criyle/codenet-compile-errors huggingface dataset:
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ull unsigned long long
#define mp make_pair
#define ll long long
#define pb push_back

void solve()
{
  long long a,b,c,d;
  cin>>a>>b>>c>>d;
  
  long long ans = a*c;
  ans = max(ans, b*c);
  ans = max(ans, b*d);
  ans = max(ans, a*d);
  
  cout<<ans<<endl;
    
}

int main()
{
    int t = 1;
    //cin>>t;
    
    while(t--)
    {
        solve()
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:16: error: expected ';' before '}' token
   29 |         solve()
      |                ^
      |                ;
   30 |     }
      |     ~
Language: C++

/**
 *    author:  morato
 *    created: 13.09.2020 09:01:10
**/
#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int64_t a, b, c, d;
  cin >> a >> b >> c >> d;
  cout << max(a * c, b * d, a * d, c * b) << '\n';
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:14: error: no matching function for call to 'max(int64_t, int64_t, int64_t, int64_t)'
   14 |   cout << max(a * c, b * d, a * d, c * b) << '\n';
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:5:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 4 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 4 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 4 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   candidate expects 2 arguments, 4 provided
Language: C++

#include <bits/stdc++.h>
#include <atcoder/all>
#define ll long long
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
#define repi(i, a, b) for (ll i = (ll)(a); i < (ll)(b); i++)
#define repm(i, a, b) for (ll i = (ll)(a); i > (ll)(b); i--)
#define all(v) v.begin(), v.end()
#define rall(x) (x).rbegin(), (x).rend()
#define pll pair<long long, long long>
#define pb emplace_back
#define mp make_pair
#define mt make_tuple
#define vc vector<char>
#define vvc vector<vc>
using namespace std;
using vi = vector<int>;
using vvi = vector<vi>;
using vll = vector<long long>;
using vvll = vector<vll>;
using vb = vector<bool>;
using vvb = vector<vb>;
template <class T>bool chmax(T &a, const T &b){if (a < b){a = b;return 1;}return 0;}
template <class T>bool chmin(T &a, const T &b){if (b < a){a = b;return 1;}return 0;}
//snippets:tmp,cl,cvl,cs,co,coy,con,cov,setp


int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  ll a;
  cin >> a;
  ll b;
  cin >> b;
  ll c;
  cin >> c;
  ll d;
  cin >> d;
  cout<<max({a*c,a*d,b*c,b*d})<<endl;
}


Compiler output:
a.cc:2:10: fatal error: atcoder/all: No such file or directory
    2 | #include <atcoder/all>
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define Mid ((l+r)/2)
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
#define drep(i,a,b) for(int i=(a);i>=(b);--i)
#define file(a) freopen(#a".in","r",stdin),freopen(#a".out","w",stdout);
const int maxn=1e5+5,mod=1e9+7,inf=1e9+7;
int n,m,Q,K,T;
int read(){
    int x=0,f=1;char c=getchar();
    while(c<'0'||c>'9'){if(c=='-')f=-1;c=getchar();}
    while(c>='0'&&c<='9'){x=x*10+c-'0';c=getchar();}
    return x*f;
}

signed main(){
    //file(a);
    int a=read(),b=read(),c=read(),d=read();
    int ans=-inf;
    ans=max(ans,max(a*c,max(a*d,max(b*c,b*d))));
    cout<<ans<<endl;



    return 0;
}


Compiler output:
main.c:1:9: fatal error: bits/stdc++.h: No such file or directory
    1 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
  long long a, b, c, d; cin >> a >> b >> c >> d;
  long long sub = max(a*c, max(a*d, max(b*c, b*d)));
  if (a * b <= 0 || c * d <= 0) sub = max(sub, 0);
  cout << sub;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:42: error: no matching function for call to 'max(long long int&, int)'
    7 |   if (a * b <= 0 || c * d <= 0) sub = max(sub, 0);
      |                                       ~~~^~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:7:42: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
    7 |   if (a * b <= 0 || c * d <= 0) sub = max(sub, 0);
      |                                       ~~~^~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:7:42: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
    7 |   if (a * b <= 0 || c * d <= 0) sub = max(sub, 0);
      |                                       ~~~^~~~~~~~
Language: C++

#include <bits/stdc++.h>
#define ll long long
using namespace std;
typedef pair<int, int> P;
typedef pair<ll, ll> LP;

//定数
//円周率
const double pi = 3.141592653589793238462643383279;
//天井
const int INF = 1000000000; // = 10^9
const ll LINF = 100000000000000000; // = 10^17
//ABC文字列
const string ABC = "ABCDEFGHIJKLMNOPQRSTUVWXYZABC";
const string abc = "abcdefghijklmnopqrstuvwxyzabc";
//よくあるmodくん
const ll MOD = 1000000007; // = 10^9 + 7
//前処理テーブルの大きさ指定
const int MAX = 1200000; // = 10^6 + 2*(10^5)
//ちなみに、1024MBで持てる最大長の配列は10^8程度

//データ構造
//隣接リスト用構造体（有向グラフ向け）
struct edge {
  ll to; // E.toでその辺の終点へアクセスできる。
  ll cost; // e.costでその辺の重みにアクセスできる。
};
//Union_Find木
struct UnionFind {
  vector<int> UF; // UF.at(i) : iの親の番号
  vector<int> SIZE; // SIZE.at(root(i)) : iと連結されてる要素の数
  UnionFind(int N) : UF(N), SIZE(N, 1) { // 最初は全てが根であるとして初期化
    for(int i = 0; i < N; i++) {
      UF.at(i) = i;
    }
  }
  int root(int x) { // データxが属する木の根を再帰で得る：root(x) = {xの木の根}
    if (UF.at(x) == x) {
      return x;
    }
    return UF.at(x) = root(UF.at(x));
  }
  void unite(int x, int y) { // xとyの木を併合
    int rx = root(x); // xの根をrx
    int ry = root(y); // yの根をry
    if (rx == ry) {
      return; // xとyの根が同じ(=同じ木にある)時はそのまま
    }
    // xとyの根が同じでない(=同じ木にない)時：小さい方の根を大きい方の根につける。
    if (SIZE.at(rx) < SIZE.at(ry)) {
      UF.at(rx) = ry;
      SIZE.at(ry) += SIZE.at(rx);
      SIZE.at(rx) = 0;
    }
    else {
      UF.at(ry) = rx;
      SIZE.at(rx) += SIZE.at(ry);
      SIZE.at(ry) = 0;
    }
  }
  bool same(int x, int y) { // 2つのデータx, yが属する木が同じならtrueを返す。
    int rx = root(x);
    int ry = root(y);
    return rx == ry;
  }
  int size(int x) { // xと連結されてる要素の数を返す。
    return SIZE.at(root(x));
  }
};

