Add problem-145

problem-145.c

@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <locale.h>
+
+
+#define MAX_NUM 1000000000
+
+
+int reverse(int num)
+{
+	int rem, sum = 0;
+
+	while (num > 0) {
+		rem = num % 10;
+		sum = (sum * 10) + rem;
+		num /= 10;
+	}
+
+	return sum;
+}
+
+
+int is_reversible(int num)
+{
+	int rev, rem, total;
+
+	if (!(num % 10))
+		return 0;
+
+	rev = reverse(num);
+	total = num + rev;
+
+	while (total > 0) {
+		rem = total % 10;
+		if (!(rem % 2))
+			return 0;
+
+		total /= 10;
+	}
+
+	return 1;
+}
+
+int main(int argc, char** argv)
+{
+	int i, count = 0;
+
+	for(i=1; i<MAX_NUM; i+=2)
+		if (is_reversible(i))
+			count++;
+
+	setlocale(LC_NUMERIC, "");
+	printf("There are %'d reversible numbers less than %'d\n", count*2, MAX_NUM);
+	return 0;
+}