题解 | #abc#

#include #include using namespace std;

int main() {

int letter = 0;
int digit = 0;
int space = 0;
int other = 0;

char buf[1024] = {0};
cin.getline(buf, sizeof(buf));

// write your code here......
char *p;
for(p=buf;*p!='\0';p++){
    if((*p>='a'&&*p<='z')||(*p>='A'&&*p<='Z'))
        letter++;
    else if(*p>='0'&&*p<='9')
        digit++;
    else if(*p==' ')
        space++;
    else
        other++;
}

cout << "letter:" << letter << " digit:" << digit << " space:" << space << " other:" << other << endl;

return 0;

}