摘要：B. Sail time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output The polar bears are going fishing 阅读全文

摘要：C. Parity Game time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are fishing with polar 阅读全文

摘要：A. Snow Footprints time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There is a straight sn 阅读全文

摘要：D. Fish Weight time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output It is known that there are 阅读全文

摘要：B. Bear and Blocks time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Limak is a little bear 阅读全文