PAT1014. 福尔摩斯的约会

相同指位置也形同，囧，没观察到。#1：边界A-G。#2：边界0-9，A-N。#3，边界，isslpha

#include<iostream>#include<cstdio>#include<cctype>#include<string>using namespace std;string st,ss;char*day[7]={"MON","TUE","WED","THU","FRI","SAT","SUN"};int isDay(int ch){return ch>='A'&&ch<='G';}int isHour(int ch){return(ch>='0'&&ch<='9')||(ch>='A'&&ch<='N');}int main(){cin>>st>>ss;int i=0;char ch;while(!(isDay(st[i])&&isDay(ss[i])&&st[i]==ss[i])) ++i;ch=st[i++];printf("%s ",day[ch-'A']);while(!(isHour(st[i])&&isHour(ss[i])&&st[i]==ss[i])) ++i;ch=st[i];printf("%02d:",((ch>='0'&&ch<='9')?(ch-'0'):(ch-'A'+10)));cin>>st>>ss;i=0;while(!(isalpha(st[i])&&isalpha(ss[i])&&st[i]==ss[i])) ++i;printf("%02d",i);return 0;}