diff --git a/1790. Check if One String Swap Can Make Strings Equal b/1790. Check if One String Swap Can Make Strings Equal
new file mode 100644
index 0000000..623f69e
--- /dev/null
+++ b/1790. Check if One String Swap Can Make Strings Equal	
@@ -0,0 +1,15 @@
+class Solution {
+public:
+    bool areAlmostEqual(string s1, string s2) {
+        vector<int> diff;
+        
+        for (int i = 0; i < s1.size(); i++) {
+            if (s1[i] != s2[i]) diff.push_back(i);
+        }
+        
+        if (diff.empty()) return true;
+        if (diff.size() != 2) return false;
+        
+        return s1[diff[0]] == s2[diff[1]] && s1[diff[1]] == s2[diff[0]];
+    }
+};