Problems
| Problem |
|---|
| A 计算（calculate） 1000ms 256MiB Submit |
| B 圆柱（cylinder） 1000ms 256MiB Submit |
| C 异或月饼（xor） 1000ms 256MiB Submit |
| D 按摩（massage） 1000ms 256MiB Submit |
Submissions
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Contest Clarifications
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