C Tutorial/printf scanf/printf hexadecimal
X: Unsigned integer in hexadecimal form, and the hexadecimal characters A, B, C, D, E, and F printed in uppercase.
#include <stdio.h>
main()
{
int i = 100;
printf(" %X\n",i);
}64
x:Unsigned integers in hexadecimal form, and the hexadecimal characters a, b, c, d, e, and f printed in lowercase.
#include <stdio.h>
main()
{
int i = 100;
printf(" %x\n",i);
}64
