C Programming

Answer: EXERCISE C6


	#include <stdio.h>

	main() 
	{
		int  n = 1, t_number = 0;

		for( ; n <= 200; n++ )
			t_number = t_number + n;

		printf("The 200th triangular_number is %d\n", t_number);
	}


Answer: CLASS EXERCISE C7


	a == 2		equality test
	a = 2		assignment


Answer: CLASS EXERCISE C8
The inclusion of the 2 in the %d statements achieves a field width of two places, and prints a leading 0 where the value is less than 10.


Answer: EXERCISE C9


	#include <stdio.h>

	main() 
	{
		int  n = 1, t_number = 0, input;

		printf("Enter a number\n");
		scanf("%d", &input);
		for( ; n <= input; n++ )
			t_number = t_number + n;

		printf("The triangular_number of %d is %d\n", input, t_number);
	}

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