int i = 10;

printf("%d\n",i);

printf("%04d\n",i);

printf("%+d\n",i);

printf("%X\n", i);

printf("%x\n", i);

printf("%#X\n",i);

printf("%02X\n",i);

printf("%o\n",i);

      double d = 1.4142;

      printf("%4.2lf\n",d);

      printf("%E\n",d);

      printf("%e\n",d);