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Printing floating-point numbers with floating-point conversion specifiers

#include <stdio.h> 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