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

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define repi(i, s, n) for (int i = (s); i < (n); i++)
typedef pair<int, int> P;
typedef long long ll;
const int INF = 100100100;
const int MOD = 1e9 + 7;

int main() {
  ifstream in("ac-ans-b/arc084_a.txt");
  cin.rdbuf(in.rdbuf());

  int N;
  cin >> N;

  vector<int> a(N);
  vector<int> b(N);
  vector<int> c(N);
  rep(i, N) { cin >> a[i]; }
  rep(i, N) { cin >> b[i]; }
  rep(i, N) { cin >> c[i]; }

  sort(a.begin(), a.end());
  sort(b.begin(), b.end());
  sort(c.begin(), c.end());

  ll ans = 0;
  rep(i, N) {

    // 下段の２分探索
    int l = -1, r = N;
    while (l + 1 < r) {
      int x = (l + r) / 2;
      if (mid > a[x]) {
        l = x;
      } else {
        r = x;
      }
    }
    low_cnt = r;

    // 上限の２分探索
    l = -1, r = N;
    while (l + 1 < r) {
      int x = (l + r) / 2;
      if (mid >= c[x]) {
        l = x;
      } else {
        r = x;
      }
    }
    high_cnt = N - r;

    ans += low_cnt * high_cnt;
    // printf("i:%d, l:%lld, r:%lld\n", i, low_cnt, high_cnt);
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:11: error: 'mid' was not declared in this scope
   35 |       if (mid > a[x]) {
      |           ^~~
a.cc:41:5: error: 'low_cnt' was not declared in this scope
   41 |     low_cnt = r;
      |     ^~~~~~~
a.cc:47:11: error: 'mid' was not declared in this scope
   47 |       if (mid >= c[x]) {
      |           ^~~
a.cc:53:5: error: 'high_cnt' was not declared in this scope
   53 |     high_cnt = N - r;
      |     ^~~~~~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;
 
int main(){
  int n;
  cin >> n;
  vector<int> a(n);
  vector<int> b(n);
  vector<int> c(n);
  rep(i,n) cin >> a[i];
  rep(i,n) cin >> b[i];
  rep(i,n) cin >> c[i];
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  sort(c.begin(),c.end());
  
  ll tot = 0;
  
  rep(i,n){
    int upper = c.end() - upper_bound(c.begin(),c.end(),b[i]);
    int lower = lower_bound(a.begin(),a.end(),b[i])-a.begin();
    tot += upper*lower;
 
  }
  cout << tot << endl;
}
#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;
 
int main(){
  int n;
  cin >> n;
  vector<int> a(n);
  vector<int> b(n);
  vector<int> c(n);
  rep(i,n) cin >> a[i];
  rep(i,n) cin >> b[i];
  rep(i,n) cin >> c[i];
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  sort(c.begin(),c.end());
  
  ll tot = 0;
  
  rep(i,n){
    auto upper = c.end() - upper_bound(c.begin(),c.end(),b[i]);
    auto lower = lower_bound(a.begin(),a.end(),b[i])-a.begin();
    tot += upper*lower;

  }
  cout << tot << endl;
}

Compiler output:
a.cc:34:5: error: redefinition of 'int main()'
   34 | int main(){
      |     ^~~~
a.cc:6:5: note: 'int main()' previously defined here
    6 | int main(){
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;
 
int main(){
  int n;
  cin >> n;
  vector<int> a(n);
  vector<int> b(n);
  vector<int> c(n);
  rep(i,n) cin >> a[i];
  rep(i,n) cin >> b[i];
  rep(i,n) cin >> c[i];
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  sort(c.begin(),c.end());
  
  int tot = 0;
  
  rep(xb,n){
    int upper = upper_bound(c.begin(),c.end(),b[xb]+1) - c.begin();
    upper = n-upper;
    //cout << upper << endl;
    int lower = lower_bound(a.begin(),a.end(),b[xb])-a.begin();
    //cout << lower << endl;
    tot += upper*lower;
  }
  cout << tot << endl;
}
#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); i++)
using namespace std;
typedef long long ll;
 
int main(){
  int n;
  cin >> n;
  vector<int> a(n);
  vector<int> b(n);
  vector<int> c(n);
  rep(i,n) cin >> a[i];
  rep(i,n) cin >> b[i];
  rep(i,n) cin >> c[i];
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  sort(c.begin(),c.end());
  
  ll tot = 0;
  
  rep(xb,n){
    int upper = upper_bound(c.begin(),c.end(),b[xb]+1) - c.begin();
    upper = n-upper;
    //cout << upper << endl;
    int lower = lower_bound(a.begin(),a.end(),b[xb])-a.begin();
    //cout << lower << endl;
    tot += upper*lower;
  }
  cout << tot << endl;
}

Compiler output:
a.cc:36:5: error: redefinition of 'int main()'
   36 | int main(){
      |     ^~~~
a.cc:6:5: note: 'int main()' previously defined here
    6 | int main(){
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
// #pragma GCC optimize("Ofast")
using namespace std;
int main()
{
  while (True)
  {
    continue;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:10: error: 'True' was not declared in this scope
    6 |   while (True)
      |          ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int binaly_search(vector<int> vec, int num)
{
        int lb, ub, mid;
        lb = -1;
        ub = vec.size();
        while (ub - lb > 1)
        {
                mid = (lb + ub) / 2;
                if (vec.at(mid) > num)
                {
                        ub = mid;
                }
                else
                {
                        lb = mid;
                }
        }
        return lb;
}
int main()
{
        int N;
        cin >> N;
        vector<int> A(N), B(N), C(N);
        for (int i = 0; i < N; ++i)
        {
                cin >> A.at(i);
        }
        for (int i = 0; i < N; ++i)
        {
                cin >> B.at(i);
        }
        for (int i = 0; i < N; ++i)
        {
                cin >> C.at(i);
        }
        sort(A.begin(), A.end());
        sort(B.begin(), B.end());
        sort(C.begin(), C.end();
        reverse(A.begin(), A.end());
        reverse(B.begin(), B.end());
        reverse(C.begin(), C.end());
        vector<int> can_put(N);
        for (int i = 0; i < N; ++i)
        {
                can_put.at(i) = binaly_search(A, B.at(i) + 1;
        }
        for (int i = 1; i < N; ++i)
        {
                can_put.at(i) = can_put.at(i - 1) + can_put.at(i);
        }
int ans = 0;
        for (int i = 0; i < N; ++i)
        {
                ans += can_put.at(binaly_search(B, C.at(i);
        }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:32: error: expected ')' before ';' token
   41 |         sort(C.begin(), C.end();
      |             ~                  ^
      |                                )
a.cc:48:61: error: expected ')' before ';' token
   48 |                 can_put.at(i) = binaly_search(A, B.at(i) + 1;
      |                                              ~              ^
      |                                                             )
a.cc:57:59: error: expected ')' before ';' token
   57 |                 ans += can_put.at(binaly_search(B, C.at(i);
      |                                                ~          ^
      |                                                           )
Language: C++

