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Help me to understand an interesting geometry solution
problem: https://toph.co/p/problem-number-nine-and-three-quarter solution: http://ideone.com/RYkF3m
though I solved it in two different ways. but I can't understand this solution. I tried but couldn't make a communication with the actual writer of the solution. Please help me.
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en1 |
|
Least_but_not_the_last | 2017-08-11 09:04:34 | 335 | Initial revision (published) |
