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"蔚来杯"2022牛客暑期多校训练营10
| A |
B |
C |
D |
E |
F |
G |
H |
I |
J |
K |
Dirt |
|
|
|
|
+ |
+ |
|
+ |
|
|
|
0/3 |
心路历程
0~1h：chm发现H的答案只和A、B有关，A了。
1h~2h：F题jsq觉得s要到t只能一直走重边，后面chm和hhl发现只要有两条边连向能到t的集合就行了，用并查集维护。
2h~4h：chm和hhl讨论了一下，最后用网络流写了E题。
4h~5h: I题想到了值的种类远小于n^2，但是具体怎么求还是没想到。<\p>
提交fail的原因
缺乏技能点
....