请专家帮个忙
这样一个文本要读入C++程序中怎么写C++源码??
AA.TXT
1990-12-19 5079708.500000
1990-12-20 5223662.000000
1990-12-21 5430693.500000
1990-12-24 5659133.500000
1990-12-25 5894766.000000
1990-12-26 6071453.000000
1990-12-27 6073811.000000
1990-12-28 6123899.000000
1990-12-31 6175035.500000
1991-01-02 7107719.000000