301,381

1 files changed, 16 insertions, 0 deletions

diff --git a/euler301.c b/euler301.c
new file mode 100644
index 0000000..2f05108
--- /dev/null
+++ b/euler301.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <stdint.h>
+
+int main()
+{
+	uint64_t n = 0, n2 = 0, n3 = 0;
+	int count = 0;
+
+	for (n = 1; n <= (1<<30); n++) {
+		n2 = n * 2;
+		n3 = n * 3;
+		if ((n^n2^n3) == 0)
+			count++;
+	}
+	printf("%d\n", count);
+}