【NEUQ QJ】编程练习题1009 答案

#include<iostream>
#include<string>
using namespace std;
int main()
{
string s;
getline(cin, s);
int a=0, b=0, c=0, d=0;
for (int i = 0;i < s.length();i++)
{
if ((s[i] >= 'a'&&s[i] <= 'z') || (s[i] <= 'Z'&&s[i] >= 'A'))
{
a++;
}
else if(s[i] >= '0'&&s[i] <= '9')
{
b++;
}
else if (s[i] == ' ')
{
c++;
}
else
{
d++;
}

}
cout << a << "\n" << c << "\n" << b << "\n" << d << "\n";
return 0;
}