add minimum-time-difference script.

Author: everthis

539-minimum-time-difference.js

@@ -0,0 +1,32 @@
+/**
+ * @param {string[]} timePoints
+ * @return {number}
+ */
+const findMinDifference = function(timePoints) {
+  const sortedArr = timePoints
+    .map(el => {
+      const arr = el.trim().split(":");
+      return arr[0] === "00" && arr[1] === "00"
+        ? 24 * 60
+        : +arr[0] * 60 + +arr[1];
+    })
+    .sort((a, b) => a - b);
+  let prev = sortedArr[0];
+  let res = Number.MAX_SAFE_INTEGER;
+  const mid = 12 * 60;
+  for (let i = 1; i < sortedArr.length; i++) {
+    res = Math.min(res, Math.abs(sortedArr[i] - prev));
+    prev = sortedArr[i];
+  }
+  if (sortedArr[0] < mid && sortedArr[sortedArr.length - 1] > mid) {
+    res = Math.min(
+      res,
+      sortedArr[0] + 2 * mid - sortedArr[sortedArr.length - 1]
+    );
+  }
+  return res;
+};
+
+console.log(findMinDifference(["23:59", "00:00"]));
+console.log(findMinDifference(["12:12", "00:13"]));
+console.log(findMinDifference(["05:31", "22:08", "00:35"]));