#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#define BUFSIZE 160

int main()
{
	char	buf[BUFSIZE];
	double	y;
	int	i, col;

	srand(time(NULL));
	y = 1.0;

	for (i = 0; i < 1000; i++) {
		y = y * (0.9 + 0.2 * ((double)rand() / RAND_MAX));
		memset(buf, ' ', BUFSIZE);
		buf[40] = '|';
		col = y * 40.0;
		if (col < BUFSIZE) {
			buf[col] = '*';
		}
		printf("%.*s\n", BUFSIZE, buf);
	}
	return 0;
}