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

#pragma GCC optimize ("O3")
#include <bits/stdc++.h>
#define ll long long
#define ld long double
using namespace std;
ll n, ans, x;
vector<ll>a, b, c;
ll between(int s, int e, vector<ll> &v){
    auto l = lower_bound(v.begin(),v.end(),s) - v.begin();
    auto r = upper_bound(v.begin(),v.end(),e) - v.begin();
    if(v[0] > e || v.back() < s)
        return 0;
    return max(r - l, 0ll);
}
int main()
{
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    cin >> n;
    for(int i = 0; i < n; i++)
        cin >> x, a.push_back(x);
    for(int i = 0; i < n; i++)
        cin >> x, b.push_back(x);
    for(int i = 0; i < n; i++)
        cin >> x, c.push_back(x);
    sort(a.begin(), a.end());
    sort(b.begin(), b.end());
    sort(c.begin(), c.end());
    for(int i = 0; i < n; i++){
        ans += between(0, b[i] - 1, a) * between(b[i] + 1, 1e9 + 5, c);
    }
    cout << ans;
    return 0;
}


Compiler output:
a.cc: In function 'long long int between(int, int, std::vector<long long int>&)':
a.cc:13:15: error: no matching function for call to 'max(long int, long long int)'
   13 |     return max(r - l, 0ll);
      |            ~~~^~~~~~~~~~~~
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:2:
/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:13:15: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'long long int')
   13 |     return max(r - l, 0ll);
      |            ~~~^~~~~~~~~~~~
/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:13:15: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   13 |     return max(r - l, 0ll);
      |            ~~~^~~~~~~~~~~~
Language: C++

#pragma GCC optimize ("O3")
#include <bits/stdc++.h>
#define ll long long
#define ld long double
using namespace std;
ll n, ans, x;
vector<ll>a, b, c;
ll between(int s, int e, vector<ll> &v){
    auto l = lower_bound(v.begin(),v.end(),s) - v.begin();
    auto r = upper_bound(v.begin(),v.end(),e) - v.begin();
    if(v[0] > e || v.back() < s)
        return 0;
    return max(r - l, ll0);
}
int main()
{
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    cin >> n;
    for(int i = 0; i < n; i++)
        cin >> x, a.push_back(x);
    for(int i = 0; i < n; i++)
        cin >> x, b.push_back(x);
    for(int i = 0; i < n; i++)
        cin >> x, c.push_back(x);
    sort(a.begin(), a.end());
    sort(b.begin(), b.end());
    sort(c.begin(), c.end());
    for(int i = 0; i < n; i++){
        ans += between(0, b[i] - 1, a) * between(b[i] + 1, 1e9 + 5, c);
    }
    cout << ans;
    return 0;
}


Compiler output:
a.cc: In function 'long long int between(int, int, std::vector<long long int>&)':
a.cc:13:23: error: 'll0' was not declared in this scope; did you mean 'll'?
   13 |     return max(r - l, ll0);
      |                       ^~~
      |                       ll
Language: C++

#pragma GCC optimize ("O3")
#include <bits/stdc++.h>
#define ll long long
#define ld long double
using namespace std;
ll n, ans, x;
vector<ll>a, b, c;
ll between(int s, int e, vector<ll> &v){
    auto l = lower_bound(v.begin(),v.end(),s) - v.begin();
    auto r = upper_bound(v.begin(),v.end(),e) - v.begin();
    if(v[0] > e || v.back() < s)
        return 0;
    return max(r-l,0);
}
int main()
{
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    cin >> n;
    for(int i = 0; i < n; i++)
        cin >> x, a.push_back(x);
    for(int i = 0; i < n; i++)
        cin >> x, b.push_back(x);
    for(int i = 0; i < n; i++)
        cin >> x, c.push_back(x);
    sort(a.begin(), a.end());
    sort(b.begin(), b.end());
    sort(c.begin(), c.end());
    for(int i = 0; i < n; i++){
        ans += between(0, b[i] - 1, a) * between(b[i] + 1, 1e9 + 5, c);
    }
    cout << ans;
    return 0;
}


Compiler output:
a.cc: In function 'long long int between(int, int, std::vector<long long int>&)':
a.cc:13:15: error: no matching function for call to 'max(long int, int)'
   13 |     return max(r-l,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:2:
/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:13:15: note:   deduced conflicting types for parameter 'const _Tp' ('long int' and 'int')
   13 |     return max(r-l,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:13:15: note:   mismatched types 'std::initializer_list<_Tp>' and 'long int'
   13 |     return max(r-l,0);
      |            ~~~^~~~~~~
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <set>
#include <cmath>
#include <stdio.h>
#include <list>
#include <numeric>
#include <stack>
#include <queue>
#include <tuple>
#include <bitset>
#include <map>
#include <math.h>
 
using namespace std;
 
#define rep(i,n) for(int i = 0; i < (n); i++)
#define all(a) begin(a),end(a)
 
typedef long long ll;
typedef pair<int,int> P;
const int inf=1000000007;
const ll mod=1000000007;
const double PI=3.14159265358979323846;
 
int dx[] = {1,-1,0,0};
int dy[] = {0,0,1,-1};
 
ll gcd(ll a, ll b){
  if (b==0) return a;
  else return gcd(b,a%b);
}
 
int cans(bool f){
  if(f) cout << "Yes" << endl;
  else cout << "No" << endl;
  return 0;
}
 
 
int N;

int main()
{
  cin >> N;

  vi 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(all(A));
  sort(all(B));
  sort(all(C));

  int ans = 0;

  rep(i, N) {
    int l = lower_bound(all(A), B[i]) - begin(A);
    int r = N - (upper_bound(all(C), B[i]) - begin(C));

