CS计算机代考程序代写 #include
#include
#include
#include
using namespace std;
int main() {
double price = 78.5;
cout << "The price is $" << price << endl;
cout << fixed << showpoint << setprecision(2);
cout << "The price is $" << price << endl;
string priceheader = "The price is ($): ";
cout << "1234567890123456789012345678901234567890" << endl;
// justify further output to the left
cout << left;
// print priceheader, adding spaces up to 20 characters wide
cout << setw(20) << priceheader;
// justify further output to the right
cout << right;
// print price, adding spaces up to 10 character wide (right justified)
cout << setw(10) << price << endl;
// Tricky cases follow!
string priceheader2 = "The price is: ";
cout << "1234567890123456789012345678901234567890" << endl;
cout << left;
// Note: setw() applies only to the next element sent to the stream,
// in this case, priceheader. Thus "($)" comes after the 20 characters
// set by setw(20) for outputting priceheader.
cout << setw(20) << priceheader << "($)";
cout << right;
cout << setw(10) << price << endl;
cout << "1234567890123456789012345678901234567890" << endl;
cout << left;
cout << setw(20) << priceheader;
cout << right;
// Note: Here we use the + operator to concatenate $ with price,
// then setw(10) on the concatenated string.
// This prints 78.5000 as the price, as setprecision applies to
// floating point numbers, but the price has been converted to a string.
cout << setw(10) << "$"+to_string(price) << endl;
return 0;
}
