diff --git a/1980. Find Unique Binary 1String b/1980. Find Unique Binary 1String
new file mode 100644
index 0000000..06b567e
--- /dev/null
+++ b/1980. Find Unique Binary 1String	
@@ -0,0 +1,8 @@
+class Solution {
+public:
+    string findDifferentBinaryString(vector<string>& nums) {
+        for (int i = 0; i < nums.size(); i++)
+            nums[0][i] = nums[i][i] == '1' ? '0' : '1';
+        return nums[0];
+    }
+};