#include <bits/stdc++.h>
using namespace std;
int binaly_search(vector<int> vec, int num)
{
        int lb, ub, mid;
        lb = -1;
        ub = vec.size();
        while (ub - lb > 1)
        {
                mid = (lb + ub) / 2;
                if (vec.at(mid) > num)
                {
                        ub = mid;
                }
                else
                {
                        lb = mid;
                }
        }
        return lb;
}

Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<n;i++)
#define FOR(i,start,end) for(int i=start;i<=end;i++)
const int INF = 1001001001;
using namespace std;
typedef long long ll;

int bsearch(int *array, int lb, int ub, int key)
{
  int mid;
  while(ub-lb>1){
    mid  = (lb+ub)/2;
    if(array[mid]<key){
      lb=mid;
    }
    else{
      ub=mid;
    }
  }
  return ub;
}
int main()
{
  int N;
  int a[110000], b[110000], c[110000];
  ll res=0;
  cin >> N;
  rep(i,N) cin >> a[i+1];
  rep(i,N) cin >> b[i+1];
  rep(i,N) cin >> c[i];
  a[0] = b[0] = 0;
  a[N+1] = b[N+1] = INF;

  sort(a,a+N+1);
  sort(b,b+N+1);
  sort(c,c+N);

  rep(i,N){
    //cout << "-----" << endl;                                                  
    int idxB = bsearch(b, 0, N+1, c[i]);
    FOR(j,1,idxB-1){
      int idxA = bsearch(a, 0, N+1, b[j]);
      res += (ll)(idxA-1);
      //cout << c[i] << " " << b[j] << " " << a[idxA-1] << "(" << res << ")" << endl;                                                                           
    }
  }
  cout << res << endl;
  return 0;
}



Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:27:3: error: 'cin' was not declared in this scope
   27 |   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 | include <bits/stdc++.h>
a.cc:32:21: error: 'INF' was not declared in this scope
   32 |   a[N+1] = b[N+1] = INF;
      |                     ^~~
a.cc:34:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   34 |   sort(a,a+N+1);
      |   ^~~~
      |   short
a.cc:47:3: error: 'cout' was not declared in this scope
   47 |   cout << res << endl;
      |   ^~~~
a.cc:47:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:47:18: error: 'endl' was not declared in this scope
   47 |   cout << res << endl;
      |                  ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | include <bits/stdc++.h>
Language: C++

open System
open System.Collections.Generic

[<AutoOpen>]
module Cin =
    let read f = stdin.ReadLine() |> f
    let reada f = stdin.ReadLine().Split() |> Array.map f
    let readChars() = read string |> Seq.toArray
    let readInts() = readChars() |> Array.map (fun x -> Convert.ToInt32(x.ToString()))

[<AutoOpen>]
module Cout =
    let writer = new IO.StreamWriter(new IO.BufferedStream(Console.OpenStandardOutput()))
    let print (s: string) = writer.Write s
    let println (s: string) = writer.WriteLine s
    let inline puts (s: ^a) = string s |> println

let main() =
    let N = read int
    let A = reada int64 |> Array.sort
    let B = reada int64 |> Array.sort
    let C = reada int64 |> Array.sort

    let lower (arr: int64 array) n a =
        let mutable (ok, ng) = (n, -1)
        while abs (ok - ng) > 1 do
            let mid = (ok + ng) / 2
            if a <= arr.[mid] then ok <- mid else ng <- mid
        ok

    let upper (arr: int64 array) n a =
        let mutable (ok, ng) = (n, -1)
        while abs (ok - ng) > 1 do
            let mid = (ok + ng) / 2
            if a < arr.[mid] then ok <- mid else ng <- mid
        ok

    let mutable ans = 0L
    for i in 0 .. N - 1 do
        let b = B.[i]
        let oka = lower A N b
        let okc = upper C N b

        let elma = int64 oka
        let elmc = N - okc |> int64
        ans <- ans + (elma * elmc)

    puts ans
    ()

main()
writer.Close()


Compiler output:
a.cc:1:1: error: 'open' does not name a type
    1 | open System
      | ^~~~
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define P pair<int,int>
#define MAX_N 100001
using namespace std;

ll n;

int main(){
    cin>>n;
    vector<int> a( n,0 );
    vector<int> b( n,0 );
    vector<int> c( n,0 );
    for(int i =0;i<n; i++){
        cin>>a[i];
    }
    for(int i =0;i<n; i++){
        cin>>b[i];
    }
    for(int i =0;i<n; i++){
        cin>>c[i];
    }
    
    sort(a.begin(), a.end() );
    sort(cbegin(), c.end() );
    ll ans;
    for(int i =0;i<n; i++){
        auto tt = lower_bound(a.begin(), a.end(), b[i] );
        auto ss = lower_bound(c.begin(), c.end(), b[i]) ;
        ll t = a.end() - tt;
        ll s = ss - c.begin(); 
        ans += t*s;
    }
    cout<< ans  <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:16: error: no matching function for call to 'cbegin()'
   25 |     sort(cbegin(), c.end() );
      |          ~~~~~~^~
In file included from /usr/include/c++/14/string:53,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/range_access.h:126:5: note: candidate: 'template<class _Container> constexpr decltype (std::begin(__cont)) std::cbegin(const _Container&)'
  126 |     cbegin(const _Container& __cont) noexcept(noexcept(std::begin(__cont)))
      |     ^~~~~~
/usr/include/c++/14/bits/range_access.h:126:5: note:   candidate expects 1 argument, 0 provided
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define P pair<int,int>
#define MAX_N 100001
using namespace std;

