35 . stack 練習

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Tags

Algo Algo25_a c c25_b

Description



Input Format

$n$ is in the range of int

Output Format

Sample Input 1

5
1 2
1 3
2
2
2

Sample Output 1

3
2
empty!

Hints

Problem Source

NEOJ Problem 36

Subtasks

No. Testdata Range Constraints Score
1 0 100

Testdata and Limits

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