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2024 全國模擬賽題目上線啦 !!!!!
題目在
這裡
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2247 . B. 打鍵盤
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快去寫 TIOJ 2311 > <
User's AC Ratio
87.2% (
109/125
)
Submission's AC Ratio
51.5% (
228
/
443
)
Tags
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TOI
TOI-pre
2022-TOI-pre
Description
題目 PDF 檔在這裡
Input Format
Output Format
Sample Input 1
copy
1
N
Sample Output 1
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1
Sample Input 2
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3
ALG
Sample Output 2
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9
Sample Input 3
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4
ALFQ
Sample Output 3
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11
Hints
Problem Source
2022 TOI 初選
測資來源:
TWPCA GitHub
Subtasks
No.
Testdata Range
Constraints
Score
1
0~2
範例測資。
0
2
3~18
$n \le 20$
29
3
19~30
所有字母皆與 F 和 J 同一列
30
4
31~40
無額外限制。
41
Testdata and Limits
No.
Time Limit (ms)
Memory Limit (VSS, KiB)
Output Limit (KiB)
Subtasks
0
1000
1048576
65536
1
1
1000
1048576
65536
1
2
1000
1048576
65536
1
3
1000
1048576
65536
2
4
1000
1048576
65536
2
5
1000
1048576
65536
2
6
1000
1048576
65536
2
7
1000
1048576
65536
2
8
1000
1048576
65536
2
9
1000
1048576
65536
2
10
1000
1048576
65536
2
11
1000
1048576
65536
2
12
1000
1048576
65536
2
13
1000
1048576
65536
2
14
1000
1048576
65536
2
15
1000
1048576
65536
2
16
1000
1048576
65536
2
17
1000
1048576
65536
2
18
1000
1048576
65536
2
19
1000
1048576
65536
3
20
1000
1048576
65536
3
21
1000
1048576
65536
3
22
1000
1048576
65536
3
23
1000
1048576
65536
3
24
1000
1048576
65536
3
25
1000
1048576
65536
3
26
1000
1048576
65536
3
27
1000
1048576
65536
3
28
1000
1048576
65536
3
29
1000
1048576
65536
3
30
1000
1048576
65536
3
31
1000
1048576
65536
4
32
1000
1048576
65536
4
33
1000
1048576
65536
4
34
1000
1048576
65536
4
35
1000
1048576
65536
4
36
1000
1048576
65536
4
37
1000
1048576
65536
4
38
1000
1048576
65536
4
39
1000
1048576
65536
4
40
1000
1048576
65536
4
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