Unofficial Hints for A to D problems Codeforces Round 675 Div2.

Revision en1, by AM_I_Learning, 2020-10-05 11:39:53
A
B

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en5 English AM_I_Learning 2020-10-05 16:47:14 1 Tiny change: '\n\n<spoiler' -> '\n<spoiler' (published)
en4 English AM_I_Learning 2020-10-05 16:03:31 53 Tiny change: ' $$S1=(10^(n-1-i))*((i*(i+1' -> ' $$S1=(10^$(n-1-i)$)*((i*(i+1' (saved to drafts)
en3 English AM_I_Learning 2020-10-05 12:29:38 0 Tiny change: '\n\n<spoiler' -> '\n<spoiler' (published)
en2 English AM_I_Learning 2020-10-05 12:26:25 4188
en1 English AM_I_Learning 2020-10-05 11:39:53 1816 Initial revision (saved to drafts)