- [yLOI2019] 青原樱
晶石后人
- 2025-6-11 17:07:45 @
十年oi一场空
不开long long见祖宗
十年oi一场空
unsigned long long 结果有负数见祖宗
此题一定要开long long
简单的组合数学
递推式
不放代码 自己做去吧
祝ac
不要像我一样long long卡两天
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Information
- ID
- 4490
- Time
- 1000ms
- Memory
- 256MiB
- Difficulty
- 3
- Tags
- # Submissions
- 7
- Accepted
- 2
- Uploaded By