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1915. Sawing the Beam
Sawing the Beam
Вывод формулыОлимпиадные задачи на английском языке
| 25/04/2003 | 7-й Чемпионат Урала. 2 тур (5) |
| 08/07/2013 | Лето 2013-5 (E) |
| 04/07/2018 | Лето 2018 - 5 (упрощенное) (A) |
| 08/07/2020 | Лето 2020 - 4 (упрощенное) (A) |
Ограничения: время – 1s/2s, память – 32MiB Ввод: input.txt или стандартный ввод Вывод: output.txt или стандартный вывод 
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Bob wants to saw the beam (rectangular parallelepiped with integer length, width and height) to get unit cubes.
He wants to minimize the number of cuttings, putting several parts of the beam together so, that
one cutting may separate them simultaneously.
Write the program, which for given length, width and height calculates the minimal amount of cuttings
needed for partition of the beam into unit cubes.
Input
First line of the input file contains 3 integers (from 1 to 1000), separated by the space; they represent
length, width and height of the beam.
Output
On the first line of the output file write minimal amount of cuttings.
Sample Input #1
3 3 3
Sample Output #1
6
Sample Input #2
4 4 4
Sample Output #2
6