    ans += l * r;
  }

  cout << ans << endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:49:3: error: 'vi' was not declared in this scope
   49 |   vi A(N),B(N),C(N);
      |   ^~
a.cc:51:16: error: 'A' was not declared in this scope
   51 |   rep(i,N)cin>>A[i];
      |                ^
a.cc:52:16: error: 'B' was not declared in this scope
   52 |   rep(i,N)cin>>B[i];
      |                ^
a.cc:53:16: error: 'C' was not declared in this scope
   53 |   rep(i,N)cin>>C[i];
      |                ^
a.cc:55:12: error: 'A' was not declared in this scope
   55 |   sort(all(A));
      |            ^
a.cc:20:22: note: in definition of macro 'all'
   20 | #define all(a) begin(a),end(a)
      |                      ^
a.cc:56:12: error: 'B' was not declared in this scope
   56 |   sort(all(B));
      |            ^
a.cc:20:22: note: in definition of macro 'all'
   20 | #define all(a) begin(a),end(a)
      |                      ^
a.cc:57:12: error: 'C' was not declared in this scope
   57 |   sort(all(C));
      |            ^
a.cc:20:22: note: in definition of macro 'all'
   20 | #define all(a) begin(a),end(a)
      |                      ^
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <set>
#include <cmath>
#include <stdio.h>
#include <list>
#include <numeric>
#include <stack>
#include <queue>
#include <tuple>
#include <bitset>
#include <map>
#include <math.h>
//　ceil(a/b)   (a + (b - 1))/ b
using namespace std;
#define rep(i,n) for(int i = 0; i < (n); i++)
typedef long long ll;
typedef pair<int,int> P;
const int inf=1000000007;
const ll mod=1000000007;
const double PI=3.14159265358979323846;
int dx[] = {1,-1,0,0};
int dy[] = {0,0,1,-1};

ll gcd(ll a, ll b){
  if (b==0) return a;
  else return gcd(b,a%b);
}

int cans(bool f){
  if(f) cout << "Yes" << endl;
  else cout << "No" << endl;
  return 0;
}





int main(){
  int N;
  cin >> N;
  ll a[N],b[N],c[N];
  rep(i,N) cin >> a[i];sort(a,a+N);
  rep(i,N) cin >> b[i];sort(b,b+N);
  rep(i,N) cin >> c[i];sort(c,c+N);

  ll ans = 0;

  rep(i,N) {
    int na = lower_bound(a,a+N,b[i]) - a;
    int nc = N - (upper_bound(c,c+N,b[i] - c);
    ans += na * nc;

    // cout << na << nc << endl;
  }

  cout << ans << endl;
  
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:54:42: error: invalid operands of types 'll' {aka 'long long int'} and 'll [N]' {aka 'long long int [N]'} to binary 'operator-'
   54 |     int nc = N - (upper_bound(c,c+N,b[i] - c);
      |                                     ~~~~ ^ ~
      |                                        |   |
      |                                        |   ll [N] {aka long long int [N]}
      |                                        ll {aka long long int}
a.cc:54:46: error: expected ')' before ';' token
   54 |     int nc = N - (upper_bound(c,c+N,b[i] - c);
      |                  ~                           ^
      |                                              )
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define ll int64_t
#define all(v) v.begin(), v.end()
#define bitrep(n) for(int bit=0;bit<(1<<n);bit++)
#define Graph vector<vector<int>>
 
int binary_search_under(vector<int> A, int key){//めぐる式（要復習)//ngとokは下側を残したいか上側を残したいかで調整すること(okは残したい側からスタート)
  int ng = (int)A.size(); //「index = a.size()-1」が条件を満たすこともあるので、初期値は A.size()
    int ok = -1; //「index = 0」が条件を満たさないこともあるので、初期値は -1
 
    /* ok と ng のどちらが大きいかわからないことを考慮 */
    while (abs(ok - ng) > 1) {
        int mid = (ok + ng) / 2;
 
        if (A[mid]<=key) ok = mid;//ここの分岐を変えるだけで求める境界をkeyより大きい最小か、keyより小さい最大かなど多彩に変化させられる(今回はkeyより小さいから<=key)
        else ng = mid;
    }
    return ok;
}//今回はkey以下になる最大のindexを返す
 
int binary_search_over(vector<int> A, int key){//めぐる式（要復習)//ngとokは下側を残したいか上側を残したいかで調整すること(okは残したい側からスタート)
  int ng = -1; //「index = 0」が条件を満たすこともあるので、初期値は -1
    int ok = (int)A.size(); // 「index = a.size()-1」が条件を満たさないこともあるので、初期値は a.size()
 
    /* ok と ng のどちらが大きいかわからないことを考慮 */
    while (abs(ok - ng) > 1) {
        int mid = (ok + ng) / 2;
 
        if (A[mid]>=key) ok = mid;//ここの分岐を変えるだけで求める境界をkeyより大きい最小か、keyより小さい最大かなど多彩に変化させられる(今回はkeyより大きいから>=key)
        else ng = mid;
    }
    return ok;
}//今回はkey以上になる最大のindexを返す
 
 
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];//入力終了
 
  sort(all(A)); sort(all(C));//昇順
 
  ll ans=0;  
 
  rep(i,N){
    auto a=binary_search_under(all(A),B[i]),b=binary_search_over(all(C),B[i]);
    ans+=(lower_bound(all(A),B[i])-A.begin())*(N-b-1);
  }
 
  cout << ans <<endl;
 
