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

#include <bits/stdc++.h>
#define ll long long
using namespace std;
ll x, ans;
ll r[11] = {0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2};
int main(void){
 cin >> x;
 ans += x/11*2 +r[x%11];
 cout << ans << endl;
 return 0;
}

Compiler output:
a.cc:5:47: error: too many initializers for 'long long int [11]'
    5 | ll r[11] = {0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2};
      |                                               ^
Language: Java

//Do what you can't.

import java.io.*;
import java.util.*;
import java.math.BigInteger;
public class Main  {
  public static void main(String[] args) {
    InputReader in = new InputReader(System.in);
    PrintWriter w = new PrintWriter(System.out);
    long x = in.nextLong()  ;
    long ans = x / 11;
    ans += ans;
    if (x > 6)
      ans += 2;;
    else if (x % 11 > 0)
      ans ++;

    w.println(ans);
    w.close();
  }
  static class InputReader {

    private final InputStream stream;
    private final byte[] buf = new byte[8192];
    private int curChar, snumChars;
    private SpaceCharFilter filter;

    public InputReader(InputStream stream) {
      this.stream = stream;
    }

    public int snext() {
      if (snumChars == -1)
        throw new InputMismatchException();
      if (curChar >= snumChars) {
        curChar = 0;
        try {
          snumChars = stream.read(buf);
        } catch (IOException e) {
          throw new InputMismatchException();
        }
        if (snumChars <= 0)
          return -1;
      }
      return buf[curChar++];
    }

    public int nextInt() {
      int c = snext();
      while (isSpaceChar(c)) {
        c = snext();
      }
      int sgn = 1;
      if (c == '-') {
        sgn = -1;
        c = snext();
      }
      int res = 0;
      do {
        if (c < '0' || c > '9')
          throw new InputMismatchException();
        res *= 10;
        res += c - '0';
        c = snext();
      } while (!isSpaceChar(c));
      return res * sgn;
    }

    public long nextLong() {
      int c = snext();
      while (isSpaceChar(c)) {
        c = snext();
      }
      int sgn = 1;
      if (c == '-') {
        sgn = -1;
        c = snext();
      }
      long res = 0;
      do {
        if (c < '0' || c > '9')
          throw new InputMismatchException();
        res *= 10;
        res += c - '0';
        c = snext();
      } while (!isSpaceChar(c));
      return res * sgn;
    }

    public int[] nextIntArray(int n) {
      int a[] = new int[n];
      for (int i = 0; i < n; i++) {
        a[i] = nextInt();
      }
      return a;
    }

    public String readString() {
      int c = snext();
      while (isSpaceChar(c)) {
        c = snext();
      }
      StringBuilder res = new StringBuilder();
      do {
        res.appendCodePoint(c);
        c = snext();
      } while (!isSpaceChar(c));
      return res.toString();
    }

    public String nextLine() {
      int c = snext();
      while (isSpaceChar(c))
        c = snext();
      StringBuilder res = new StringBuilder();
      do {
        res.appendCodePoint(c);
        c = snext();
      } while (!isEndOfLine(c));
      return res.toString();
    }

    public boolean isSpaceChar(int c) {
      if (filter != null)
        return filter.isSpaceChar(c);
      return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
    }

    private boolean isEndOfLine(int c) {
      return c == '\n' || c == '\r' || c == -1;
    }

    public interface SpaceCharFilter {
      public boolean isSpaceChar(int ch);
    }
  }
}


Compiler output:
Main.java:15: error: 'else' without 'if'
    else if (x % 11 > 0)
    ^
1 error
Language: Java

//Do what you can't.

