#include
int main()
{
printf( "%e\n", 1234567.89 );
printf( "%e\n", +1234567.89 );
printf( "%e\n", -1234567.89 );
printf( "%E\n", 1234567.89 );
printf( "%f\n", 1234567.89 );
printf( "%g\n", 1234567.89 );
printf( "%G\n", 1234567.89 );
return 0;
}
1.234568e+06
1.234568e+06
-1.234568e+06
1.234568E+06
1234567.890000
1.23457e+06
1.23457E+06