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

/*
ID: flashysport101
LANG: C++
TASK:
*/
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;

typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef pair<ld, ld> pd;

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<pd> vpd;

#define F0R(i, a, b) for (int i = (a); i < (b); i++)
#define FOR(i, a) for (int i = 0; i < (a); i++)
#define F0RR(i, a, b) for (int i = (b) - 1; i >= (a); i--)
#define FORR(i, a) for (int i = (a) - 1; i >= 0; i--)

#define mp make_pair
#define mt make_tuple
#define pb push_back
#define eb emplace_back
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound

#define n << "\n"
#define k << " " <<

const int MOD = 1000000007;
const ll INF = 1e18;
const int MAXN = 1e5;
const string name = "guard";

int N, bucket1[MAXN], bucket2[MAXN];

int main () {
  ios_base::sync_with_stdio(0); cin.tie(0);
//  ifstream cin(name+".in"); ofstream cout(name+".out");
//  ifstream cin("a.in");
  cin >> N;
  FOR(i, N) {
    int next; cin >> next; next--;
    if(i%2 == 0) bucket1[next]++;
    else bucket2[next]++;
  }
  int max1 = 0;
  int max2 = 0;
  FOR(i, N) {
      max1 = max(max1, bucket1[i])
      max2 = max(max2, bucket2[i]);
  }
  cout << N - max1 - max2 n;
  return 0;
}





Compiler output:
a.cc: In function 'int main()':
a.cc:60:35: error: expected ';' before 'max2'
   60 |       max1 = max(max1, bucket1[i])
      |                                   ^
      |                                   ;
   61 |       max2 = max(max2, bucket2[i]);
      |       ~~~~
Language: C++

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

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    ll n;
    cin >> n;
    // cnt[num][oe] : numがいくつあるか，oeは偶数奇数番目の要素かどうか
    ll cnt[100001][2] = {};
    rep(i, n)
    {
        ll v;
        cin >> v;
        cnt[v][i % 2]++;
    }
    // res[oe][fs] : 奇数か偶数かどうか，一番大きい数，２番目に大きい数
    ll res[2][2] = {};
    rep(i, 2)
    {
        // 全探索
        for (ll j = 1; j <= 100000; j++) {
            // 1番大きい数を更新している
            if (cnt[j][i] > cnt[res[i][0]][i]) {
                res[i][1] = res[i][0];
                res[i][0] = j;
            }
            // ２番目に大きい数を更新している
            else if (cnt[j][i] > cnt[res[i][1]][i]) {
                res[i][1] = j;
            }
        }
    }
}
// 一番大きい数が奇数と偶数で違うときは奇数，偶数ごとにそれぞれの一番大きい数にする
if (res[0][0] != res[1][0]) {
    cout << n - cnt[res[0][0]][0] - cnt[res[1][0]][1] << endl;
} else {
    // それ以外のときはどちらかを１番多いものに変え，もう一方を２番目に多いものに帰る
    cout << n - max(cnt[res[0][0]][0] + cnt[res[1][1]][1], cnt[res[0][1]][0] + cnt[res[1][0]][1]) << endl;
}
}


Compiler output:
a.cc:41:1: error: expected unqualified-id before 'if'
   41 | if (res[0][0] != res[1][0]) {
      | ^~
a.cc:43:3: error: expected unqualified-id before 'else'
   43 | } else {
      |   ^~~~
a.cc:47:1: error: expected declaration before '}' token
   47 | }
      | ^
Language: C++

#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
using namespace std;
typedef long long ll;
typedef unsigned int ui;
const ll mod = 1000000007;
typedef long double ld;
const ll INF = 1e+14;
typedef pair<int, int> P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef complex<ld> Point;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<ld, ld> LDP;
typedef pair<ll, ll> LP;
#define fr first
#define sc second
#define all(c) c.begin(),c.end()
#define pb push_back

void Yes(){
	cout<<"Yes"<<endl;
	exit(0);
}
 
void No(){
	cout<<"No"<<endl;
	exit(0);
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
    int n; cin >> n;
    map<int, int> mp[2];
    rep(i, n) {
        int x;
        cin >> x;
        mp[i & 1][x] ++;
    }
    vector<P> v[2];
    rep(u, 2) {
        for(auto &p : mp[u]) {
            v[u].pb(P((int)p.sc, (int)p.fr));
        }
        if(v[u].size() == 1) {
            v[u].pb(0, -1);
        }
        sort(v[u].rbegin(), v[u].rend());
    }
    int ans = 0;
    rep(i, 2) {
        rep(j, 2) {
            if(v[0][i].sc != v[1][j].sc) {
                ans = max(ans, v[0][i].fr + v[0][j].fr);
            }
        }
    }
    cout << n - ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:69:20: error: no matching function for call to 'std::vector<std::pair<int, int> >::push_back(int, int)'
   69 |             v[u].pb(0, -1);
      |             ~~~~~~~^~~~~~~
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:4:
/usr/include/c++/14/bits/stl_vector.h:1283:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; value_type = std::pair<int, int>]'
 1283 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:1283:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_vector.h:1300:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(value_type&&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; value_type = std::pair<int, int>]'
 1300 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:1300:7: note:   candidate expects 1 argument, 2 provided
Language: C++

#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
using namespace std;
typedef long long ll;
typedef unsigned int ui;
const ll mod = 1000000007;
typedef long double ld;
const ll INF = 1e+14;
typedef pair<int, int> P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef complex<ld> Point;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<ld, ld> LDP;
typedef pair<ll, ll> LP;
#define fr first
#define sc second
#define all(c) c.begin(),c.end()
#define pb push_back

void Yes(){
	cout<<"Yes"<<endl;
	exit(0);
}
 
void No(){
	cout<<"No"<<endl;
	exit(0);
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
    int n; cin >> n;
    map<int, int> mp[2];
    rep(i, n) {
        int x;
        cin >> x;
        mp[i & 1][x] ++;
    }
    vector<P> v[2];
    rep(u, 2) {
        for(auto &p : mp[u]) {
            v[u].pb(P(p.sc, p.fr));
        }
        if(v[u].size() == 1) {
            v[u].pb(0, -1);
        }
        sort(v[u].rbegin(), v[u].rend());
    }
    int ans = 0;
    rep(i, 2) {
        rep(j, 2) {
            if(v[0][i].sc != v[1][j].sc) {
                ans = max(ans, v[0][i].fr + v[0][j].fr);
            }
        }
    }
    cout << n - ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:69:20: error: no matching function for call to 'std::vector<std::pair<int, int> >::push_back(int, int)'
   69 |             v[u].pb(0, -1);
      |             ~~~~~~~^~~~~~~
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:4:
/usr/include/c++/14/bits/stl_vector.h:1283:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; value_type = std::pair<int, int>]'
 1283 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:1283:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_vector.h:1300:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(value_type&&) [with _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; value_type = std::pair<int, int>]'
 1300 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:1300:7: note:   candidate expects 1 argument, 2 provided
Language: C++

