'commit'

TangDou/CSP-J/BABA.cpp

@@ -0,0 +1,22 @@
+#include<bits/stdc++.h>
+using namespace std;
+int main(){
+    string str;
+    cin >> str;
+    int sum=0;
+    for (int i = 0; j = 1;i<str.size()-1;i++)
+        if(str[i]!='-'){
+            sum += (str[i] - '0') * j;
+            j++;
+        }
+    sum %= 11;
+
+    char c = 'X';
+    if(sum<10)c='0'+sum;
+    if (c == str.back()) puts("Right");
+    else{
+        str.back() = c;
+        cout << str << endl;
+    }
+    return 0;
+}