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:23: error: could not convert 'A.std::vector<int>::begin()' from 'std::vector<int>::iterator' to 'std::vector<int>'
    5 | #define all(v) v.begin(), v.end()
      |                       ^
      |                       |
      |                       std::vector<int>::iterator
a.cc:55:32: note: in expansion of macro 'all'
   55 |     auto a=binary_search_under(all(A),B[i]),b=binary_search_over(all(C),B[i]);
      |                                ^~~
a.cc:56:50: error: 'b' was not declared in this scope
   56 |     ans+=(lower_bound(all(A),B[i])-A.begin())*(N-b-1);
      |                                                  ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define ll int64_t
#define all(v) v.begin(), v.end()
#define bitrep(n) for(int bit=0;bit<(1<<n);bit++)
#define Graph vector<vector<int>>
 
int binary_search_under(vector<int> A, int key){//めぐる式（要復習)//ngとokは下側を残したいか上側を残したいかで調整すること(okは残したい側からスタート)
  int ng = (int)A.size(); //「index = a.size()-1」が条件を満たすこともあるので、初期値は A.size()
    int ok = -1; //「index = 0」が条件を満たさないこともあるので、初期値は -1
 
    /* ok と ng のどちらが大きいかわからないことを考慮 */
    while (abs(ok - ng) > 1) {
        int mid = (ok + ng) / 2;
 
        if (A[mid]<=key) ok = mid;//ここの分岐を変えるだけで求める境界をkeyより大きい最小か、keyより小さい最大かなど多彩に変化させられる(今回はkeyより小さいから<=key)
        else ng = mid;
    }
    return ok;
}//今回はkey以下になる最大のindexを返す
 
int binary_search_over(vector<int> A, int key){//めぐる式（要復習)//ngとokは下側を残したいか上側を残したいかで調整すること(okは残したい側からスタート)
  int ng = -1; //「index = 0」が条件を満たすこともあるので、初期値は -1
    int ok = (int)A.size(); // 「index = a.size()-1」が条件を満たさないこともあるので、初期値は a.size()
 
    /* ok と ng のどちらが大きいかわからないことを考慮 */
    while (abs(ok - ng) > 1) {
        int mid = (ok + ng) / 2;
 
        if (A[mid]>=key) ok = mid;//ここの分岐を変えるだけで求める境界をkeyより大きい最小か、keyより小さい最大かなど多彩に変化させられる(今回はkeyより大きいから>=key)
        else ng = mid;
    }
    return ok;
}//今回はkey以上になる最大のindexを返す
 
 
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];//入力終了
 
  sort(all(A)); sort(all(C));//昇順
 
  ll ans=0;  
 
  rep(i,N){
    auto a=binary_search_under(all(A),B[i]),b=binary_search_over(all(C),B[i]);
    ans+=(lower_bound(all(A),B[i])-A.begin())*(C.end()-b);
  }
 
  cout << ans <<endl;
 
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:23: error: could not convert 'A.std::vector<int>::begin()' from 'std::vector<int>::iterator' to 'std::vector<int>'
    5 | #define all(v) v.begin(), v.end()
      |                       ^
      |                       |
      |                       std::vector<int>::iterator
a.cc:55:32: note: in expansion of macro 'all'
   55 |     auto a=binary_search_under(all(A),B[i]),b=binary_search_over(all(C),B[i]);
      |                                ^~~
a.cc:56:56: error: 'b' was not declared in this scope
   56 |     ans+=(lower_bound(all(A),B[i])-A.begin())*(C.end()-b);
      |                                                        ^
Language: Java

public class Main {
    static Scanner sc = new Scanner(System.in);
    public static void main(String[] args) {
        int n = getInt();
        int[] A = new int[n];
        int[] B = new int[n];
        int[] C = new int[n];
        long ans = 0;
        for(int i = 0; i < n; i++) A[i] = getInt();
        for(int i = 0; i < n; i++) B[i] = getInt();
        for(int i = 0; i < n; i++) C[i] = getInt();
        Arrays.sort(A);
        Arrays.sort(C);
        for(int i = 0; i < n; i++) {
            int a;
            int b;
            int l = 0;
            int u = n-1;
            int m = 0;
            while(l <= u) {
                m = (l + u) / 2;
                if(B[i] == A[m]) break;
                else if(A[m] < B[i]) l = m + 1;
                else u = m - 1;
            }
            if(B[i] == A[m] && m > 0) a = m;
            else if(l > n-1) a = n;
            else if(l > u && u >= 0) a = u+1;
            else continue;

            l = 0;
            u = n - 1;
            m = 0;
            while(l <= u) {
                m = (l + u) / 2;
                if(C[m] == B[i]) break;
                else if(C[m] < B[i]) l = m + 1;
                else u = m - 1;
            }
            if(C[m] == B[i] && m < n-1) b = n - m - 1;
            else if(u < 0) b = n;
            else if(l > u && l <= n-1) b = n - l;
            else continue;
            ans = ans + a*b;
        }
        System.out.println(ans);
    }
    static int getInt() {
        return Integer.parseInt(sc.next());
    }
}


Compiler output:
Main.java:2: error: cannot find symbol
    static Scanner sc = new Scanner(System.in);
           ^
  symbol:   class Scanner
  location: class Main
Main.java:2: error: cannot find symbol
    static Scanner sc = new Scanner(System.in);
                            ^
  symbol:   class Scanner
  location: class Main
Main.java:12: error: cannot find symbol
        Arrays.sort(A);
        ^
  symbol:   variable Arrays
  location: class Main
Main.java:13: error: cannot find symbol
        Arrays.sort(C);
        ^
  symbol:   variable Arrays
  location: class Main
4 errors
Language: C++

