1 files changed, 9 insertions, 0 deletions
diff --git a/progs/a488.py b/progs/a488.py
new file mode 100644
index 0000000..c5865d6
--- /dev/null
+++ b/progs/a488.py
@@ -0,0 +1,9 @@
+def find_length(string, n): 
+	current_sum = 0
+	max_sum = 0
+	for i in range(n): 
+		current_sum += (1 if string[i] == '0' else -1) 
+		if current_sum < 0: 
+			current_sum = 0
+		max_sum = max(current_sum, max_sum) 
+	return max_sum if max_sum else 0
+\ No newline at end of file