//関数 (計算量)
//ctoi (O(1))
int ctoi(char c){
  if (c == '0') return 0;
  if (c == '1') return 1;
  if (c == '2') return 2;
  if (c == '3') return 3;
  if (c == '4') return 4;
  if (c == '5') return 5; 
  if (c == '6') return 6;
  if (c == '7') return 7;
  if (c == '8') return 8;
  if (c == '9') return 9;
  return -1;  
}
//to_char (O(1))
char to_char(int i){
  if (i == 0) return '0';
  if (i == 1) return '1';
  if (i == 2) return '2';
  if (i == 3) return '3';
  if (i == 4) return '4';
  if (i == 5) return '5';
  if (i == 6) return '6';
  if (i == 7) return '7';
  if (i == 8) return '8'; 
  if (i == 9) return '9';
  return ' ';  
}

//メイン処理
int main() {
  cout << fixed << setprecision(16); //精度向上
  //ここまでテンプレ
  ll A, B, C, D;
  cin >> A >> B >> C >> D;
  ll ans = -LINF;
  ans = max(ans, A * C);
  asn = max(ans, A * D);
  ans = max(ans, B * C);
  ans = max(ans, B * D);
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:109:3: error: 'asn' was not declared in this scope; did you mean 'ans'?
  109 |   asn = max(ans, A * D);
      |   ^~~
      |   ans
Language: C

#include <bits/stdc++.h>
#define INT long long int
#define N 3
#define PA pair<INT, INT>
#define oo 9876543219876543
#define MOD 1000000007
using namespace std;
INT T, n, m, k, x, y, z, a[500050], b[500040], c[500050], ans, Z, Y, dt[300030][2];
set<INT> u, d;
string s, t;

int main()
{
    ios::sync_with_stdio(false);
    T = 1; //cin>>T;
    while( T-- )
    {
        cin>>n>>m>>x>>y;
        cout<<max(n*x, max(n*y, max(m*x, m*y)));

    }
    return 0;
}


Compiler output:
main.c:1:10: fatal error: bits/stdc++.h: No such file or directory
    1 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define ll           long long
#define all(v)       (v).begin() , (v).end()
#define vi           vector <ll>
#define vii          vector <pair<ll,ll>>
#define ii           pair<ll,ll>
#define sz(v)	     ((int)((v).size()))
#define lp(i,a,b)    for(int i=a;i<b;i++)
#define pb           push_back
#define pf           push_front
#define F            first
#define S            second
#define endl         "\n"
#define IOS          ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
const double PI = 3.14159265358979323846;
const ll inf=1e18,MOD=1e8+7,MAX=1e3+5;


int main() {
#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    IOS
    int a[4];
    lp(i,0,4)
        cin>>a[i];
    ll res=-1e18;
    lp(i,0,2){
        lp(j,2,4){
            res=max(res,a[i]*a[j]);
        }
    }
    cout<<res;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:20: error: no matching function for call to 'max(long long int&, int)'
   32 |             res=max(res,a[i]*a[j]);
      |                 ~~~^~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:32:20: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   32 |             res=max(res,a[i]*a[j]);
      |                 ~~~^~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:32:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   32 |             res=max(res,a[i]*a[j]);
      |                 ~~~^~~~~~~~~~~~~~~
Language: C++

#include <iostream>
#include <cstdint>
#include <cstdio>
#include <algorithm>
#include <cmath>
#include <vector>
#include <list>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <cctype>
#include <cassert>
#include <climits>
#include <string>
#include <bitset>
#include <cfloat>
#include <unordered_set>
#pragma GCC optimize("Ofast")
using namespace std;
typedef long double ld;
typedef long long int ll;
typedef unsigned long long int ull;
typedef vector<int> vi;
typedef vector<char> vc;
typedef vector<bool> vb;
typedef vector<double> vd;
typedef vector<string> vs;
typedef vector<ll> vll;
typedef vector<pair<int, int>> vpii;
typedef vector<vector<int>> vvi;
typedef vector<vector<char>> vvc;
typedef vector<vector<string>> vvs;
typedef vector<vector<ll>> vvll;

#define rep(i, n) for (ll i = 0; i < (n); ++i)
#define rrep(i, n) for (ll i = 1; i <= (n); ++i)
#define irep(it, stl) for (auto it = stl.begin(); it != stl.end(); it++)
#define drep(i, n) for (ll i = (n)-1; i >= 0; --i)
#define mes(a) cout << (a) << endl
#define dmes(a, b) cout << (a) << " " << (b) << endl
#define re0 return 0
#define mp(p, q) make_pair(p, q)
#define pb(n) push_back(n)
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define Sort(a) sort(a.begin(), a.end())
#define rSort(a) sort(a.rbegin(), a.rend())
#define Rev(a) reverse(a.begin(), a.end())
#define MATHPI acos(-1)
#define itn int
int dx[8] = {1, 0, -1, 0, 1, -1, -1, 1};
int dy[8] = {0, 1, 0, -1, 1, 1, -1, -1};
template <class T>
inline bool chmax(T &a, T b)
{
    if (a < b)
    {
        a = b;
        return 1;
    }
    return 0;
}
template <class T>
inline bool chmin(T &a, T b)
{
    if (a > b)
    {
        a = b;
        return 1;
    }
    return 0;
}
struct io
{
    io()
    {
        ios::sync_with_stdio(false);
        cin.tie(0);
    }
};
const int INF = INT_MAX;
const ll LLINF = 1LL << 60;
const ll MOD = 1000000007;
const double EPS = 1e-19;

signed main() {
    ll a, b, c, d;
    cin >> a >> b >> c >> d;
    
   
    mes(max(max(a*c, a*d), max(b*c, b*d));
}
    
    
    