int n;
int a[MAX_N], b[MAX_N], c[MAX_N];

int main(){
    cin>>n;
    for(int i =0;i<n; i++){
        cin>>a[i];
    }
    for(int i =0;i<n; i++){
        cin>>b[i];
    }
    for(int i =0;i<n; i++){
        cin>>c[i];
    }
    
    sort(a, a+n);
    sort(b, b+n);
    sort(c, c+n);
    int ans;
    for(int i =0;i<n; i++){
        auto tt = lower_bound(b, b+n, a[i] );
        auto ss = lower_bound(c, c+n, a[i]) ;
        int t = tt - b[0];
        int s = ss - c[0]; 
        ans += t*s;
    }
    cout<< ans  <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:20: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   29 |         int t = tt - b[0];
      |                 ~~~^~~~~~
      |                    |
      |                    int*
a.cc:30:20: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   30 |         int s = ss - c[0];
      |                 ~~~^~~~~~
      |                    |
      |                    int*
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define P pair<int,int>
#define MAX_N 100001
using namespace std;

int n;
int a[MAX_N], b[MAX_N], c[MAX_N];

int main(){
    cin>>n;
    for(int i =0;i<n; i++){
        cin>>a[i];
    }
    for(int i =0;i<n; i++){
        cin>>b[i];
    }
    for(int i =0;i<n; i++){
        cin>>c[i];
    }
    
    sort(a, a+n);
    sort(b, b+n);
    sort(c, c+n);
    int ans;
    for(int i =0;i<n; i++){
        auto tt = lower_bound(b, b+n, a[i] );
        auto ss = lower_bound(c, c+n, a[i]) ;
        int t = tt - b.begin();
        int s = ss - c.begin(); 
        ans += t*s;
    }
    cout<< ans  <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:24: error: request for member 'begin' in 'b', which is of non-class type 'int [100001]'
   29 |         int t = tt - b.begin();
      |                        ^~~~~
a.cc:30:24: error: request for member 'begin' in 'c', which is of non-class type 'int [100001]'
   30 |         int s = ss - c.begin();
      |                        ^~~~~
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define P pair<int,int>
#define MAX_N 100001
using namespace std;

int n;
int a[MAX_N], b[MAX_N], c[MAX_N];

int main(){
    cin>>n;
    for(int i =0;i<n; i++){
        cin>>a[i];
    }
    for(int i =0;i<n; i++){
        cin>>b[i];
    }
    for(int i =0;i<n; i++){
        cin>>c[i];
    }
    
    sort(a, a+n);
    sort(b, b+n);
    sort(c, c+n);
    int ans;
    for(int i =0;i<n; i++){
        int t = lower_bound(b, b+n, a[i] ) - b.begin();
        int s = lower_bound(c, c+n, a[i]) - c.begin();
        ans += t*s;
    }
    cout<< ans  <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:48: error: request for member 'begin' in 'b', which is of non-class type 'int [100001]'
   27 |         int t = lower_bound(b, b+n, a[i] ) - b.begin();
      |                                                ^~~~~
a.cc:28:47: error: request for member 'begin' in 'c', which is of non-class type 'int [100001]'
   28 |         int s = lower_bound(c, c+n, a[i]) - c.begin();
      |                                               ^~~~~
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define P pair<int,int>
#define MAX_N 100001
using namespace std;

ll n;
ll a[MAX_N], b[MAX_N], c[MAX_N];

int main(){
    cin>>n;
    for(int i =0;i<n; i++){
        cin>>a[i];
    }
    for(int i =0;i<n; i++){
        cin>>b[i];
    }
    for(int i =0;i<n; i++){
        cin>>c[i];
    }
    
    sort(a, a+n);
    sort(b, b+n);
    sort(c, c+n);
    ll ans;
    for(int i =0;i<n; i++){
        ll t = lower_bound(b, b+n, a[i] ) - b.begin();
        ll s = lower_bound(c, c+n, a[i]) - c.begin();
        ans += t*s;
    }
    cout<< ans  <<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:47: error: request for member 'begin' in 'b', which is of non-class type 'long long int [100001]'
   27 |         ll t = lower_bound(b, b+n, a[i] ) - b.begin();
      |                                               ^~~~~
a.cc:28:46: error: request for member 'begin' in 'c', which is of non-class type 'long long int [100001]'
   28 |         ll s = lower_bound(c, c+n, a[i]) - c.begin();
      |                                              ^~~~~
Language: C++

#include <bits/stdc++.h>
#define sz(x) (int)(x).size()
#define Ifor(i, a, b) for (int i = int(a); i < int(b); i++)
#define Dfor(i, a, b) for (int i = int(b) - 1; i >= int(a); i--)
#define Trav(e, v) for (auto& e : v)
#define pb push_back
#define all(x) begin(x), end(x)
using namespace std;
using ll = long long;
using ii = pair<int, int>;
using pll = pair<ll, ll>;
using vi = vector<int>;
using vii = vector<ii>;
template <typename T> ckmin (T& a, T b) { return (b < a) ? a = b, 1 : 0; }
template <typename T> ckmax (T& a, T b) { return (b > a) ? a = b, 1 : 0; }
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#ifdef XVENOM
	#define errp(...) fprintf(stderr, __VA_ARGS__)
	#define dbg(...) errp("[%s]: ", #__VA_ARGS__), dbg_str(__VA_ARGS__)
#else
	#define errp(...)
	#define dbg(...)
#endif
template <typename U, typename V> string to_string (pair<U, V>);
string to_string (const string& e_) { return "\"" + e_ + "\""; }
string to_string (char e_) { return "\'" + string(1, e_) + "\'"; }
string to_string (bool e_) { return e_ ? "true" : "false"; }
template <typename T> string to_string (T e_) {
	string s_ = "[ ";
	for (const auto& x_ : e_) s_ += to_string(x_) + " ";
	return s_ + "]";
}
template <typename U, typename V> string to_string (pair<U, V> e_) {
	return "(" + to_string(e_.first) + ", " + to_string(e_.second) + ")";
}
void dbg_str () { errp(" \n"); }
template <typename U, typename... V> void dbg_str (U u, V... v) {
 	errp(" %s", to_string(u).c_str()); dbg_str(v...);
}
/* --- */
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	/* --- */
	int n;
	cin >> n;
	vi a(n), b(n), c(n);
	Trav(x, a) cin >> x;
	Trav(x, b) cin >> x;
	Trav(x, c) cin >> x;
	sort(all(a));
	sort(all(b));
	sort(all(c));
	ll ans = 0;
	Ifor(i, 0, n) {
		ll x = (ll)(lower_bound(all(a), b[i]) - begin(a));
		ll y = (ll)(end(c) - upper_bound(all(c), b[i]));
		ans += x * y;
	}
	cout << ans << '\n';
}