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

int main() {
  int k,h,n;
  string s;
  cin >> s;
  n = s.size() /2;
  vector<int> a(n);
  vector<int> b(n);
  for(int i=0;i<n;i++){
    a.at(i) = s.at(2*i);
  }
  for(int i=0;i<n;i++){
    b.at(i) = s.at(2*i -1);
  }
  sort(a.begin(), a.end());
  sort(b.begin(), b.end());
  
  k = 0;
  h = 0;
  for(int i=0;i<n;i++){
    int count = 0;
    if(a.at(i) == a.at(j) && i < j ){
      count++;
    }
    else{
      if(k < count){
        k = count;
      }
      continue;
    }
  }
  for(int i=0;i<n-1;i++){
    int count = 0;
    for(int j = i+1;j<n;j++){
      if(a.at(i) == a.at(j)){
        count++;
      }
      else{
        if(k < count){
          k = count;
        }
        break;
      }
    }
  }
  for(int i=0;i<n-1;i++){
    int count = 0;
    for(int j = i+1;j<n;j++){
      if(b.at(i) == b.at(j)){
        count++;
      }
      else{
        if(i < count){
          i = count;
        }
        break;
      }
    }
  }
  
  cout << 2*n -k -h << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:24: error: 'j' was not declared in this scope
   24 |     if(a.at(i) == a.at(j) && i < j ){
      |                        ^
Language: C++

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

int main() {
  int k,h,n;
  string s;
  cin >> s;
  n = s.size() /2;
  vector<int> a(n);
  vector<int> b(n);
  for(int i=0;i<n;i++){
    a.at(i) = s.at(2*i);
  }
  for(int i=0;i<n;i++){
    b.at(i) = s.at(2*i -1);
  }
  sort(a.begin(), a.end());
  sort(b.begin(), b.end());
  
  int k = 0;
  int h = 0;
  for(int i=0;i<n;i++){
    int count = 0;
    if(a.at(i) == a.at(j) && i < j ){
      count++;
    }
    else{
      if(k < count){
        k = count;
      }
      continue;
    }
  }
  for(int i=0;i<n-1;i++){
    int count = 0;
    for(int j = i+1;j<n;j++){
      if(a.at(i) == a.at(j)){
        count++;
      }
      else{
        if(k < count){
          k = count;
        }
        break;
      }
    }
  }
  for(int i=0;i<n-1;i++){
    int count = 0;
    for(int j = i+1;j<n;j++){
      if(b.at(i) == b.at(j)){
        count++;
      }
      else{
        if(i < count){
          i = count;
        }
        break;
      }
    }
  }
  
  cout << 2*n -k -h << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:7: error: redeclaration of 'int k'
   20 |   int k = 0;
      |       ^
a.cc:5:7: note: 'int k' previously declared here
    5 |   int k,h,n;
      |       ^
a.cc:21:7: error: redeclaration of 'int h'
   21 |   int h = 0;
      |       ^
a.cc:5:9: note: 'int h' previously declared here
    5 |   int k,h,n;
      |         ^
a.cc:24:24: error: 'j' was not declared in this scope
   24 |     if(a.at(i) == a.at(j) && i < j ){
      |                        ^
Language: C++

#if 1

#include <bits/stdc++.h>
using namespace std;
int n,x;
int a[100005],ap = 1;
int b[100005],bp = 1;

int main()
{
    scanf("%d",&n);
    for(int i = 1;i <= n;i++)
    {
        scanf("%d",&x);
        if(i % 2) a[x]++;
        else b[x]++;
    }
    int ma = 0,mb = 0,la = 0,lb = 0,pa,pb;
    for(int i = 1;i <= 100000;i++)
    {
        //if(a[i] > 0) cout << i << " " << a[i] << "\n";
        if(ma < a[i])
        {
            la = ma;
            ma = a[i];
            pa = i;
        }
        else if(la < a[i])
        {
            la = a[i];
        }
        if(mb < b[i])
        {
            lb = mb;
            mb = b[i];
            pb = i;
        }
        else if(lb < b[i])
        {
            lb = b[i];
        }
    }
    if(pa == pb)
    {
        printf("%d",max(n-ma-lb,n-la,mb));
    }
    else
    {
        printf("%d",n-ma-mb);
    }
}

#endif // 1++


Compiler output:
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:3:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:45:24:   required from here
   45 |         printf("%d",max(n-ma-lb,n-la,mb));
      |                     ~~~^~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include<iostream>
#include<map>
#include<vector>
using namespace std;
typedef pair<int,int> P;

int main(){
	int n;
	vector<map<int,int>> mp(2);
	cin>>n;
	for(int i=0;i<n;i++){
		int v;
		cin>>v;
		if(i%2==0) mp[0][v]++;
		else mp[1][v]++;
	}
	vector<tuple<int,int,int>> V;
	for(int i=0;i<2;i++){
		for(auto itr=mp[i].begin();itr!=mp[i].end();++itr){
			V.emplace_back(tie(itr->second,itr->first,i));
		}
	}
	sort(V.rbegin(),V.rend());
	int ret1[2]={0,0},ret2[2]={0,0};
	for(int i=0;i<V.size();i++){
		int num,fig,even;
		tie(num,fig,even) =V[i];
		if(even%2==0&&fig!=ret2[1]){
			ret1[0]=num;
			ret1[1]=fig;
		}
		if(even%2==1&&fig!=ret1[1]){
			ret2[0]=num;
			ret2[1]=fig;
		}
		if(ret1[0]>0&&ret2[0]>0) break;
	}
	cout << n-ret1[0]-ret2[0];
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   23 |         sort(V.rbegin(),V.rend());
      |         ^~~~
      |         short
Language: C++

puts gets.to_i-gets.split.map(&:to_i).each_slice(2).map{|m|m}.transpose.map{|m|m.group_by {|p|p}.map{|_,v| v.size}.max}.inject(:+)