    
    

Compiler output:
a.cc:98:5: error: unterminated argument list invoking macro "mes"
   98 | 
      |     ^
a.cc: In function 'int main()':
a.cc:92:5: error: 'mes' was not declared in this scope
   92 |     mes(max(max(a*c, a*d), max(b*c, b*d));
      |     ^~~
a.cc:92:8: error: expected '}' at end of input
   92 |     mes(max(max(a*c, a*d), max(b*c, b*d));
      |        ^
a.cc:87:15: note: to match this '{'
   87 | signed main() {
      |               ^
Language: C++

#include <algorithm>
#include <bitset>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>

#define isNum(a) (a >= '0' && a <= '9')
#define SP putchar(' ')
#define EL putchar('\n')
#define File(a) freopen(a ".in", "r", stdin), freopen(a ".out", "w", stdout)

template <class T> void read(T &);
template <class T> void write(const T &);

typedef long long ll;
typedef unsigned long long ull;
typedef const long long &cll;
typedef const int &ci;
typedef std::pair<int, int> pii;
const int iinf = 2147483647;
const ll llinf = 9223372036854775807ll;
using std::abs;
using std::max;
using std::min;

int main() {
  ll a, b, c, d;
  read(a), read(b), read(c), read(d);
  write(max(a * c, a * d), max(b * c, b * d)), EL;
  return 0;
}

template <class T> inline void read(T &Re) {
  T k = 0;
  char ch = getchar();
  int flag = 1;
  while (!isNum(ch)) {
    if (ch == '-') {
      flag = -1;
    }
    ch = getchar();
  }
  while (isNum(ch)) {
    k = (k << 1) + (k << 3) + ch - '0';
    ch = getchar();
  }
  Re = flag * k;
}
template <class T> inline void write(const T &Wr) {
  if (Wr < 0) {
    putchar('-');
    write(-Wr);
  } else {
    if (Wr < 10) {
      putchar(Wr + '0');
    } else {
      write(Wr / 10);
      putchar((Wr % 10) + '0');
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:39:8: error: no matching function for call to 'write(const long long int&, const long long int&)'
   39 |   write(max(a * c, a * d), max(b * c, b * d)), EL;
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:23:25: note: candidate: 'template<class T> void write(const T&)'
   23 | template <class T> void write(const T &);
      |                         ^~~~~
a.cc:23:25: note:   candidate expects 1 argument, 2 provided
Language: C++

#include "bits/stdc++.h"
#include "ext/pb_ds/assoc_container.hpp"
#include "ext/pb_ds/tree_policy.hpp"

using namespace std;
using namespace __gnu_pbds;


#define ll long long int
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define all(a) a.begin(),a.end()

typedef tree <ll, null_type, less <ll>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
// order_of_key(val): returns the number of values less than val
// find_by_order(k): returns an iterator to the kth largest element (0-based)

int main(void)
{
	ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    ll a, b, c, d;
    cin >> a >> b >> c >> d;
    ll ans = max({a*c, a*d, b*c, b*d});
    cout << ans << "\n";.
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:25: error: expected primary-expression before '.' token
   27 |     cout << ans << "\n";.
      |                         ^
a.cc:28:1: error: expected unqualified-id before '}' token
   28 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define R cin>>
#define ll long long
#define ln cout<<'\n'
#define in(a) insert(a)
#define pb(a) push_back(a)
#define pd(a) printf("%.10f\n",a)
#define mem(a) memset(a,0,sizeof(a))
#define all(c) (c).begin(),(c).end()
#define iter(c) __typeof((c).begin())
#define rrep(i,n) for(ll i=(ll)(n)-1;i>=0;i--)
#define REP(i,m,n) for(ll i=(ll)(m);i<(ll)(n);i++)
#define rep(i,n) REP(i,0,n)
#define tr(it,c) for(iter(c) it=(c).begin();it!=(c).end();it++)
ll check(ll n,ll m,ll x,ll y){return x>=0&&x<n&&y>=0&&y<m;}void pr(){ln;}
template<class A,class...B>void pr(const A &a,const B&...b){cout<<a<<(sizeof...(b)?" ":"");pr(b...);}
template<class A>void PR(A a,ll n){rep(i,n)cout<<(i?" ":"")<<a[i];ln;}
const ll MAX=1e9+7,MAXL=1LL<<61,dx[8]={-1,0,1,0,-1,-1,1,1},dy[8]={0,1,0,-1,-1,1,1,-1};
typedef pair<ll,ll> P;

void Main() {
  ll a,b,c,d,;
  cin >> a >> b >> c >> d;
  ll ans=max({a*c,a*d,b*c,b*d});
  pr(ans);
}

int main(){ios::sync_with_stdio(0);cin.tie(0);Main();return 0;}


Compiler output:
a.cc: In function 'void Main()':
a.cc:25:14: error: expected unqualified-id before ';' token
   25 |   ll a,b,c,d,;
      |              ^
Language: C++

#include <iostream>
using namespace std;
const int mod=1e9+7;
int n;
long long base1=8,base2=9,base3=10;
void mut(long long &base)
{
    long long k=base;
    for(int i=1;i<n;i++)base=(base*k)%mod;
}
int main(void)
{
    cin>>n;
    mut(base1);
    mut(base2);
    mut(base3);
    ans=base1+base3-2*base2;
    ans%=mod;
    ans=(ans+mod)%mod;
    cout<<ans<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   17 |     ans=base1+base3-2*base2;
      |     ^~~
      |     abs
Language: C++

