2017-2018 ACM-ICPC Latin American Regional Programming Contest
Problem A
Solved by kblack. 03:24 (+2)
题意:一堆高度相同(有固定平行边)的凸多边形,要求找到最好的顺序把所有多边形卡在一起最短。
题解:枚举多边形对,从下到上判断边对之间卡在一起的距离,然后状压 DP 求最短的排列,搞一个 (0, 0) 到 (0, H) 的“多边形”后面写起来会方便点。
Problem B
Solved by kblack. 00:54 (+)
Problem C
Solved by zerol. 00:38 (+)
Problem D
Solved by zerol. 02:00 (+)
Problem E
Solved by ultmaster. 01:24 (+)
Problem F
Solved by ultmaster. 00:29 (+1)
Problem G
Solved by zerol. 02:15 (+)
Problem H
Solved by kblack. 00:08 (+)
温暖的签到。
Problem I
Solved by zerol. 01:13 (+)
Problem J
Solved by ultmaster. 00:44 (+)
Problem K
Solved by kblack. 04:23 (+2)
Problem L
Upsolved by zerol. (-1)
Problem M
Solved by ultmaster. 03:47 (+1)