C++大学教程(第二版)部分练习题答案

// Exercise 5.46 Solution // NOTE: THAT THIS PROGRAM ONLY HANDLES VALUES UP TO $99.99 // The program is easily modified to process larger values #include <iostream.h> int main() { const char *digits[ 10 ] = { "", "ONE", "TWO", "THREE", "FOUR", "FIVE", "SIX", "SEVEN", "EIGHT", "NINE" }; const char *teens[ 10 ] = { "TEN", "ELEVEN", "TWELVE", "THIRTEEN", "FOURTEEN", "FIFTEEN", "SIXTEEN", "SEVENTEEN", "EIGHTEEN", "NINETEEN"}; const char *tens[ 10 ] = { "", "TEN", "TWENTY", "THIRTY", "FORTY", "FIFTY", "SIXTY", "SEVENTY", "EIGHTY", "NINETY" }; int dollars, cents, digit1, digit2; cout << "Enter the check amount (0.00 to 99.99): "; cin >> dollars; cin.ignore(); cin >> cents; cout << "The check amount in words is:\n"; if ( dollars < 10 ) cout << digits[ dollars ] << ' '; else if ( dollars < 20 ) cout << teens[ dollars - 10 ] << ' '; else { digit1 = dollars / 10; digit2 = dollars % 10; if ( !digit2 ) cout << tens[ digit1 ] << ' '; else cout << tens[ digit1 ] << "-" << digits[ digit2 ] << ' '; } cout << "Dollars and " << cents << "/100" << endl; return 0; }