On Sunday, April 27, 2003, Fresno will celebrate Earth Day in downtown Fresno at Courthouse Park. The event will begin at noon. This year we will include music, speakers, and vendors, plus activities for children. Fresno Earth Day is recogn

C++实现des算法的代码，des是常用的加解密算法之一，理解des的使用公园里有助于我们学习信息安全。-C++ code for the algorithm to achieve des, des encryption and decryption algorithm is the one commonly used to understand the use of the park des helps us learn information security.