Stuff

#include <stdio.h>int main(void) { 	long long unsigned int sum = 0; 	long long unsigned int isum = 0; 	int a=0,b=0,c=0,d=0;	for(b=0;b<0x100;b++)		for(c=0;c<0x100;c++)			for(d=0;d<0x100;d++)				isum += printf("%d.%d.%d.%d\n", a,b,c,d);	sum += 10 * isum;	a = 10;	isum = 0;	for(b=0;b<0x100;b++)		for(c=0;c<0x100;c++)			for(d=0;d<0x100;d++)				isum += printf("%d.%d.%d.%d\n", a,b,c,d);	sum += 90 * isum;	a = 100;	isum = 0;	for(b=0;b<0x100;b++)		for(c=0;c<0x100;c++)			for(d=0;d<0x100;d++)				isum += printf("%d.%d.%d.%d\n", a,b,c,d);	sum += 156 * isum;	fprintf(stderr, "%llu\n", sum); 	return 0;}