摘要: 思路:每次先以价值为边权走一遍SPFA,沿最短路增广。#includeusing namespace std;typedef long long LL;const LL MAXN=501;const LL MAXM=3e4+10;const LL INF=0x3f3f... 阅读全文
posted @ 2018-09-28 21:57 Ishtar~ 阅读(98) 评论(0) 推荐(0) 编辑