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EMP - University Employees |
On some island each inhabitant is either a knight who only tells the truth, or a liar who always lies. Also, on the island there exists a university of technology where some of the inhabitants work. All of the university employees will always tell you the following two things, no matter which employee you ask:
It is also known that no two employees of the university have an identical salary, and no two work equally. Write a program which will compute how many persons are employed by this university.
Input
The only input line contains two integers N and M, with one space between them [N, M <= 1000000000].
Output
The output must contain only one integer - the total number of employees of this university, or 0 if there is no way to find the number of employees.
Example
Input: 1 1 Output: 2
Author: Filimonenkov D.O.
| Added by: | Roman Sol |
| Date: | 2006-04-24 |
| Time limit: | 1s |
| Source limit: | 50000B |
| Memory limit: | 1536MB |
| Cluster: | Cube (Intel G860) |
| Languages: | ADA95 ASM32 BASH BF C CSHARP CPP C99 CLPS LISP sbcl LISP clisp D FORTRAN HASK ICON ICK JAVA LUA NEM NICE OCAML PAS-GPC PAS-FPC PERL PHP PIKE PRLG-swi PYTHON RUBY SCM guile SCM qobi ST TEXT WHITESPACE |
| Resource: | ZCon 2007 |