fork download
copy 
  1. import math
  2.  
  3. def nCr(n,r):
  4.     f = math.factorial
  5.     return f(n) / f(r) / f(n-r)
  6.  
  7. a = list(map(int,input().split('\n')))
  8. print(a)
  9. for i in range(1,a[0]+1):
  10.     print(int(nCr((a[2*i-1]+a[2*i]),(a[2*i]-1))))
Runtime error #stdin #stdout #stderr 0.02s 27656KB
comments (?)
stdin
copy 
2
1
3
2
3
stdout
copy 
[2]
stderr
copy 
Traceback (most recent call last):
  File "./prog.py", line 10, in <module>
IndexError: list index out of range
https://ideone.com/FOjnd4
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!