9
Guess the Language: #9
(programming.dev)
import std.stdio;
void main()
{
writeln("Enter a number:");
int input;
readf("%d", &input);
writeln("Factorial:", factorial(input));
}
int factorial(int n)
{
if (n <= 1)
return 1;
return n * factorial(n - 1);
}
Options: Vala, Crystal, D, Nim
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