UVa 12896 - Mobile SMS

Accepted date: 2015-08-01
Ranking (as of 2015-08-01): 23 out of 499
Language: C++

/*
  UVa 12896 - Mobile SMS

  To build using Visual Studio 2012:
    cl -EHsc -O2 UVa_12896_Mobile_SMS.cpp
*/

#include <cstdio>

const int L_max = 100, N_max = 9, P_max = 4;

const char keys[N_max + 1][P_max + 1] = {
  {'\0', ' '},
  {'\0', '.', ',', '?', '"'},
  {'\0', 'a', 'b', 'c'},
  {'\0', 'd', 'e', 'f'},
  {'\0', 'g', 'h', 'i'},
  {'\0', 'j', 'k', 'l'},
  {'\0', 'm', 'n', 'o'},
  {'\0', 'p', 'q', 'r', 's'},
  {'\0', 't', 'u', 'v'},
  {'\0', 'w', 'x', 'y', 'z'}
};

int main()
{
  int T;
  scanf("%d", &T);
  while (T--) {
    int L, Ns[L_max];
    scanf("%d", &L);
    for (int i = 0; i < L; i++)
      scanf("%d", &Ns[i]);
    char message[L_max + 1];
    for (int i = 0; i < L; i++) {
      int P;
      scanf("%d", &P);
      message[i] = keys[Ns[i]][P];
    }
    message[L] = '\0';
    puts(message);
  }
}