// format of InfoFile
// [# of result files]
// [nlines in res.file 1]   [file 1 name]
// ...
// [nlines in res.file n]   [file n name]


#include <iostream.h>
#include <fstream.h>
#include <stdlib.h>
#include <math.h>

// global variables

void panic (char*); 

main (int argc, char* argv[])
{ 
    if (argc != 2) panic ("bestia <Info file> "); 

    ifstream   InfoFile (argv[1]); 
    ofstream   OutFile;
    ifstream   InFile;  
    
    char * InName = new char[100]; 
    char * OutName = new char[100]; 
// reading run parameters from info file.

    int     nfiles; 
    InfoFile >> nfiles; 
   
    double alpha, efficiency, purity;
    int nn; 
    for (int  cnt1 = 0 ; cnt1 < nfiles ; cnt1++ ) 
    { 
        InfoFile >> nn >> InName; 
        sprintf (OutName, "%s.sqrt", InName); 
        InFile.open(InName); 
        OutFile.open(OutName); 
        int cnt = 0;  
        while (!InFile.eof()) {  
           if (cnt++ > nn) break; 
           InFile >> alpha >> efficiency >> purity; 
           if (alpha < 0.00001) continue; 
           OutFile << sqrt(nn*(1-alpha)) / alpha / nn << " " ; 
           OutFile << efficiency << " " << purity << endl;  
        } 
        InFile.close(); 
	OutFile.close();   
    }      
    return 1; 
}

void panic (char* str)
{
    cerr << str << endl; 
    exit (0); 
}