Merge pull request neetcode-gh#274 from 1234RHIMANSHU/patch-2

Create 853-Car Fleet.java

Author: neetcode-gh

java/853-Car Fleet.java

@@ -0,0 +1,26 @@
+class Solution {
+    public int carFleet(int target, int[] position, int[] speed) {
+        if (position.length==1)
+            return 1;
+        Stack<Double> stack=new Stack<>();
+        int[][] combine=new int[position.length][2];
+        for(int i=0;i<position.length;i++){
+            combine[i][0]=position[i];
+            combine[i][1]=speed[i];
+        }
+        
+        
+        
+        Arrays.sort(combine,java.util.Comparator.comparingInt(o->o[0]));
+        for(int i=combine.length-1;i>=0;i--){
+            double currentTime=(double)(target-combine[i][0])/combine[i][1];
+            if(!stack.isEmpty() && currentTime<=stack.peek()){
+                continue;
+            }
+            else{
+            stack.push(currentTime);
+            }
+        }
+        return stack.size();
+    }
+}