// rows1.c -- uses nested loops
#include <stdio.h>

const int ROWS = 6;
const char CHARS = 10;

int main(void)
{
	int row;
	char ch;

	for (row = 0; row < ROWS; row++)
	{
		for (ch = 'A'; ch < ('A' + CHARS); ch++)
			printf("%c", ch);
		printf("\n");
	}
	return 0;
}