Create 0881-boats-to-save-people.kt

Author: a93a

kotlin/0881-boats-to-save-people.kt

@@ -0,0 +1,18 @@
+class Solution {
+    fun numRescueBoats(people: IntArray, limit: Int): Int {
+        people.sort()
+
+        var left = 0
+        var right = people.lastIndex
+        var res = 0
+
+        while (left <= right) {
+            if (people[left] + people[right] <= limit)
+                left++
+            right--
+            res++
+        }
+
+        return res
+    }
+}