#include <iostream>

using namespace std;

typedef unsigned long long int ull;
typedef long long int ll;

constexpr ll MOD = 1000000007;

ll powmod(ll a, ll p)
{
	a %= MOD;

	ll result = 1;
	while(p) 
	{
		if(p&1)
			result = (result * a) % MOD;

		a = (a * a) % MOD;
		p >>= 1;
	}
	return result;
}

void solve()
{
	ll n; cin >> n;

	if(n < 2)
		cout << 0 << '\n';
	
	ll total = powmod(10, n);
	ll r = powmod(8, n);
	ll pr = powmod(9, n);

	ll ans = total - pr - pr + r;
	ans %= MOD;
	ans = (ans + MOD) % MOD;
	cout << ans << '\n';
}

int main()
{
#ifndef ONLINE_JUDGE
   freopen("input.txt", "rt", stdin);
   freopen("output.txt", "wt", stdout);
#endif

   	ios_base::sync_with_stdio(false);
	cin.tie(0);
	solve();
	return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:53:18: error: expected '}' at end of input
   53 |         return 0;
      |                  ^
a.cc:44:1: note: to match this '{'
   44 | {
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main(){
  long long n;
  cin >> n ;
 
  cout << (pow(10,n)-pow(8,n))%(pow(10,9)+7) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:31: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and '__gnu_cxx::__promote<double>::__type' {aka 'double'} to binary 'operator%'
    8 |   cout << (pow(10,n)-pow(8,n))%(pow(10,9)+7) << endl;
      |           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
      |                     |                    |
      |                     |                    __gnu_cxx::__promote<double>::__type {aka double}
      |                     __gnu_cxx::__promote<double>::__type {aka double}
Language: C++

#include <iostream>
#include <cstdlib>
#include <algorithm>

const long M = 1000000007

int pow_mod(int x, long expo) {
	long c = 1;
	for (int i = 0; i < expo; i++) {
		c = (c * x) % M;
	}

	return c;
}


int main() {
	long n;
	long long all, exclude, ans;

	std::cin >> n;
	all = pow_mod(10, n) % M
	exclude = (((2 * (pow_mod(9, n) % M)) % M) - (pow_mod(8, n) % M)) % M
	ans = (all - exclude) % M

	std::cout << ans << "\n";

	return 0;
}

Compiler output:
a.cc:7:1: error: expected ',' or ';' before 'int'
    7 | int pow_mod(int x, long expo) {
      | ^~~
a.cc: In function 'int main()':
a.cc:22:15: error: 'pow_mod' was not declared in this scope
   22 |         all = pow_mod(10, n) % M
      |               ^~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(ll i=0; i<n; i++)
#define eb(t) emplace_back(t)
typedef long long ll;
typedef long long unsigned int llu;
ll INF = 1000000009;
ll MOD = 1000000007;

/*
10^n - 8^n
*/

ll pow(ll x, ll y){
    //xのy乗をMODで割った余り
    ll tmp=1;
    rep(i,y){
        tmp = (tmp * x)%MOD;
    }
    return tmp;
}

void solve(){

    ll n;
    cin >> n;
    cout << (pow(10,n) + MOD - pow(8,n))%MOD << endl;

}

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  solve();
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:27:41: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and 'll' {aka 'long long int'} to binary 'operator%'
   27 |     cout << (pow(10,n) + MOD - pow(8,n))%MOD << endl;
      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
      |                              |           |
      |                              |           ll {aka long long int}
      |                              __gnu_cxx::__promote<double>::__type {aka double}
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const ll MOD = 1e9+7;

ll powmod(ll x, ll n){
  ll ret = 1;

  for (ll i=0; i<n; i++){
    ret = ret * x % MOD;
  }

  return ret;
}

int main(void){
  ll n, ans;
  cin >> n;

  ans = powmod(10,n);
  ans -= powmod(9,n);
  ans -= powmod(9,n);
  ans += powmod(8,n);
  ans %= MOD;
  ans = (ans+MOD)%MOD

  cout << ret;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:22: error: expected ';' before 'cout'
   26 |   ans = (ans+MOD)%MOD
      |                      ^
      |                      ;
   27 | 
   28 |   cout << ret;
      |   ~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
long long n,x,y,z;
int main()
{
	cin >> n;
	for (i=1; i<=n; i++)
	x=(10*n)%1000000007;
	
	for (i=1; i<=n; i++)
	y=(9*n)%1000000007;
	
	for (i=1; i<=n; i++)
	z=(8*n)%1000000007;
	
	cout<<(x-2y+z)%1000000007;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:14: error: 'i' was not declared in this scope
    7 |         for (i=1; i<=n; i++)
      |              ^
a.cc:10:14: error: 'i' was not declared in this scope
   10 |         for (i=1; i<=n; i++)
      |              ^
a.cc:13:14: error: 'i' was not declared in this scope
   13 |         for (i=1; i<=n; i++)
      |              ^
a.cc:16:18: error: unable to find numeric literal operator 'operator""y'
   16 |         cout<<(x-2y+z)%1000000007;
      |                  ^~
Language: C++

#include<bits/stdc++.h>
#define MOD 1e9+7
using namespace std;
long long int fun(long long int a,long long int n)
{ long long int res=1;
  while(n)  
  { if(n%2==1)
   { res=(res*a) % MOD;
     n--; }
  a=(a*a) % MOD;
   n/=2;
  }
 return res;
}
int main()
{long long int N;
  cin>>N;
 long long int X=fun(10,N)-fun(9,N)-fun(9,N)+fun(8,N);
 cout<<X;
}


Compiler output:
a.cc: In function 'long long int fun(long long int, long long int)':
a.cc:8:18: error: invalid operands of types 'long long int' and 'double' to binary 'operator%'
    8 |    { res=(res*a) % MOD;
      |          ~~~~~~~ ^
      |              |
      |              long long int
a.cc:10:11: error: invalid operands of types 'long long int' and 'double' to binary 'operator%'
   10 |   a=(a*a) % MOD;
      |     ~~~~~ ^
      |       |
      |       long long int
Language: C++

