solutions/The C Programming Language/1.13.c

#include <stdio.h>

#define MAX_AMOUNT_OF_LENGTHS 256

main()
{
	int c, i, j;
	int current_length, max_length;
	int nlengths[MAX_AMOUNT_OF_LENGTHS];

	for (i = 0; i < MAX_AMOUNT_OF_LENGTHS; ++i)
		nlengths[i] = 0;
	
	current_length = max_length = 0;
	while ((c = getchar()) != '\n')
	{
		if (c == '\n' || c == ' ' || c == '\t')
		{
			++nlengths[current_length];
			if (current_length > max_length)
				max_length = current_length;
			current_length = 0;
		}
		else
		{
			++current_length;
		}
	}

	++nlengths[current_length];
	if (current_length > max_length)
		max_length = current_length;

	printf("horizonal:\n");
	for (i = 1; i < MAX_AMOUNT_OF_LENGTHS; ++i)
	{
		int counter = nlengths[i];
		if (counter > 0)
		{
			printf("%d: ", i);
			while (counter > 0)
			{
				--counter;
				printf("*");
			}
			printf("\n");
		}
	}

	printf("\n\nvertical:\n");
	for (j = max_length; j > 0; --j)
	{
		for (i = 1; i < MAX_AMOUNT_OF_LENGTHS; ++i)
		{
			if (nlengths[i] > 0)
			{
				if (nlengths[i] >= j)
					printf("*");
				else
					printf(" ");
			}
		}
		printf("\n");
	}
	for (i = 1; i < MAX_AMOUNT_OF_LENGTHS; ++i)
	{
		if (nlengths[i] > 0)
			printf("%d", i);
	}
	printf("\n");
}