Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define ld long double
#define REP(i,a,b) for(i=a;i<b;i++)
#define rep(i,a) REP(i,0,a)
#define REV(i,a,b) for(i=a;i>b;i--)
#define rev(s) reverse(s.begin(),s.end())
#define pb push_back
#define mp make_pair
#define ord(v) sort(v.begin(),v.end());
const ll MAXN=1e5+10;
#define MAX 2*1e9;
#define fi first
#define se second
#define len(s) s.length();
ll con(string s)
{
	stringstream geek(s);
	ll x;
	geek>>x;
	return x;
}
int main()
// {
// 	#ifndef ONLINE_JUDGE
// 	freopen("input.txt","r",stdin);
// 	freopen("output.txt","w",stdout);
// 	#endif
	ll n,k,i,j,x,y;
	

	cin>>n>>k;
	ll d[k];
	ll a[n+1];
	rep(i,n)
	a[i]=0;
	rep(i,k)
	{
		cin>>y;
		// cout<<y<<endl;
		rep(j,y)
		{
			cin>>x;
			// cout<<x<<endl;
			a[x]=a[x]+1;
		}
	}
	rep(i,n+1)
	{
		// cout<<a[i]<<endl;
	}
	ll count=0;
	REP(i,1,n+1)
	{
		if(a[i]==0)
			count++;
	}
	cout<<count<<endl;
	
	return 0;
}

Compiler output:
a.cc:3:12: error: expected initializer before 'long'
    3 | #define ll long long int
      |            ^~~~
a.cc:30:9: note: in expansion of macro 'll'
   30 |         ll n,k,i,j,x,y;
      |         ^~
a.cc:33:9: error: 'cin' does not name a type
   33 |         cin>>n>>k;
      |         ^~~
a.cc:34:14: error: 'k' was not declared in this scope
   34 |         ll d[k];
      |              ^
a.cc:35:14: error: 'n' was not declared in this scope; did you mean 'yn'?
   35 |         ll a[n+1];
      |              ^
      |              yn
a.cc:5:20: error: expected unqualified-id before 'for'
    5 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                    ^~~
a.cc:6:18: note: in expansion of macro 'REP'
    6 | #define rep(i,a) REP(i,0,a)
      |                  ^~~
a.cc:36:9: note: in expansion of macro 'rep'
   36 |         rep(i,n)
      |         ^~~
a.cc:36:13: error: 'i' does not name a type; did you mean 'fi'?
   36 |         rep(i,n)
      |             ^
a.cc:5:28: note: in definition of macro 'REP'
    5 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                            ^
a.cc:36:9: note: in expansion of macro 'rep'
   36 |         rep(i,n)
      |         ^~~
a.cc:36:13: error: 'i' does not name a type; did you mean 'fi'?
   36 |         rep(i,n)
      |             ^
a.cc:5:32: note: in definition of macro 'REP'
    5 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                                ^
a.cc:36:9: note: in expansion of macro 'rep'
   36 |         rep(i,n)
      |         ^~~
a.cc:5:20: error: expected unqualified-id before 'for'
    5 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                    ^~~
a.cc:6:18: note: in expansion of macro 'REP'
    6 | #define rep(i,a) REP(i,0,a)
      |                  ^~~
a.cc:38:9: note: in expansion of macro 'rep'
   38 |         rep(i,k)
      |         ^~~
a.cc:38:13: error: 'i' does not name a type; did you mean 'fi'?
   38 |         rep(i,k)
      |             ^
a.cc:5:28: note: in definition of macro 'REP'
    5 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                            ^
a.cc:38:9: note: in expansion of macro 'rep'
   38 |         rep(i,k)
      |         ^~~
a.cc:38:13: error: 'i' does not name a type; did you mean 'fi'?
   38 |         rep(i,k)
      |             ^
a.cc:5:32: note: in definition of macro 'REP'
    5 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                                ^
a.cc:38:9: note: in expansion of macro 'rep'
   38 |         rep(i,k)
      |         ^~~
a.cc:5:20: error: expected unqualified-id before 'for'
    5 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                    ^~~
a.cc:6:18: note: in expansion of macro 'REP'
    6 | #define rep(i,a) REP(i,0,a)
      |                  ^~~
a.cc:49:9: note: in expansion of macro 'rep'
   49 |         rep(i,n+1)
      |         ^~~
a.cc:49:13: error: 'i' does not name a type; did you mean 'fi'?
   49 |         rep(i,n+1)
      |             ^
a.cc:5:28: note: in definition of macro 'REP'
    5 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                            ^
a.cc:49:9: note: in expansion of macro 'rep'
   49 |         rep(i,n+1)
      |         ^~~
a.cc:49:13: error: 'i' does not name a type; did you mean 'fi'?
   49 |         rep(i,n+1)
      |             ^
a.cc:5:32: note: in definition of macro 'REP'
    5 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                                ^
a.cc:49:9: note: in expansion of macro 'rep'
   49 |         rep(i,n+1)
      |         ^~~
a.cc:5:20: error: expected unqualified-id before 'for'
    5 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                    ^~~
a.cc:54:9: note: in expansion of macro 'REP'
   54 |         REP(i,1,n+1)
      |         ^~~
a.cc:54:13: error: 'i' does not name a type; did you mean 'fi'?
   54 |         REP(i,1,n+1)
      |             ^
a.cc:5:28: note: in definition of macro 'REP'
    5 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                            ^
a.cc:54:13: error: 'i' does not name a type; did you mean 'fi'?
   54 |         REP(i,1,n+1)
      |             ^
a.cc:5:32: note: in definition of macro 'REP'
    5 | #define REP(i,a,b) for(i=a;i<b;i++)
      |                                ^
a.cc:59:9: error: 'cout' does not name a type
   59 |         cout<<count<<endl;
      |         ^~~~
a.cc:61:9: error: expected unqualified-id before 'return'
   61 |         return 0;
      |         ^~~~~~
a.cc:62:1: error: expected declaration before '}' token
   62 | }
      | ^