Submission #2245425

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int n;

double A, B, s[100005];

int main(){
  
  cin>>n>>A>>B;
  
  double maxs = 0, mins = 1e9;
  
  for(int i=0;i<n;i++){
    cin>>s[i];
    maxs = max( maxs, s[i] );
    mins = min( mins, s[i] );
  }
  
  if( maxs == mins ){
    cout<<-1<<endl;
    return 0;
  }
  
  double P = B / ( maxs - mins ) ;
  
  double sum = 0;
  
  for(int i=0;i<n;i++) sum += s[i] * P;
  
  double Q = ( A * n - sum ) / n;
  
  printf("%.8f %.8f\n", P, Q);
  
  return 0;
}

Submission Info

Judge Result