找规律 Codeforces Round #309 (Div. 2) A. Kyoya and Photobooks

题目传送门

 /*
     找规律，水
 */
 #include <cstdio>
 #include <iostream>
 #include <algorithm>
 #include <cstring>
 #include <cmath>
 using namespace std;

 const int MAXN = 1e4 + ;
 const int INF = 0x3f3f3f3f;
 char s[];

 int main(void)        //Codeforces Round #309 (Div. 2) A. Kyoya and Photobooks
 {
 //    freopen ("A.in", "r", stdin);

     while (scanf ("%s", s) == )
     {
         int len = strlen (s);
         printf ("%d\n",  * (len + ) - len);
     }

     return ;
 }