1 files changed, 18 insertions, 0 deletions
diff --git a/progs/a544.py b/progs/a544.py
new file mode 100644
index 0000000..aaa2438
--- /dev/null
+++ b/progs/a544.py
@@ -0,0 +1,18 @@
+def common_prefix_util(str1, str2): 
+	result = ""; 
+	n1 = len(str1) 
+	n2 = len(str2) 
+	i = 0
+	j = 0
+	while i <= n1 - 1 and j <= n2 - 1: 
+		if (str1[i] != str2[j]): 
+			break
+		result += str1[i] 
+		i += 1
+		j += 1
+	return (result) 
+def common_prefix (arr, n): 
+	prefix = arr[0] 
+	for i in range (1, n): 
+		prefix = common_prefix_util(prefix, arr[i]) 
+	return (prefix) 
+\ No newline at end of file