Question about self development

Revision en1, by A_N_O_T_H_E_R, 2022-03-20 03:58:04

What is better for improvement skills: Upsolve problems Doing virtual contest Solving problems of specific topic

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en1 English A_N_O_T_H_E_R 2022-03-20 03:58:04 146 Initial revision (published)