import java.io.*;
import java.util.*;
import java.math.BigInteger;
public  class Main  {
  public static void main(String[] args) {
    InputReader in = new InputReader(System.in);
    PrintWriter w = new PrintWriter(System.out);
    long x = in.nextLong()  ;
    long ans = x / 11;
    ans += ans;
    if (x > 6)
      ans += 2;;
    else if (x % 11 > 0)
      ans ++;

    w.println(ans);
    w.close();
  }
  static class InputReader {

    private final InputStream stream;
    private final byte[] buf = new byte[8192];
    private int curChar, snumChars;
    private SpaceCharFilter filter;

    public InputReader(InputStream stream) {
      this.stream = stream;
    }

    public int snext() {
      if (snumChars == -1)
        throw new InputMismatchException();
      if (curChar >= snumChars) {
        curChar = 0;
        try {
          snumChars = stream.read(buf);
        } catch (IOException e) {
          throw new InputMismatchException();
        }
        if (snumChars <= 0)
          return -1;
      }
      return buf[curChar++];
    }

    public int nextInt() {
      int c = snext();
      while (isSpaceChar(c)) {
        c = snext();
      }
      int sgn = 1;
      if (c == '-') {
        sgn = -1;
        c = snext();
      }
      int res = 0;
      do {
        if (c < '0' || c > '9')
          throw new InputMismatchException();
        res *= 10;
        res += c - '0';
        c = snext();
      } while (!isSpaceChar(c));
      return res * sgn;
    }

    public long nextLong() {
      int c = snext();
      while (isSpaceChar(c)) {
        c = snext();
      }
      int sgn = 1;
      if (c == '-') {
        sgn = -1;
        c = snext();
      }
      long res = 0;
      do {
        if (c < '0' || c > '9')
          throw new InputMismatchException();
        res *= 10;
        res += c - '0';
        c = snext();
      } while (!isSpaceChar(c));
      return res * sgn;
    }

    public int[] nextIntArray(int n) {
      int a[] = new int[n];
      for (int i = 0; i < n; i++) {
        a[i] = nextInt();
      }
      return a;
    }

    public String readString() {
      int c = snext();
      while (isSpaceChar(c)) {
        c = snext();
      }
      StringBuilder res = new StringBuilder();
      do {
        res.appendCodePoint(c);
        c = snext();
      } while (!isSpaceChar(c));
      return res.toString();
    }

    public String nextLine() {
      int c = snext();
      while (isSpaceChar(c))
        c = snext();
      StringBuilder res = new StringBuilder();
      do {
        res.appendCodePoint(c);
        c = snext();
      } while (!isEndOfLine(c));
      return res.toString();
    }

    public boolean isSpaceChar(int c) {
      if (filter != null)
        return filter.isSpaceChar(c);
      return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
    }

    private boolean isEndOfLine(int c) {
      return c == '\n' || c == '\r' || c == -1;
    }

    public interface SpaceCharFilter {
      public boolean isSpaceChar(int ch);
    }
  }
}


Compiler output:
Main.java:15: error: 'else' without 'if'
    else if (x % 11 > 0)
    ^
1 error
Language: C++

#include <stdio.h>
typedef long long unsigned int u64;

// Minimize 6x + 5y >= n. x == y, so 11x >= n, or x == y + 1, 11x - 5 >= n.

u64 solve(u64 n) {
  u64 bestresult = 1e15;
  // Case 1:
  u64 x = (n + 10) / 11;
  bestresult = min(bestresult, 2 * x);
 // Case 2:
  x = (n + 15) / 11;
  bestresult = min(bestresult, 2 * x - 1);
  return bestresult;
}

int main(void) {
  u64 x;
  scanf("%llu", &x);
  printf("%llu", solve(x));
  return 0;
}
 
   

Compiler output:
a.cc: In function 'u64 solve(u64)':
a.cc:10:16: error: 'min' was not declared in this scope
   10 |   bestresult = min(bestresult, 2 * x);
      |                ^~~
Language: C

#include <algorithm>
#include <bitset>
#include <cassert>
#include <cctype>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <utility>
#include <vector>

