牛客HDU 补题记录
牛客第二场
A EDDY WALKER https://ac.nowcoder.com/acm/contest/882/A
B EDDY WALKER 2 https://ac.nowcoder.com/acm/contest/882/B
H SECOND LARGE RECTANGLE https://ac.nowcoder.com/acm/contest/882/H (单调栈) √
J SUBARRAY https://ac.nowcoder.com/acm/contest/882/J
牛客第三场
D BIG INTEGER https://ac.nowcoder.com/acm/contest/883/D（数论：欧拉函数，快速乘，质因数分解）
G REMOVING STONES https://ac.nowcoder.com/acm/contest/883/G
J JRU MANAGEMENT https://ac.nowcoder.com/acm/contest/883/J
牛客第四场
A MEETING https://ac.nowcoder.com/acm/contest/884/A （求树的直径 模板题）√
C SEQUENCE https://ac.nowcoder.com/acm/contest/884/C
J FREE https://ac.nowcoder.com/acm/contest/884/J (最短路分层图 DP DIJKSTRA) √
杭电第一场
杭电第二场
BEAUTY OF XXX http://acm.hdu.edu.cn/showproblem.php?pid=6592
keep on everything but triangle http://acm.hdu.edu.cn/showproblem.php?pid=6601
longest subarray http://acm.hdu.edu.cn/showproblem.php?pid=6602
杭电第三场
K-th Subsequences http://acm.hdu.edu.cn/showproblem.php?pid=6611
杭电第四场
Divide the Stones http://acm.hdu.edu.cn/showproblem.php?pid=6616
Linear Functions http://acm.hdu.edu.cn/showproblem.php?pid=6622 （数论极难）
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