2017-统计字符个数

 1 #include<iostream>
 2 #include<string>
 3 using namespace std;
 4 
 5 int main()
 6 {
 7     int n;
 8     cin >> n;
 9     for (int i = 0; i < n; i++)
10     {
11         string s;
12         cin >> s;
13         int n = 0;
14         for (int k = 0; k < s.size(); k++)
15         {
16             if (s[k] >= '0'&&s[k] <= '9')
17                 n++;
18         }
19         cout << n << endl;
20     }
21     system("pause");
22     return 0;
23 }