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2025CSP-S模拟赛65(HZOJ CSP-S模拟37)A
B
C
D
Sum
Rank100
40
15
-
155
7/12HZOJ 上也有这场比赛,但我没看见。放过去大概是个 14/24 左右吧。
A. gcd&xor (gcdxor)
首先打表,发现对于所有合法的 \((x,y)\),都…
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