摘要：
Pizza CuttingWhen someone calls Ivan lazy, he claims that it is his intelligence that helps him to be so. If hisintelligence allows him ... 阅读全文
摘要：
SupermeanDo you know how to compute the mean (or average) of n numbers? Well, that’s not good enoughfor me. I want the supermean! “What’... 阅读全文