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

int main()
{
    int n;
    cin >> n;
    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(c.begin(), c.end());
    int ans = 0;
    for (int i = 0; i < n; i++)
    {
        int sum = 1;
        auto iter1 = lower_bound(a.begin(),a.end(),b[i]);
        auto iter2 = upper_bound(c.begin(),c.end(),b[i]);
        sum *= (iter1 - a.begin());
        sum *= (c.end() - iter2);
    }
    cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:13: error: 'sum' was not declared in this scope
   28 |     cout << sum << endl;
      |             ^~~
Language: C++

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

int main() {
  int N;
  cin>>N;
  vector<int> a(N);
for (int i = 0; i < N; i++) {
  cin >> a.at(i);
}
  vector<int> b(N);
for (int i = 0; i < N; i++) {
  cin >> b.at(i);
}
  vector<int> c(N);
for (int i = 0; i < N; i++) {
  cin >> c.at(i);
}
  sort(a.begin(), a.end());
  sort(c.begin(), c.end());
  int Z=0;
  for(int i=0;i<N;i++){
    int x=lower_bound(ALL(a), b.at(i))-a;
    int y=N-lower_bound(ALL(c), b.at(i)+1)-c;
    Z+=x*y;
  }
  cout<<Z<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:23: error: 'ALL' was not declared in this scope
   23 |     int x=lower_bound(ALL(a), b.at(i))-a;
      |                       ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }

int n;
int main() {
    cin >> n;
    vector<int> a(n, 0);
    for(int i = 0; i < n; ++i) cin >> a.at(i);
    vector<int> b(n, 0);
    for(int i = 0; i < n; ++i) cin >> b.at(i);
    vector<int> c(n, 0);
    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());

    long long ans = 0;
    for(int i = 0; i < n; ++i) {
        int center = b.at(i);
        int ano = lower_bound(a.begin(), a.end(), center) - a.begin();
        int alen = 0;
        int clen = 0;
        int cno = upper_bound(c.begin(), c.end(), center) - c.begin();
        long long total = 1*alen*clen;
        alen = ano;
        clen = n-cno;
        long long total = alen*clen;
        ans += total; 
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:19: error: redeclaration of 'long long int total'
   29 |         long long total = alen*clen;
      |                   ^~~~~
a.cc:26:19: note: 'long long int total' previously declared here
   26 |         long long total = 1*alen*clen;
      |                   ^~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(ll i = 0; i < n; i++)
#define rep1(i, n) for(ll i = 1; i < n+1; i++)
#define sort(A) sort(A.begin(),A.end())
#define reverse(A) reverse(A.begin(),A.end());
#define vecmin(A) *min_element(A.begin(),A.end());
#define vecmax(A) *max_element(A.begin(),A.end());
typedef long long ll;

int main(){
  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);
  sort(c);
  ll ans = 0;
  rep(i,n){
    ll ok = -1, ng = n;
    while(abs(ok - ng) > 1){
      ll cen = (ok + ng) / 2;
      if(a[cen] < b[i]) ok = cen;
      else ng = cen;
    }
    ll arange = ok + 1;
    
    ll ok = n, ng = -1;
    while(abs(ok - ng) > 1){
      ll cen = (ok + ng) / 2;
      if(c[cen] > b[i]) ok = cen;
      else ng = cen;
    }
    ll crange = n - ok;
    
    ans += arange * crange;
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:8: error: redeclaration of 'll ok'
   30 |     ll ok = n, ng = -1;
      |        ^~
a.cc:22:8: note: 'll ok' previously declared here
   22 |     ll ok = -1, ng = n;
      |        ^~
a.cc:30:16: error: redeclaration of 'll ng'
   30 |     ll ok = n, ng = -1;
      |                ^~
a.cc:22:17: note: 'll ng' previously declared here
   22 |     ll ok = -1, ng = n;
      |                 ^~
Language: C++

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

#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep1(i, n) for (int i = (int)(n)-1; i >=0; i--)

using ll = long long;

int main(){
  int n;
  cin>>n;
  vector<ll> a(n),b(n),c(n);
  rep(i,n)cin>>a.at(i);
  rep(i,n)cin>>b.at(i);
  rep(i,n)cin>>c.at(i);
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  sort(c.begin(),c.end());
  ll ans = 0;
  rep(j,n){
    auto na = lower_bound(a.begin(),a.end(),b.at(j)) ;
    auto nc =  upper_bound(c.begin(),c.end(),b.at(j));//

    auto aa = distance(na,a.begin());
    auto cc = distance(c.end(),nc);
    ans+=aa*cc;
  cout<<ans<<endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:2: error: expected '}' at end of input
   29 | }
      |  ^
a.cc:9:11: note: to match this '{'
    9 | int main(){
      |           ^
Language: C++

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

int cnt(int p, vector<int> &q){
    int as;
    int le = 0;
    int ri = q.size() - 1;
    int mid = (le + ri) / 2;
    if (p < q.at(0)){
        return 0;
    }
    else if (p >= q.at(ri)){
        return ri + 1;
    }
    while (p < q.at(mid) || p >= q.at(mid + 1)){
        if (p >= q.at(mid + 1)){
            le = mid;
        }
        else{
            ri = mid;
        }
        mid = (le + ri) / 2;
    }
    return mid + 1;
}

