摘要：
The Pilots Brothers' refrigerator Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 25343 Accepted: 9786 Special Judge Description The game “ 阅读全文
摘要：
计算器 Problem Description 读入一个只包含 +, -, *, / 的非负整数计算表达式，计算该表达式的值。 Input 测试输入包含若干测试用例，每个测试用例占一行，每行不超过200个字符，整数和运算符之间用一个空格分隔。没有非法表达式。当一行中只有0时输入结束，相应的结果不要输 阅读全文
摘要：
Flip Game Description Flip game is played on a rectangular 4x4 field with two-sided pieces placed on each of its 16 squares. One side of each piece is 阅读全文