#include <bits/stdc++.h> using namespace std; int main(){ double a,b; cin>>a>>b; double c=1/a+1/b; printf("%.2f",1/c); return 0; }

2 comments

  • @ 2024-5-9 19:26:05

    徐老师久违的良心了一回

    🤡 1
    • @ 2024-4-21 9:44:48

      #include <bits/stdc++.h> using namespace std; int main(){ double a,b; cin>>a>>b; double c=1/a+1/b; printf("%.2f",1/c); return 0; }

      🤡 2
      👍 1
      • 1

      Information

      ID
      444
      Time
      1000ms
      Memory
      256MiB
      Difficulty
      4
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