1891d

CF1891D Suspicious logarithms

Problem - D - Codeforces Suspicious logarithms - 洛谷 结论:设 \(l=2^k,r=2^{k+1}-1\),则 \(g(r)-g(l)\leq 1\)。因为 \(g(l) \geq 2\),而 \(r<2l\),因此区间 \([l,r]\) 内最多有 ......
Suspicious logarithms 1891D 1891 CF
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