\(\left \lceil \frac{a}{b} \right \rceil = \left \lfloor \frac{a + b - 1}{b} \right \rfloor\)
转载于:https://www.cnblogs.com/scott527407973/p/11220382.html
\(\left \lceil \frac{a}{b} \right \rceil = \left \lfloor \frac{a + b - 1}{b} \right \rfloor\)
转载于:https://www.cnblogs.com/scott527407973/p/11220382.html