Compiler output:
a.cc:14:23: error: ISO C++ forbids declaration of 'ckmin' with no type [-fpermissive]
   14 | template <typename T> ckmin (T& a, T b) { return (b < a) ? a = b, 1 : 0; }
      |                       ^~~~~
a.cc:15:23: error: ISO C++ forbids declaration of 'ckmax' with no type [-fpermissive]
   15 | template <typename T> ckmax (T& a, T b) { return (b > a) ? a = b, 1 : 0; }
      |                       ^~~~~
Language: C++

#include "bits/stdc++.h"
using namespace std;
const int MAX = 700000;
const int MOD = 1000000007;

long long fac[MAX], finv[MAX], inv[MAX];

// テーブルを作る前処理
void COMinit() {
	fac[0] = fac[1] = 1;
	finv[0] = finv[1] = 1;
	inv[1] = 1;
	for (int i = 2; i < MAX; i++) {
		fac[i] = fac[i - 1] * i % MOD;
		inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD;
		finv[i] = finv[i - 1] * inv[i] % MOD;
	}
}

// 二項係数計算
long long COM(int n, int k) {
	if (n < k) return 0;
	if (n < 0 || k < 0) return 0;
	return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;
}
/*第二引数で第一引数を割ったときの切り上げの計算*/
long long int maxtime(long long int x, long long int y) {
	return(x + y - 1) / y;

}
/*最大公約数*/
long long int lcm(long long int number1, long long int number2) {
	long long int m = number1;
	long long int n = number2;

	if (number2 > number1) {
		m = number2;
		n = number1;
	}
	long long int s = -1;
	while (s != 0) {
		s = m % n;
		m = n;
		n = s;
	}
	return m;
}
/*最大公倍数*/
long long int gcd(long long int number1, long long int number2) {
	long long int m = number1;
	long long int n = number2;
	return m / lcm(m, n) * n;
}

int main() {
	vector<int> a;
	vector<int> b;
	vector<int> c;
	int n;
	cin >> n;
	for (int i = 0; i < n; i++) {
		int d;
		cin >> d;
		a.push_back(d);
	}
	for (int i = 0; i < n; i++) {
		int d;
		cin >> d;
		b.push_back(d);
	}
	for (int i = 0; i < n; i++) {
		int d;
		cin >> d;
		c.push_back(d);
	}
	sort(a.begin(), a.end());
	sort(b.begin(), b.end());
	sort(c.begin(), c.end());
	long long int sum = 0;
	for (int i = 0; i < b.size(); i++) {
		auto iterue = lower_bound(a.begin(),a.end(), b[i]);
		auto itersita = upper_bound(c.begin(), c.end(), b[i]);
		long long int k = (iterue - a.begin());
		long long int f = (c.end() - itersita);
		sum = sum + long long int(iterue - a.begin()) * long long int(c.end()-itersita);
	}
	cout << sum;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:85:29: error: expected primary-expression before 'long'
   85 |                 sum = sum + long long int(iterue - a.begin()) * long long int(c.end()-itersita);
      |                             ^~~~
Language: C++

#include "bits/stdc++.h"
using namespace std;
const int MAX = 700000;
const int MOD = 1000000007;

long long fac[MAX], finv[MAX], inv[MAX];

// テーブルを作る前処理
void COMinit() {
	fac[0] = fac[1] = 1;
	finv[0] = finv[1] = 1;
	inv[1] = 1;
	for (int i = 2; i < MAX; i++) {
		fac[i] = fac[i - 1] * i % MOD;
		inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD;
		finv[i] = finv[i - 1] * inv[i] % MOD;
	}
}

// 二項係数計算
long long COM(int n, int k) {
	if (n < k) return 0;
	if (n < 0 || k < 0) return 0;
	return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;
}
/*第二引数で第一引数を割ったときの切り上げの計算*/
long long int maxtime(long long int x, long long int y) {
	return(x + y - 1) / y;

}
/*最大公約数*/
long long int lcm(long long int number1, long long int number2) {
	long long int m = number1;
	long long int n = number2;

	if (number2 > number1) {
		m = number2;
		n = number1;
	}
	long long int s = -1;
	while (s != 0) {
		s = m % n;
		m = n;
		n = s;
	}
	return m;
}
/*最大公倍数*/
long long int gcd(long long int number1, long long int number2) {
	long long int m = number1;
	long long int n = number2;
	return m / lcm(m, n) * n;
}

int main() {
	vector<int> a;
	vector<int> b;
	vector<int> c;
	int n;
	cin >> n;
	for (int i = 0; i < n; i++) {
		int d;
		cin >> d;
		a.push_back(d);
	}
	for (int i = 0; i < n; i++) {
		int d;
		cin >> d;
		b.push_back(d);
	}
	for (int i = 0; i < n; i++) {
		int d;
		cin >> d;
		c.push_back(d);
	}
	sort(a.begin(), a.end());
	sort(b.begin(), b.end());
	sort(c.begin(), c.end());
	long long int sum = 0;
	for (int i = 0; i < b.size(); i++) {
		auto iterue = lower_bound(a.begin(),a.end(), b[i]);
		auto itersita = upper_bound(c.begin(), c.end(), b[i]);
		sum = sum + long long (iterue - a.begin()) * long long (c.end()-itersita);
	}
	cout << sum;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:83:29: error: expected primary-expression before 'long'
   83 |                 sum = sum + long long (iterue - a.begin()) * long long (c.end()-itersita);
      |                             ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
typedef long long ll;

int main() {
    int N; cin >> N;
    vector<int> A(N), B(N), C(N);
    for (int i = 0; i < 3; i++){
        for (int j = 0; j < N; j++){
            if (i == 0){
                cin >> A[j];
            }
            else if (i == 1){
                cin >> B[j];
            }
            else {
                cin >> C[j];
            }
        }
    }

