diff --git a/imp-hello-ji.cpp b/imp-hello-ji.cpp
new file mode 100644
index 0000000..3d7f3db
--- /dev/null
+++ b/imp-hello-ji.cpp
@@ -0,0 +1,31 @@
+ httpsleetcode.comproblemsmajority-element
+class Solution {
+    public int majorityElement(int[] nums) {
+     
+        int cur = nums[0];
+        int cnt = 1;
+        for (int i=1;inums.length;i++){
+            if(nums[i] == cur){
+                cnt++;
+            }
+            else{
+                cnt--;
+            }
+            if(cnt == 0){
+                cur = nums[i];
+                cnt = 1;
+            }
+        }
+        return cur;
+         cnt = 0;
+         for(int e  nums){
+             if (e == cur){
+                 cnt++;
+             }
+         }
+         if (cnt  nums.length2){
+             return cur;
+         }
+         return -1;
+    }
+}