string sum(string s1,string s2)
{
if(s1.length()<s2.length())
{
string temp=s1;
s1=s2;
s2=temp;
}
int i,j;
for(i=s1.length()-1,j=s2.length()-1;i>=0;i--,j--)
{
s1[i]=char(s1[i]+(j>=0?s2[j]-'0':0)); //注意细节
if(s1[i]-'0'>=10)
{
s1[i]=char((s1[i]-'0')%10+'0');
if(i) s1[i-1]++;
else s1='1'+s1;
}
}
return s1;
}
#include <iostream>
#include <string>
#include <cstdio>
using namespace std;
string sum(string s1,string s2)
{
f(s1.length()<s2.length())
{
string temp=s1;
s1=s2;
s2=temp;
}
int i,j;
for(i=s1.length()-1,j=s2.length()-1;i>=0;i--,j--)
{
s1[i]=char(s1[i]+(j>=0?s2[j]-'0':0)); //注意细节
if(s1[i]-'0'>=10)
{
s1[i]=char((s1[i]-'0')%10+'0');
if(i) s1[i-1]++;
else s1='1'+s1;
}
}
return s1;
}
int main()
{
int n,T;
scanf("%d",&T);
while(T--)
{
string s;cin>>s;
if(s.size()==1)
{
printf("1\n");continue;
}
else if(s.size()==2)
{
printf("2\n");continue;
}
string ans,a="1",b="2";
for(int i=3;i<=s.size();i++)
{
ans=sum(a,b);
a=b;
b=ans;
}
cout<<b<<endl;
}
return 0;
}
参考链接：https://blog.csdn.net/y990041769/article/details/19545179