图a
图b
请回答下列问题。
(1)密码串为“ACDEFACDEEABDEFACDFF”,正确的子密码串为“ACDEF”,则有
(2)实现上述功能的Python程序如下,请在程序划线处填入合适的代码。
pwst=input("请输入密码串:")
pwsubst=input("请输入正确的子密码串:")
n=len(pwst)
p=len(pwsubst)
m=n//p
errinfo=[""]*m
cnt=0
for i in range(m):
j=0
flagp=0
info=""
while
if pwst[k]!=pwsubst[j]:
flagp+=1
info=info+""+str(j+1)
j+=1
k+=1
if flagp>0:
cnt+=1
print("共有",cnt,"段错误")
for i in range(cnt):
print(errinfo[i])
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2