摘要: [TOC] 差分约束不是差分 题目难易不安顺序,肾选 差分约束就是一些不等式组 a[i] a[j] =k1 a[i] a[j]=x b2 a2=0 x(i 1) xi include include include include // define int long long using name 阅读全文
posted @ 2018-09-16 22:01 ComplexPug 阅读(178) 评论(0) 推荐(0)