This is the Chinese New Year PPT completed lectures, etc. I came alive again out
Because I might be lazy and some examples placed directly PPT solution to a problem (on the PPT did not write) out
In fact this one has not yet reached the level of zzt papers
Du flexible use of teaching and min25 sieve sieve sieve solve problems within the sub-linear NOI compared Enough
Although the law is to introduce screening, inversion, number theory and deformation must first grasp