Problems
| Problem |
|---|
| A 透支 （overdraft） 1000ms 256MiB Submit |
| B 新店 （new） 1000ms 256MiB Submit |
| C 优惠券 （coupon） 1000ms 256MiB Submit |
| D 活动（act） 1000ms 256MiB Submit |
Submissions
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Contest Clarifications
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