How should I train?

Правка en1, от n1cat, 2025-02-27 14:38:10

In codeforces Div. 2 problems, I could only solve the first 2 problems in the contest, but out of contest I could write problem C too. How can I increase this value in contests?

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en1 Английский n1cat 2025-02-27 14:38:10 196 Initial revision (published)