int main(){
    int n;
    cin >> n;
    vector<long long> a(n);
    vector<long long> b(n);
    vector<long long> c(n);
    rep(i, n){
        cin >> a.at(i);
    }
    rep(k, n){
        cin >> b.at(k);
    }
    rep(j, n){
        cin >> c.at(j);
    }
    sort(a.begin(), a.end());
    sort(b.begin(), b.end());
    sort(c.begin(), c.end());
    long long ans = 0;
    vector<long long> bb(n+1);
    bb.at(n) = 0;
    for (int g = 0; g < n; g++){
        bb.at(g) = n - cnt(b.at(g), c);
    }
    for (int h = n - 2; h >=0; h--){
        bb.at(h) += bb.at(h+1);
    }
    for (int l = 0; l < n; l++){
        ans += bb.at(cnt(a.at(l), b));
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:50:37: error: invalid initialization of reference of type 'std::vector<int>&' from expression of type 'std::vector<long long int>'
   50 |         bb.at(g) = n - cnt(b.at(g), c);
      |                                     ^
a.cc:5:29: note: in passing argument 2 of 'int cnt(int, std::vector<int>&)'
    5 | int cnt(int p, vector<int> &q){
      |                ~~~~~~~~~~~~~^
a.cc:56:35: error: invalid initialization of reference of type 'std::vector<int>&' from expression of type 'std::vector<long long int>'
   56 |         ans += bb.at(cnt(a.at(l), b));
      |                                   ^
a.cc:5:29: note: in passing argument 2 of 'int cnt(int, std::vector<int>&)'
    5 | int cnt(int p, vector<int> &q){
      |                ~~~~~~~~~~~~~^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
int k();
int main(){
  int n;
  cin >> n;
  vector<int> a(n),b(n),c(n);
  rep(i,3){
    rep(j,n){
      int tmp;
      scanf("%d"&tmp);
      if (i==0) a[j]=tmp;
      else if (i==1) b[j]=tmp;
      else c[j]=tmp;
    }
  }
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  sort(c.begin(),c.end());
}  

Compiler output:
a.cc: In function 'int main()':
a.cc:12:17: error: invalid operands of types 'const char [3]' and 'int' to binary 'operator&'
   12 |       scanf("%d"&tmp);
      |             ~~~~^~~~
      |             |    |
      |             |    int
      |             const char [3]
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>
using namespace std;

int N;
vector<int> A, B, C;

int main()
{
  cin >> N;
  A.resize(N);
  B.resize(N);
  C.resize(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 b = 0; b < N; b++)
  {
    vector<int>::iterator a_lb_it = lower_bound(A.begin(), A.end(), B[b]);
    int a_lb_index = a_lb_it - A.begin();

    vector<int>::iterator c_ub_it = upper_bound(C.begin(), C.end(), B[b]);
    int c_ub_index = c_ub_it - C.begin();

    ans += a_lb_index * (N - c_ub_index);
  }

  cout << ans << endl;
}
#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>
using namespace std;

int N;
vector<int> A, B, C;

int main()
{
  cin >> N;
  A.resize(N);
  B.resize(N);
  C.resize(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());

  long long int ans = 0;

  for (int b = 0; b < N; b++)
  {
    vector<int>::iterator a_lb_it = lower_bound(A.begin(), A.end(), B[b]);
    int a_lb_index = a_lb_it - A.begin();

    vector<int>::iterator c_ub_it = upper_bound(C.begin(), C.end(), B[b]);
    int c_ub_index = c_ub_it - C.begin();

    ans += a_lb_index * (N - c_ub_index);
  }

  cout << ans << endl;
}

Compiler output:
a.cc:54:5: error: redefinition of 'int N'
   54 | int N;
      |     ^
a.cc:7:5: note: 'int N' previously declared here
    7 | int N;
      |     ^
a.cc:55:13: error: redefinition of 'std::vector<int> A'
   55 | vector<int> A, B, C;
      |             ^
a.cc:8:13: note: 'std::vector<int> A' previously declared here
    8 | vector<int> A, B, C;
      |             ^
a.cc:55:16: error: redefinition of 'std::vector<int> B'
   55 | vector<int> A, B, C;
      |                ^
a.cc:8:16: note: 'std::vector<int> B' previously declared here
    8 | vector<int> A, B, C;
      |                ^
a.cc:55:19: error: redefinition of 'std::vector<int> C'
   55 | vector<int> A, B, C;
      |                   ^
a.cc:8:19: note: 'std::vector<int> C' previously declared here
    8 | vector<int> A, B, C;
      |                   ^
a.cc:57:5: error: redefinition of 'int main()'
   57 | int main()
      |     ^~~~
a.cc:10:5: note: 'int main()' previously defined here
   10 | int main()
      |     ^~~~
Language: C++

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

    ll now_B, num_A, num_C, res = 0;
    ll idx_bound_A, idx_bound_C;

    for (ll i = 0; i < N; ++i) {
        now_B = B[i];
        num_A = 0;
        num_C = 0;

        // 1 段目: now_B 未満の数を求める
        auto iter_A = lower_bound(A.begin(), A.end(), now_B);
        idx_bound_A = distance(A.begin(), iter_A);
        num_A = (iter_A == A.end())? N: (idx_bound_A + 1) - 1;

        // 3 段目: now_B より大きい数
        auto iter_C = upper_bound(C.begin(), C.end(), now_B);
        idx_bound_C = distance(C.begin(), iter_C);
        num_C = (iter_C == C.end())? 0: N - idx_bound_C;

        res += num_A*num_C;
    }

    cout << res << "\n";

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:24: error: 'N' was not declared in this scope
   30 |     for (ll i = 0; i < N; ++i) {
      |                        ^
a.cc:31:17: error: 'B' was not declared in this scope
   31 |         now_B = B[i];
      |                 ^
a.cc:36:35: error: 'A' was not declared in this scope
   36 |         auto iter_A = lower_bound(A.begin(), A.end(), now_B);
      |                                   ^
a.cc:41:35: error: 'C' was not declared in this scope
   41 |         auto iter_C = upper_bound(C.begin(), C.end(), now_B);
      |                                   ^
Language: C++

