diff --git a/376-wiggle-subsequence/376-wiggle-subsequence.cpp b/376-wiggle-subsequence/376-wiggle-subsequence.cpp
new file mode 100644
index 0000000..514633f
--- /dev/null
+++ b/376-wiggle-subsequence/376-wiggle-subsequence.cpp
@@ -0,0 +1,19 @@
+class Solution {
+public:
+    int wiggleMaxLength(vector<int>& nums) {
+        if(nums.size()<=1){
+            return nums.size();
+        }
+        int upcount=1,downcount=1;
+        for(int i=0;i<nums.size()-1;i++){
+            if(nums[i]<nums[i+1]){
+                upcount=downcount+1;
+            }
+            else if(nums[i]>nums[i+1]){
+                downcount=upcount+1;
+            }
+        }
+        int ans = max(upcount,downcount);
+        return ans;
+    }
+};
\ No newline at end of file