实例11\11.BMP
......\EXCHANGE.CPP
......\EXCHANGE.DSP
......\EXCHANGE.DSW
......\EXCHANGE.EXE
......\EXCHANGE.ncb
......\EXCHANGE.OBJ
......\EXCHANGE.OPT
......\EXCHANGE.PLG
......\EXCHANGE.rar
实例11
......\4give-all-primes.txt