10921 - Find the telephone/10921.cpp

   1 #include <iostream>
   2 #include <string>
   3
   4 using namespace std;
   5
   6 string l[] = {"0", "1", "ABC", "DEF", "GHI", "JKL", "MNO", "PQRS", "TUV", "WXYZ"};
   7
   8 int translate(char c){
   9   for (int i=0; i<10; ++i){
  10     if (l[i].find(c) != string::npos){
  11       return i;
  12     }
  13   }
  14   return -1;
  15 }
  16
  17 int main(){
  18   string s;
  19   while (getline(cin, s)){
  20     for (int i=0; i<s.size(); ++i){
  21       if (s[i] == '-') cout << "-";
  22       else cout << translate(s[i]);
  23     }
  24     cout << endl;
  25   }
  26   return 0;
  27 }