long random (long howbig)
生成隨機(jī)數(shù)
生成[0, howbig-1]范圍的隨機(jī)數(shù).
參數(shù):
long random (long howsmall, long howbig)
生成[howsmall, howbig-1]范圍的隨機(jī)數(shù).