View Problem
Format a decimal number
Format the number 7/8 as a decimal with 2 places: 0.88
ruby
ruby 1.9+
cpp C++/CLI .NET 2.0
cpp C++/CLI .NET 2.0
cpp
cpp
cpp
fsharp
fsharp
erlang
erlang
csharp
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(7.0/8.0*100).round/100.0
(7.0/8.0).round(2)
String^ formatted = String::Format("{0,3:F2}", result);
Console::WriteLine("{0,3:F2}", (7. / 8.));
std::printf("%3.2f\n", result);
std::ostringstream os;
os.width(3); os.fill('0'); os.setf(std::ios::fixed|std::ios::showpoint); os.precision(2);
os << result << std::ends;
std::cout << os.str() << std::endl;
os.width(3); os.fill('0'); os.setf(std::ios::fixed|std::ios::showpoint); os.precision(2);
os << result << std::ends;
std::cout << os.str() << std::endl;
std::cout << boost::format("%|3.2f|") % result << std::endl;
printfn "%3.2f" (0.7 / 0.8)
let formatted = String.Format("{0,3:F2}", (0.7 / 0.8))
Console.WriteLine(formatted)
Console.WriteLine(formatted)
Formatted = io_lib:format("~.2f", [7/8]),
io:format("~.2f~n", [7/8]).
public class FormatDecimal {
public static void Main() {
decimal result = decimal.Round( 7 / 8m, 2);
System.Console.WriteLine(result);
}
}
public static void Main() {
decimal result = decimal.Round( 7 / 8m, 2);
System.Console.WriteLine(result);
}
}
Submit a new solution for ruby, cpp, fsharp, erlang ...
There are 19 other solutions in additional languages (clojure, fantom, go, groovy ...)
