diff --git "a/leetcode2/1easy/\354\235\264\354\244\200\354\227\264/3427.cpp" "b/leetcode2/1easy/\354\235\264\354\244\200\354\227\264/3427.cpp"
new file mode 100644
index 00000000..989ee479
--- /dev/null
+++ "b/leetcode2/1easy/\354\235\264\354\244\200\354\227\264/3427.cpp"
@@ -0,0 +1,20 @@
+class Solution {
+    public:
+        int subarraySum(vector<int>& nums) {
+            int output = 0;
+    
+            for (int i = 0; i < nums.size(); i++)
+            {
+                int tmp = 0;
+                for (int j = max(0, i - nums[i]); j <= i; j++)
+                {
+                    tmp += nums[j];
+                }
+                output += tmp;
+            }
+    
+    
+            return output;
+            
+        }
+    };
\ No newline at end of file