passes 27/98 cases

NeetCodeRoadmap/Stack/84_Largest_Rectangle_in_Histogram.py

@@ -0,0 +1,40 @@
+class Solution(object):
+    def largestRectangleArea(self, heights):
+        """
+        :type heights: List[int]
+        :rtype: int
+        """
+        rect = []
+        h = len(heights)
+
+        if len(heights) <= 2:
+            if len(heights) == 1:
+                return heights[0]
+            else:
+                if heights[0] == 0 or heights[1] == 0:
+                    return max(heights[0], heights[1])
+                low = min(heights[0], heights[1])
+                return low*2
+
+        for x in range(h):
+            count = 1
+            for y in range(x+1, h):
+                if heights[x] == min(heights):
+                    rect.append(heights[x]*len(heights))
+                elif heights[x] > heights[y]:
+                    # print(f'{heights[x]} * {count} = {heights[x]*count}')
+                    rect.append(heights[x]*count)
+                else:
+                    count += 1
+        
+        if rect:
+            return max(rect)
+        else:
+            return 0
+obj = Solution()
+# print(obj.largestRectangleArea([2,1,5,6,2,3])) # 10
+# print(obj.largestRectangleArea([2,4])) # 4
+# print(obj.largestRectangleArea([0,9])) # 9
+# print(obj.largestRectangleArea([0,0,0])) # 0
+# print(obj.largestRectangleArea([2,1,2])) # 3
+print(obj.largestRectangleArea([1,2,2]) # 4

NeetCodeRoadmap/Stack/tempCodeRunnerFile.py

@@ -1,2 +1,4 @@
-print(obj.carFleet(10,[3],[3])) # 1
-print(obj.carFleet(100,[0,2,4],[4,2,1])) # 1
+print(obj.largestRectangleArea([2,1,5,6,2,3])) # 10
+print(obj.largestRectangleArea([2,4])) # 4
+print(obj.largestRectangleArea([0,9])) # 9
+print(obj.largestRectangleArea([0,0,0])) # 9