摘要:
"题目链接" Complete Tripartite Introduce You have a simple undirected graph consisting of $n$ vertices and $m$ edges. The graph doesn't contain self loops 阅读全文
摘要:
"题目链接" Filling the Grid Introduce Suppose there is a $h×w$ grid consisting of empty or full cells. Let's make some definitions: $r_i$ is the number of 阅读全文