func_code_string: #include<bits/stdc++.h>   #define maxn 1000005   #define inf 9999999999999999   #define mod 100003   typedef long long LL;   using namespace std;   LL a[maxn];   int main()   {       ios::sync_with_stdio(false);       //freopen( bwxnQAQin.txt , r ,stdin);       LL T;       cin>>T;       while(T--)       {           LL n;           cin>>n;           if(n&1)           {               LL zong=n-1,fuyi=zong/2;               for(LL i=zong;i>=1;i--)               {                   for(LL j=1;j<=i-fuyi;j++)cout<< 1  ;                   for(LL j=1;j<=fuyi;j++)cout<< -1  ;                   if(fuyi)fuyi--;               }               cout<<endl;           }           else           {               LL zong=n-1,ban=zong/2;               for(LL i=1;i<=zong;i++)               {                   for(LL j=i;j<=zong;j++)                   {                       if(j<i+ban)cout<< 1  ;                       else if(j==i+ban)cout<< 0  ;                       else cout<< -1  ;                   }               }               cout<<endl;           }       }       return 0;   }   