摘要：
Colonel has n badges. He wants to give one badge to every of his n soldiers. Each badge has a coolness factor, which shows how much it's owner reached 阅读全文
摘要：
列车问题，十分经典的对栈运用的题目 阅读全文
摘要：
Now our hero finds the door to the BEelzebub feng5166. He opens the door and finds feng5166 is about to kill our pretty Princess. But now the BEelzebu 阅读全文
摘要：
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，相应的结果不要输出。 Output对每个测试用例输出1行，即该表达 阅读全文