Create solution.cpp

Author: Zhenghao-Liu

1790.仅执行一次字符串交换能否使两个字符串相等/solution.cpp

@@ -0,0 +1,13 @@
+class Solution {
+public:
+    bool areAlmostEqual(string s1, string s2) {
+        vector<int> vec;
+        int sz=s1.size();
+        for (int i=0;i<sz;i++) {
+            if (s1.at(i)!=s2.at(i)) {
+                vec.push_back(i);
+            }
+        }
+        return vec.size()==0 || (vec.size()==2 && s1.at(vec.at(0))==s2.at(vec.at(1)) && s1.at(vec.at(1))==s2.at(vec.at(0)));
+    }
+};