KEYENCE Programming Contest 2019

Contest Info

date: 2019.01.13 20:00-22:00

practice link

Solutions

E. Connecting Cities

题目大意:给定 \(D, \{a_i\}\),求 \(n(n\leq 10^5)\) 个点的完全图的最小生成树。边权为 \(|i-j|\times D+a_i+a_j\)

题解

F. Paper Cutting

题目大意

题解