Toggle navigation
Bulletin
Problems
Submissions
Contests
Discuss
About
Rank
Sign in
Sign up
×
Close
1306
已加強測資並 rejudge
2254 . D. 汽車不再繞圈圈
Submit
Status
Discussion / Solution
Ranklist
Back to Problems List
TopCoder
Caido
$\mathbb{W}\mathcal{aimai}\sim$
User's AC Ratio
94.6% (
70/74
)
Submission's AC Ratio
38.9% (
102
/
262
)
Tags
Show solution-related tags
全國賽
2021-全國賽
nhspc110
Description
題目 PDF 檔在這裡
Input Format
Output Format
Sample Input 1
copy
5 6
2 1 1
1 5 4
5 2 6
2 3 2
3 4 3
4 5 2
Sample Output 1
copy
2 2
1
4
Sample Input 2
copy
2 1
1 2 6
Sample Output 2
copy
0 0
Sample Input 3
copy
6 7
5 2 6
2 1 1
2 3 10
3 4 3
4 5 2
1 5 4
4 5 1
Sample Output 3
copy
2 3
2
5
7
Hints
Problem Source
110 學年度全國資訊學科能力競賽
測資來源:
TWPCA GitHub
Subtasks
No.
Testdata Range
Constraints
Score
1
0~2
範例測資。
0
2
3~14
$n, m \le 20$
6
3
15~26
$c_i \le 100$
8
4
27~38
無額外限制。
86
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
3
16
1000
1048576
65536
3
17
1000
1048576
65536
3
18
1000
1048576
65536
3
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
4
28
1000
1048576
65536
4
29
1000
1048576
65536
4
30
1000
1048576
65536
4
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
Submit
Back to Top