#include<bits/stdc++.h>
#define MOD 1e9+7
using namespace std;
long long int fun(int a,long long int n)
{ long long int res=1;
  while(n)  
  { if(n%2==1)
   { res=(res*a)%MOD;
     n--; }
  a=(a*a)%MOD;
   n/=2;
  }
 return res;
}
int main()
{long long int N;
  cin>>N;
 long long int X=fun(10,N)-fun(9,N)-fun(9,N)+fun(8,N);
 cout<<X;
}

Compiler output:
a.cc: In function 'long long int fun(int, long long int)':
a.cc:8:17: error: invalid operands of types 'long long int' and 'double' to binary 'operator%'
    8 |    { res=(res*a)%MOD;
      |          ~~~~~~~^
      |              |
      |              long long int
a.cc:10:10: error: invalid operands of types 'int' and 'double' to binary 'operator%'
   10 |   a=(a*a)%MOD;
      |     ~~~~~^
      |       |
      |       int
Language: C++


#include<iostream>
#define rep(i,n) for(int i=0;i<n;i++)
const ll mod=1000000007;
using namespace std;

typedef long long ll;

ll powmod(ll x,ll y){
    ll res=1;
    for(ll i=0;i<y;i++){
        res=res*x%mod;
    }
    return res;
}

int main()
{
    ll n;
    cin>>n;
    ll ans=powmod(10,n)-powmod(9,n)-powmod(9,n)+powmod(8,n);
    ans%=mod;
    ans=(ans+mod)%mod;
    cout<<ans<<"\n";


    return 0;
}

Compiler output:
a.cc:4:7: error: 'll' does not name a type
    4 | const ll mod=1000000007;
      |       ^~
a.cc: In function 'll powmod(ll, ll)':
a.cc:12:19: error: 'mod' was not declared in this scope
   12 |         res=res*x%mod;
      |                   ^~~
a.cc: In function 'int main()':
a.cc:22:10: error: 'mod' was not declared in this scope
   22 |     ans%=mod;
      |          ^~~
Language: C++

#include<cstdio>
#include<cstring>
#include<iostream>
#include<algorithm>
using namespace std;
typedef long long ll;
const ll mod = 1e9+7;
ll pow(ll x, ll y)
{
	ll res = 1;
	while(y)
	{
		if(y&1)	
			res = res*x%mod;
		x = x*x%mod;
		y=y>>1;
	}
	return res;
}
int main()
{
	ll n;
	cin>>n;
	pow(10ll,n)-2*pow(9ll,n)+pow(8ll,n);
	cout<<((pow(10ll,n)-2*pow(9ll,n)+pow(8ll,n))%mod+mod)%mod;<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:67: error: expected primary-expression before '<<' token
   25 |         cout<<((pow(10ll,n)-2*pow(9ll,n)+pow(8ll,n))%mod+mod)%mod;<<endl;
      |                                                                   ^~
Language: C++


#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long LL;
const LL MO=1e9+7;
 
LL qmi(LL a,LL b) {
    LL res=1;
    while(b) {
        if (b&1) {
            res=res*a%MO;
        }
        a=a*a%MO;
        b>>=1;
    }
    return res;
}
 
int main() {
    LL n;
    cin>>n;
 
    cout<<((qmi(10ll,n)-2*qmi(9ll,n)+qmi(8ll,n))%MO+MO)%MO<<"\n";
 
    return 0;


Compiler output:
a.cc: In function 'int main()':
a.cc:27:14: error: expected '}' at end of input
   27 |     return 0;
      |              ^
a.cc:21:12: note: to match this '{'
   21 | int main() {
      |            ^
Language: Java

import java.util.*;
public class Ubiquity {

	public static void main(String[] args) {
		Scanner sc=new Scanner(System.in);
		long n=sc.nextLong();
		int m=1000000007;
		System.out.println(fastexpo(10,n,m)-fastexpo(9,n,m)-fastexpo(9,n,m)+fastexpo(8,n,m));
	}
	
	static long fastexpo(long x,long y,long modulus){
		if(y==0) return 1;
		if(y==1) return x;
		long R=fastexpo(x,y/2,modulus);
		if(y%2==0) return ((R%modulus)*(R%modulus))%modulus;
		else return ((R%modulus)*(R%modulus)*(x%modulus))%modulus;
	}

}


Compiler output:
Main.java:2: error: class Ubiquity is public, should be declared in a file named Ubiquity.java
public class Ubiquity {
       ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define double long double
#define int long long 
#define f(z) for(int i=1;i<=z;i++)
#define REP(i,a,b) for(int i=a;i<=b;i++)
#define vi vector<int>
#define pb push_back
#define si set<int>
int cl(int n ,int m) { if(n%m)return n/m + 1 ;else return n/m ;}
int pw(int a,int b,int M){a%=M;int r=1;while(b>0){if(b&1)r=r*a%M;a=a*a%M;b>>=1;}return r;}
#define mod  1000000007
#define T() int TT; cin>>TT; while(TT--)
#define P pair<int,int>
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define pr(r) cout <<"Case #"<<r <<": " ;
 
const int N = 1e5 + 9 ;

signed main(){
	int n;
	cin >> n ;
	int t = (pw(10,n) -pw(9,n)*2 + pw(8,n) ) %mod ;
	cout << (t+mod)%mod << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:20: error: too few arguments to function 'long long int pw(long long int, long long int, long long int)'
   23 |         int t = (pw(10,n) -pw(9,n)*2 + pw(8,n) ) %mod ;
      |                  ~~^~~~~~
a.cc:11:5: note: declared here
   11 | int pw(int a,int b,int M){a%=M;int r=1;while(b>0){if(b&1)r=r*a%M;a=a*a%M;b>>=1;}return r;}
      |     ^~
a.cc:23:30: error: too few arguments to function 'long long int pw(long long int, long long int, long long int)'
   23 |         int t = (pw(10,n) -pw(9,n)*2 + pw(8,n) ) %mod ;
      |                            ~~^~~~~
a.cc:11:5: note: declared here
   11 | int pw(int a,int b,int M){a%=M;int r=1;while(b>0){if(b&1)r=r*a%M;a=a*a%M;b>>=1;}return r;}
      |     ^~
a.cc:23:42: error: too few arguments to function 'long long int pw(long long int, long long int, long long int)'
   23 |         int t = (pw(10,n) -pw(9,n)*2 + pw(8,n) ) %mod ;
      |                                        ~~^~~~~
a.cc:11:5: note: declared here
   11 | int pw(int a,int b,int M){a%=M;int r=1;while(b>0){if(b&1)r=r*a%M;a=a*a%M;b>>=1;}return r;}
      |     ^~
Language: C++

