diff --git a/bfs.java b/bfs.java
new file mode 100644
index 0000000..1a37812
--- /dev/null
+++ b/bfs.java
@@ -0,0 +1,69 @@
+class Solution {
+    public int orangesRotting(int[][] grid) {
+        int m=grid.length;
+        int n=grid[0].length;
+        Queue<int[]> q=new LinkedList<>();
+        int fresh=0;
+        int[][] dirs={{-1,0},{0,1},{1,0},{0,-1}};
+        for(int i=0;i<m;i++){
+            for(int j=0;j<n;j++){
+                if(grid[i][j]==2){
+                    q.add(new int[]{i,j});
+                }else if(grid[i][j]==1){
+                    fresh++;
+                }
+            }
+        }
+        int cnt=0;
+        if(fresh==0) return cnt;
+                    while(!q.isEmpty()){
+                        int size=q.size();
+                        cnt++;
+                        for(int i=0;i<size;i++){
+                            int[] curr=q.poll();
+                            for(int[] dir:dirs){
+                            int sr=curr[0]+dir[0];
+                            int pr=curr[1]+dir[1];
+                            if(sr>=0 && pr>=0 && sr<m && pr<n && grid[sr][pr]==1){
+                                grid[sr][pr]=2;
+                                q.add(new int[]{sr,pr});
+                                fresh--;
+                                if(fresh==0) return cnt;
+                            }
+                        }
+                    }
+                    }
+                    return -1;
+    }
+}
+//problem 2
+/*
+// Definition for Employee.
+class Employee {
+    public int id;
+    public int importance;
+    public List<Integer> subordinates;
+};
+*/
+
+class Solution {
+    HashMap<Integer,Employee> map;
+    public int getImportance(List<Employee> employees, int id) {
+        this.map=new HashMap<>();
+        for(Employee emp:employees){
+            map.put(emp.id,emp);
+        }
+        Queue<Integer> q=new LinkedList<>();
+        q.add(id);
+        int ans=0;
+        while(!q.isEmpty()){
+            int currid=q.poll();
+            Employee obj=map.get(currid);
+            ans+=obj.importance;
+            for(int subid:obj.subordinates){
+                q.add(subid);
+            }
+        }
+        return ans;
+    }
+}