def c1 (n,i):
minNI = min(i,n-1)
result = 1
for j in range (0,minNI):
result = result * (n-j)/(minNI-j)
return result
print ('更改前C(5,3)数值为:',c1(5,3))
print ('更改前C(100,97)数值为:',c1(100,97))
print ('更改前C(100,3)数值为:',c1(100,3))
#例如更改为//后C(5,2)的结果便不等于10
def c2 (n,i):
minNI = m
1