main()
{
int a,b;
float c,d;
a = 15;
b = a / 2;

printf("%d\n",b);
printf("%3d\n",b);
printf("%03d\n",b);
c = 15.3;
d = c / 3;
printf("%3.2f\n",d);
}

7
   7
007
5.10

#include

main()
{
	int Fahrenheit;

	for (Fahrenheit = 0; Fahrenheit <= 300; Fahrenheit = Fahrenheit + 20)
		printf("%3d %06.3f\n", Fahrenheit, (5.0/9.0)*(Fahrenheit-32));
}

  0 -17.778
 20 -6.667
 40 04.444
 60 15.556
 80 26.667
100 37.778
120 48.889
140 60.000
160 71.111
180 82.222
200 93.333
220 104.444
240 115.556
260 126.667
280 137.778
300 148.889

	#include

	main()
	{
		printf("The color: %s\n", "blue");
		printf("First number: %d\n", 12345);
		printf("Second number: %04d\n", 25);
		printf("Third number: %i\n", 1234);
		printf("Float number: %3.2f\n", 3.14159);
		printf("Hexadecimal: %x\n", 255);
		printf("Octal: %o\n", 255);
		printf("Unsigned value: %u\n", 150);
		printf("Just print the percentage sign %%\n", 10);
	}

The color: blue
First number: 12345
Second number: 0025
Third number: 1234
Float number: 3.14
Hexadecimal: ff
Octal: 377
Unsigned value: 150
Just print the percentage sign %

#include

	main()
	{
		printf(":%s:\n", "Hello, world!");
		printf(":%15s:\n", "Hello, world!");
		printf(":%.10s:\n", "Hello, world!");
		printf(":%-10s:\n", "Hello, world!");
		printf(":%-15s:\n", "Hello, world!");
		printf(":%.15s:\n", "Hello, world!");
		printf(":%15.10s:\n", "Hello, world!");
		printf(":%-15.10s:\n", "Hello, world!");
	}

:Hello, world!:
:  Hello, world!:
:Hello, wor:
:Hello, world!:
:Hello, world!  :
:Hello, world!:
:     Hello, wor:
:Hello, wor     :