1 files changed, 17 insertions, 0 deletions
diff --git a/019.py b/019.py
new file mode 100644
index 0000000..187b45e
--- /dev/null
+++ b/019.py
@@ -0,0 +1,17 @@
+days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+
+day = 7  # first sunday in 1900
+count = 0
+
+for year in range(1900, 2001):
+	for month in range(1, 13):
+		if day == 1 and year >= 1901:
+			count += 1
+		if month == 2 and year % 4 == 0:
+			day -= 1
+		while(day <= days[month-1]):
+			day += 7
+		day -= days[month-1]
+
+print count
+