#define DEBUG
#ifdef DEBUG
#define debug_printf printf
#else
#define debug_printf 1 ? 0 : printf
#endif

using namespace std;
typedef long long int ll;
typedef vector<ll> Vl;
typedef vector<int> Vi;
typedef pair<int, int> Pi;

#define INF   (1e9 + 7)

ll X;

void solve() {
  ll ans = X / 11;
  X = X - 11 * ans;
  ans *= 2;
  ans += (X + 5) / 6;

  printf("%lld\n", ans);
}

int main() {
  scanf("%lld", &X);

  solve();

  return 0;
}


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

#include <bits/stdc++.h>
#define mem(a, b) memset(a, b, sizeof(a))
#define inf (1e9 + 7)
#define pi acos(-1)
#define eps 0.000001
using namespace std;

__int64 x;

int main()
{
    __int64 ans = 0;
    scanf("%I64d", &x);
    ans += x / 11 * 2;
    x %= 11;
    if(x > 6)
        ans += 2;
    else if(x)
        ans += 1;
    printf("%I64d\n", ans);
    return 0;
}

Compiler output:
a.cc:8:1: error: '__int64' does not name a type; did you mean '__int64_t'?
    8 | __int64 x;
      | ^~~~~~~
      | __int64_t
a.cc: In function 'int main()':
a.cc:12:5: error: '__int64' was not declared in this scope; did you mean '__ynf64'?
   12 |     __int64 ans = 0;
      |     ^~~~~~~
      |     __ynf64
a.cc:13:21: error: 'x' was not declared in this scope
   13 |     scanf("%I64d", &x);
      |                     ^
a.cc:14:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   14 |     ans += x / 11 * 2;
      |     ^~~
      |     abs
Language: C++

import java.io.*;
import java.util.*;
public class Main {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		System.out.println((long)Math.ceil(in.nextLong()/5.5));
	}
}


Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.io.*;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import java.util.*;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: expected unqualified-id before 'public'
    3 | public class Main {
      | ^~~~~~
Language: C++

#include<iostream>
#include<algorithm>
using namespace std;
long long int n;
int main()
{
long long int ans,temp;
cin>>n;
ans=n/11;
temp=n-11*ans;
if(temp==0) cout<<ans<<endl;
else if(temp<=6) count<<ans+1<<endl;
else cout<<ans<<endl;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:23: error: invalid operands of types '<unresolved overloaded function type>' and 'long long int' to binary 'operator<<'
   12 | else if(temp<=6) count<<ans+1<<endl;
      |                  ~~~~~^~~~~~~
Language: C

#include<stdio.h>
int main(void){
    long x,count;
    scanf("%ld",&x);

        count = (x-x%11)/11;
        count *= 2;
        if(x%11 != 0)count++;
        if(x%11 > 6)count++;
    }

    printf("%ld",count);

    return 0;
}

Compiler output:
main.c:12:12: error: expected declaration specifiers or '...' before string constant
   12 |     printf("%ld",count);
      |            ^~~~~
main.c:12:18: error: unknown type name 'count'
   12 |     printf("%ld",count);
      |                  ^~~~~
main.c:14:5: error: expected identifier or '(' before 'return'
   14 |     return 0;
      |     ^~~~~~
main.c:15:1: error: expected identifier or '(' before '}' token
   15 | }
      | ^
Language: C++

#include <stdio.h>
#include <iostream>
#include <queue>
#include <string>
#include <algorithm>
#include <cstdio>
#include <stack>
#include <vector>
#include <map>
#include <string.h>
#define inf 0x7fffffff
using namespace std;
//1232
int a,b,c,n,m,l[100000110],o[10010],k,i,d,dx[10]={0,1,-1,0,0,-1,-1,1,1},dy[10]={0,0,0,-1,1,1,-1,1,-1};
long long x,y,z[100010];
__int64 ert;
stack<int> s;
struct P
{
    int x;
    int y;
    bool operator<(const P &a)const
    {
        return y>a.y;
    }
};
 //map<int, int> p;
queue<P> q;
priority_queue<int> q1;
string r;
vector<int> v[200010];

bool sdf(P a,P b){return a.y<b.y;}



int main()
{
    scanf("%lld",&x);
    y=x/11*2;
    if(x%11>6) y++;
    if(x%11) y++;
    printf("%lld",y);
    return 0;
}

