tim12300的专栏

A2. Oh Sweet Beaverette time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output — Oh my sweet Beaverette, would you fancy a walk along a ...

今天搞大素数搞了一天没弄明白，这题是组合数学的，接上篇当习题做的，感觉不错，把26个字母填入10以内格子的组合方法累加 #include <iostream> #include <algorithm> #include <cstring> #include <cstdio> #include <cstdlib> #include...