1014 福尔摩斯的约会

#include"iostream"
#include"cctype"
using namespace std;

string hashtable1[7] = {"MON ","TUE ","WED ","THU ","FRI ","SAT ","SUN "};
int main() {
    string str1,str2,str3,str4;
    cin>>str1>>str2>>str3>>str4;
    int len = str1.length() < str2.length()?str1.length():str2.length(),flag = 0;
    for(int i = 0; i < len; ++i) {
        if(str1[i] == str2[i] && str1[i]>=‘A‘&&str1[i] <=‘G‘&&flag == 0) {
            cout<<hashtable1[str1[i]-‘A‘];
            flag = 1;
            continue;
        }
        if(flag == 1 && str1[i] == str2[i] && ((isdigit(str1[i]))||(str1[i]>=‘A‘&& str1[i] <=‘N‘)) ) {
            printf("%02d:",isdigit(str1[i])?str1[i]-‘0‘:str1[i]-‘A‘+10);
            break;
        }
    }
    len = str3.length() < str4.length()?str3.length():str4.length();
    for(int i = 0; i < len; ++i) {
        if(isalpha(str3[i]) && str3[i] == str4[i]) {
            printf("%02d",i);
            break;
        }
    }
    return 0;
}