尝试压缩

#include<bits/stdc++.h>
#define writen by Neo
using namespace std;int p,f[1005],l[1005],s[1005];int main(){cin>>p;cout<<(int)(log10(2)*p+1);l[1]=1;f[1]=2;while(p!=0){if(p%2==1){memset(s,0,sizeof(s));for(int i=1;i<=500;i++){for(int j=1;j<=500;j++){s[i+j-1]+=l[i]*f[j];}}for(int i=1;i<=500;i++){s[i+1]+=s[i]/10;s[i]%=10;}memcpy(l,s,sizeof(l));}p/=2;memset(s,0,sizeof(s));for(int i=1;i<=500;i++){for(int j=1;j<=500;j++){s[i+j-1]+=f[i]*f[j];}}for(int i=1;i<=500;i++){s[i+1]+=s[i]/10;s[i]%=10;}memcpy(f,s,sizeof(f));}l[1]-=1;for(int i=500;i>=1;i--){if(i%50==0)cout<<"\n";cout<<l[i];}}
/*
\(*\_/*)/
*/

QOQ