${a^{b_{d^{e_{f_{g^{h}}}}}}_{c_{i^{j^{k}}}}}$<-真·三角函数

${a^{b}_{c^{d}}}$

${only^{apple_{can^{do}}}}$

sb

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#pragma GCC target("avx")
#pragma GCC optimize(2,3,"Ofast","inline","-ffast-math")
#pragma GCC target("sse2,sse3,sse4,mmx")
#pragma omp parallel for
#pragma omp parallel num_threads(thread_count)
#pragma omp critical
#pragma omp parallel for reduction(+:sum)