2963 . Height Decreasing Surgery

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User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

Tags

NTU Preliminary NTU Preliminary 2018

Description

The PDF version of this problem can be downloaded here.

Input Format

Output Format

Sample Input 1

3
6 2
0 1
0 2
1 3
3 4
3 5
3 2
0 1
1 2
3 1
0 1
1 2

Sample Output 1

1
0
1

Hints

Problem Source

Migrated from old NTUJ.

Subtasks

No. Testdata Range Score

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 65536 131072
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