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NTUCPC Speed Run! #1
比賽已結束,感謝大家的參與!
題目連結
IOICamp 2025 PreExam 進行中!
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程式解題社網站
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441 . 興建道路
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TopCoder
Caido
主唱太拼命了
User's AC Ratio
90.0% (
18/20
)
Submission's AC Ratio
50.9% (
29
/
57
)
Tags
Show solution-related tags
ytp
ytp-senior
ytp-2024
Description
題目 PDF 檔在這裡
Input Format
Output Format
Sample Input 1
copy
4 6
4 1 4
1 2 6
4 2 3
4 3 1
2 3 5
3 1 5
Sample Output 1
copy
8
10
8
8
10
9
Sample Input 2
copy
2 1
2 1 48763
Sample Output 2
copy
48763
Sample Input 3
copy
6 15
1 3 10
5 3 5
1 6 9
4 2 1
6 2 8
1 2 9
1 5 10
3 2 7
6 4 7
1 4 2
6 5 7
3 6 1
2 5 8
4 3 7
4 5 2
Sample Output 3
copy
16
11
15
11
14
18
19
13
13
11
13
11
17
13
11
Hints
Problem Source
YTP 2024 高中組初賽 p8
Subtasks
No.
Testdata Range
Constraints
Score
1
0~2
範例測資
0
2
0~7
$M \leq N + 20$
2
3
0~2, 8~13
$N \leq 2000$
2
4
0~2, 8~19
$N \leq 50000$
6
5
0~25
無額外限制
10
Testdata and Limits
No.
Time Limit (ms)
Memory Limit (VSS, KiB)
Output Limit (KiB)
Subtasks
0
2500
1048576
65536
1
2
3
4
5
1
2500
1048576
65536
1
2
3
4
5
2
2500
1048576
65536
1
2
3
4
5
3
2500
1048576
65536
2
5
4
2500
1048576
65536
2
5
5
2500
1048576
65536
2
5
6
2500
1048576
65536
2
5
7
2500
1048576
65536
2
5
8
2500
1048576
65536
3
4
5
9
2500
1048576
65536
3
4
5
10
2500
1048576
65536
3
4
5
11
2500
1048576
65536
3
4
5
12
2500
1048576
65536
3
4
5
13
2500
1048576
65536
3
4
5
14
2500
1048576
65536
4
5
15
2500
1048576
65536
4
5
16
2500
1048576
65536
4
5
17
2500
1048576
65536
4
5
18
2500
1048576
65536
4
5
19
2500
1048576
65536
4
5
20
2500
1048576
65536
5
21
2500
1048576
65536
5
22
2500
1048576
65536
5
23
2500
1048576
65536
5
24
2500
1048576
65536
5
25
2500
1048576
65536
5
Submit
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