Compiler output:
a.cc:1:1: error: 'puts' does not name a type
    1 | puts gets.to_i-gets.split.map(&:to_i).each_slice(2).map{|m|m}.transpose.map{|m|m.group_by {|p|p}.map{|_,v| v.size}.max}.inject(:+)
      | ^~~~
a.cc:1:62: error: expected unqualified-id before '.' token
    1 | puts gets.to_i-gets.split.map(&:to_i).each_slice(2).map{|m|m}.transpose.map{|m|m.group_by {|p|p}.map{|_,v| v.size}.max}.inject(:+)
      |                                                              ^
a.cc:1:120: error: expected unqualified-id before '.' token
    1 | puts gets.to_i-gets.split.map(&:to_i).each_slice(2).map{|m|m}.transpose.map{|m|m.group_by {|p|p}.map{|_,v| v.size}.max}.inject(:+)
      |                                                                                                                        ^
Language: Java

import java.util.*;
import java.io.*;

public class Main
{
  	int n, sum = 0;
  	int max1 = 0, max2 = 0;
  	int who1 = 0, who2 = 0;
  	int[][] v;
  
    Main(Scanner in, PrintWriter out)
    {
      n = in.nextInt();
      v = new int[2][100_000];
      for (int i = 0; i < (n >> 1); i++)
      {
        int a = in.nextInt()-1;
        int b = in.nextInt()-1;
        v[0][a]++; v[1][b]++
        if (v[0][a] > max1) { max1 = v[0][a]; who1 = a; }
        if (v[1][b] > max2) { max2 = v[1][b]; who2 = b; }
      }
      sum = max1+max2;
      if (who1 == who2) sum -= Math.min(max1, max2); 
      out.println(n-sum);
    }
	
	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		new	Main(in, out);
		out.close();
	} 
}

Compiler output:
Main.java:19: error: ';' expected
        v[0][a]++; v[1][b]++
                            ^
1 error
Language: C++

#include <stdio.h>
#include <map>
#include <algorithm>
#include <Vector>
using namespace std;

int main() {
  int n;
  scanf("%d", &n);
  map<int, int> mp1, mp2;
  for (int i = 0; i < n; i++) {
    int x;
    scanf("%d", &x);
    if (i & 1) {
      mp1[x]++;
    } else {
      mp2[x]++;
    }
  }
  vector<pair<int, int>> v1, v2;
  for (map<int, int>::iterator it = mp1.begin(); it != mp1.end(); it++) {
    v1.push_back(make_pair(it->second, it->first));
  }
  for (map<int, int>::iterator it = mp2.begin(); it != mp2.end(); it++) {
    v2.push_back(make_pair(it->second, it->first));
  }
  sort(v1.begin(), v1.end());
  sort(v2.begin(), v2.end());
  reverse(v1.begin(), v1.end());
  reverse(v2.begin(), v2.end());
  int ans = n / 2 - v1[0].first + n / 2 - v2[0].first;
  if ((int) v1.size() == 1) {
    v1.push_back(make_pair(0, -1));
  }
  if ((int) v2.size() == 1) {
    v2.push_back(make_pair(0, -1));
  }
  if (v1[0].second == v2[0].second) {
    ans = min(n / 2 - v1[1].first + n / 2 - v2[0].first, n / 2 - v1[0].first + n / 2 - v2[1].first);
  }
  printf("%d\n", ans);
  return 0;
}

Compiler output:
a.cc:4:10: fatal error: Vector: No such file or directory
    4 | #include <Vector>
      |          ^~~~~~~~
compilation terminated.
Language: C++

#include <stdio.h>
#include <map>
#include <algorithm>
using namespace std;

int main() {
  int n;
  scanf("%d", &n);
  map<int, int> mp1, mp2;
  for (int i = 0; i < n; i++) {
    int x;
    scanf("%d", &x);
    if (i & 1) {
      mp1[x]++;
    } else {
      mp2[x]++;
    }
  }
  vector<pair<int, int>> v1, v2;
  for (map<int, int>::iterator it = mp1.begin(); it != mp1.end(); it++) {
    v1.push_back(make_pair(it->second, it->first));
  }
  for (map<int, int>::iterator it = mp2.begin(); it != mp2.end(); it++) {
    v2.push_back(make_pair(it->second, it->first));
  }
  sort(v1.begin(), v1.end());
  sort(v2.begin(), v2.end());
  reverse(v1.begin(), v1.end());
  reverse(v2.begin(), v2.end());
  int ans = n / 2 - v1[0].first + n / 2 - v2[0].first;
  if ((int) v1.size() == 1) {
    v1.push_back(make_pair(0, -1));
  }
  if ((int) v2.size() == 1) {
    v2.push_back(make_pair(0, -1));
  }
  if (v1[0].second == v2[0].second) {
    ans = min(n / 2 - v1[1].first + n / 2 - v2[0].first, n / 2 - v1[0].first + n / 2 - v2[1].first);
  }
  printf("%d\n", ans);
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:3: error: 'vector' was not declared in this scope
   19 |   vector<pair<int, int>> v1, v2;
      |   ^~~~~~
a.cc:4:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    3 | #include <algorithm>
  +++ |+#include <vector>
    4 | using namespace std;
a.cc:19:23: error: expected primary-expression before '>' token
   19 |   vector<pair<int, int>> v1, v2;
      |                       ^~
a.cc:19:26: error: 'v1' was not declared in this scope; did you mean '__pstl::execution::v1'?
   19 |   vector<pair<int, int>> v1, v2;
      |                          ^~
      |                          __pstl::execution::v1
In file included from /usr/include/c++/14/pstl/glue_algorithm_defs.h:15,
                 from /usr/include/c++/14/algorithm:86,
                 from a.cc:3:
/usr/include/c++/14/pstl/execution_defs.h:19:18: note: '__pstl::execution::v1' declared here
   19 | inline namespace v1
      |                  ^~
a.cc:19:30: error: 'v2' was not declared in this scope
   19 |   vector<pair<int, int>> v1, v2;
      |                              ^~
Language: C++

#include<iostream>
#include<cmath>
#include<map>
#include<queue>
#include<iterator>
#include<iomanip>
#include <string>
#include <algorithm>
#include <set>
#include <iomanip>
using namespace std;

map<int,int>mp1,mp2;
int main()
{
    set<int>st;
    
    int n,mx1=0,mx2=0,a;
    cin>>n;
    arr[n+5];
    
    for(int i=1;i<=n;i++)
    {
        cin>>arr[i];
        a = arr[i];
        st.insert(a);
        if(i&1)
        {
            mp1[a]++;
            if(mp1[a] > mx1)
                mx1 = mp1[a];
        }
        else

