大数据和题解上对拍无误，到底问题出在了哪。
by king_xbz @ 2020-07-17 12:18:17
HELP
by king_xbz @ 2020-07-17 12:19:12
在线求助！！！
by king_xbz @ 2020-07-17 12:20:50
好了，我知道啦！
oula函数应该是void
by king_xbz @ 2020-07-17 12:22:58
QAQ
by 血色黄昏 @ 2020-07-17 12:24:40
~~oula函数没有返回值或者应该设成void~~
by dzy2008 @ 2020-07-17 12:47:50
哦哦，四楼说了啊
by dzy2008 @ 2020-07-17 12:48:17