@[于子禾](/space/show?uid=5889) 暴力……
```cpp
#include<cstdio>
long long k,a,b,c,x,s;
int main(){
scanf("%lld",&k);
for(a=b=1,c=2;a+b<=k;a=b,b=c,c=a+b){
for(x=k-a;x>0&&x%b;x-=a);
if(x>0)
s+=x/a/b+(x%(a*b)?1:0);
}
printf("%lld",s%1000000007);
}
```
by iwprc @ 2017-11-27 20:07:49
@[殷跃然](/space/show?uid=41485) 嗯。谢谢谢谢!
by yzher @ 2017-11-27 20:10:17
@[殷跃然](/space/show?uid=41485) 尴尬的用1.5时卡死的我……
by yzher @ 2017-11-27 20:10:56
@[殷跃然](/space/show?uid=41485) 第二层循环那里不是很懂。s+=也不是很懂。
by Anguei @ 2017-11-27 21:30:06
@[yyfcpp](/space/show?uid=53062)
http://thisworld.site/index.php/archives/143/
by vani_prcups @ 2017-11-28 15:23:05
现在变蓝了...
by yangzehao @ 2018-08-30 20:22:51
这根本就不是蓝题的难度，给蓝太高了，给黄又低了，还不如评绿
by ztr_qwq @ 2022-12-14 08:33:41