Create the-number-of-full-rounds-you-have-played.py

Author: kamyu104

Python/the-number-of-full-rounds-you-have-played.py

@@ -0,0 +1,34 @@
+# Time:  O(1)
+# Space: O(1)
+
+class Solution(object):
+    def numberOfRounds(self, startTime, finishTime):
+        """
+        :type startTime: str
+        :type finishTime: str
+        :rtype: int
+        """
+        h1, m1 = map(int, startTime.split(":"))
+        h2, m2 = map(int, finishTime.split(":"))
+        start = h1*60+m1
+        finish = h2*60+m2
+        if start > finish:
+            finish += 1440
+        return max(finish//15-(start+15-1)//15, 0)
+
+
+# Time:  O(1)
+# Space: O(1)
+class Solution2(object):
+    def numberOfRounds(self, startTime, finishTime):
+        """
+        :type startTime: str
+        :type finishTime: str
+        :rtype: int
+        """
+        h1, m1 = map(int, startTime.split(":"))
+        h2, m2 = map(int, finishTime.split(":"))
+        if m1 > m2:
+            h2 -= 1
+            m2 += 60
+        return max((h2-h1)%24*4 + m2//15 - (m1+15-1)//15, 0)