    sort(A.begin(), A.end());
    sort(B.begin(), B.end());
    sort(C.begin(), C.end());
    int tmpA, tmpC;
    ll ans = 0;

    for (int i = 0; i < N; i++){
        tmpA = distance(A.begin(), lower_bound(A.begin(), A.end(), B[i]));
        tmpC = N - distance(C.begin, upper_bound(C.begin(), C.end(), B[i]));
        ans += tmpA * tmpC;
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:28: error: no matching function for call to 'distance(<unresolved overloaded function type>, __gnu_cxx::__normal_iterator<int*, std::vector<int> >)'
   32 |         tmpC = N - distance(C.begin, upper_bound(C.begin(), C.end(), B[i]));
      |                    ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:66,
                 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_iterator_base_funcs.h:148:5: note: candidate: 'constexpr typename std::iterator_traits< <template-parameter-1-1> >::difference_type std::distance(_InputIterator, _InputIterator) [with _InputIterator = __gnu_cxx::__normal_iterator<int*, vector<int> >; typename iterator_traits< <template-parameter-1-1> >::difference_type = long int]'
  148 |     distance(_InputIterator __first, _InputIterator __last)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator_base_funcs.h:148:29: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to '__gnu_cxx::__normal_iterator<int*, std::vector<int> >'
  148 |     distance(_InputIterator __first, _InputIterator __last)
      |              ~~~~~~~~~~~~~~~^~~~~~~
In file included from /usr/include/c++/14/filesystem:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:200:
/usr/include/c++/14/bits/fs_path.h:1431:1: note: candidate: 'std::ptrdiff_t std::distance(filesystem::__cxx11::path::iterator, filesystem::__cxx11::path::iterator)'
 1431 | distance(filesystem::path::iterator __first, filesystem::path::iterator __last)
      | ^~~~~~~~
/usr/include/c++/14/bits/fs_path.h:1431:37: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::filesystem::__cxx11::path::iterator'
 1431 | distance(filesystem::path::iterator __first, filesystem::path::iterator __last)
      |          ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
typedef long long ll;

int main() {
    int N; cin >> N;
    vector<ll> A(N), B(N), C(N);
    for (int i = 0; i < 3; i++){
        for (int j = 0; j < N; j++){
            if (i == 0){
                cin >> A[j];
            }
            else if (i == 1){
                cin >> B[j];
            }
            else {
                cin >> C[j];
            }
        }
    }

    sort(A.begin(), A.end());
    sort(B.begin(), B.end());
    sort(C.begin(), C.end());

    int tmpB = N-1; int tmpC = N-1;
    vector<ll> B_shaku(N);
    while(tmpB > 0 && tmpC > 0) {
        if (B[tmpB] < C[tmpC]){
            tmpC--;
        }
        else {
            B_shaku[tmpB] = N - tmpC;
            tmpB--;
        }
    }
    vector<ll> B_rui(N);
    B_rui[N-1] = B_shaku[N-1];
    for (int i = N-2; i >= 0; i--){
        B_rui[i] = B_rui[i+1] + B_shaku[i];
    }
    int tmpA = N-1; int tmpB = N-1;
    ll ans;
    while(tmpA > 0 && tmpB > 0) {
        if (B[tmpA] < C[tmpB]){
            tmpB--;
        }
        else {
            ans += B_rui[tmpB];
            tmpA--;
        }
    }



Compiler output:
a.cc: In function 'int main()':
a.cc:44:25: error: redeclaration of 'int tmpB'
   44 |     int tmpA = N-1; int tmpB = N-1;
      |                         ^~~~
a.cc:28:9: note: 'int tmpB' previously declared here
   28 |     int tmpB = N-1; int tmpC = N-1;
      |         ^~~~
a.cc:54:6: error: expected '}' at end of input
   54 |     }
      |      ^
a.cc:7:12: note: to match this '{'
    7 | int main() {
      |            ^
Language: C++

#include <iostream>
#include <map>
#include <functional>
#include <vector>

using namespace std;

/*
Arguments:
    Search range: [begin, end)
    Target function: f(x)
Requirement:
    f(x) => { false, ..., false, true, ..., true }
Judge:
    true_bound == begin => All f(x) are true
    true_bound == end => All f(x) are false
*/
pair<long long, long long> bsearch(long long begin, long long end, function<bool(long long)> f)
{
    long long false_bound = begin - 1LL; // ( ..., false_bound] => false
    long long true_bound = end; // [true_bound, ... ) => true
    long long x;

    while(true_bound - false_bound > 1LL)
    {
        x = false_bound + (true_bound - false_bound) / 2LL;
        if(f(x))
        {
            true_bound = x;
        }
        else
        {
            false_bound = x;
        }
    }

    return make_pair(false_bound, true_bound);
}

int main()
{
    int n;
    vector<int> abc[3];
    int ans = 0;

    cin >> n;

    for(int i = 0; i < 3; ++i)
    {
        abc[i].resize(n);
        for(int j = 0; j < n; ++j)
        {
            cin >> abc[i][j];
        }
        sort(abc[i].begin(), abc[i].end());
    }

    for(int i = 0; i < n; ++i)
    {
        int b = abc[1][i];

        auto result_a = bsearch(0, n, [&](long long j) {
            return abc[0][j] >= b;
        });

        auto result_c = bsearch(0, n, [&](long long j) {
            return abc[2][j] > b;
        });

        ans += result_a.second * (n - result_c.second);
    }

    cout << ans << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:55:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   55 |         sort(abc[i].begin(), abc[i].end());
      |         ^~~~
      |         short
Language: C++