        {
            mp2[a]++;
            if(mp2[a] > mx2)
                mx2 = mp2[a];
        }
    }
    if(st.size() == 1)
    {
        cout<<n/2<<endl;
        return 0;
    }
    int ans = 0;
    bool one=false,two=false;
    for(int i=1,j=2;j<=n;j+=2,i+=2)
    {
        if(arr[i] != arr[i+2] and !one and i+2<=n)
        {
            ans += n/2 - mx1;
            one = true;
        }
        if(arr[j] != arr[j+2] and !two and j+2<=n)
        {
            ans += n/2 - mp2[mx2];mx2;
            two = true;
        }
    }
    cout<<ans<<endl;
    return 0;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:5: error: 'arr' was not declared in this scope
   20 |     arr[n+5];
      |     ^~~
Language: Java

import java.util.*;

public class Main {
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    Long n = sc.nextLong();
    List<Long> a = new ArrayList<Long>();
    int count = 0;
    for(int i = 0; i < n; i++){
      a.add(i, sc.nextLong());
    }
    if(a.get(0) == a.get(1)){
      a.get(1) = a.get(0) + 1;
      count++;
    }
    if(4 <= n){
      for(int i = 2; i < n; i += 2){
        if(a.get(0) != a.get(i)){
          count++;
        }
      }
      for(int i = 3; i < n; i += 2){
        if(a.get(1) != a.get(i)){
          count++;
        }
      }
    }
    System.out.println(count);
  }
}

Compiler output:
Main.java:13: error: unexpected type
      a.get(1) = a.get(0) + 1;
           ^
  required: variable
  found:    value
1 error
Language: Java

import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    int count = scanner.nextIn();

	Set<Integer> entries = new HashSet<>();
    for (int ix = 0; ix < count; ix++) {
      entries.add(ix);
    }
    
    if (entries.size() == 1) {
      System.out.println(0);
    } else {
      System.out.println(Math.abs(entries.size() - 2));
    }
  }
}

Compiler output:
Main.java:6: error: cannot find symbol
    int count = scanner.nextIn();
                       ^
  symbol:   method nextIn()
  location: variable scanner of type Scanner
1 error
Language: C++

#include <bits/stdc++.h>
#define all(v) rbegin(v),rend(v)

using namespace std;
typedef long long ll;
const ll N = 100000;

ll n,v;
map<ll,ll> cnt[2];
vector<pair<ll,ll> > ac[2];
signed main(){
	cin >> n;
	for(int i = 0;i < n;i++){
		cin >> v;
		cnt[i&1][v]++;
	}
	for(auto p:cnt[0])ac[0].emplace_back(p.second,p.first);
	for(auto p:cnt[1])ac[1].emplace_back(p.second,p.first);
	sort(rall(ac[0]));
	sort(rall(ac[1]));
	if(ac[0][0].second != ac[1][0].second){
		cout << n - ac[0][0].first - ac[1][0].first << '\n';
	}else{
		ll res = 0;
		if(ac[1].size() >= 2)res = max(res,ac[0][0].first+ac[1][1].first);
		if(ac[0].size() >= 2)res = max(res,ac[0][1].first+ac[1][0].first);
		if(ac[0].size() < 2 && ac[1].size() < 2)res = n/2;
		cout << n-res << '\n';
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:14: error: 'rall' was not declared in this scope; did you mean 'all'?
   19 |         sort(rall(ac[0]));
      |              ^~~~
      |              all
Language: C++

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
const ll N = 100000;

ll n,v;
map<ll,ll> cnt[2];
signed main(){
	cin >> n;
	for(int i = 0;i < n;i++){
		cin >> v;
		cnt[i&1][v]++;
	}
	ll mx[2] = {};
	for(auto p:cnt[0])if(mx[0] < p.second)mx = p.second;
	for(auto p:cnt[1])if(mx[1] < p.second)mx = p.second;
	cout  << n-mx[0]-mx[1] << '\n';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:50: error: incompatible types in assignment of 'long long int' to 'll [2]' {aka 'long long int [2]'}
   16 |         for(auto p:cnt[0])if(mx[0] < p.second)mx = p.second;
      |                                               ~~~^~~~~~~~~~
a.cc:17:50: error: incompatible types in assignment of 'long long int' to 'll [2]' {aka 'long long int [2]'}
   17 |         for(auto p:cnt[1])if(mx[1] < p.second)mx = p.second;
      |                                               ~~~^~~~~~~~~~
Language: C++

#include <cstdio>
#include <string>
#include <vector>

using namespace std;

const int N = 100000 + 5;

int n, v;
int cnt[2][N];

void update(pair<int, int> &mx1, pair<int, int> &mx2, pair<int, int> c) {
  if (c.first > mx2.first) {
    swap(c, mx2);
  }
  if (mx2.first > mx1.first) {
    swap(mx1, mx2);
  }
}

int calc(pair<int, int> &mx1, pair<int, int> &mx2) {
  if (mx1.second != mx2.second) {
    return mx1.first + mx2.first;
  }
  return max(mx1.first, mx2.first);
}

int main() {
  #ifndef ONLINE_JUDGE
  // freopen("read.in", "r", stdin);
  assert(false);
  #endif
  scanf("%d", &n);
  for (int i = 1; i <= n; i++) {
    scanf("%d", &v);
    cnt[i&1][v]++;
  }
  pair<int, int> mx[2][2];
  for (int i = 1; i < N; i++) {
    for (int p = 0; p < 2; p++) {
      if (cnt[p][i] != 0) {
        update(mx[0][p], mx[1][p], make_pair(cnt[p][i], i));
      }
    }
  }
  int ans = n;
  for (int i = 0; i < 2; i++) {
    for (int j = 0; j < 2; j++) {
      ans = min(ans, n - calc(mx[0][i], mx[1][j]));
    }
  }
  printf("%d\n", ans);
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:31:3: error: 'assert' was not declared in this scope
   31 |   assert(false);
      |   ^~~~~~
a.cc:4:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    3 | #include <vector>
  +++ |+#include <cassert>
    4 |
Language: C++

