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giai thua

doi co so

to hop chap K cua N

tao tu random

Tinh da thuc bac N

so nguyen to

Tim chuoi doi xung

tinh dien tich

Tong hai so chi gio

nhap xuat chuoi~

hoan vi

Dao nguoc chuoi

Tinh thu cua ngay

lich can chi

Tinh so PI voi sai so 0

bo nho trong 1

The hien cac gia tri bit cua so

uoc so cua so n