#include <iostream>
#include <string>
#include <algorithm>
#include <cmath>
#include <cstdlib>
#include <vector>
#include <map>
#include <queue> 
#include <stack>

using namespace std;
typedef long long ll;
#define rep(i, s, e) for (int(i) = (s); (i) <= (e); ++(i))
#define all(x) x.begin(),x.end()


int main()
{
	int n;cin>>n;
	vector<int> a(n),b(n),c(n);
	rep(i,0,n-1)cin>>a[i];
	rep(i,0,n-1)cin>>b[i];
	rep(i,0,n-1)cin>>c[i];
	sort(all(a));
	sort(all(b));
	sort(all(c));
	int ans = 0;
	rep(i,0,n-1){
		ans += (lower_bound(all(a), b[i]) - a.begin()) * (c.end() - upper_bound(all(c), b[i]))
	}
	cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:103: error: expected ';' before '}' token
   29 |                 ans += (lower_bound(all(a), b[i]) - a.begin()) * (c.end() - upper_bound(all(c), b[i]))
      |                                                                                                       ^
      |                                                                                                       ;
   30 |         }
      |         ~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main(){
  int n;cin>>n;
  vector<int> a(n),b(n),c(n);
  for(int i = 0; n > i; i++)cin>>a[i];
  for(int i = 0; n > i; i++)cin>>b[i];
  for(int i = 0; n > i; i++)cin>>c[i];
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  sort(c.begin(),c.end());
  int ans = 0;
  for(int i = 0; n > i; i++){
    
    ans += (int)upper_bound(a.begin(),a.end(),b[i])-a.begin();
    ans += (int)c.end()-lower_bound(c.begin(),c.end(),b[i]);
  }
  cout << ans << endl;
}
    

Compiler output:
a.cc: In function 'int main()':
a.cc:17:12: error: invalid cast from type '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to type 'int'
   17 |     ans += (int)upper_bound(a.begin(),a.end(),b[i])-a.begin();
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:18:12: error: invalid cast from type 'std::vector<int>::iterator' to type 'int'
   18 |     ans += (int)c.end()-lower_bound(c.begin(),c.end(),b[i]);
      |            ^~~~~~~~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main(){
  int n;cin>>n;
  for(int i = 0; n > i; i++)cin>>a[i];
  for(int i = 0; n > i; i++)cin>>b[i];
  for(int i = 0; n > i; i++)cin>>c[i];
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  sort(c.begin(),c.end());
  int ans = 0;
  for(int i = 0; n > i; i++){
    
    ans += (int)upper_bound(a.begin(),a.end(),b[i])-a.begin();
    ans += (int)c.end()-lower_bound(c.begin(),c.end(),b[i]);
  }
  cout << ans << endl;
}
    

Compiler output:
a.cc: In function 'int main()':
a.cc:7:34: error: 'a' was not declared in this scope
    7 |   for(int i = 0; n > i; i++)cin>>a[i];
      |                                  ^
a.cc:8:34: error: 'b' was not declared in this scope
    8 |   for(int i = 0; n > i; i++)cin>>b[i];
      |                                  ^
a.cc:9:34: error: 'c' was not declared in this scope
    9 |   for(int i = 0; n > i; i++)cin>>c[i];
      |                                  ^
a.cc:10:8: error: 'a' was not declared in this scope
   10 |   sort(a.begin(),a.end());
      |        ^
a.cc:11:8: error: 'b' was not declared in this scope
   11 |   sort(b.begin(),b.end());
      |        ^
a.cc:12:8: error: 'c' was not declared in this scope
   12 |   sort(c.begin(),c.end());
      |        ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  long a[n];
  long b[n];
  long c[n];
  int i,j;
  for(i=0;i<n;i++){
    cin >> a[i];
  }
  for(i=0;i<n;i++){
    cin >> b[i];
  }
  for(i=0;i<n;i++){
    cin >> c[i];
  }
  sort(a,a+n);
  sort(b,b+n);
  sort(c,c+n);

  int tmpi,tmpj;
  int ri,rj;
  long ans = 0;
  
  for(i=0;i<n;i++){
    if(b[n-1]>a[i])tmpi = lower_bound(b,a[i]);
    else tmpi = n;
    for(j=tmpi;j<n;j++){
      if(c[n-1]>b[j])tmpj = lower_bound(c,b[j]);
      else tmpj = n;
      ans += n-tmpj;
    }
  }

cout << ans;

  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:38: error: no matching function for call to 'lower_bound(long int [n], long int&)'
   28 |     if(b[n-1]>a[i])tmpi = lower_bound(b,a[i]);
      |                           ~~~~~~~~~~~^~~~~~~~
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:1530:5: note: candidate: 'template<class _ForwardIterator, class _Tp> _ForwardIterator std::lower_bound(_ForwardIterator, _ForwardIterator, const _Tp&)'
 1530 |     lower_bound(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:1530:5: 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:1963:5: note: candidate: 'template<class _FIter, class _Tp, class _Compare> _FIter std::lower_bound(_FIter, _FIter, const _Tp&, _Compare)'
 1963 |     lower_bound(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:1963:5: note:   candidate expects 4 arguments, 2 provided
a.cc:31:40: error: no matching function for call to 'lower_bound(long int [n], long int&)'
   31 |       if(c[n-1]>b[j])tmpj = lower_bound(c,b[j]);
      |                             ~~~~~~~~~~~^~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:1530:5: note: candidate: 'template<class _ForwardIterator, class _Tp> _ForwardIterator std::lower_bound(_ForwardIterator, _ForwardIterator, const _Tp&)'
 1530 |     lower_bound(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:1530:5: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_algo.h:1963:5: note: candidate: 'template<class _FIter, class _Tp, class _Compare> _FIter std::lower_bound(_FIter, _FIter, const _Tp&, _Compare)'
 1963 |     lower_bound(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:1963:5: note:   candidate expects 4 arguments, 2 provided
Language: C++

#include<bits/stcd++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  long a[n];
  long b[n];
  long c[n];
  int i,j;
  for(i=0;i<n;i++){
    cin >> a[i];
  }
  for(i=0;i<n;i++){
    cin >> b[i];
  }
  for(i=0;i<n;i++){
    cin >> c[i];
  }
  sort(a,a+n);
  sort(b,b+n);
  sort(c,c+n);

  int tmpi,tmpj;
  int ri,rj;
  long ans = 0;
  
  for(i=0;i<n;i++){
    if(b[n-1]>a[i])tmpi = lower_bound(b,a[i]);
    else tmpi = n;
    for(j=tmpi;j<n;j++){
      if(c[n-1]>b[j])tmpj = lower_bound(c,b[j]);
      else tmpj = n;
      ans += n-tmpj;
    }
  }

cout << ans;