Compiler output:
a.cc:16:1: error: '__int64' does not name a type; did you mean '__int64_t'?
   16 | __int64 ert;
      | ^~~~~~~
      | __int64_t
Language: Java

import com.teamlab.vm.controllers.admin.system.SystemController;

import java.util.Scanner;

public class Main {

    public static final void main(String args[]) {
        new Main().solve();
    }

    void solve() {
        try (Scanner in = new Scanner(System.in)) {
            long x = in.nextLong();
            long a = (x / 11) * 2;
            x %= 11;
            while (true) {
                ++a;
                x -= 6;
                if (x <= 0) break;
                ++a;
                x -= 5;
                if (x <= 0) break;
            }
            System.out.println(a);
        }
    }
}


Compiler output:
Main.java:1: error: package com.teamlab.vm.controllers.admin.system does not exist
import com.teamlab.vm.controllers.admin.system.SystemController;
                                              ^
1 error
Language: Java

import java.io.*;

public class Team_Project01 {

    static final int N = 10000;

    public static void main(String[] args) throws IOException {
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        long x=Long.parseLong(br.readLine());
        long sum=x/11;
        long temp=x%11;
        if(temp!=0){
            System.out.println((temp>6) ? sum*2+2:sum*2+1);
        }else{
            System.out.println(sum*2);
        }
    }
    
}


Compiler output:
Main.java:3: error: class Team_Project01 is public, should be declared in a file named Team_Project01.java
public class Team_Project01 {
       ^
1 error
Language: Java

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> PII;

const int MM = 1e9 + 7;
const double eps = 1e-8;
const int MAXN = 2e6 + 10;

int n, m;

void prework(){

}

void read(){

}

int K;
ll C[2222][2222];
ll pw[2222];
ll f[2222][2222];
ll sum[2222][2222];

void solve(int casi){
	cin>>n>>K;
	C[0][0] = C[1][0] = C[1][1] = 1;
	for(int i = 2; i <= 2000; i++){
		C[i][0] = C[i][i] = 1;
		for(int j = 1; j < i; j++)
			C[i][j] = (C[i-1][j-1] + C[i-1][j]) % MM;
	}
	pw[0] = 1;
	for(int i = 1; i <= 2000; i++){
		pw[i] = (2 * pw[i-1]) % MM;
	}
	ll ans = 0;//pw[n-K-1];
	f[0][0] = 1;
	for(int i = 0; i <= n; i++)
		sum[0][i] = 1;
	for(int i = 1; i < K; i++){
		for(int j = 0; j <= n - i; j++){
			f[i][j] = sum[i-1][j+1];
		}
		sum[i][0] = f[i][0];
		for(int j = 1; j <= n - i; j++)
			sum[i][j] = (sum[i][j-1] + f[i][j]) % MM;
	}
	for(int i = 0; i <= n - K; i++)
		ans = (ans + f[K-1][i]) % MM;
	cout<<((K!=n)?(ans * pw[n-K-1] % MM):ans)<<endl;
}

void printans(){

}


int main(){
	prework();
	int T = 1;
//	cin>>T;
	for(int i = 1; i <= T; i++){
		read();
		solve(i);
		printans();
	}
	return 0;
}




