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#include <bits/stdc++.h>
#define rep(i,a,b) for (int i=a; i<b; i++)
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define debug printf
using namespace std;
typedef long long ll;
typedef long double ld;
 
const int MX = (int)1e5 + 5;
 
map < int, int > skala;
int reskala[MX];
 
int main ()
{
	int n, k;
	scanf("%d%d", &n, &k);
	for(int i = 1; i <= k; ++i)
	{
		int t;
		for(int j = 1; j <= t; ++j)
		{
			int a;
			scanf("%d", &a);
			V[i].pb(a);
			S.pb(a);
		}
	}
	sort(all(S));
	for(int i = 0; i < N; ++i)
	{
		skala[S[i]] = i;
		reskala[i] = S[i];
	}
	for(int i = 1; i <= k; ++i)
		for(auto &v : V[i])
			v = skala[v];
	vector < PII > ans;
	for(int i = 1; i < k; ++i)
	{
		while(V[i].size())
		{
			ans.pb({i, k});
			V[k].pb(V[i].back());
			V[i].pop_back();
		}
	}
	p10[0] = 1;
	for(int i = 1; i < 10; ++i)
		p10[i] = 10 * p10[i - 1];
	for(int cyf = 4; cyf >= 0; --cyf)
	{
		while(V[k].size())
		{
			int gdzie = 1 + ((V[k].back() / p10[cyf]) % 10);
			ans.pb({k, gdzie});
			V[gdzie].pb(V[k].back());
			V[k].pop_back();
		}
		for(int
	}
 
}

prog.cpp: In function ‘int main()’:
prog.cpp:28:4: error: ‘V’ was not declared in this scope
    V[i].pb(a);
    ^
prog.cpp:29:4: error: ‘S’ was not declared in this scope
    S.pb(a);
    ^
prog.cpp:32:11: error: ‘S’ was not declared in this scope
  sort(all(S));
           ^
prog.cpp:32:7: error: ‘all’ was not declared in this scope
  sort(all(S));
       ^~~
prog.cpp:32:7: note: suggested alternative: ‘ll’
  sort(all(S));
       ^~~
       ll
prog.cpp:33:21: error: ‘N’ was not declared in this scope
  for(int i = 0; i < N; ++i)
                     ^
prog.cpp:39:17: error: ‘V’ was not declared in this scope
   for(auto &v : V[i])
                 ^
prog.cpp:41:11: error: ‘PII’ was not declared in this scope
  vector < PII > ans;
           ^~~
prog.cpp:41:15: error: template argument 1 is invalid
  vector < PII > ans;
               ^
prog.cpp:41:15: error: template argument 2 is invalid
prog.cpp:44:9: error: ‘V’ was not declared in this scope
   while(V[i].size())
         ^
prog.cpp:3:12: error: request for member ‘push_back’ in ‘ans’, which is of non-class type ‘int’
 #define pb push_back
            ^~~~~~~~~
prog.cpp:46:8: note: in expansion of macro ‘pb’
    ans.pb({i, k});
        ^~
prog.cpp:51:2: error: ‘p10’ was not declared in this scope
  p10[0] = 1;
  ^~~
prog.cpp:56:9: error: ‘V’ was not declared in this scope
   while(V[k].size())
         ^
prog.cpp:3:12: error: request for member ‘push_back’ in ‘ans’, which is of non-class type ‘int’
 #define pb push_back
            ^~~~~~~~~
prog.cpp:59:8: note: in expansion of macro ‘pb’
    ans.pb({k, gdzie});
        ^~
prog.cpp:64:2: error: expected unqualified-id before ‘}’ token
  }
  ^
prog.cpp:63:10: error: expected ‘;’ before ‘}’ token
   for(int
          ^
          ;
  }
  ~        
prog.cpp:64:2: error: expected primary-expression before ‘}’ token
  }
  ^
prog.cpp:63:10: error: expected ‘;’ before ‘}’ token
   for(int
          ^
          ;
  }
  ~        
prog.cpp:64:2: error: expected primary-expression before ‘}’ token
  }
  ^
prog.cpp:63:10: error: expected ‘)’ before ‘}’ token
   for(int
      ~   ^
          )
  }
  ~        
prog.cpp:64:2: error: expected primary-expression before ‘}’ token
  }
  ^
prog.cpp:20:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &k);
  ~~~~~^~~~~~~~~~~~~~~~
prog.cpp:27:9: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &a);
    ~~~~~^~~~~~~~~~

Standard output is empty