feat: add more

Author: gengjiawen

pools_todo/_0252_meeting_rooms.rs

@@ -1 +1,22 @@
 // https://leetcode.com/problems/meeting-rooms
+
+pub fn can_attend_meetings(intervals: Vec<Vec<i32>>) -> bool {
+    if intervals.len() < 2 {
+        return true;
+    }
+
+    let mut intervals = intervals;
+    intervals.sort_unstable_by(|a, b| a[0].cmp(&b[0]));
+    for i in 0..intervals.len() - 1 {
+        if intervals[i][1] > intervals[i + 1][0] {
+            return false;
+        }
+    }
+    return true;
+}
+
+#[test]
+pub fn t1() {
+    assert_eq!(can_attend_meetings(vec![vec![0, 30], vec![5, 10], vec![15, 20]]), false);
+    assert_eq!(can_attend_meetings(vec![vec![7, 10], vec![2, 4]]), true);
+}