Compiler output:
Main.java:1: error: illegal character: '#'
#include<bits/stdc++.h>
^
Main.java:1: error: class, interface, enum, or record expected
#include<bits/stdc++.h>
        ^
Main.java:5: error: class, interface, enum, or record expected
typedef long long ll;
^
Main.java:6: error: class, interface, enum, or record expected
typedef pair<int, int> PII;
^
Main.java:8: error: class, interface, enum, or record expected
const int MM = 1e9 + 7;
^
Main.java:9: error: class, interface, enum, or record expected
const double eps = 1e-8;
^
Main.java:10: error: class, interface, enum, or record expected
const int MAXN = 2e6 + 10;
^
Main.java:12: error: class, interface, enum, or record expected
int n, m;
^
Main.java:14: error: unnamed classes are a preview feature and are disabled by default.
void prework(){
^
  (use --enable-preview to enable unnamed classes)
Main.java:23: error: class, interface, enum, or record expected
ll C[2222][2222];
^
Main.java:24: error: class, interface, enum, or record expected
ll pw[2222];
^
Main.java:25: error: class, interface, enum, or record expected
ll f[2222][2222];
^
Main.java:26: error: class, interface, enum, or record expected
ll sum[2222][2222];
^
Main.java:29: error: not a statement
	cin>>n>>K;
	      ^
Main.java:54: error: not a statement
	cout<<((K!=n)?(ans * pw[n-K-1] % MM):ans)<<endl;
	                                         ^
15 errors
Language: C

#include <stdio.h>
int main(){
	long long int x,a;
	scanf("%lld",&x);
	a = 2x / 11;
	if(2*x%11!=0)a++;
	printf("%lld",a);	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:13: error: invalid suffix "x" on integer constant
    5 |         a = 2x / 11;
      |             ^~
Language: C++

#include <iostream>
using namespace std;

//#define int long long

#define CHOOSE(a) CHOOSE2 a
#define CHOOSE2(a0,a1,a2,a3,x,...) x
#define REP1(i, s, cond, cal) for (signed i = signed(s); i cond; i cal)
#define REP2(i, s, n) REP1(i, s, < signed(n), ++)
#define REP3(i, n) REP2(i, 0, n)
#define rep(...) CHOOSE((__VA_ARGS__,REP1,REP2,REP3))(__VA_ARGS__)
#define rrep(i, s) rep(i, s, >= 0, --)

#define all(c) begin(c), end(c)

#define X first
#define Y second

template<typename T>bool maxup(T& a, T&& b) { if (a < b) { a = b; return true; }; }
template<typename T>bool maxup(T& a, T& b) { if (a < b) { a = b; return true; }; }
template<typename T>bool minup(T& a, T&& b) { if (a > b) { a = b; return true; }; }
template<typename T>bool minup(T& a, T& b) { if (a > b) { a = b; return true; }; }

using VV = vector<vector<int>>;
using V = vector<int>;
using P = pair<int, int>;
using IP = pair<int, P>;

template<typename T>
inline void input(vector<T>& v) { for (auto& x : v) cin >> x; }

const int MAX_N = 3e5;
int ls[MAX_N], rs[MAX_N], anses[MAX_N];
signed main() {
	int n, m;
	scanf("%d%d", &n, &m);
	for (int i = 0; i < n; i++) {
		scanf("%d%d", &ls[i], &rs[i]);
	}

	for (int i = 0; i < n; i++) {
		for (int d = 1; d <= m; d++) {
			anses[d - 1] += (ls[i] - 1) / d * d + d <= rs[i];
		}
	}
	for (int i = 0; i < m; i++) {
		printf("%d\n", anses[i]);
	}
	//system("pause");
}

Compiler output:
a.cc:24:12: error: 'vector' does not name a type
   24 | using VV = vector<vector<int>>;
      |            ^~~~~~
a.cc:25:11: error: 'vector' does not name a type
   25 | using V = vector<int>;
      |           ^~~~~~
a.cc:30:13: error: variable or field 'input' declared void
   30 | inline void input(vector<T>& v) { for (auto& x : v) cin >> x; }
      |             ^~~~~
a.cc:30:19: error: 'vector' was not declared in this scope
   30 | inline void input(vector<T>& v) { for (auto& x : v) cin >> x; }
      |                   ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include <iostream>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:30:27: error: expected primary-expression before '>' token
   30 | inline void input(vector<T>& v) { for (auto& x : v) cin >> x; }
      |                           ^
a.cc:30:30: error: 'v' was not declared in this scope
   30 | inline void input(vector<T>& v) { for (auto& x : v) cin >> x; }
      |                              ^
Language: C++

