divisor) {
+    while (val > 0 && val <= dividend) {
+      val = divisor << ++i
+    }
+    dividend -= divisor << (i - 1)
+    ans += 1 << (i - 1)
+  }
+  return sign < 0 ? -ans : ans
+}