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## A. Nastia and Nearly Good Numbers https://codeforces.com/problemset/problem/1521/A ```python """ 思路: 1.就是普通的打印,NO的情况是只有b=1的时候才会出现,其他的都是YES,如果不想再继续分 阅读全文
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## B. Fedor and New Game https://codeforces.com/problemset/problem/467/B ```python """ 思路: 1.暴力方法: 通过循环二进制之后的,逐个位与fedor进行判断,通过取余,如果最后不同的超过3个就计+1 2.解决方 阅读全文
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## A. Anton and Letters https://codeforces.com/problemset/problem/443/A ##### Recently, Anton has found a set. The set consists of small English lette 阅读全文