func_code_string: #include<bits/stdc++.h>   using namespace std;   #define    ll    long long int   #define pi              2*acos(0.0)   #define gcd(a,b)        __gcd(a,b)   #define lcm(a,b)        (a*b)/gcd(a,b)   map<ll,ll>mp,mk;   //map<string,ll>mp;   set<ll> s1,s2;   vector<int> v,w;   string s=  ,qq=  ,ss=  ,pp=  ;   char ch;   ll m,n,i,j,l,r,x,t,y,u,g,h,mn,mx,d,z,c,f,e,k,o;   int main ()   {       cin>>t;       while(t--)       {           cin>>n>>k;           for(i=0; i<k-3; i++)               cout<< 1  ;           n=n-k+3;           c=n-2;           o=n/2;           if(n%2)               cout<<n/2<<   <<n/2<<   <<1;           else if(o%2==0)               cout<<n/2<<   <<o/2<<   <<o/2;           else if(o%2)               cout<<c/2<<   <<c/2<<   <<2;           cout<<  n ;       }   }   