2020 ICPC Xiaomi Invitational Second Round Online Contest
Problem A
Solved by . 04:24:26(-4)
Problem B
Unsolved.
Problem C
Solved by Once. 03:19:36(-2)
Problem D
Solved by bingoier & Once. 00:53:26(+)
线性代数推导可得结论.
Problem E
Unsolved.
Problem F
Unsolved.
Problem G
Solved by . 01:48:41(-1)
Problem H
Solved by . 03:02:04(-3)
Problem I
Solved by bingoier & Once. 00:51:30(+3)
Problem J
Unsolved.
Problem K
Unsolved.