#include <iostream>
#include <string>
#include <vector>

using namespace std;

const int N = 100000 + 5;

int n, v;
int cnt[2][N];

void update(pair<int, int> &mx1, pair<int, int> &mx2, pair<int, int> c) {
	if (c.first > mx2.first) {
		swap(c, mx2);
	}
	if (mx2.first > mx1.first) {
		swap(mx1, mx2);
	}
}

int calc(pair<int, int> &mx1, pair<int, int> &mx2) {
	if (mx1.second != mx2.second) {
		return mx1.first + mx2.first;
	}
	return max(mx1.first, mx2.first);
}

int main() {
	#ifndef ONLINE_JUDGE
	freopen("read.in", "r", stdin);
	#endif
	scanf("%d", &n);
	for (int i = 1; i <= n; i++) {
		scanf("%d", &v);
		cnt[i&1][v]++;
	}
	pair<int, int> mx[2][2];
	for (int i = 0; i < 2; i++) {
		for (int j = 0; j < 2; j++) {
			assert(mx[i][j].first == 0 && mx[i][j].second == 0);
		}
	}
	for (int i = 1; i < N; i++) {
		for (int p = 0; p < 2; p++) {
			if (cnt[p][i] != 0) {
				update(mx[p][0], mx[p][1], make_pair(cnt[p][i], i));
			}
		}
	}
	int ans = n;
	for (int i = 0; i < 2; i++) {
		for (int j = 0; j < 2; j++) {
			ans = min(ans, n - calc(mx[0][i], mx[1][j]));
		}
	}
	printf("%d\n", ans);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:40:25: error: 'assert' was not declared in this scope
   40 |                         assert(mx[i][j].first == 0 && mx[i][j].second == 0);
      |                         ^~~~~~
a.cc:4:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    3 | #include <vector>
  +++ |+#include <cassert>
    4 |
Language: C++

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

int main(){
	int n;
	cin >> n;
	map<int,int> A,B;
	for (int i=1; i<=n; ++i){
		int x;
		cin >> x;
		if (i&1){
			A[x]++;
		} else {
			B[x]++;
		}
	}
	
	A[100001] = 0;
	B[100001] = 0;
	
	int ans = INT_MAX;
	
	for (auto a: A){
		for (auto b: B){
			if (a.first == b.first) continue;
			else {
				ans = min(ans,n/2-a.sc + n/2-b.sc); 
			}
		}
	}
	
	cout << ans;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:53: error: 'struct std::pair<const int, int>' has no member named 'sc'
   27 |                                 ans = min(ans,n/2-a.sc + n/2-b.sc);
      |                                                     ^~
a.cc:27:64: error: 'struct std::pair<const int, int>' has no member named 'sc'
   27 |                                 ans = min(ans,n/2-a.sc + n/2-b.sc);
      |                                                                ^~
Language: C++

fun ac103(args: Array<String>) {
    val numList = args[1].split(" ").map { it.toInt() }
    val evenNumToCount = mutableMapOf(0 to 0)
    val oddNumToCount = mutableMapOf(0 to 0)
    numList.forEachIndexed { index, num ->
        if (index % 2 == 0) {
            if (!evenNumToCount.containsKey(num)) {
                evenNumToCount[num] = 0
            }
            evenNumToCount[num] = evenNumToCount[num]!! + 1
        } else {
            if (!oddNumToCount.containsKey(num)) {
                oddNumToCount[num] = 0
            }
            oddNumToCount[num] = oddNumToCount[num]!! + 1
        }
    }

    val evenSorted = evenNumToCount.entries.sortedBy { it.value }
    val oddSorted = oddNumToCount.entries.sortedBy { it.value }
    if (evenSorted[0].key != oddSorted[0].key) {
        println(numList.size - evenSorted[0].value - oddSorted[0].value)
    } else {
        println(minOf(numList.size - evenSorted[0].value - oddSorted[1].value,
                numList.size - evenSorted[1].value - oddSorted[0].value))

    }
}

fun main(args: Array<String>) {
    ac103(readLineList())
}

fun readLineList(): Array<String> {
    val lineList = mutableListOf<String>()
    while (true) {
        val line = readLine()
        if (line.isNullOrBlank()) {
            break
        } else {
            lineList.add(line!!)
        }
    }
    return lineList.toTypedArray()
}

Compiler output:
a.cc:1:1: error: 'fun' does not name a type
    1 | fun ac103(args: Array<String>) {
      | ^~~
a.cc:30:1: error: 'fun' does not name a type
   30 | fun main(args: Array<String>) {
      | ^~~
a.cc:34:1: error: 'fun' does not name a type
   34 | fun readLineList(): Array<String> {
      | ^~~
Language: Java

package Jugs.AtCoder;

import java.util.HashMap;
import java.util.Map;

public class VVVSequence {

    public static void main(String[] args) {
//        int n = 4;
        int[] seq = {1,1,1,1}; //{105, 119, 105, 119, 105, 119}; {3,1,3,2};

//        int res_1 = solution_1(seq.length, seq);
//        System.out.println(res_1);
        int res_2 = solution_2(seq.length, seq);
        System.out.println(res_2);
    }

    private static int solution_2(int length, int[] seq) {
        int overflow = 0;
        int p1 = seq[0];
        int p2 = seq[1];

        for (int i = 2; i< seq.length; i++){
            if (p1 == p2){
                overflow++;
            }
            else if (i %2 == 0){
                if (seq[i] != p1)
                    overflow++;
                p1 = seq[i];
            }
            else if (i%2 != 0){
                if (seq[i] != p2)
                    overflow++;
            }
        }
        return overflow;
    }

    private static int solution_1(int n, int[] seq) {
        HashMap<Integer, Integer> bucket = new HashMap<>();
        int overflow = 0;
        for (int i=0; i< seq.length; i++){
            if (bucket.containsKey(seq[i])){
                int val = bucket.get(seq[i]);
                bucket.put(seq[i], val+1);
            }
            else
                bucket.put(seq[i], 1);
        }
        int counter = 0;
        for (Map.Entry map : bucket.entrySet()){
            int val = (int) map.getValue();
            if (val > 2)
                overflow++;
            if (val == 1){
                counter++;
                if (counter == 2){
                    overflow++;
                    counter = 0;
                }
            }
        }
        return overflow;
    }
}


Compiler output:
Main.java:6: error: class VVVSequence is public, should be declared in a file named VVVSequence.java
public class VVVSequence {
       ^
1 error
Language: Java

public class VVVSequence {

    public static void main(String[] args) {
//        int n = 4;
        int[] seq = {1,1,1,1}; //{105, 119, 105, 119, 105, 119}; {3,1,3,2};

