• 个人简介

    /*
      0. Enough array size? Enough array size? Enough array size? Integer overflow?
    
      1. Think TWICE, Code ONCE!
      Are there any counterexamples to your algo?
    
      2. Be careful about the BOUNDARIES!
      N=1? P=1? Something about 0?
    
      3. Do not make STUPID MISTAKES!
      Time complexity? Memory usage? Precision error?
    */
    
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    This person is lazy and didn't join any contests or homework.

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