use size_t

Author: vladak

src/solutions/print-in-binary.c

@@ -22,7 +22,7 @@ main(int argc, char **argv)
 	assert(argc == 2);
 
 	char a[sizeof (int) * 8];
-	int i = 1, n = atoi(argv[1]);
+	size_t i = 1, n = atoi(argv[1]);
 
 	assert(n >= 0);
 	(void) memset(a, '0', sizeof (a));