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0
tourist is goat, god of algorithmn |
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+3
E2 is a nice problem,double experience https://www.luogu.com.cn/problem/P9530 |
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0
SOSdp..... |
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0
I solve C,in contest time using a o(n^3) algorithmn.But someone hack me.However,the second day,I solve the problem in a o(n^3) algorithmn again.Using 2.1s to solve the 3s limited problem |
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