gd=input("请输入地面高度,以空格间隔开:")
h=list(map(int,gd.split( ))) #将字符串转换为列表,例如"1 0 2",转换为[1,0,2]
cnt=0
f=False
for i in range(1,len(h)):
if①___________:
f=True
elif h[i-1]< h[i] and f:
cnt+=1
②___________
print("该地面有",cnt,"处低洼地。")
上述代码中划线处应填入的代码是( )
A.h[i]>h[i+1] ②f=False | B.Oh[i]>h[i+1] ②f=True | C.①h[i-1]>h[i] ②f=False | D.①h[i-1]>h[i] ②f=True |
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