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  1. f=lambda m,n,k:(k==0)+sum(f(m,n-1,k-t)for t in range(m*(n>0<k)))
  2.  
  3. for m,n,k in (1,0,0), (2,5,6), (3,5,6), (4,5,-1), (10,10,10):
  4. print(f(m,n,k))
Success #stdin #stdout 1.78s 9984KB
stdin
Standard input is empty
stdout
1
0
45
0
92368