Difference between revisions of "2020 ICPC Xiaomi Invitational Second Round Online Contest"
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== Problem B == | == Problem B == | ||
− | + | Unsolved. | |
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== Problem C == | == Problem C == |
Revision as of 13:55, 3 November 2020
Problem A
Unsolved.
Problem B
Unsolved.
Problem C
Solved by bingoier. 00:27:30
贪心选择最后一个信封柜即可
Problem D
Unsolved.
Problem E
Solved by yanghong. 00:36:01(+2)
结论为 $sg(x) = [c_2] + \sum_{i > 2} c_i$
其中 $x = 2^{c_2} 3 ^ {c_3} 5 ^ {c_5} \dots $
Problem F
Solved by Once. 04:43:11(+4)
把所有边界点带入后方的连续函数验证连续性即可。
取消同步要人命。
Problem G
Solved by Once. 00:16:43
大胆猜测答案就是出现最多的字母的出现次数。
Problem H
Unsolved.
Problem I
Unsolved.
Problem J
Unsolved.
Problem K
Unsolved.