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Information

ID
4811
Time
500ms
Memory
125MiB
Difficulty
6
Tags
  • 动态规划,dp
  • 组合数学
  • 斯特林数,Stirling
  • 生成函数,GF
  • 快速傅里叶变换 FFT
  • 快速数论变换 NTT
# Submissions
0
Accepted
0
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