摘要： D. Polylinetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are three points marked on the c... 阅读全文

摘要： B. Chocolatetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputBob loves everything sweet. His favor... 阅读全文

摘要： A. Elephant time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output An elephant decided to visit 阅读全文