#include<iostream>
#include<stdio.h>
#include<algorithm>
#include<string.h>
#include<ctype.h>
#include<stdlib.h>
#define ll long long
using namespace std;
int main()
{
    int a[100005],b[100005],c[100005];
    int n;
    cin>>n;
    for(int i=0; i<n; i++)
        scanf("%d",&a[i]);
    for(int i=0; i<n; i++)
        scanf("%d",&b[i]);
    for(int i=0; i<n; i++)
        scanf("%d",&c[i]);
    sort(a,a+n);
    sort(b,b+n);
    sort(c,c+n);
    int ans=0;
    for(int i=n-1; i>=0; i--)
    {

        for(int k=n-1; k>=0 ;k--)
        {
            if(a[i]>=b[k])
                continue;
            for(int j=n-1; j>=0; j--)
            {
                if(ab[k]>=c[j])
                continue;
                if(a[i]<b[k]&&b[k]<c[j])
                    ans++;

            }
        }
    printf("%d\n",ans);
    return 0;

    }
}



Compiler output:
a.cc: In function 'int main()':
a.cc:33:20: error: 'ab' was not declared in this scope; did you mean 'b'?
   33 |                 if(ab[k]>=c[j])
      |                    ^~
      |                    b
Language: C++

#include <bits/stdc++.h>
#include <algorithm>
using namespace std;
int main(){
  int N,b=0,c=0,x=0;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());
  for(int i=0;i<N;i++){
    if(A.at(i)>B.at(N-1))break;
    b=upper_bound(B.begin()+b,B.end(),A.at(i));
    c=0;
     for(int j=b;j<N;j++){
       if(B.at(j)>C.at(N-1))break;
       c=upper_bound(C.begin()+c,C.end(),B.at(j));
       x+=N-c;
     }
  }
  cout<<x<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:18: error: cannot convert '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to 'int' in assignment
   14 |     b=upper_bound(B.begin()+b,B.end(),A.at(i));
      |       ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                  |
      |                  __gnu_cxx::__normal_iterator<int*, std::vector<int> >
a.cc:18:21: error: cannot convert '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to 'int' in assignment
   18 |        c=upper_bound(C.begin()+c,C.end(),B.at(j));
      |          ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     |
      |                     __gnu_cxx::__normal_iterator<int*, std::vector<int> >
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N,b=0,c=0,x=0;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());
  for(int i=0;i<N;i++){
    if(A.at(i)>B.at(N-1))break;
    b=upper_bound(B.begin()+b,B.end(),A.at(i));
    c=0;
     for(int j=b;j<N;j++){
       if(B.at(j)>C.at(N-1))break;
       c=upper_bound(C.begin()+c,C.end(),B.at(j));
       x+=N-c;
     }
  }
  cout<<x<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:18: error: cannot convert '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to 'int' in assignment
   13 |     b=upper_bound(B.begin()+b,B.end(),A.at(i));
      |       ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                  |
      |                  __gnu_cxx::__normal_iterator<int*, std::vector<int> >
a.cc:17:21: error: cannot convert '__gnu_cxx::__normal_iterator<int*, std::vector<int> >' to 'int' in assignment
   17 |        c=upper_bound(C.begin()+c,C.end(),B.at(j));
      |          ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     |
      |                     __gnu_cxx::__normal_iterator<int*, std::vector<int> >
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  long long int N,b=0,c=0,x=0;cin>>N;vector<long long int>A(N),B(N),C(N);
  for(long long int i=0;i<N;i++)cin>>A.at(i);
  for(long long int i=0;i<N;i++)cin>>B.at(i);
  for(long long 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());
  for(long long int i=0;i<N;i++){
    if(A.at(i)>B.at(N-1))break;
    b=upper_bound(B.begin()+b,B.end(),A.at(i));
    c=0;
     for(long long int j=b;j<N;j++){
       if(B.at(j)>C.at(N-1))break;
       c=upper_bound(C.begin()+c,C.end(),B.at(j));
       x+=N-c;
     }
  }
  cout<<x<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:18: error: cannot convert '__gnu_cxx::__normal_iterator<long long int*, std::vector<long long int> >' to 'long long int' in assignment
   13 |     b=upper_bound(B.begin()+b,B.end(),A.at(i));
      |       ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                  |
      |                  __gnu_cxx::__normal_iterator<long long int*, std::vector<long long int> >
a.cc:17:21: error: cannot convert '__gnu_cxx::__normal_iterator<long long int*, std::vector<long long int> >' to 'long long int' in assignment
   17 |        c=upper_bound(C.begin()+c,C.end(),B.at(j));
      |          ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                     |
      |                     __gnu_cxx::__normal_iterator<long long int*, std::vector<long long int> >
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  long long int N,b=0,c=0,x=0;cin>>N;vector<long long int>A(N),B(N),C(N);
  for(long long int i=0;i<N;i++)cin>>A.at(i);
  for(long long int i=0;i<N;i++)cin>>B.at(i);
  for(long long 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());
  for(long long int i=0;i<N;i++){
    if(A.at(i)>B.at(N-1))break;
    b=upper_bound(B,A.at(i));
    c=0;
     for(long long int j=b;j<N;j++){
       if(B.at(j)>C.at(N-1))break;
       c=upper_bound(C,B.at(j));
       x+=N-c;
     }
  }
  cout<<x<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:18: error: no matching function for call to 'upper_bound(std::vector<long long int>&, __gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type&)'
   13 |     b=upper_bound(B,A.at(i));
      |       ~~~~~~~~~~~^~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algo.h:2019:5: note: candidate: 'template<class _FIter, class _Tp> _FIter std::upper_bound(_FIter, _FIter, const _Tp&)'
 2019 |     upper_bound(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:2019:5: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_algo.h:2050:5: note: candidate: 'template<class _FIter, class _Tp, class _Compare> _FIter std::upper_bound(_FIter, _FIter, const _Tp&, _Compare)'
 2050 |     upper_bound(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:2050:5: note:   candidate expects 4 arguments, 2 provided
a.cc:17:21: error: no matching function for call to 'upper_bound(std::vector<long long int>&, __gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type&)'
   17 |        c=upper_bound(C,B.at(j));
      |          ~~~~~~~~~~~^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:2019:5: note: candidate: 'template<class _FIter, class _Tp> _FIter std::upper_bound(_FIter, _FIter, const _Tp&)'
 2019 |     upper_bound(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:2019:5: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_algo.h:2050:5: note: candidate: 'template<class _FIter, class _Tp, class _Compare> _FIter std::upper_bound(_FIter, _FIter, const _Tp&, _Compare)'
 2050 |     upper_bound(_ForwardIterator __first, _ForwardIterator __last,
      |     ^~~~~~~~~~~
/usr/include/c++/14/bits/stl_algo.h:2050:5: note:   candidate expects 4 arguments, 2 provided
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  long long int N,b=0,c=0,x=0;cin>>N;vector<long long int>A(N),B(N),C(N);
  for(long long int i=0;i<N;i++)cin>>A.at(i);
  for(long long int i=0;i<N;i++)cin>>B.at(i);
  for(long long 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());
  for(long long int i=0;i<N;i++){
    if(A.at(i)>B.at(N-1))break;
    b=upper_bound(ALL(B),A.at(i));
    c=0;
     for(long long int j=b;j<N;j++){
       if(B.at(j)>C.at(N-1))break;
       c=upper_bound(ALL(C),B.at(j));
       x+=N-c;
     }
  }
  cout<<x<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:19: error: 'ALL' was not declared in this scope
   13 |     b=upper_bound(ALL(B),A.at(i));
      |                   ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int f(vector<int>&X,int a,int p,int q){
  if(X.at(0)>a)return 0;
  if(X.at((p+q)/2-1)<=a&&a<X.at((p+q)/2))return (p+q)/2;
  else{
    if(X.at((p+q)/2-1>a)return f(X,a,p,(p+q)/2-1);
    else return f(X,a,(p+q)/2,q);
  }
}
int main(){
  int N,b=0,c=0,x=0;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());
  for(int i=0;i<N;i++){
    if(A.at(i)>B.at(N-1))break;
    b=f(B,A.at(i),b,N-1);
    c=0;
     for(int j=b;j<N;j++){
       if(B.at(j)>C.at(N-1))break;
       c=f(C,B.at(j),c,N-1);
       x+=N-c;
     }
  }
  cout<<x<<endl;
}

