1 专注思维和发散思维 2 结构安排 3专注思维和发散思维-画家达利也在运用 4 什么是学习 5 拖延症简介 6 实践记忆永存 7 记忆简介 8 睡眠在学习中的重要性 9 特伦斯·谢诺沃斯基博士访谈 10MaryAnna特别提示 11 关于学习语言的采访 12 关于创造力的采访 13写作教练Daphne访谈
time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Polycarp has three sisters: Alice, Barbara, and Cerene. They're collecting coins. Currently, Alice has aa coins, Barbara has bb coins and Ce
A. Collecting Coins time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Polycarp has three sisters: Alice, Barbara, and Cerene. They’re collecting coins. Currently, Alice has a coins, Barbara has b
我们通常希望避免在两个并行事务中产生如下情形： Adam的事务读取数据 XBarbara的事务读取数据 XAdam的事务修改数据 X，并将其修改为 XAAdam的事务写入数据 XABarbara的事务修改数据 X，并将其修改为 XBBarbara的事务写入数据 XB结果是，Adam所做的修改完全被Barbara所覆盖掉了，但是Barbar
Paragraph 3: He called for proof of the protectionist view that visitations of the ants confer protection on the plants and that in the absence of the insects a much greater number would perish or fail to produce flowers or seeds than when the insects are
