Need Help in a Problem

Revision en2, by GreatSolver, 2019-07-10 17:46:59

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  Rev. Lang. By When Δ Comment
en2 English GreatSolver 2019-07-10 17:46:59 19 Tiny change: 'ntest/920/my\nThanks i' -> 'ntest/920/submission/56808023\nThanks i'
en1 English GreatSolver 2019-07-10 17:46:01 170 Initial revision (published)