Compiler output:
a.cc: In function 'int f(std::vector<int>&, int, int, int)':
a.cc:7:25: error: expected ';' before 'return'
    7 |     if(X.at((p+q)/2-1>a)return f(X,a,p,(p+q)/2-1);
      |                         ^~~~~~
      |                         ;
a.cc:7:12: warning: ignoring return value of 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::at(size_type) [with _Tp = int; _Alloc = std::allocator<int>; reference = int&; size_type = long unsigned int]', declared with attribute 'nodiscard' [-Wunused-result]
    7 |     if(X.at((p+q)/2-1>a)return f(X,a,p,(p+q)/2-1);
      |        ~~~~^~~~~~~~~~~~~
In file included from /usr/include/c++/14/vector:66,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_vector.h:1180:7: note: declared here
 1180 |       at(size_type __n)
      |       ^~
a.cc:8:5: error: expected primary-expression before 'else'
    8 |     else return f(X,a,(p+q)/2,q);
      |     ^~~~
a.cc:7:51: error: expected ')' before 'else'
    7 |     if(X.at((p+q)/2-1>a)return f(X,a,p,(p+q)/2-1);
      |       ~                                           ^
      |                                                   )
    8 |     else return f(X,a,(p+q)/2,q);
      |     ~~~~                                           
a.cc:7:12: warning: control reaches end of non-void function [-Wreturn-type]
    7 |     if(X.at((p+q)/2-1>a)return f(X,a,p,(p+q)/2-1);
      |        ~~~~^~~~~~~~~~~~~
Language: C++

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

int main(void){
  int N; cin >> N;
  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());

  //Bについて，累積和によってパターン数を網羅しておく
  vector<ll> B_pattern(N);
  for (int i = 0; i < N; i++){
    auto x = lower_bound(A.begin(),A.end(),B[i]) - A.begin();
    if (i == 0) B_pattern[i] = x;
    else B_pattern[i] = B_pattern[i-1] + x;
  }
  
  //Cを順に見ていき，パターンを列挙する
  ll ans = 0;
  for (int i = 0; i < N; i++){
    auto x = lower_bound(B.begin(),B.end(),C[i]) - B.begin();
    ans += B_pattern[x-1];
  }
  cout << ans << "\n";
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:10: error: 'll' was not declared in this scope
   13 |   vector<ll> B_pattern(N);
      |          ^~
a.cc:13:12: error: template argument 1 is invalid
   13 |   vector<ll> B_pattern(N);
      |            ^
a.cc:13:12: error: template argument 2 is invalid
a.cc:16:26: error: invalid types 'int[int]' for array subscript
   16 |     if (i == 0) B_pattern[i] = x;
      |                          ^
a.cc:17:19: error: invalid types 'int[int]' for array subscript
   17 |     else B_pattern[i] = B_pattern[i-1] + x;
      |                   ^
a.cc:17:34: error: invalid types 'int[int]' for array subscript
   17 |     else B_pattern[i] = B_pattern[i-1] + x;
      |                                  ^
a.cc:21:5: error: expected ';' before 'ans'
   21 |   ll ans = 0;
      |     ^~~~
      |     ;
a.cc:24:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   24 |     ans += B_pattern[x-1];
      |     ^~~
      |     abs
a.cc:24:21: error: invalid types 'int[long int]' for array subscript
   24 |     ans += B_pattern[x-1];
      |                     ^
a.cc:26:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   26 |   cout << ans << "\n";
      |           ^~~
      |           abs
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
# define mod 1000000007
# define INF (1 << 29)
# define MAX_N 1000010
/* ちゃんと考えてわかって実装 */

