摘要: joyoi楼兰图腾,树状数组求逆序对的题,joyoi过不去,contesthunter过去了…… 1 #include <cstdio> 2 #include <cstring> 3 #define ll long long 4 #define init(a, b) memset(a, b, siz 阅读全文
posted @ 2019-01-30 09:59 AlphaWA 阅读(155) 评论(0) 推荐(0) 编辑