#include"bits/stdc++.h"
#include"atcoder.h"
#include<iostream>
using namespace std;
typedef long long ll;
#define rep(i,n) for(int i = 0; i < (n); ++i)
const ll inf = ll(1e18) + 1;
const ll mod = pow(10,9)+7;

ll powmod(ll x, ll y) {
	ll res = 1;
	for (ll i = 0; i < y; i++) {
		res = res * x % mod;
	}
	return res;
}

int main() {
	ll n;
	cin >> n;

	ll result = powmod(10,n);
	result -= powmod(9,n);
	result -= powmod(9, n);
	result += powmod(8, n);

	result = (result + mod) % mod;

	cout << result << endl;

	return 0;
}


Compiler output:
a.cc:2:9: fatal error: atcoder.h: No such file or directory
    2 | #include"atcoder.h"
      |         ^~~~~~~~~~~
compilation terminated.
Language: C++

//-fexec-charset=CP932
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using Graph=vector<vector<int>>;
using p=pair<int,int>;
#define MAX 100
#define THOU 1000
#define FIVEMAX 100000
#define SEVEN 1000000007
#define NINEMAX 1000000000
#define TWEMAX 1000000000000
#define rep(i,n) for (int i=0;i<n;i++)
#define drep(i,n) for(int i=n-1;i>=0;i--)
#define arep(i,a,n) for(int i=a;i<n;i++)
#define darep(i,a,n) for(int i=n,i>=a;i--)
template<class T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
template<class T>inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
const ll INF=1LL<<60;
int main(){
 cin.tie(0);
 ios::sync_with_stdio(false);
 ll n;
 cin>>n;
 ll a;
 a=pow(2,n)%SEVEN;
 cout<<a;

 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:12: error: invalid operands of types '__gnu_cxx::__promote<double>::__type' {aka 'double'} and 'int' to binary 'operator%'
   26 |  a=pow(2,n)%SEVEN;
      |    ~~~~~~~~^
      |       |
      |       __gnu_cxx::__promote<double>::__type {aka double}
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
ll mod=1000000005;
using namespace std;

int main(){
	ll n;
	cin>>n;

	ll ans = 10-9-9+8;

	for(ll i=1;i<n;i++){
		ll ans += 10*10-9*9-9*9+8*8;

		if(ans>=1000000007){
			ans-=1000000007;
		}
	}

	cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:24: error: expected initializer before '+=' token
   14 |                 ll ans += 10*10-9*9-9*9+8*8;
      |                        ^~
Language: C++

#include <iostream>
#include <bits/stdc++.h>
using namespace std;

int modpow(int x, int n) {
 int m=1000000007;
if (n == 0) return 1%m;
long long u = modpow(x,n/2,m);
u = (u*u)%m;
if (n%2 == 1) u = (u*x)%m;
return u;
}



 
 
 
int main()
{
 
    long long int n,a,b,c;
    cin>>n;
    if(n==1|| n==0)  cout<<"0"<<endl;
    if(n==2)  cout<<"2"<<endl;
   if(n>=3) {
 
        a= modpow(10, n);
        b= modpow(9, n);
        c=modpow(8, n);
 
      cout<< (a+c-2*b)% 1000000007<<endl;
        }
    return 0;
}


Compiler output:
a.cc: In function 'int modpow(int, int)':
a.cc:8:21: error: too many arguments to function 'int modpow(int, int)'
    8 | long long u = modpow(x,n/2,m);
      |               ~~~~~~^~~~~~~~~
a.cc:5:5: note: declared here
    5 | int modpow(int x, int n) {
      |     ^~~~~~
Language: C++

#include <iostream>
#include <bits/stdc++.h>
using namespace std;

int modpow(int x, int n) {
  m=1000000007;
if (n == 0) return 1%m;
long long u = modpow(x,n/2,m);
u = (u*u)%m;
if (n%2 == 1) u = (u*x)%m;
return u;
}



 
 
 
int main()
{
 
    long long int n,a,b,c;
    cin>>n;
    if(n==1|| n==0)  cout<<"0"<<endl;
    if(n==2)  cout<<"2"<<endl;
   if(n>=3) {
 
        a= modpow(10, n);
        b= modpow(9, n);
        c=modpow(8, n);
 
      cout<< (a+c-2*b)% 1000000007<<endl;
        }
    return 0;
}


Compiler output:
a.cc: In function 'int modpow(int, int)':
a.cc:6:3: error: 'm' was not declared in this scope
    6 |   m=1000000007;
      |   ^
Language: C++

#include <iostream>
#include <bits/stdc++.h>
using namespace std;

int modpow(int x, int n) {
  m=1000000007
if (n == 0) return 1%m;
long long u = modpow(x,n/2,m);
u = (u*u)%m;
if (n%2 == 1) u = (u*x)%m;
return u;
}



 
 
 
int main()
{
 
    long long int n,a,b,c;
    cin>>n;
    if(n==1|| n==0)  cout<<"0"<<endl;
    if(n==2)  cout<<"2"<<endl;
   if(n>=3) {
 
        a= modpow(10, n);
        b= modpow(9, n);
        c=modpow(8, n);
 
      cout<< (a+c-2*b)% 1000000007<<endl;
        }
    return 0;
}


Compiler output:
a.cc: In function 'int modpow(int, int)':
a.cc:6:3: error: 'm' was not declared in this scope
    6 |   m=1000000007
      |   ^
Language: C++

