2018 Multi-University, Nowcoder Day 5

Problem A

Solved by ultmaster. 00:25 (+)

题意：要求删掉 $k$ 门课程的成绩使得加权平均分最大。

题解：二分答案，移项后判断式子是否大于 0 即可。

Problem D

Unsolved. (-1)

Problem E

Solved by zerol. 00:49 (+)

Problem F

Solved by ultmaster. 02:14 (+)

Problem G

Solved by kblack. 00:14 (+1)

Problem H

Solved by zerol. 02:52 (+1)

Problem I

Solved by kblack. 01:17 (+1)

Problem J

Solved by kblack. 00:08 (+)