题解 | 标题统计
标题统计
https://www.nowcoder.com/practice/b14b87bc6a4547a6839e0a5867c98dba
#include <iostream>
using namespace std;
int main() {
string s;
getline(cin,s);
int sum = 0;
for(int i = 0;i<s.size();++i){
if((s[i]>=48 &&s[i]<=57)||(s[i]>=65 && s[i]<=90) || (s[i]>=97 &&s[i]<=122)){
sum++;
}
}
cout << sum;
}