#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using ull = unsigned long long;
#define REP(i,n) for (ll i = 0; i < (n); ++i)
#define RREP(i, n) for (ll i = (n) - 1; i >= 0; --i)
#define ALL(v) (v).begin(), (v).end()
template<class T>
using reverse_priority_queue = priority_queue<T, vector<T>, greater<T>>;

struct mint{
    static const long long MOD = 1000000007;

    long long v;

    mint() : v(0) {}
    mint(long long x){
        x = x % MOD;
        if(x < 0){ x += MOD; }
        v = x;
    }
    mint& operator+=(mint a){
        v += a.v;
        if(v >= MOD){ v -= MOD; }
        return *this;
    }
    mint& operator*=(mint a){
        v *= a.v;
        v %= MOD;
        return *this;
    }
    mint& operator-=(mint a){
        v -= a.v;
        if(v < 0){ v += MOD; }
        return *this;
    }
    mint& operator/=(mint a){
        return (*this) *= a.inv();
    }

    mint operator*(mint a) const{
        return mint(v) *= a;
    }

    mint operator+(mint a) const {
        return mint(v) += a;
    }

    mint operator-(mint a) const {
        return mint(v) -= a;
    }

    mint operator/(mint a) const {
        return mint(v) /= a;
    }

    mint pow(long long k) const {
        mint res(1),tmp(v);
        while(k){
            if(k&1) res *= tmp;
            tmp *= tmp;
            k >>= 1;
        }
        return res;
    }
    mint inv(){return pow(MOD - 2); }

    static mint comb(long long n, int k){
        mint res(1);
        for(int i = 0; i < k; ++i){
            res *= mint(n - i);
            res /= mint(i + 1);
        }
        return res;
    }

    static mint factorial(long long n){
        mint res(1);
        for(int i = n; i > 1; --i){
            res *= mint(i);
        }
        return res;
    }

    bool operator<(const mint &a) const {
        return v < a.v;
    };
};

mint operator*(long long l, mint r){ return r * l; }

std::ostream& operator<<(std::ostream& stream, const mint& m){
    stream << m.v;
    return stream;
}

int main(){
    ll n;
    cin >> n;
    cout << mint(10).pow(n) - 2 * mint(9).pow(n) + mint(8).pow(n) << endl;
    return 0;
}


Compiler output:
a.cc:2:10: fatal error: atcoder/all: No such file or directory
    2 | #include <atcoder/all>
      |          ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<bits/stdc++.h>
 
using namespace std;
 
const long long mod = 1e9 + 7;
 
long long n;
 
int main() {
  scanf("%lld", &n);
  
  long long sol = n * (n - 1) % mod;
  
  for int i = 0; i < n - 2; i++) {
    sol *= 10;
    sol %= mod;
  }
  
  printf("%lld", sol);
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:7: error: expected '(' before 'int'
   14 |   for int i = 0; i < n - 2; i++) {
      |       ^~~
      |       (
Language: C++

#define rep(i,n) for (int i=0;i<n;i++)
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define mod 1000000007

 ll powmod(ll x,ll y){
    ll res=1;
    for(ll i=0;i<y;i++){
        res=res*x%mod;
    }
    return res;
}
 
int main(){
  
int n;
  cin >> n;
  
  cout << ((modpow(10,n)-2*modpow(9,n)%mod)%mod+modpow(8,n))%mod << endl;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:20:13: error: 'modpow' was not declared in this scope
   20 |   cout << ((modpow(10,n)-2*modpow(9,n)%mod)%mod+modpow(8,n))%mod << endl;
      |             ^~~~~~
Language: C++

using namespace std;

typedef long long LL;
const LL MO=1e9+7;

LL qmi(LL a,LL b) {
    LL res=1;
    while(b) {
        if (b&1) {
            res=res*a%MO;
        }
        a=a*a%MO;
        b>>=1;
    }
    return res;
}

int main() {
    LL n;
    cin>>n;	`	

    cout<<((qmi(10,n)-2*qmi(9,n)+qmi(8,n))%MO+MO)%MO<<"\n";

    return 0;
}

Compiler output:
a.cc:20:17: error: stray '`' in program
   20 |     cin>>n;     `
      |                 ^
a.cc: In function 'int main()':
a.cc:20:5: error: 'cin' was not declared in this scope
   20 |     cin>>n;     `
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:22:5: error: 'cout' was not declared in this scope
   22 |     cout<<((qmi(10,n)-2*qmi(9,n)+qmi(8,n))%MO+MO)%MO<<"\n";
      |     ^~~~
a.cc:22:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include<iostream>
#define ll long long
using namespace std;
const ll mod=1e9+7;
ll mi(ll a,ll b){
	ll x=1;
	while(b){
		if(b&1) x=x*a%mod;
		b>>=1;
		a=a*a%mod;
	}
	return x;
}
int main(){
	int n;
	cin>>n;
	ll ans=(mi(10,n)-mi(9,n)-mi(9,n)+mi(8,n))%mod;
	ans=(ans+mod)%mod;
	cout<<ans<<endl;
	return 0;
}
#include<iostream>
#define ll long long
using namespace std;
const ll mod=1e9+7;
ll mi(ll a,ll b){
	ll x=1;
	while(b){

Compiler output:
a.cc:25:10: error: redefinition of 'const long long int mod'
   25 | const ll mod=1e9+7;
      |          ^~~
a.cc:4:10: note: 'const long long int mod' previously defined here
    4 | const ll mod=1e9+7;
      |          ^~~
a.cc:26:4: error: redefinition of 'long long int mi(long long int, long long int)'
   26 | ll mi(ll a,ll b){
      |    ^~
a.cc:5:4: note: 'long long int mi(long long int, long long int)' previously defined here
    5 | ll mi(ll a,ll b){
      |    ^~
a.cc: In function 'long long int mi(long long int, long long int)':
a.cc:28:18: error: expected '}' at end of input
   28 |         while(b){
      |                 ~^
a.cc:28:18: error: expected '}' at end of input
a.cc:26:17: note: to match this '{'
   26 | ll mi(ll a,ll b){
      |                 ^
a.cc:28:18: warning: no return statement in function returning non-void [-Wreturn-type]
   28 |         while(b){
      |                  ^
Language: C++