#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <climits>
#include <cfloat>
#include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <algorithm>

using namespace std;

//repetition
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
#define CLR(a) memset((a), 0 ,sizeof(a))
#define dump(x)  cerr << #x << " = " << (x) << endl;
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;

//constants
const double EPS = 1e-10;
const double PI  = acos(-1.0);
const int INF = 1<<28;


int main(int argc, char **argv) {
    double x;
    cin >> x;
    long long ans = 0;
    ans += x/11;
    ans *= 2;
    if (x%11 <= 6)
        ans++;
    else
        ans += 2;
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:37:10: error: invalid operands of types 'double' and 'int' to binary 'operator%'
   37 |     if (x%11 <= 6)
      |         ~^~~
      |         | |
      |         | int
      |         double
Language: C++

#define _CRT_SECURE_NO_WARNINGS 1

#include<stdio.h>


void main() {
	//6+5+6+5+6+5+......が最速のはず。

	long long int needpoint	= 0;
	long long int i			= 0;
	int			  jouyo = 0;

	scanf("%lld",&needpoint);

	i = (needpoint / 11) * 2;
	jouyo = needpoint % 11;
	if (jouyo > 0) { i++; }
	if (jouyo > 6) { i++; }

	printf("%lld",i);
	return;
}

Compiler output:
a.cc:6:1: error: '::main' must return 'int'
    6 | void main() {
      | ^~~~
a.cc: In function 'int main()':
a.cc:21:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   21 |         return;
      |         ^~~~~~
Language: C++

#include <iostream>
#include <cstdio>
#include <string>
using namespace std;


int main(void) {
	long long ans = 0;
	long long x, remain;
	cin >> x;

	ans = std::max((long long)0,long long(x-11))/11;
	remain  = x - (ans*11);

	ans *= 2;

	while (remain > 0) {
		remain -= 6;
		ans++;
		if (remain <= 0) break;
		remain -= 5;
		ans++;
	}

	cout << ans << endl;

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:37: error: expected primary-expression before 'long'
   12 |         ans = std::max((long long)0,long long(x-11))/11;
      |                                     ^~~~
Language: C++

#include <iostream>
#include <cstdio>
#include <string>
using namespace std;


int main(void) {
	long long ans = 0;
	long long x;
	cin >> x;

	ans = (long long)(std::max((long long)0,long long(x-11))/11);
	long long remain  = x - (ans*11);

	ans *= 2;

	while (remain > 0) {
		remain -= 6;
		ans++;
		if (remain <= 0) break;
		remain -= 5;
		ans++;
	}

	cout << ans << endl;

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:49: error: expected primary-expression before 'long'
   12 |         ans = (long long)(std::max((long long)0,long long(x-11))/11);
      |                                                 ^~~~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <bitset>
#include <fstream>
#include <sstream>
#include <string>
#include <time.h>
#include <math.h>

using namespace std;

int main() {
  long long double x;
  cin >> x;
  long long int ans;
  ans = ceil(x/11*2);
  cout << ans << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:8: error: 'long long' specified with 'double'
   14 |   long long double x;
      |        ^~~~
Language: C++

