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Someone sent me solutions during the contest.
Someone (handle — eat_sleep_flirt_repeat) sent me solution (not sure correct or not) of problem B of round 665 in talks while contest was running. And I don't even know that person. 
Now I am not sure what I should do so I am writing this as a blog. Please help me.
EDIT : another thing, I didn't noticed that during the contest and I didn't use the solution.
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en2 |
|
Jarif_Rahman | 2020-08-22 12:17:13 | 195 | Tiny change: 'help me.\n**EDIT:** ' -> 'help me.\n'\n'**EDIT:** ' | |
| en1 |
|
Jarif_Rahman | 2020-08-22 12:12:27 | 430 | Initial revision (published) |
