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Information

ID
14668
Time
500ms
Memory
512MiB
Difficulty
7
Tags
  • 动态规划 DP
  • 洛谷原创
  • O2优化
  • 素数判断,质数,筛法
  • 最大公约数 gcd
  • 基环树
  • 洛谷月赛
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0
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