317 . 黑白舞蹈機

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Caido
主唱太拼命了

User's AC Ratio

80.0% (12/15)

Submission's AC Ratio

41.0% (16/39)

Tags

ytp ytp-senior ytp-2022

Description

題目 PDF 檔在這裡

Input Format

Output Format

Sample Input 1

5 5
0 0 1 1 0
1 5
2 1
4 2
2 3
4 3

Sample Output 1

Yes
1
5

Sample Input 2

5 5
1 0 1 1 0
1 5
2 1
4 2
2 3
4 3

Sample Output 2

No

Hints

Problem Source

YTP 2022 高中組初賽 p3

Subtasks

No. Testdata Range Constraints Score
1 0~1 範例測資 0
2 2~11 保證以所有 $(x, y)$ 為邊的圖會是⼀條鏈 6
3 0~48 無額外限制 9

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 524288 65536 1 3
1 1000 524288 65536 1 3
2 1000 524288 65536 2 3
3 1000 524288 65536 2 3
4 1000 524288 65536 2 3
5 1000 524288 65536 2 3
6 1000 524288 65536 2 3
7 1000 524288 65536 2 3
8 1000 524288 65536 2 3
9 1000 524288 65536 2 3
10 1000 524288 65536 2 3
11 1000 524288 65536 2 3
12 1000 524288 65536 3
13 1000 524288 65536 3
14 1000 524288 65536 3
15 1000 524288 65536 3
16 1000 524288 65536 3
17 1000 524288 65536 3
18 1000 524288 65536 3
19 1000 524288 65536 3
20 1000 524288 65536 3
21 1000 524288 65536 3
22 1000 524288 65536 3
23 1000 524288 65536 3
24 1000 524288 65536 3
25 1000 524288 65536 3
26 1000 524288 65536 3
27 1000 524288 65536 3
28 1000 524288 65536 3
29 1000 524288 65536 3
30 1000 524288 65536 3
31 1000 524288 65536 3
32 1000 524288 65536 3
33 1000 524288 65536 3
34 1000 524288 65536 3
35 1000 524288 65536 3
36 1000 524288 65536 3
37 1000 524288 65536 3
38 1000 524288 65536 3
39 1000 524288 65536 3
40 1000 524288 65536 3
41 1000 524288 65536 3
42 1000 524288 65536 3
43 1000 524288 65536 3
44 1000 524288 65536 3
45 1000 524288 65536 3
46 1000 524288 65536 3
47 1000 524288 65536 3
48 1000 524288 65536 3
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