//        int res_1 = solution_1(seq.length, seq);
//        System.out.println(res_1);
        int res_2 = solution_2(seq.length, seq);
        System.out.println(res_2);
    }

    private static int solution_2(int length, int[] seq) {
        int overflow = 0;
        int p1 = seq[0];
        int p2 = seq[1];

        for (int i = 2; i< seq.length; i++){
            if (p1 == p2){
                overflow++;
            }
            else if (i %2 == 0){
                if (seq[i] != p1)
                    overflow++;
                p1 = seq[i];
            }
            else if (i%2 != 0){
                if (seq[i] != p2)
                    overflow++;
            }
        }
        return overflow;
    }
}


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

public static void main(String[] args) {
//        int n = 4;
        int[] seq = {1,1,1,1}; //{105, 119, 105, 119, 105, 119}; {3,1,3,2};

//        int res_1 = solution_1(seq.length, seq);
//        System.out.println(res_1);
        int res_2 = solution_2(seq.length, seq);
        System.out.println(res_2);
    }

    private static int solution_2(int length, int[] seq) {
        int overflow = 0;
        int p1 = seq[0];
        int p2 = seq[1];

        for (int i = 2; i< seq.length; i++){
            if (p1 == p2){
                overflow++;
            }
            else if (i %2 == 0){
                if (seq[i] != p1)
                    overflow++;
                p1 = seq[i];
            }
            else if (i%2 != 0){
                if (seq[i] != p2)
                    overflow++;
            }
        }
        return overflow;
    }


Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
public static void main(String[] args) {
              ^
  (use --enable-preview to enable unnamed classes)
1 error
Language: Java

private static int solution_2(int length, int[] seq) {
        int overflow = 0;
        int p1 = seq[0];
        int p2 = seq[1];

        for (int i = 2; i< seq.length; i++){
            if (p1 == p2){
                overflow++;
            }
            else if (i %2 == 0){
                if (seq[i] != p1)
                    overflow++;
                p1 = seq[i];
            }
            else if (i%2 != 0){
                if (seq[i] != p2)
                    overflow++;
            }
        }
        return overflow;
    }

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
private static int solution_2(int length, int[] seq) {
               ^
  (use --enable-preview to enable unnamed classes)
1 error
Language: Java

private static int solution(int n, int[] seq) {
        HashMap<Integer, Integer> bucket = new HashMap<>();
        int overflow = 0;
        for (int i=0; i< seq.length; i++){
            if (bucket.containsKey(seq[i])){
                int val = bucket.get(seq[i]);
                bucket.put(seq[i], val+1);
            }
            else
                bucket.put(seq[i], 1);
        }
        int counter = 0;
        for (Map.Entry map : bucket.entrySet()){
            int val = (int) map.getValue();
            if (val > 2)
                overflow++;
            if (val == 1){
                counter++;
                if (counter == 2){
                    overflow++;
                    counter = 0;
                }
            }
        }
        return overflow;
    }

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
private static int solution(int n, int[] seq) {
               ^
  (use --enable-preview to enable unnamed classes)
1 error
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>

using namespace std;

int main()
{
  int n;
  cin>>n;
  vector<int> a1;
  vector<int> a2;
  for(int i=0;i<n;i++)
  {
    int x;
    cin>>x;
    if(i%2==0)
      a1.push_back(x);
    else
      a2.push_back(x);
  }
  sort(a1.begin(),a1.end());
  sort(a2.begin(),a2.end());
  int a11=-1;
  int a12=-1;
  int size11=-1;
  int size12=0;
  int tmp=-1;
  int tmpsize=0;
  for(int i=0;i<a1.size();i++)
  {
    int now=a1[i];
    if(tmp==now)
    {
      tmpsize++;
    }
    else
    {
      tmpsize=1;
      tmp=now;
    }
    if(tmpsize>size)
    {
      if(tmp!=a11)
      {
      a12=a11;
      a11=tmp;
      size12=size11;
      }
      size11=tmpsize;
    }
  }
  int a21=-1;
  int a22=-1;
  int size21=-1;
  int size22=0;
  tmp=-1;
  tmpsize=0;
  for(int i=0;i<a2.size();i++)
  {
    int now=a2[i];
    if(tmp==now)
    {
      tmpsize++;
    }
    else
    {
      tmpsize=1;
      tmp=now;
    }
    if(tmpsize>size)
    {
      if(a21!=tmp)
      {
      a22=a21;
      a21=tmp;
      size22=size21;
      }
      size21=tmpsize;
    }
  }
  if(a11!=a21)
      cout<<a1.size()-size11+a2.size()-size21<<endl;
  else
      cout<<min(a1.size()-size11+a2.size()-size22,a1.size()-size12+a2.size()-size21)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:42:15: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator>'
   42 |     if(tmpsize>size)
      |        ~~~~~~~^~~~~
a.cc:71:15: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator>'
   71 |     if(tmpsize>size)
      |        ~~~~~~~^~~~~
Language: C++

#include <cstdio>
#include <cstring>

const int maxV = (int)1E5 + 1;

int n;
int d[2][maxV];
int m[2][2];
int mv[2][2];

int main() {
  scanf("%d", &n);
  memset(d, 0, sizeof(d));
  for (int i = 1; i <= n; ++i) {
    int v;
    scanf("%d", &v);
    d[i%2][v]++;
  }
  
  m[0][0] = d[0][1]; 	mv[0][0] = 1;
  m[0][1] = -1;			mv[0][1] = 0;
  m[1][0] = d[1][1];	mv[1][0] = 1;
  m[1][1] = -1;			mv[1][1] = 0;
  
  for (int i = 0; i < 2; ++i) {
    for (int v = 2; v < maxV; ++v) {
      if (m[i][0] <= d[i][v]) {
        m[i][1] = m[i][0];
        mv[i][1] = mv[i][0];
        m[i][0] = d[i][v];
        mv[i][0] = v;
      }
      else if (m[i][1] < d[i][v]) {
        m[i][1] = d[i][v];
        mv[i][1] = v;
      }
    }
  }
  
  int k = n / 2;
  int result;
  if (mv[0][0] != mv[1][0]) {
    result = (k-m[0][0])+(k-m[1][0]);
  }
  else {
    result = min(k-mv[0][1]+k-mv[1][0], k-mv[0][0]+k-mv[1][1]);
  }
  printf("%d\n", result);
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:46:14: error: 'min' was not declared in this scope; did you mean 'main'?
   46 |     result = min(k-mv[0][1]+k-mv[1][0], k-mv[0][0]+k-mv[1][1]);
      |              ^~~
      |              main
Language: C++