int main(void){
    int n;
    cin >> n;
    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(c.begin(), c.end());
    /* 各 b[i] に対して、
    b[i] > a[j] となる j の個数と
    b[i] < c[k] となる k の個数を求めたらok */

    ll ans = 0;
    for(int i=0; i<n; i++){
        auto it_a = upper_bound(a.begin(), a.end(), b[i]-1);
        auto it_c = lower_bound(c.begin(), c.end(), b[i]+1);
        ans += (it_a - a.begin()) * (c.end() - it_c);
        // int num_a = distance(a.begin(), upper_bound(a.begin(), a.end(), b[i]-1));
        // int num_c = distance(lower_bound(c.begin(), c.end(), b[i]+1), c.end());
        ans += (num_a * num_c);
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:17: error: 'num_a' was not declared in this scope
   36 |         ans += (num_a * num_c);
      |                 ^~~~~
a.cc:36:25: error: 'num_c' was not declared in this scope
   36 |         ans += (num_a * num_c);
      |                         ^~~~~
Language: C

#include <stdio.h>
typedef int value_type; /* ソートするキーの型 */

value_type med3(value_type x, value_type y, value_type z)
/* x, y, z の中間値を返す */
{
    if (x < y)
        if (y < z) return y; else if (z < x) return x; else return z; else
        if (z < y) return y; else if (x < z) return x; else return z;
}

void quicksort(value_type a[], int left, int right)
/* クイックソート
 * a     : ソートする配列
 * left  : ソートするデータの開始位置
 * right : ソートするデータの終了位置
 */
{
    if (left < right) {
        int i = left, j = right;
        value_type tmp, pivot = med3(a[i], a[i + (j - i) / 2], a[j]); /* (i+j)/2ではオーバーフローしてしまう */
        while (1) { /* a[] を pivot 以上と以下の集まりに分割する */
            while (a[i] < pivot) i++; /* a[i] >= pivot となる位置を検索 */
            while (pivot < a[j]) j--; /* a[j] <= pivot となる位置を検索 */
            if (i >= j) break;
            tmp = a[i]; a[i] = a[j]; a[j] = tmp; /* a[i],a[j] を交換 */
            i++; j--;
        }
        quicksort(a, left, i - 1);  /* 分割した左を再帰的にソート */
        quicksort(a, j + 1, right); /* 分割した右を再帰的にソート */
    }
}
#include<stdio.h>

/* 二分探索 */
int binary_search (int list[], int list_size, int x) {
  int left, right, mid;
  left = 0;
  right = list_size - 1;

  while (left <= right) {
    mid = (left + right)/2;
    if (list[mid] == x) { return mid - 1; }
    else if (list[mid] < x) { left = mid + 1; }
    else                    { right = mid - 1; }
  }
  return right;
}

int main(){
  int n, i;
  scanf("%d",&n);
  int a[n], b[n], c[n];
  for (i = 0;i < n;i++){
    scanf("%d",&a[i]);
  }
  for (i = 0;i < n;i++){
    scanf("%d",&b[i]);
  }
  for (i = 0;i < n;i++){
    scanf("%d",&c[i]);
  }
  quicksort(a, 0, n);
  quicksort(c, 0, n);
  int sum,upper_sum,lower_sum;
  for (i = 0;i < n;i++){
  	upper_sum += binary_search(a, n, b[i]);
  	lower_sum += n - binary_search(c, n, b[i]);
  	sum += upper_sum * lower_sum
  	}
  printf("%d", sum);
}

Compiler output:
main.c: In function 'main':
main.c:69:37: error: expected ';' before '}' token
   69 |         sum += upper_sum * lower_sum
      |                                     ^
      |                                     ;
   70 |         }
      |         ~
Language: C++

#include <bits/stdc++.h>

using namespace std;
using ll =long long;
#define SORT(a) sort((a).begin(),(a).end())
#define rSORT(a) reverse((a).begin(),(a).end())
#define For(i, a, b)    for(ll i = (a) ; i < (b) ; ++i)
#define rep(i, n)       For(i, 0, n)
#define debug(x)  cerr << #x << " = " << (x) << endl;
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; }
void coY() {cout <<"Yes"<<endl;}
void coN(){cout <<"No"<<endl;}
const ll INF = 1LL << 60;
const ll mod = 1e9+7;
//Write From this Line

ll main()
{
	ll n;
	cin >> n;
	vector<ll> a(n),b(n),c(n);
	rep(i,n) cin >> a[i];SORT(a);
	rep(i,n) cin >> b[i];SORT(b);
	rep(i,n) cin >> c[i];SORT(c);

	//解法:b[i]に対して、aはどこまで行けるか見る。
	//b[i]にたいしてcが何個行けるか
	ll ans = 0 ;
	rep(i,n){
		//b[i] - 1 以下となるものの個数を数える。
		ll a_index = lower_bound(a.begin(),a.end(), ll(b[i] )) - a.begin();
		ll c_index = lower_bound(c.begin(),c.end(), ll(b[i] + 1)) - c.begin();
		ans += (a_index)* (n -c_index); 
	}
	cout << ans << endl;
}


Compiler output:
a.cc:18:1: error: '::main' must return 'int'
   18 | ll main()
      | ^~