TopCoder

User's AC Ratio

100.0% (5/5)

Submission's AC Ratio

100.0% (6/6)

Tags

Description

Input Format

Output Format

Sample Input 1

4 4
1 2
2 3
3 4
4 1

Sample Output 1

RBRB

Sample Input 2

4 4
1 2
2 3
3 1
1 4

Sample Output 2

RBRB

Sample Input 3

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

Sample Output 3

RRBBR

Hints

Problem Source

113 學年度全國資訊學科能力競賽模擬賽

Subtasks

No. Testdata Range Constraints Score
1 0~2 範例測資 0
2 0~34 $n\le 7$ 12
3 0, 35~47 所有小鎮皆與兩條鐵路相鄰。 12
4 0~1, 35~70 $n=m$ 28
5 0~40, 48~60, 71~113 $n\le 2000,m\le 4000$ 16
6 0~148 無額外限制 32

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 3000 524288 65536 1 2 3 4 5 6
1 3000 524288 65536 1 2 4 5 6
2 3000 524288 65536 1 2 5 6
3 3000 524288 65536 2 5 6
4 3000 524288 65536 2 5 6
5 3000 524288 65536 2 5 6
6 3000 524288 65536 2 5 6
7 3000 524288 65536 2 5 6
8 3000 524288 65536 2 5 6
9 3000 524288 65536 2 5 6
10 3000 524288 65536 2 5 6
11 3000 524288 65536 2 5 6
12 3000 524288 65536 2 5 6
13 3000 524288 65536 2 5 6
14 3000 524288 65536 2 5 6
15 3000 524288 65536 2 5 6
16 3000 524288 65536 2 5 6
17 3000 524288 65536 2 5 6
18 3000 524288 65536 2 5 6
19 3000 524288 65536 2 5 6
20 3000 524288 65536 2 5 6
21 3000 524288 65536 2 5 6
22 3000 524288 65536 2 5 6
23 3000 524288 65536 2 5 6
24 3000 524288 65536 2 5 6
25 3000 524288 65536 2 5 6
26 3000 524288 65536 2 5 6
27 3000 524288 65536 2 5 6
28 3000 524288 65536 2 5 6
29 3000 524288 65536 2 5 6
30 3000 524288 65536 2 5 6
31 3000 524288 65536 2 5 6
32 3000 524288 65536 2 5 6
33 3000 524288 65536 2 5 6
34 3000 524288 65536 2 5 6
35 3000 524288 65536 3 4 5 6
36 3000 524288 65536 3 4 5 6
37 3000 524288 65536 3 4 5 6
38 3000 524288 65536 3 4 5 6
39 3000 524288 65536 3 4 5 6
40 3000 524288 65536 3 4 5 6
41 3000 524288 65536 3 4 6
42 3000 524288 65536 3 4 6
43 3000 524288 65536 3 4 6
44 3000 524288 65536 3 4 6
45 3000 524288 65536 3 4 6
46 3000 524288 65536 3 4 6
47 3000 524288 65536 3 4 6
48 3000 524288 65536 4 5 6
49 3000 524288 65536 4 5 6
50 3000 524288 65536 4 5 6
51 3000 524288 65536 4 5 6
52 3000 524288 65536 4 5 6
53 3000 524288 65536 4 5 6
54 3000 524288 65536 4 5 6
55 3000 524288 65536 4 5 6
56 3000 524288 65536 4 5 6
57 3000 524288 65536 4 5 6
58 3000 524288 65536 4 5 6
59 3000 524288 65536 4 5 6
60 3000 524288 65536 4 5 6
61 3000 524288 65536 4 6
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148 3000 524288 65536 6