摘要:
题 OvO http://acm.hdu.edu.cn/showproblem.php?pid=6070 (2017 Multi-University Training Contest - Team 4 - 1004) 解 二分答案 check时,要满足distinct(l,r)/(r-l+1)<v 阅读全文
摘要:
题 OvO http://acm.hdu.edu.cn/showproblem.php?pid=6078 (2017 Multi-University Training Contest - Team 4 - 1012) 解 记f[i][j][k]为在s1中以第i位结尾,s2中以第j为结尾,末端状态( 阅读全文