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How do I solve the problem http://acm.timus.ru/problem.aspx?space=1&num=1673 ?
Problem : http://acm.timus.ru/problem.aspx?space=1&num=1673
Through Discussion forum I found that it can be solved using Euler Totient Function. I have tried for 24 hours but couldn't understand the reason behind using Euler Totient function for this problem.
I feel glad if someone can explain me with the approach to the problem.
Thanks in advance.
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en1 |
|
some_random_handle | 2015-06-14 08:48:45 | 437 | Initial revision (published) |
