prog.5.2.c

/* Program to calculate the 200th triangular number
   Introduction of the for statement                 */

#include <stdio.h>

int main (void)
{
	int n, triangularNumber;

	triangularNumber = 0;

	for ( n = 1; n <= 200; n = n + 1 )
		triangularNumber = triangularNumber + n;

	printf ("The 200th triangular number is %i\n", triangularNumber);

	return 0;
}