Create 1288. 删除被覆盖区间.js

Author: yinxin630

1288. 删除被覆盖区间.js

@@ -0,0 +1,27 @@
+/**
+ * @param {number[][]} intervals
+ * @return {number}
+ */
+var removeCoveredIntervals = function (intervals) {
+  intervals.sort((a, b) => {
+    if (a[0] != b[0]) {
+      return a[0] - b[0];
+    } else {
+      return b[1] - a[1];
+    }
+  });
+
+  const result = [];
+  for (const current of intervals) {
+    if (result.length === 0) {
+      result.push(current);
+    } else {
+      const last = result[result.length - 1];
+      if (!(current[0] >= last[0] && current[1] <= last[1])) {
+        result.push(current);
+      }
+    }
+  }
+
+  return result.length;
+};