#include <stdio.h>#include <stdlib.h>#include <math.h>main(int argc, char **argv){	int *table;	int i, index, limit=4000, last=0;	long cumul=0, total=0;	double input;	double factor=1.0;	if (argc > 1)		factor = atof(argv[1]);	table = malloc(limit*sizeof(int));	bzero(table, limit*sizeof(int));	for (total=0; ; ++total) {		scanf("%lf", &input);		if (feof(stdin))			break;		index = (int) rint(input*factor);		if (index >= 4*limit) {			int oldlimit = limit;			limit = index/4 + 50;			table = realloc(table, limit*sizeof(int));			bzero(table+oldlimit, (limit-oldlimit)*sizeof(int));		}		++table[index/4];		if (index/4 > last)			last = index/4 +1;	}	for (i=0; i <= last; ++i) {		cumul += table[i];		printf("%d %8.6f\n", i, (double)cumul/(double)total);	}}