Below is an IPO program which allows the user to find out how many Euros she will get for a given number of dollars. Sometimes, the user enters an invalid value, like $30. Use validation along with the loop-and-a-half sentinel pattern to complete this problem. Complete the following file:
sentinel. cpp
1 2 3 4 5 6 7 #include #include #include using namespace std; int main() { cout << "Dollar to Euro Currency Converter" «< endl; cout << =\n" << endl; 8 9 10 11 12 13 14 15 16 cout << "How much (in $) is one Euro? "; double euro; cin >> euro; cout << endl; while (true) while (true) { cout << "Dollar amount to convert (Q to quit): "; double dollars; if (cin >> dollars) { 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 } else { } } cout << "\n--done--" << endl;; } Enviar IESU Input: 1.20 1.00 $3.50 186.09 Q Dollar to Euro Currency Converter How much (in $) is one Euro? Dollar amount to convert (Q to quit): Dollar amount to convert (Q to quit): Dollar amount to convert (Q to quit): Dollar amount Remainder truncated Timeout after 7500 milliseconds fail 1.05 1.00 fifteen 67.19 Q Dollar to Euro Currency Converter How much (in $) is one Euro? Dollar amount to convert (0 to quit): Dollar amount to convert (Q to quit): Dollar amount to convert (Q to quit): Dollar amount Remainder truncated Timeout after 7500 milliseconds fail