1061 Dating （20 分）

pat傳送門

#include <bits/stdc++.h> 
using namespace std;
string s[7] = {"MON","TUE","WED","THU","FRI","SAT","SUN"}; 
int main(){
	//freopen("datain.txt","r",stdin);
	string a, b, c, d;
	cin>>a>>b>>c>>d;
	int i;
	for (i = 0; i < a.length() &&
 
 i < b.length(); i++) {
		if (a[i]==b[i] && isupper(a[i]) && a[i]<='G') {
			printf("%s",(s[a[i]-'A']).c_str());
			//cout<<endl<<i<<endl;
			break;
		}
	}
	//cout<<i<<endl;
	for (i++; i < a.length() && i < b.length(); i++) {
		if (a[i]==
 
b[i]) {
			if (isdigit(a[i])) {
				printf(" %02d",a[i]-'0');
				break;
			} else if (isupper(a[i]) && a[i]<='N') {
				printf(" %02d",a[i]-'A'+10);
				break;
			}
		}
	}
	for (i = 0; i < c.length() && i < d.length(); i++) {
		if (c[i]==d[i] && isalpha(c[i])) {
			printf
 
(":%02d",i);
			break;
		}
	}
	return 0;
}