Create 1288-remove-covered-intervals.js

Author: everthis

1288-remove-covered-intervals.js

@@ -0,0 +1,14 @@
+/**
+ * @param {number[][]} intervals
+ * @return {number}
+ */
+const removeCoveredIntervals = function(intervals) {
+  intervals.sort((a, b) => a[0] === b[0] ? b[1] - a[1] : a[0] - b[0])
+  const n = intervals.length
+  let res = n, max = intervals[0][1]
+  for(let i = 1; i < n; i++) {
+    if(intervals[i][1] <= max) res--
+    else max = intervals[i][1]
+  }
+  return res
+};