算法之路三：HDU OJ:2017

#include<cstdio>
#include<cctype>
#include<iostream>

using namespace std;

int main()
{
    int n=0;
    cin>>n;
    char b=getchar();
    while(n--)
    {
        char c;
        int count=0;
        while((c=getchar())!='\n')
        {
            if(isdigit(c))
            count++;
        }
        cout<<count<<endl;
    }
    return 0;
}