add sub array with zero sum code solution

Author: ismaelsadeeq

Array/Python/ArrayPrefix/SubArrayWithZero/Readme.md

@@ -0,0 +1,21 @@
+def subArrayWithZero(arr):
+
+  prefixSum = arr[0]
+  prefixMap = {}
+  prefixMap[prefixSum] = 1
+
+  for i in range(1, len(arr)):
+    prefixSum +=arr[i]
+    if prefixMap.get(prefixSum) == 1:
+      return True
+    
+    if prefixSum == 0:
+      return True
+    
+    prefixMap[prefixSum] = 1
+  
+
+  return False
+
+arr = [-3, 2, 3, 1, 6]
+print(subArrayWithZero(arr))