2020年6月17日
H - Grid 1
摘要： Problem Statement There is a grid with HH horizontal rows and WW vertical columns. Let (i,j)(i,j) denote the square at the ii-th row from the top and 阅读全文
posted @ 2020-06-17 11:00 DeaL57 阅读(370) 评论(0) 推荐(0)
G - Longest Path
摘要： Problem Statement There is a directed graph GG with NN vertices and MM edges. The vertices are numbered 1,2,…,N1,2,…,N, and for each ii (1≤i≤M1≤i≤M), 阅读全文
posted @ 2020-06-17 09:56 DeaL57 阅读(307) 评论(0) 推荐(0)