Add Codeforces Code

CodeForces/Arranging Cats.cpp

@@ -0,0 +1,25 @@
+#include<iostream>
+#include<string>
+#include<algorithm>
+using namespace std;
+
+int t;
+int main()
+{
+    cin >> t;
+    while(t -- )
+    {
+        int n;
+        cin >> n;
+        string s1, s2;
+        cin >> s1 >> s2;
+        int x = 0, y = 0;
+        for(int i = 0; i < n; i ++ )
+        {
+            if(s1[i] == '1' && s2[i] == '0') x ++ ;
+            if(s1[i] == '0' && s2[i] == '1') y ++ ;
+        }
+        cout << max(x, y) << endl;
+    }
+    return 0;
+}