NULLfori0iNi
aira
d991
voidmai
i
tg0
i
th0
fi
ta1Nii
teNsqlistabcd
umR
ua2b2i
tc1Ni
tlow0high10i
tdatN
i
ita1随机产生个数fori0iNic1ia1iaikeya1ibikeya1icikeya1idikeya1i
umikeya1iRikeya1i
uikeya1idatia1i
cout