(n, r)
| 5 | |
| 6 | #Function of printing nCr values |
| 7 | def printNcR(n, r): |
| 8 | p = 1 |
| 9 | k = 1 |
| 10 | if (n - r < r): |
| 11 | r = n - r |
| 12 | if (r != 0): |
| 13 | while (r): |
| 14 | p *= n |
| 15 | k *= r |
| 16 | m = gcd(p, k) |
| 17 | p //= m |
| 18 | k //= m |
| 19 | n -= 1 |
| 20 | r -= 1 |
| 21 | else: |
| 22 | p = 1 |
| 23 | return p |
| 24 | t=int(input()) |
| 25 | for tc in range(t): |
| 26 | n,k=map(int,input().split()) |