diff --git a/Luogu/problem/CF1573A/CF1573A.cpp b/Luogu/problem/CF1573A/CF1573A.cpp
new file mode 100644
index 00000000..9a768c60
--- /dev/null
+++ b/Luogu/problem/CF1573A/CF1573A.cpp
@@ -0,0 +1,22 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int t, n, ans;
+string s;
+
+int main() {
+    cin >> t;
+    while (t--) {
+        ans = 0;
+        cin >> n >> s;
+        for (int i = 0; i < s.size(); i++) {
+            if (s[i] != '0') {
+                ans += s[i] - '0';
+                ans += i != n - 1;
+            }
+        }
+        cout << ans << endl;
+    }
+    return 0;
+}