Loading docs/math/mobius.md +2 −2 Original line number Diff line number Diff line Loading @@ -372,12 +372,12 @@ int main() { } ``` ### [「SPOJ 5971」LCMSUM](https://www.luogu.org/problemnew/show/SP5971) ### [「SPOJ 5971」LCMSUM](https://www.spoj.com/problems/LCMSUM/) 求值（多组数据） $$ \sum_{i=1}^n \text{lcm}(i,n)\qquad (1\leqslant T\leqslant 3\times 10^5,1\leqslant n\leqslant 10^6) \sum_{i=1}^n \text{lcm}(i,n)\quad \text{s.t.}\ 1\leqslant T\leqslant 3\times 10^5,1\leqslant n\leqslant 10^6 $$ 易得原式即 Loading Loading
docs/math/mobius.md +2 −2 Original line number Diff line number Diff line Loading @@ -372,12 +372,12 @@ int main() { } ``` ### [「SPOJ 5971」LCMSUM](https://www.luogu.org/problemnew/show/SP5971) ### [「SPOJ 5971」LCMSUM](https://www.spoj.com/problems/LCMSUM/) 求值（多组数据） $$ \sum_{i=1}^n \text{lcm}(i,n)\qquad (1\leqslant T\leqslant 3\times 10^5,1\leqslant n\leqslant 10^6) \sum_{i=1}^n \text{lcm}(i,n)\quad \text{s.t.}\ 1\leqslant T\leqslant 3\times 10^5,1\leqslant n\leqslant 10^6 $$ 易得原式即 Loading
