摘要：
Vanya and Label While walking down the street Vanya saw a label "Hide&Seek". Because he is a programmer, he used & as a bitwise AND for these two word 阅读全文
摘要：
A. Theatre Square time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Theatre Square in the c 阅读全文
摘要：
Vanya and Food Processor Vanya smashes potato in a vertical food processor. At each moment of time the height of the potato in the processor doesn't e 阅读全文
摘要：
C. Bear and Prime 100 This is an interactive problem. In the output section below you will see the information about flushing the output. Bear Limak t 阅读全文