2020-05-28 报时助手

#include <cstdio>
#include <iostream>
using namespace std;

string translate(int num){
   string ans;
   int s = num/10;
   int g = num%10;
   if (num<=20) {
           switch (num) {
                   case 1:
                       ans = "one";
                       break;
                   case 2:
                       ans = "two";
                       break;
                   case 3:
                       ans = "three";
                       break;
                   case 4:
                       ans = "four";
                       break;
                   case 5:
                       ans = "five";
                       break;
                   case 6:
                       ans = "six";
                       break;
                   case 7:
                       ans = "seven";
                       break;
                   case 8:
                       ans = "eight";
                       break;
                   case 9:
                       ans = "nine";
                       break;
                   case 10:
                       ans = "ten";
                       break;
                   case 11:
                       ans = "eleven";
                       break;
                   case 12:
                       ans = "twelve";
                       break;
                   case 13:
                       ans = "thirteen";
                       break;
                   case 14:
                       ans = "fourteen";
                       break;
                   case 15:
                       ans = "fifteen";
                       break;
                   case 16:
                       ans = "sixteen";
                       break;
                   case 17:
                       ans = "seventeen";
                       break;
                   case 18:
                       ans = "eighteen";
                       break;
                   case 19:
                       ans = "nineteen";
                       break;
                   case 20:
                       ans = "twenty";
                       break;
               default:
                   ans = "zero";
                   break;
           }
   } else {
       switch (s) {
               case 2:
                   ans = "twenty";
                   break;
               case 3:
                   ans = "thirty";
                   break;
               case 4:
                   ans = "fourty";
                   break;
               case 5:
                   ans = "fifty";
                   break;
           default:
               ans = "zero";
               break;
       }
       switch (g) {
               case 1:
                   ans += " one";
                   break;
               case 2:
                   ans += " two";
                   break;
               case 3:
                   ans += " three";
                   break;
               case 4:
                   ans += " four";
                   break;
               case 5:
                   ans += " five";
                   break;
               case 6:
                   ans += " six";
                   break;
               case 7:
                   ans += " seven";
                   break;
               case 8:
                   ans += " eight";
                   break;
               case 9:
                   ans += " nine";
                   break;
           default:
               ans += " zero";
               break;
       }
   }
   return ans;
}

int main(){
   int h,m;
   ios::sync_with_stdio(false);
   scanf("%d%d",&h,&m);
   
   if (m==0) {
       string s = translate(h);
       cout<<s<<" o'clock"<<endl;
       return 0;
   }
   //
   string hour,min;
   hour = translate(h);
   min = translate(m);
   cout<<hour<<" "<<min<<endl;
   return 0;
}