摘要:
2-3 Trees Problem Description 2-3 tree is an elegant data structure invented by John Hopcroft. It is designed to implement the same functionality as t 阅读全文
摘要:
C. Dima and Salad Dima, Inna and Seryozha have gathered in a room. That's right, someone's got to go. To cheer Seryozha up and inspire him to have a w 阅读全文
摘要:
C. Logo Turtle A lot of people associate Logo programming language with turtle graphics. In this case the turtle moves along the straight line and acc 阅读全文