2018暑假杭电多校第七场

GuGuFishtion (hdu 6390 莫比乌斯反演) include”bits/stdc++.h” include”bits/stdc++.h” define out(x) cout<<#x<<”=”< define C(n,m) ((long long)fac[(n)]*inv[(m)]%MOD*inv[(n)-(m)]%MOD) GuGuFishtion (hdu 6390 莫比乌斯反
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