Mock CCC '19 Contest 2 S1 - Tudor's Double Doors

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Points: 3 (partial)
Time limit: 1.0s
Memory limit: 1G

Problem type
Allowed languages
Ada, Assembly, Awk, Brain****, C, C#, C++, COBOL, CommonLisp, D, Dart, F#, Forth, Fortran, Go, Groovy, Haskell, Intercal, Java, JS, Kotlin, Lisp, Lua, Nim, ObjC, OCaml, Octave, Pascal, Perl, PHP, Pike, Prolog, Python, Racket, Ruby, Rust, Scala, Scheme, Sed, Swift, TCL, Text, Turing, VB, Zig

Tudor, having finally had his fill of tea, now needs to think about keeping his goats safe.

Tudor has obtained a large rectangular door that is X metres long, Y metres high, and 1 metre thick. He intends on using this door to gate access to his goats.

There's only one problem - having just one door is aesthetically unpleasing to Tudor.

Therefore, he intends on taking the door and cutting it in half to make a set of double doors that he can use to gate access to his goats.

After cutting the door in half, what is the volume of one of the doors?


1 \le X, Y \le 10^9

In tests worth 14 marks, \max(X, Y) \le 10.

Input Specification

The input will consist of two positive space separated integers, X and Y.

Output Specification

Output, on a single line, the volume of one of the doors. The volume must be printed with exactly one digit after the decimal point.

Sample Input

2 2

Sample Output



  • 0
    JJ_G4M3R  commented on Feb. 17, 2019, 8:34 p.m. edited

    Is Batch #2 even solvable?

    Java's String.format some how doesn't work... Figured out how to solve it without using String.format