HDU-2017-字符串统计

/*
    Name: HDU-2017-字符串统计
    Date: 18/04/17 20:19
    Description: 水过 
*/

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;cin>>n;
    while(n--){
        string str;cin>>str;
        int ct = 0;
        for(string::iterator it = str.begin(); it!=str.end(); ++it)if(isdigit((*it)))ct++;
        cout<<ct<<endl;
    }
    return 0;
}
原文地址:https://www.cnblogs.com/slothrbk/p/7251868.html