22202 字符统计
字符统计
https://ac.nowcoder.com/acm/problem/22202
#include<iostream>
using namespace std;
int main()
{
char a;
int l=0, d=0, o=0;
do
{
a=getchar();
if((a>='a'&&a<='z')||(a>='A'&&a<='Z'))
l++;
else if(a>='0'&&a<='9')
d++;
else if(a!='?')
o++;
}
while(a!='?');
cout<<"Letters="<<l<<endl<<"Digits="<<d<<endl<<"Others="<<o<<endl;
return 0;
}