  
}

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

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

int main(){
  int n; cin>>n;
  int a[n],b[n],c[n],countA[n+1],countB[n+1];
  for(int i=0;i<n;i++){
    cin>>a[i];
    countA[i]=0;
    countB[i]=0;
  }for(int i=0;i<n;i++){
    cin>>b[i];
  }for(int i=0;i<n;i++){
    cin>>c[i];
  }sort(a,a+n);
  sort(b,b+n);
  sort(c,c+n);
  countA[n]=0; countB[n]=0;
  for(int i=0;i<n;i++){
    countB[i+1]=countB[i];
    for(int j=countB[i];j<n;j++){
      if(c[j]>b[i]) countB[i+1]++;
      else break;
    }
  }
  long long ans=0;
  for(int i=0;i<n;i++){
    countA[i+1]=countA[i]
    for(int j=countA[i];j<n;j++){
      if(b[j]>a[i]) countA[i+1]++;
      else break;
    }
    ans+=countA[i+1];
  }cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:26: error: expected ';' before 'for'
   28 |     countA[i+1]=countA[i]
      |                          ^
      |                          ;
   29 |     for(int j=countA[i];j<n;j++){
      |     ~~~                   
a.cc:29:25: error: 'j' was not declared in this scope
   29 |     for(int j=countA[i];j<n;j++){
      |                         ^
Language: C++

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

using ll=long long;
using int64=int64_t;
const int inf=100000000;

int in(){
  int a;
  cin >> a;
  return a;
}//int型関数の受け取り

void forin(int* x,int y){
  for (int i=0;i<y;i++){
    cin >> x[i];
  }
}//(x,y) int型配列x[y]の受け取り

int intpow(int x,int y){
  double a=x,b=y;
  return pow(a,b);
}//(x,y) xをy乗

int intfabs(int x){
  double a=x;
  return fabs(a);
}//(x) xの絶対値

int fact(int x){
  if (x == 1) return 1;
  return x*fact(x-1);
}//(x) x!

int fib(int x){
  if (x <= 2) return x;
  int a[x];
  a[0]=1;
  a[1]=2;
  for (int i=2;i<x;i++){
    a[i]=a[i-1]+a[i-2];
  }
  return a[x-1];
}//(x) フィボナッチ数列のx番目

int div1(ll x){
  return x%1000000007;
}

main(){
    int n=in();
    vector<int> a(n),b(n),c(n);
    for (int i=0;i<n;i++) cin >> a[i];
    for (int i=0;i<n;i++) cin >> b[i];
    for (int i=0;i<n;i++) cin >> c[i];
    sort(a.begin(),a.end());
    sort(b.begin(),b.end());
    sort(c.begin(),c.end());
    int ans=0;
    for(int i=0;i<n;i++){
        a_n=lower_bound(a.begin(),a.end(),b[i])-a.begin();
        c_n=upper_bound(c.begin(),c.end(),b[i])-c.begin();
        ans+=a_n*c_n;
    }
    cout << ans << endl;
}


Compiler output:
a.cc:50:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   50 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:61:9: error: 'a_n' was not declared in this scope
   61 |         a_n=lower_bound(a.begin(),a.end(),b[i])-a.begin();
      |         ^~~
a.cc:62:9: error: 'c_n' was not declared in this scope
   62 |         c_n=upper_bound(c.begin(),c.end(),b[i])-c.begin();
      |         ^~~
Language: C++

#include<bits/stdc++.h>
typedef long long int ll;
using namespace std;
#define rep(i, n) for(ll i = 0; i < (n); i++)
int main(){
  ios::sync_with_stdio(false);
  ll n;
  cin>>n;
  vector<ll> a(n),b(n),c(n);
  rep(i,n) cin>>a[i];
  rep(i,n) cin>>b[i];
  rep(i,n) cin>>c[i];
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  sort(c.begin(),c.end());
  ll cnt=0;
  for(ll i=0;i<n;i++){
    ll x = (ll)(lower_bound(a.begin(),a.end(),b[i])-a.begin());
    ll y = (ll)(c.end()-upper_bound(c.begin(),c.end(),b[i]));
    cnt+=x*y;
  }
  cout<<cnt<<\n;


}


Compiler output:
a.cc:22:14: error: stray '\' in program
   22 |   cout<<cnt<<\n;
      |              ^
Language: C++

#include<bits/stdc++.h>
typedef long long int ll;
using namespace std;
#define rep(i, n) for(ll i = 0; i < (n); i++)
int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  ll n;
  cin>>n;
  vector<ll> a(n),b(n),c(n);
  rep(i,n) cin>>a[i];
  rep(i,n) cin>>b[i];
  rep(i,n) cin>>c[i];
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  sort(c.begin(),c.end());
  ll cnt=0;
  for(ll i=0;i<n;i++){
    ll x = (ll)(lower_bound(a.begin(),a.end(),b[i])-a.begin());
    ll y = (ll)(c.end()-upper_bound(c.begin(),c.end(),b[i]));
    cnt+=x*y;
  }
  cout<<cnt<<\n;


}


Compiler output:
a.cc:23:14: error: stray '\' in program
   23 |   cout<<cnt<<\n;
      |              ^
Language: C++

#include<bits/stdc++.h>
typedef long long int ll;
using namespace std;
#define rep(i, n) for(ll i = 0; i < (n); i++)
int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  ll n;
  cin>>n;
  vector<ll> a(n),b(n),c(n);
  rep(i,n) cin>>a[i];
  rep(i,n) cin>>b[i];
  rep(i,n) cin>>c[i];
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  sort(c.begin(),c.end());
  ll cnt=0;
  for(ll i=0;i<n;i++){
    ll x = (ll)(lower_bound(a.begin(),a.end(),b[i])-a.begin());
    ll y = (ll)(c.end()-upper_bound(c.begin(),c.end(),b[i]));
    cnt+=x*y;
  }
  cout<<cnt\n;


