Photolog

Through the Looking-Glass
2010-10-12: Through the Looking-Glass
My radio speaks is binary!
2010-10-10: My radio speaks is binary!
Gigaminx: (present for my birthday)
2010-09-16: Gigaminx: (present for my birthday)
Trini on bike
2010-09-05: Trini on bike
Valporquero
2010-08-28: Valporquero
My new bike!
2010-08-22: My new bike!
Mario and Ana's wedding
2010-08-13: Mario and Ana's wedding
Canyoning in Guara
2010-08-07: Canyoning in Guara
Trini and Mari in Marbella
2010-08-05: Trini and Mari in Marbella
Trini and Chelo in Tabarca
2010-08-03: Trini and Chelo in Tabarca
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Skew Binary

575.c

/* Skew Binary */
#include <stdio.h>

int
main(void) {
	char buf[1024];
	int len;
	int i;

	while(1) {
		int num=0;
		scanf("%s", buf);
		len = strlen(buf);
		for(i=0; i<len; i++) {
			num += (buf[len-i-1]-'0')*((1<<(i+1))-1);
		}
		if (num==0) {
			break;
		} else {
			printf("%d\n", num);
		}
	}
	exit(0);
}