随机数的产生\MGRN1.C ............\MGRN10.C ............\MGRN10.DAT ............\MGRNS.C ............\MGRNS0.C ............\MGRNS0.DAT ............\MRAB1.C ............\MRAB10.C ............\MRAB10.DAT ............\MRABS.C ............\MRABS0.C ............\MRABS0.DAT ............\MRND1.C ............\MRND10.C ............\MRND10.DAT ............\MRNDS.C ............\MRNDS0.C ............\MRNDS0.DAT 随机数的产生