Difference between revisions of "2018 Multi-University, HDU Day 1"
Jump to navigation
Jump to search
(Created page with "== Problem A == Solved by ultmaster. 00:41 (+2) == Problem B == Solved by ultmaster. 04:33 (+3) == Problem C == Solved by zerol. 00:19 (+) == Problem D == Solved by kbl...") |
|||
| Line 2: | Line 2: | ||
Solved by ultmaster. 00:41 (+2) | Solved by ultmaster. 00:41 (+2) | ||
| + | |||
| + | 题意：求 $a$, $b$, $c$ 满足都是 $n$ 的因数也和为 $n$。 | ||
| + | |||
| + | 题解：各种筛各种暴力发现都布星。过了好久才开始考虑数学性质，好像只能分成 1/3 * 3 或者 1/2 + 1/4 + 1/4 其它都布星。 | ||
== Problem B == | == Problem B == | ||
Revision as of 10:21, 23 July 2018
Problem A
Solved by ultmaster. 00:41 (+2)
题意：求 $a$, $b$, $c$ 满足都是 $n$ 的因数也和为 $n$。
题解：各种筛各种暴力发现都布星。过了好久才开始考虑数学性质，好像只能分成 1/3 * 3 或者 1/2 + 1/4 + 1/4 其它都布星。
Problem B
Solved by ultmaster. 04:33 (+3)
Problem C
Solved by zerol. 00:19 (+)
Problem D
Solved by kblack. 00:56 (+1)
Problem F
Unsolved. 04:50 (-1)
Problem G
Solved by zerol. 03:25 (+1)
Problem K
Solved by kblack. 00:28 (+4)