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  1. Prepare
  2. Mathematics
  3. Geometry
  4. Hard Homework
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Hard Homework

  • codedeepesh
     + 1 comment

    here is my o(n) code but still some test cases are failing

    using namespace std;
int main() {
    int n; 
    cin>>n;
    long double max=0;
    
    for( int x=1; x<n-1; x++)
        {
            if(n>=3)
            {
                
            
                long double f=2*sin(x)+sin(n-2*x);
                if(f>max) max=f;
                 else max;                                   
            }
        }
            
    
    cout.setf(ios::fixed);
    cout << setprecision(9) << max << endl;
    
    return 0;
}