Hash-shashin
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Points:
1.50
Time limit:
1.0s
Memory limit:
512M
Problem type
Allowed languages
C, C++, Go, Java, Kotlin, Pascal, PyPy, Python, Rust, Scratch
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Sample Input 1
3
5 6
<<<>>
10 998244353
==<<<<<<<<
5 3
<>=<=
Sample Output 1
10???
001???????
impossible
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