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Showing posts from December, 2011

编程的容易忽略的小问题记录

(1)C++中不要比较float,double类型的相等(eg, "=","<=",">="),会出bug (2)Release版本中注意负数求模(eg, (-1)%m)程序会崩溃,但Debug模式下貌似没有这个问题