2267 . 箭頭謎題

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willychan
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User's AC Ratio

65.6% (21/32)

Submission's AC Ratio

29.6% (32/108)

Tags

NPSC 2021-NPSC

Description

題目 PDF 檔在這裡

Input Format

Output Format

Sample Input 1

4
0101

Sample Output 1

Yes

Sample Input 2

2
01

Sample Output 2

No

Sample Input 3

7
1011001

Sample Output 3

Yes

Hints

Problem Source

2021 網際網路程式設計全國大賽 高中組網路賽
測資來源：NPSC 官網

Subtasks

No. Testdata Range Constraints Score
1 0~2 範例測資。 0
2 3~60 無額外限制。 0

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 262144 65536 1
1 1000 262144 65536 1
2 1000 262144 65536 1
3 1000 262144 65536 2
4 1000 262144 65536 2
5 1000 262144 65536 2
6 1000 262144 65536 2
7 1000 262144 65536 2
8 1000 262144 65536 2
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60 1000 262144 65536 2
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