摘要: 链接:https://codeforces.com/contest/1787/problem/C 题意:给定数组a数n和s,再由$x_i+y_i=a_i$且$(x_i-s) \cdot (y_i-s) \geq 0$一个式子令其值最小 $ F = a_1 \cdot x_2+y_2 \cdot x_ 阅读全文
posted @ 2023-01-31 00:07 wrong,anser 阅读(41) 评论(0) 推荐(0)