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摘要: ST表 递推:f[i][j]=max(f[i][j-1],f[i+(1<<j)][j-1] 查询:max(f[l][x],f[r-(1<<x)+1][x])x=log2(r-l+1) 费用流 #include<bits/stdc++.h> #define inf 2147483647 #define 阅读全文
posted @ 2023-03-30 21:07 Thunder_S 阅读(1) 评论(0) 推荐(0)