Semsue(Gemini)

摘要： CF1817C Similar Polynomials 直接带入 \[\begin{aligned} \sum_{i=0}^{d}b_ix^i&=\sum_{i=0}^{d}a_i(x+s)^{i}\\ &=\sum_{i=0}^{d}x_i\sum_{j=i}^{d}\binom{j}{i}a_j 阅读全文