3415 . Recovery

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User's AC Ratio

NaN% (0/0)

Submission's AC Ratio

NaN% (0/0)

Tags

NAIPC 2018

Description

The PDF version of this problem set can be downloaded here.

Input Format

Output Format

Sample Input 1

0110
1001


0
1


11
0110

Sample Output 1

1111
0111
1110
1111


-1


1011
1101

Hints

Problem Source

Migrated from old NTUJ.

NAIPC 2018

Subtasks

No. Testdata Range Score

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 1048576 131072
1 1000 1048576 131072
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