#include <bits/stdc++.h>
#include <iostream>
#include <utility> // pair
#include <string>
#include <vector>
#define MAX_N 100001
#define rep(i, a, b) for(ll i=a; i<b; i++)
#define rer(i, a, b) for(ll i=a-1; i>=b; i--)
#define pb push_back
using namespace std;
typedef long long ll;
typedef pair<ll, ll> P;
ll n;
map<ll, ll> s[2];

signed main(){
    cin >> n;
    rep(i, 0, n){
        ll v; cin >> v;
        int j;
        if(i%2) j = 0;
        else j = 1;
        if(s[j].find(v) != s[j].end()) s[j][v]++;
        else s[j].insert(P(v, 1));
    }
    ll ret, m1[2], m2[2];
    ret = 0;
    m1[0] = m1[1] = m2[0] = m2[1] = -1;
    
    rep(i, 0, 2){
        for(auto e: s[i]){
            ret += e.second;
            if(m1[i] == -1) m1[i] = e.first;
            else if(m2[i] == -1){
                m2[i] = e.first;
                if(s[i][m1[i]] <= e.second) swap(m1[i], m2[i]); 
            }
            else if(s[i][m1[i]] <= e.second){
                m2[i] = m1[i];
                m1[i] = e.first;
            }
        }
    }
    ll ans;s
    if(m1[0] != m1[1]){
        ans = ret - s[0][m1[0]] - s[1][m1[1]];
    }
    else{
        if(m2[0] != -1 && m2[1] != -1){
            ans = min(
                ret - s[0][m2[0]] - s[1][m1[1]], 
                ret - s[0][m1[0]] - s[1][m2[1]]
                );
        }else if(m2[0] != -1){
            ans = ret - s[0][m2[0]] - s[1][m1[1]];
        }else if(m2[1] != -1){
            ans = ret - s[0][m1[0]] - s[1][m2[1]];
        }else{
            ans = ret - s[0][m1[0]];
        }
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:44:13: error: expected ';' before 'if'
   44 |     ll ans;s
      |             ^
      |             ;
   45 |     if(m1[0] != m1[1]){
      |     ~~       
a.cc:48:5: error: 'else' without a previous 'if'
   48 |     else{
      |     ^~~~
Language: C++

#include <iostream>
#include <string>    
#include <vector>
#include <queue>
#include <algorithm>
#include <cmath>
using namespace std;
typedef long long ll;
ll n, v, even[100008], odd[100008];

int main() {
	cin >> n;
	for(ll i = 1; i <= n; i++){
		cin >> v;
		if(i%2 == 0){even[v]++;}
		else{odd[v]++;}
	}
	
	ll emax1 = 0; ll e1 = -1;
	ll emax2 = 0; ll e2 = -1;
	ll omax1 = 0; ll o1 = -1;
	ll omax2 = 0; ll o2 = -1;
	for(ll i = 1; i <= 100000; i++){
		if(even[i] > emax1){
			emax2 = emax1;
			emax1 = even[i];
			e2 = e1;
			e1 = i;
		}
		else{
			if(even[i] > emax2){
				emax2 = even[i];
				e2 = i;
			}
		}
	}
	for(ll i = 1; i <= 100000; i++){
		if(odd[i] > omax1){
			omax2 = omax1;
			omax1 = odd[i];
			o2 = o1;
			o1 = i;
		}
		else{
			if(odd[i] > omax2){
				omax2 = odd[i];
				o2 = i;
			}
		}
	}	
	
	ll ans = n;
	if(e1 == o1){
		if(emax1 > omax1){ans -= emax1+omax2;}
		if(emax1 < omax1){ans -= emax2+omax1;}
		if(emax1 == omax1){ans -= (emax2 > omax2)? omax1+emax2 : emax1+omax2;
	}
	else{
		ans -= emax1+omax1;
	}
	
	cout << ans;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:64:2: error: expected '}' at end of input
   64 | }
      |  ^
a.cc:11:12: note: to match this '{'
   11 | int main() {
      |            ^
Language: C++

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

using ll = long long;
using cd = complex<double>;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    map<int, int> mp[2];
    int n;
    cin >> n;
    for(int i = 0; i < n; ++i){
        int x;
        cin >> x;
        mp[i%2][x]++;
    }

    multiset<pair<int, int>> imp[2];
    for(int i = 0; i < 2; ++i)
        for(auto p : mp[i])
            imp.emplace(p.second, p.first);

    for(int i = 0; i < 2; ++i)
        while(imp[i].size() > 2)
            imp[i].erase(imp[i].begin());

    int rez = 0;
    for(auto x : imp[0])
        for(auto y : imp[1])
            if(x.second != y.second)
                rez = max(rez, x.first + y.first);
    cout << (n - rez) << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:17: error: request for member 'emplace' in 'imp', which is of non-class type 'std::multiset<std::pair<int, int> > [2]'
   23 |             imp.emplace(p.second, p.first);
      |                 ^~~~~~~
Language: C++

#include <bits/stdc++.h>

#define int long long 
#define MOD 1000000007


using namespace std;

typedef unordered_map<int,int>::const_iterator map_itr;

bool compare( const map_itr& a, const map_itr& b ){ // ファンクタというらしい
  return ( a->second > b->second );
}

signed main(){

	int n;
	cin >> n;
	int v[n];
	unordered_map<int,int> count;
	unordered_map<int,int> count2;
	set<int> kind;
	
	for(int i=0;i<n;i++){
		cin >> v[i];
		kind.insert(v[i]);		
		if(i%2==0){
			count[v[i]]++;
		}
		else{
			count2[v[i]]++;
		}
	}
	
	
	bool if1 = (count.size()==1&&count2.size()==1);
	bool if2 = (kind.size()==1);
	bool if3 = (kind.size()==2);
	
	if(if1&&if3){
		cout << "0" <<endl;
		return 0;
	}
	
	if(if2){
		cout << n/2 <<endl;
		return 0;
	}


	vector<map_itr> c;
	for(auto itr=count.begin();itr!=count.end();itr++){
		c.push_back(itr);
	}
	sort(c.begin(),c.end(),compare);
	
	vector<map_itr> c2;
	for(auto itr=count2.begin();itr!=count2.end();itr++){
		c2.push_back(itr);
	}
	sort(c2.begin(),c2.end(),compare);
	
	auto a = c.begin();
	auto b = c2.begin();
	
	if((*a)->first!=(*b)->first){
		cout<< n-(*a)->second-(*b)->second <<endl;
		return 0;
	}
	
	else{
		auto a2 = c.begin();
		a2++;	
		auto b2 = c2.negin();
		b2++;
	
		int t1 = n-(*a)->second-(*b2)->second;
		int t2 = n-(*a2)->second-(*b)->second;
	
		if(t1<=t2){
			cout <<t1 <<endl;
			return 0;
		}
	
		else{
			cout << t2 <<endl;
			return 0;
		}
	
	}

 	
 	return 0;
	

