1 solutions

  • 0
    @ 2023-9-30 13:46:10
    #include<bits/stdc++.h>
    using namespace std;
    const double PI=3.14159;
    double r;
    int main()
    {
         cin>>r;
         printf("%.4f %.4f %.4f",r*2.0,2.0*PI*r,PI*r*r*1.0);
         return 0;
    }
    
    • 1

    Information

    ID
    6720
    Time
    1000ms
    Memory
    128MiB
    Difficulty
    7
    Tags
    (None)
    # Submissions
    474
    Accepted
    115
    Uploaded By