| rank | solved | A | B | C | D | E | F | G | H | I | J | K | L |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 38 | 9 | O | O | Ø | . | O | O | . | Ø | O | O | O | . |
A
Solved by XLor (00:07:13).
1 | print(eval(input().replace('(', '**('))) |
B
Solved by XLor, miaojie and ytriayggg (04:34:24, +5).
C
UpSolved by ytriayggg.
枚举每一对算贡献，线段树优化 DP。
E
Solved by ytriayggg (01:07:35, +3).
F
Solved by miaojie (01:51:24, +4).
尺取（双指针）。
I
Solved by miaojie (00:28:40, +1).
拿出一个数字，特判前导 $0$。
J
Solved by XLor (02:58:22, +1).
枚举上边界，枚举下边界，枚举每个右端点，判断时需要保证前缀和的差为 $0,1,-1$，并且左右被黑框包围。注意到，每个点的贡献范围是一个区间，在结束时删除贡献即可。
K
Solved by XLor (00:50:46).