prog.c: In function ‘main’:
prog.c:12:6: error: ‘students’ undeclared (first use in this function)
for (students=0; students <2 ; students++)
^~~~~~~~
prog.c:12:6: note: each undeclared identifier is reported only once for each function it appears in
prog.c:19:9: warning: too many arguments for format [-Wformat-extra-args]
printf( "Average \n",Sum);
^~~~~~~~~~~~
prog.c:20:9: warning: too many arguments for format [-Wformat-extra-args]
printf( "New Average \n",NewAvg);
^~~~~~~~~~~~~~~~
prog.c:10:12: warning: variable ‘Avg’ set but not used [-Wunused-but-set-variable]
float Sum, Avg, NewSum, NewAvg;
^~~