gauss4.java
Gauss$B$N>C5nK!$rMQ$$$FO"N)J}Dx<0$N2r$r5a$a$k!#(J
$B%"%W%l%C%H%t%!!<%8%g%s(J


by Haruo Satou
special thanks Katsurada teacher
gauss3.java$B$G2x$7$+$C$?7W;;$r$7$J$*$7$F(J $B<+J,$NG$7$^$7$?!#(J