2301 . 社交能量

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TopCoder

Caido
Waimai∼

User's AC Ratio

89.3% (50/56)

Submission's AC Ratio

48.5% (64/132)

Tags

NPSC 2022-NPSC

Description

題目 PDF 檔在這裡

Input Format

Output Format

Sample Input 1

3
1 2
2 3
3 4

Sample Output 1

0

Sample Input 2

3
1 6
2 5
3 4

Sample Output 2

5

Sample Input 3

4
334 7122
1 1000000
1 1000000
1 1000000

Sample Output 3

3020361

Hints

Problem Source

2022 網際網路程式設計全國大賽
高中組初賽

Subtasks

No. Testdata Range Constraints Score
1 0~2 範例測資 0
2 0~67 無額外限制 100

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 1048576 65536 1 2
1 1000 1048576 65536 1 2
2 1000 1048576 65536 1 2
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
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67 1000 1048576 65536 2
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