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洛谷 P4213 【模板】杜教筛

给定 TT 个正整数 nn,求 i=1nφ(i)\sum_{i=1}^n\varphi(i)i=1nμ(i)\sum_{i=1}^n \mu(i)。(T10,n231T\le10,n\le2^{31}