zhang_di233的专栏

Description Transmitting and memorizing information is a task that requires different coding systems for the best use of the available space. A well known system is that one where a number is assoc

Description The cows, as you know, have no fingers or thumbs and thus are unable to play Scissors, Paper, Stone' (also known as 'Rock, Paper, Scissors', 'Ro, Sham, Bo', and a host of other names) i

Description Imagine you are attending your math lesson at school. Once again, you are bored because your teacher tells things that you already mastered years ago (this time he's explaining that (a+