计算机代考程序代写 1 – cscodehelp代写

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def cascade(n): if n < 10: print(n) else: print(n) cascade(n//10) print(n) cascade(123) 4 def cascade(n): if n < 10: print(n) else: print(n) cascade(n//10) print(n) cascade(123) 4 def cascade(n): if n < 10: print(n) else: print(n) cascade(n//10) print(n) cascade(123) Global frame cascade → func cascade(n)[parent=Global] f1: cascade[parent=Global] n 123 Return value None f2: cascade[parent=Global] n 12 Return value None f3: cascade[parent=Global] n1 Return value None Print output: 123 12 1 12 123 5 def cascade(n): if n < 10: print(n) else: print(n) cascade(n//10) print(n) def cascade(n): print(n) if n >= 10: cascade(n//10)
print(n)
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1 12 123 12 1
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def inverse_cascade(n): grow(n)
print(n)
shrink(n)
grow = lambda n: f_then_g( shrink = lambda n: f_then_g(
)
)
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def inverse_cascade(n): grow(n)
print(n)
shrink(n)
def f_then_g(f, g, n): if n:
f(n) g(n)
grow = lambda n: f_then_g( shrink = lambda n: f_then_g(
)
)
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def inverse_cascade(n): grow(n)
print(n)
shrink(n)
def f_then_g(f, g, n): if n:
f(n) g(n)
grow = lambda n: f_then_g(grow, print, n//10) shrink = lambda n: f_then_g( )
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def inverse_cascade(n): grow(n)
print(n)
shrink(n)
def f_then_g(f, g, n): if n:
f(n) g(n)
grow = lambda n: f_then_g(grow, print, n//10) shrink = lambda n: f_then_g(print, shrink, n//10)
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def virfib(n):
“””Compute the nth Virahanka-Fibonacci number, for N >= 1. >>> virfib(2)
1
>>> virfib(6)
8
“””
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def virfib(n):
“””Compute the nth Virahanka-Fibonacci number, for N >= 1. >>> virfib(2)
1
>>> virfib(6)
8
“””
if n == 0:
return 0 elif n == 1: return 1
else:
return virfib(n-2) + virfib(n-1)
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n mn
m
count_partitions(6, 4)
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n mn
count_partitions(6, 4)
m

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n mn
m
count_partitions(6, 4)

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n mn
count_partitions(6, 4)
m

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n mn
count_partitions(6, 4)
m

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n mn
m
count_partitions(6, 4) count_partitions(2, 4)
count_partitions(6, 3)
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n mn
m
count_partitions(6, 4)
count_partitions(2, 4)
count_partitions(n-m, m)
count_partitions(6, 3)
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n mn
m
count_partitions(6, 4)
count_partitions(2, 4)
count_partitions(n-m, m)
count_partitions(6, 3)
count_partitions(n, m-1)
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n mn
m
count_partitions(6, 4)
m
count_partitions(2, 4)
count_partitions(n-m, m)
m
count_partitions(6, 3)
count_partitions(n, m-1)
def count_partitions(n, m): “””
>>> count_partitions(6, 4)

9 “””
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n mn
m
count_partitions(6, 4)
m
count_partitions(2, 4)
count_partitions(n-m, m)
m
count_partitions(6, 3)
count_partitions(n, m-1)
def count_partitions(n, m): “””
>>> count_partitions(6, 4)

9 “””
else:
with_m = count_partitions(n-m, m) without_m = count_partitions(n, m-1) return with_m + without_m
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n mn
m
count_partitions(6, 4)
m
count_partitions(2, 4)
count_partitions(n-m, m)
m
count_partitions(6, 3)
count_partitions(n, m-1)
def count_partitions(n, m): “””
>>> count_partitions(6, 4)

9
“””
if n == 0:
return 1 elif n < 0: return 0 elif m == 0: return 0 else: with_m = count_partitions(n-m, m) without_m = count_partitions(n, m-1) return with_m + without_m 18 < Prev > Next
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