The American University in Cairo CSEA End of Winter Break Contest 2023
2 problems from The American University in Cairo CSEA End of Winter Break Contest 2023 (contest 104168), difficulty -. 2/2 solutions verified against sample I/O.
The American University in Cairo CSEA End of Winter Break Contest 2023
Special | 2 problems | 2/2 verified | Difficulty - | 2m
| # | Problem | Rating | Tags | Accepted | Time | ✓ |
|---|---|---|---|---|---|---|
| A | Divisor Difference | 1m 2s | ✓ | |||
| F | Proofy and the cat | 58s | ✓ |
Practice
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Codeforces Solutions
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The American University in Cairo CSEA End of Winter Break Contest 2023
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CF 104168A - Divisor Difference
We are given a positive integer $n$, and we consider all factor pairs $(x, y)$ such that $x cdot y = n$ with both $x$ and $y$ positive integers.
Practice
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Codeforces Solutions
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The American University in Cairo CSEA End of Winter Break Contest 2023
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CF 104168F - Proofy and the cat
We are given a rooted tree where each vertex carries a positive value and each edge carries a positive weight. The root is fixed at node 1, and every other node has exactly one parent.