1 files changed, 13 insertions, 0 deletions
diff --git a/progs/a711.py b/progs/a711.py
new file mode 100644
index 0000000..860a306
--- /dev/null
+++ b/progs/a711.py
@@ -0,0 +1,13 @@
+def bin_coff(n, r): 
+	val = 1
+	if (r > (n - r)): 
+		r = (n - r) 
+	for i in range(0, r): 
+		val *= (n - i) 
+		val //= (i + 1) 
+	return val 
+def find_ways(M): 
+	n = M // 2
+	a = bin_coff(2 * n, n) 
+	b = a // (n + 1) 
+	return (b) 
+\ No newline at end of file