Common Subsequence Descriptions: A subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X = < x1, x2, ..., xm > another sequence Z = < z1, z2, ..., zk > is a subsequence of X if th…
[POJ 1201] Intervals(差分约束系统) 11 1716的升级版 把原本固定的边权改为不固定. Intervals Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 23817 Accepted: 9023 Description You are given n closed, integer intervals [ai, bi] and n integers c1, ..., cn. Write a p…