#include<cstdio>
#define LL long long
#define mod 1e9+7
using namespace std;
LL qmi(LL a,LL b)
{
	LL res=1;
	while(b)
	{
		if(b&1)res=res*a%mod;
		a=a*a%mod;
		b>>=1;
	}
	return res;
}
int main()
{
	LL n;scanf("%d",&n);
	printf("%d",((qmi(10ll,n)-2*qmi(9ll,n)+qmi(8ll,n))%mod+mod)%mod);
	return 0;
}

Compiler output:
a.cc: In function 'long long int qmi(long long int, long long int)':
a.cc:10:33: error: invalid operands of types 'long long int' and 'double' to binary 'operator%'
   10 |                 if(b&1)res=res*a%mod;
      |                            ~~~~~^
      |                               |
      |                               long long int
a.cc:11:22: error: invalid operands of types 'long long int' and 'double' to binary 'operator%'
   11 |                 a=a*a%mod;
      |                   ~~~^
      |                    |
      |                    long long int
a.cc: In function 'int main()':
a.cc:19:59: error: invalid operands of types 'long long int' and 'double' to binary 'operator%'
   19 |         printf("%d",((qmi(10ll,n)-2*qmi(9ll,n)+qmi(8ll,n))%mod+mod)%mod);
      |                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
      |                                               |
      |                                               long long int
Language: C++

#include <iostream>
using namespace std;
typedef long long ll;
const ll mo = 1e9+7;
ll qsm(ll a,ll b){
	ll res = 1;
	while(b){
		if(b & 1){
			res *= a % mo; 
		}
		a = a*a % mo;
		b >>= 1;
	}
	return res;
}
int main(){
	ll n;
	cin >> n;
	cout << (((qsm(10,n) - 2*qsm(9,n)) % mo) + qsm(8,n)))%mo;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:61: error: expected ';' before ')' token
   19 |         cout << (((qsm(10,n) - 2*qsm(9,n)) % mo) + qsm(8,n)))%mo;
      |                                                             ^
      |                                                             ;
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0; i<n; i++)
using namespace std;

int main()
{
    int n;
    cin>>n;
    if(n==1){
        cout<<0<<endl;
    }else if (n==2){
        cout<<2<<endl;
    }else{
        cout<<(n*(n-1)*(10**(n-2)))%((10**9)+7);
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:28: error: invalid type argument of unary '*' (have 'int')
   14 |         cout<<(n*(n-1)*(10**(n-2)))%((10**9)+7);
      |                            ^~~~~~
a.cc:14:42: error: invalid type argument of unary '*' (have 'int')
   14 |         cout<<(n*(n-1)*(10**(n-2)))%((10**9)+7);
      |                                          ^~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0; i<n; i++)
using namespace std;

int main()
{
    int n;
    cin>>n;
    if(n==1){
        cout<<0<<endl;
    }else if (n==2){
        cout<<2<<endl;
    }else(){
        cout<<(n*(n-1)*(10**(n-2)))%((10**9)+7);
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: expected primary-expression before ')' token
   13 |     }else(){
      |           ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i=0; i<n; i++)
using namespace std;

int main()
{
    int n;
    cin>>n;
    cout<<(n*(n-1)*(10**(n-2))))%((10**9)+7);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:24: error: invalid type argument of unary '*' (have 'int')
    9 |     cout<<(n*(n-1)*(10**(n-2))))%((10**9)+7);
      |                        ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;



int main() {
  int N;
int A[1000000];         
int k=0;
    cin >> N;
    for (int i = 0; i < N; ++i) {cin >> A[i];}
    for (int i = 0; i < N; ++i){
      if(A[i]==0||A[i]==9){++k;}
      }
      

Compiler output:
a.cc: In function 'int main()':
a.cc:14:8: error: expected '}' at end of input
   14 |       }
      |        ^
a.cc:6:12: note: to match this '{'
    6 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;



int main() {
  int N;
int A[1000000];         
int k=0;
    cin >> N;
    for (int i = 0; i < N; ++i) {cin >> A[i];}
    for (int i = 0; i < N; ++i){
      if(A[i]=0||A[i]=9){++k;}
      }
      cout<<k%1000007<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:16: error: lvalue required as left operand of assignment
   13 |       if(A[i]=0||A[i]=9){++k;}
      |               ~^~~~~~
Language: C++

int main()
int N;
int A[1000000];         
int k=0;
int main() {
    cin >> N;
    for (int i = 0; i < N; ++i) {cin >> A[i];}
    for (int i = 0; i < N; ++i){
      if(A[i]=0||A[i]=9){++k;}
      }
      cout<<k%1000007<<endl;
}

Compiler output:
a.cc:2:1: error: expected initializer before 'int'
    2 | int N;
      | ^~~
a.cc: In function 'int main()':
a.cc:6:5: error: 'cin' was not declared in this scope
    6 |     cin >> N;
      |     ^~~
a.cc:6:12: error: 'N' was not declared in this scope
    6 |     cin >> N;
      |            ^
a.cc:9:16: error: lvalue required as left operand of assignment
    9 |       if(A[i]=0||A[i]=9){++k;}
      |               ~^~~~~~
a.cc:11:7: error: 'cout' was not declared in this scope
   11 |       cout<<k%1000007<<endl;
      |       ^~~~
a.cc:11:24: error: 'endl' was not declared in this scope
   11 |       cout<<k%1000007<<endl;
      |                        ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;

int main()
{
int N;
int A[i];         
int k=0;
int main() {
    cin >> N;
    for (int i = 0; i < N; ++i) cin >> A[i];
    for (int i = 0; i < N; ++i){
      if(A[i]=0||A[i]=9)++k;
      }
      cout<<k%1000007<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:7: error: 'i' was not declared in this scope
    7 | int A[i];
      |       ^
a.cc:9:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
    9 | int main() {
      |         ^~
a.cc:9:9: note: remove parentheses to default-initialize a variable
    9 | int main() {
      |         ^~
      |         --
a.cc:9:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:9:12: error: a function-definition is not allowed here before '{' token
    9 | int main() {
      |            ^
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:5:1: note: to match this '{'
    5 | {
      | ^