}

Compiler output:
a.cc: In function 'int main()':
a.cc:74:30: error: 'class std::vector<std::__detail::_Node_const_iterator<std::pair<const long long int, long long int>, false, false> >' has no member named 'negin'; did you mean 'begin'?
   74 |                 auto b2 = c2.negin();
      |                              ^~~~~
      |                              begin
Language: C++

#include <bits/stdc++.h>

#define int long long 
#define MOD 1000000007


using namespace std;

typedef unordered_map<int,int>::const_iterator map_itr;

bool compare( const map_itr& a, const map_itr& b ){ // ファンクタというらしい
  return ( a->second > b->second );
}

signed main(){

	int n;
	cin >> n;
	int v[n];
	unordered_map<int,int> count;
	unordered_map<int,int> count2;
	set<int> kind;
	
	for(int i=0;i<n;i++){
		cin >> v[i];
		kind.insert(v[i]);		
		if(i%2==0){
			count[v[i]]++;
		}
		else{
			count2[v[i]]++;
		}
	}
	
	
	bool if1 = count.size()==1&&cout2.size()==1;
	bool if2 = kind.size()==1;
	bool if3 = kind.size()==2;
	
	if(f1&&if3){
		cout << "0" <<endl;
		return 0;
	}
	
	if(if2){
		cout << n/2 <<endl;
		return 0;
	}


	vector<map_itr> c;
	for(auto itr=count.begin();itr!=count.end();itr++){
		c.push_back(itr);
	}
	sort(c.begin(),c.end(),compare);
	
	vector<map_itr> c2;
	for(auto itr=count2.begin();itr!=count2.end();itr++){
		c2.push_back(itr);
	}
	sort(c2.begin(),c2.end(),compare);
	
	auto a = c.begin();
	auto b = c2.begin();
	
	if((*a)->first!=(*b)->first){
		cout<< n-(*a)->second-(*b)->second <<endl;;
		return 0;
	}
	
	else{
		auto a2 = ++a;	
		auto b2 = ++b;
	
		int t1 = n-(*a)->second-(*b2)->second;
		int t2 = n-(*a2)->second-(*b)->second;
	
		if(t1<t2){
			cout <<t1 <<endl;
			return 0;
		}
	
		else{
			cout << t2 <<endl;
			return 0;
		}
	
	}

 	
 	return 0;
	

}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:37: error: 'cout2' was not declared in this scope; did you mean 'count2'?
   36 |         bool if1 = count.size()==1&&cout2.size()==1;
      |                                     ^~~~~
      |                                     count2
a.cc:40:12: error: 'f1' was not declared in this scope; did you mean 'if1'?
   40 |         if(f1&&if3){
      |            ^~
      |            if1
Language: C++

#include<iostream>
#include<cstdio>
#include<math.h>
#include<string>
#include<algorithm>
#include<functional>
#include<vector>
#include<set>
#include<map>
#include<queue>

using namespace std;

typedef long long ll;
typedef pari<int,int> p;

int odd[105000];
int even[105000];

int n;

int main()
{
	cin>>n;
	int v;
	for(int i=0;i<n;i++){
		cin>>v;
		if(i%2==0){
			even[v]++;
		}
		else odd[v]++;
	}

	int mev=0; int mod=0;
	for(int i=0;i<105000;i++){
		mev=max(even[i],mev);
		mod=max(odd[i],mod);
	}

	cout<<mev-n/2+mod-n/2<<endl;


	return 0;
}

Compiler output:
a.cc:15:9: error: 'pari' does not name a type
   15 | typedef pari<int,int> p;
      |         ^~~~
Language: C++

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

int main() {
  
  int N;
  cin >> N;
  vector<int> odds(N/2), evens(N/2);
  
  for(int i=0; i<(N/2); i++){
    cin >> odds(i) >> evens(i);
  }
  
  for(int i=0; i<(N/2); i++){
    cout << odds(i) << " ";
  }
  
  for(int i=0; i<N; i++){
    
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:16: error: no match for call to '(std::vector<int>) (int&)'
   11 |     cin >> odds(i) >> evens(i);
      |            ~~~~^~~
a.cc:11:28: error: no match for call to '(std::vector<int>) (int&)'
   11 |     cin >> odds(i) >> evens(i);
      |                       ~~~~~^~~
a.cc:15:17: error: no match for call to '(std::vector<int>) (int&)'
   15 |     cout << odds(i) << " ";
      |             ~~~~^~~
Language: C

#include <bits/stdc++.h>
const int MAXN=100010;
int n;
int a[MAXN];
int f1[MAXN],f2[MAXN];
int maxx(int x,int y){
	return x>y?x:y;
}
int main(){
	cin >> n;
	for(int i=1;i<=n;i++){
		cin >> a[i];
		i%2==1?f1[a[i]]++:f2[a[i]]++;
	}
	int max1=0,max2=0;
	for(int i=1;i<=100000;i++){
		if(f1[i]>f1[max1])max1=i;
		if(f2[i+1]>f2[max2])max2=i+1;
	}
	if(max1!=max2){
		cout << n-f1[max1]-f2[max2] << endl;
	}
	else{
		int max3=0,max4=0;
		for(int i=1;i<=100000;i++)
		if(f1[i]>f1[max3]&&i!=max1)max3=i;
		for(int i=2;i<=100000;i++)
		if(f2[i]>f2[max4]&&i!=max2)max4=i;
		int ma=maxx(f1[max1]+f2[max4],f2[max2]+f1[max3]);
		cout << n-ma << endl;
	}
	return 0;
}

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