super蒟蒻 @ 2018-10-28 11:42:36
i=int(input());
a=1;
b=1;
c=1;
x=3;
mod=1000000009;
while x<=i+1:
c=a+b;
a=b;
b=c;
x=x+1;
if i==0:
print(0);
else:
print(c);
by Fraction @ 2018-10-28 11:56:11
恩
by yzhang @ 2018-10-28 11:56:25
下一个
by lyclyc_NSP @ 2018-10-28 11:57:31
@lbyoi 惊现lby大佬!您会py?