December 18, 2019 summary

These days is doing number theory problems, now appears to be relatively simple, many templates questions, then that is a cf every day, painted a few questions of number theory. Because cf up a day so a little slower progress than others, but certainly before the end of the catch. Brush these questions of number theory can prove that before to go over the way to find out how to use.

That cf yesterday hit more than two points went to bed, and then finish up the final survey questions, etc., did not live up to their own night finally on the boil 1700 1700 , in fact, immediately 1800 1800 , not two weekends off 30 30 points, with just over 1800 1800 . I used to think on their own are unlikely to name a blue, purple name now appears that this year I can also dampen, then quickly hand speed can be more than prove themselves before those training were not in vain. Keep up! ! ! Chong! ! !

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Origin blog.csdn.net/qq_43627087/article/details/103606293