set terminal png font arial 8 size #600,300
set output 'prefix.png'
set grid
set title "Time required for each algorithm"
set xlabel "Size of array"
set ylabel "Time needed for calculation"
#set xrange [ 100000 : 100000000 ]
#set yrange [ 0.0000 : 0.75 ]
#set xtics 0,25,200
#set ytics 0,0.1,0.75
set datafile separator ";"
plot 'prefix.datapar.dat' using 1:2 notitle with points, \
	 'prefix.datapar.dat' using 1:2 title "datapar" with lines, \
	 'prefix.hillis.dat' using 1:2 notitle with points, \
	 'prefix.hillis.dat' using 1:2 title "hillis" with lines, \
	 'prefix.seq.dat' using 1:2 notitle with points, \
	 'prefix.seq.dat' using 1:2 title "seq" with lines, \
	 'prefix.recurse.dat' using 1:2 notitle with points, \
	 'prefix.recurse.dat' using 1:2 title "recurse" with lines