File: factorial.tiny

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/* Sample program in Tiny language – computes factorial
   from https://a7medayman6.github.io/Tiny-Compiler/
*/
int main()
{
    int x;
    read x; /*input an integer*/

    if x > 0 /*don’t compute if x <= 0 */
    then
        int fact := 1;
        repeat
            fact := fact * x;
            x := x - 1;
        until x = 0
        write fact; /*output factorial of x*/
    elseif x = 0 then
        write 1;
    else
        write "Error: x must be >= 0";
    end
    return 0;
}