add 0209-minimum-size-subarray-sum.py

Author: Dhyan-P-Shetty

python/0209-minimum-size-subarray-sum.py

@@ -0,0 +1,17 @@
+class Solution:
+    def minSubArrayLen(self, target: int, nums: List[int]) -> int:
+        res = float('inf')
+        l, total = 0, 0
+
+        for r in range(len(nums)):
+            total += nums[r]
+            while total >= target:
+                res = min(res, r - l + 1)
+                total -= nums[l]
+                l += 1
+        return res if res != float('inf') else 0
+
+        
+
+
+