universities专题

National Contest for Private Universities (NCPU), 2019 E. Generalized Pascal's Triangle

编辑代码 2000ms 262144K Generalized Pascal's Triangle Pascal's triangle is a triangular array in which each number can be calculated by the sum of the two numbers directly above that number as shown i

【Codeforces Round 364 (Div 2)E】【树上路径 贪心】Connecting Universities 树上2k个点配对使得路径之和尽可能大

E.Connecting Universities time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Treeland is a country in which there are n to