}


Compiler output:
a.cc:23:12: error: stray '\' in program
   23 |   cout<<cnt\n;
      |            ^
a.cc: In function 'int main()':
a.cc:23:12: error: expected ';' before 'n'
   23 |   cout<<cnt\n;
      |            ^~
      |            ;
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;
    vector<int> a(n),b(n),c(n);
    rep(i,n) cin >> a[i];
    rep(i,n) cin >> b[i];
    rep(i,n) cin >> c[i];
    sort(a.begin(),a.end());
    sort(c.begin(),c.end());
    int ans=0;
    rep(i,n){
        auto itr=upper_bound(c.begin(),c.end(),b[i]);
        int ng = distance(itr,b.end());
        auto itr2=lower_bound(a.begin(),a.end(),b[j]);
        int sg = distance(itr2,c.end());
        ans+=ng*(n-sg);
         }
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:51: error: 'j' was not declared in this scope
   17 |         auto itr2=lower_bound(a.begin(),a.end(),b[j]);
      |                                                   ^
a.cc: At global scope:
a.cc:22:5: error: 'cout' does not name a type
   22 |     cout << ans << endl;
      |     ^~~~
a.cc:23:5: error: expected unqualified-id before 'return'
   23 |     return 0;
      |     ^~~~~~
a.cc:24:1: error: expected declaration before '}' token
   24 | }
      | ^
Language: Java

import java.util.Arrays;
import java.util.Scanner;

public class C{
    static Scanner sc = new Scanner(System.in);
    static int n = sc.nextInt();
    static int[] a = new int[n];
    static int[] b = new int[n];
    static int[] c = new int[n];

    public static void main(String[] args){
        for (int i=0; i<n; i++) a[i] = sc.nextInt();
        Arrays.sort(a);
        for (int i=0; i<n; i++) b[i] = sc.nextInt();
        Arrays.sort(b);
        for (int i=0; i<n; i++) c[i] = sc.nextInt();
        Arrays.sort(c);

        long ans = 0;

        for (int i=0; i<n; i++){
            long low = lowerBound(a, b[i]);
            long up = n-upperBound(c, b[i]);
            long tmp = low*up;
            ans += tmp;
        }

        System.out.println(ans);

    }

    public static int lowerBound(int[] array, int value) {
        int left = 0;
        int right = array.length;
        while (right - left > 1) {
            int middle = (right + left) / 2;
            if (array[middle] >= value) {
                right = middle;
            } else {
                left = middle;
            }
        }
//        System.out.println(right);
        return left;
    }

    public static int upperBound(int[] array, int value) {
        int left = 0;
        int right = array.length;
        while (right - left > 1) {
            int middle = (right + left) / 2;
            if (array[middle] > value) {
                right = middle;
            } else {
                left = middle;
            }
        }
//        System.out.println(right);
        return left;
    }

}

Compiler output:
Main.java:4: error: class C is public, should be declared in a file named C.java
public class C{
       ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> lpair;
const ll MOD = 1e9 + 7;
const ll INF = 1e18;
const int inf = 1e9;
#define REP(i,m,n) for(int i=(int)(m) ; i < (int) (n) ; ++i )
#define rep(i,n) REP(i,0,n)
#define rREP(i,m,n) for(ll i = (m); i >= (n); i--)
#define print(x) cout << (x) << endl;
#define printa(x,n) for(ll i = 0; i < n; i++){ cout << (x[i]) << " ";} cout<<endl;




int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    int n;cin >> n;
    ll a[n], b[n], c[n];
    rep(i,n) cin >> a[i];
    rep(i,n) cin >> b[i];
    rep(i,n) cin >> c[i];

    sort(a, a+n);
    sort(b, b+n);
    sort(c, c+n);
    ll ans = 0;
    rep(i,n)
    {
        int tmpa = lower_bound(a.begin(), a.end(), b[i]) - a.begin();
        int tmpc = n - (upper_bound(c.begin(), c.end(), b[i]) - c.begin());
        ans += tmpa*tmpc;
    }

    cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:33:34: error: request for member 'begin' in 'a', which is of non-class type 'll [n]' {aka 'long long int [n]'}
   33 |         int tmpa = lower_bound(a.begin(), a.end(), b[i]) - a.begin();
      |                                  ^~~~~
a.cc:33:45: error: request for member 'end' in 'a', which is of non-class type 'll [n]' {aka 'long long int [n]'}
   33 |         int tmpa = lower_bound(a.begin(), a.end(), b[i]) - a.begin();
      |                                             ^~~
a.cc:33:62: error: request for member 'begin' in 'a', which is of non-class type 'll [n]' {aka 'long long int [n]'}
   33 |         int tmpa = lower_bound(a.begin(), a.end(), b[i]) - a.begin();
      |                                                              ^~~~~
a.cc:34:39: error: request for member 'begin' in 'c', which is of non-class type 'll [n]' {aka 'long long int [n]'}
   34 |         int tmpc = n - (upper_bound(c.begin(), c.end(), b[i]) - c.begin());
      |                                       ^~~~~
a.cc:34:50: error: request for member 'end' in 'c', which is of non-class type 'll [n]' {aka 'long long int [n]'}
   34 |         int tmpc = n - (upper_bound(c.begin(), c.end(), b[i]) - c.begin());
      |                                                  ^~~
a.cc:34:67: error: request for member 'begin' in 'c', which is of non-class type 'll [n]' {aka 'long long int [n]'}
   34 |         int tmpc = n - (upper_bound(c.begin(), c.end(), b[i]) - c.begin());
      |                                                                   ^~~~~
Language: C++

#include <bits/stdc++.h>
#define INF 1100000000
#define ll  long long
#define ull unsigned long long
#define rep(i,n) for(ll i=0; i<n; ++i)
#define MOD 1000000007
using namespace std;
template<class T> inline bool chmin(T& a, T b) { if(a>b) {a=b; return true;} return false;}
template<class T> inline bool chmax(T& a, T b) { if(a<b) {a=b; return true;} return false;}

int main() {
  ll N; cin >> N;
  vector<ll> A(N),B(N),C(N);
  rep(i,N) cin >> A[i];
  sort(A.begin(), A.end());
  rep(i,N) cin >> B[i];
  rep(i,N) cin >> C[i];
  sort(C.begin(), C.end());

  ll ans = 0;
  rep(i, N) {
    ll a = distance(A.begin(), lower_bound(A.begin(), A.end(), B[i]));
    ll b = distance(upper_bound(C.begin(), C.end(), B[i]), C.end());
    ans += a*b;
  }
  cout << ans << endl;
}
`

Compiler output:
a.cc:28:1: error: stray '`' in program
   28 | `
      | ^