解题思路:
注意事项:
参考代码:
#include<iostream>
#include<iomanip>
#include<cmath>
#include<string>
using namespace std;
void func(string a)
{
string b = a;
int z=0,x=0,c=0,v=0;
for (int i = 0; i < a.length(); i++)
{
if (a[i] >= '0' && a[i] <= '9')
z++;
else if (a[i] >= 'a' && a[i] < 'z' || a[i]>='A' && a[i] <= 'Z')
x++;
else if (a[i] == ' ')
c++;
else
v++;
}
cout << x << " " << z << " " << c << " " << v;
}
int main()
{
string a;
getline(cin, a);
func(a);
}
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