1.6.c


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#include <stdio.h>

int main () {
	int c, i, nwhite, nother;
	int ndigit[10] = {0};
	nwhite = nother = 0;

	while ((c = getchar()) != EOF)
		if (c >= '0' && c <= '9')
			++ndigit[c-'0'];
		else if (c == ' ' || c == '\n' || c == '\t')
			++nwhite;
		else
			++nother;
	printf("digits =");
	for (i = 0; i < 10; ++i)
		printf(" %d", ndigit[i]);
	printf(". white space = %d, other = %d\n",
			nwhite, nother);
}