Newspaper

The UVa forum to the rescue again... ACCEPTED !!!  
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Question: Newspaper
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#include "iostream.h"
#include "iomanip.h"

int main()
{
   int n;
   cin >> n;
   for(int t = 0; t < n; t++) {

       unsigned long long int arr[256];
       for(int i = 0; i < 256; i++) arr[i] = 0;

       int k;
       cin >> k;
       for(int j = 0; j < k; j++) {
           cin.ignore();
           unsigned char key = cin.get();
           long long int value;
           cin >> value;
           arr[int(key)] = value;
       }

       int m;
       unsigned long long int pay = 0;
       cin >> m;
       cin.ignore();
       for(int i = 0; i < m; i++) {
           unsigned char c = cin.get();
           while(c != '\n') {
               pay += arr[int(c)];
               c = cin.get();
           }
       }
       cout.setf(ios::fixed);
       cout << setprecision(2) << pay / 100 << "." << setw(2) << setfill('0') << pay % 100 <<"$" << endl;
   }
   return 0;
}
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