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

int main()
{
    ll x;
    cin >> x;
    map<int, int> m;
    for(int i = 1; i <= 6; i++)m[i] = 1;
    for(int i = 7; i <= 11; i++)m[i] = 2;
    if(x >= 1 && x <= 11)cout << m[x];
    else {
        ll divv = x/11;
        divv += m[x%11];
        cout << divv;
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'll' was not declared in this scope
    6 |     ll x;
      |     ^~
a.cc:7:12: error: 'x' was not declared in this scope
    7 |     cin >> x;
      |            ^
a.cc:13:11: error: expected ';' before 'divv'
   13 |         ll divv = x/11;
      |           ^~~~~
      |           ;
a.cc:14:9: error: 'divv' was not declared in this scope; did you mean 'div'?
   14 |         divv += m[x%11];
      |         ^~~~
      |         div
Language: C++

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

int main() {
	string s;
	cin >> s;
	ll k;
	cin >> k;
	for (int i = 0; i < s.length(); i++) {
		int x = 'z' - s.at(i) + 1;
		if (x <= k) {
			s.at(i) = 'a';
			k -= x;
		}
	}
	if (k == 0) {
		cout << s << endl;
		break;
	}
	s.at(s.length() - 1) = s.at(s.length() - 1) + k;
	cout << s << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:17: error: break statement not within loop or switch
   19 |                 break;
      |                 ^~~~~
Language: Java

from collections import Counter
n,*a = map(int,open(0).read().split())
c = Counter(a)
b = 0
for i in c.values():
  b+=i-1
if b%2 != 0:
  b+=1
print(n-b)

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
from collections import Counter
^
1 error
Language: C++

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

signed main(){
	lint N; cin >> N;
	set<lint> SET;
	for(lint i = 0; i < N; i++){
		lint x; cin >> x;
		SET.insert(x);
	}
	lint N = SET.size();
	if(N % 2 == 1) cout << N << endl;
	else cout << N - 1 << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:14: error: redeclaration of 'lint N'
   12 |         lint N = SET.size();
      |              ^
a.cc:6:14: note: 'lint N' previously declared here
    6 |         lint N; cin >> N;
      |              ^
Language: C++

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

int main(){
	int n; cin>>n;
  	map<int,int> m;
  	rep(i,n) {
    	int t; cin >> t;
      	m[t]++;
    }
  	if((n-m.size())%2){
    	cout << m.size()-1;
    }else{
    	cout << m.size();
    } 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: 'i' was not declared in this scope
    7 |         rep(i,n) {
      |             ^
a.cc:7:9: error: 'rep' was not declared in this scope
    7 |         rep(i,n) {
      |         ^~~
Language: C++

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

int main(){
    int n,te;
    cin >> n;
    vector<int> a(n);
    set<int> s;
    for(int i=0;i<n;i++){
        cin >> a.at(i);
        s.insert(a.at(i));
    }
    
    te=s.size();
    if(s.size%2){
        te++;
    }

    int ans=n-te;

    cout << ans << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:10: error: invalid use of member function 'std::set<_Key, _Compare, _Alloc>::size_type std::set<_Key, _Compare, _Alloc>::size() const [with _Key = int; _Compare = std::less<int>; _Alloc = std::allocator<int>; size_type = long unsigned int]' (did you forget the '()' ?)
   15 |     if(s.size%2){
      |        ~~^~~~
      |              ()
Language: C++

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

int main(){
    int n;
    cin >> n;
    vector<int> a(n);
    set<int> s;
    for(int i=0;i<n;i++){
        cin >> a.at(i)
        s.insert(a.at(i));
    }
    int ans=n-s.size();
    if(ans%2){
        ans++;
    }
    cout << ans << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:23: error: expected ';' before 's'
   10 |         cin >> a.at(i)
      |                       ^
      |                       ;
   11 |         s.insert(a.at(i));
      |         ~
Language: C++

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

int main(){
	int n ; cin >> n ;
map<int,int> card;
rep(i,n) {
int num ; cin >> num ;
card[num]++;
}
int kind=0 , zero = 0;
for (auto x : card){
if(x.second % 2 == 0 ) zero ++;
kind ++;
}
if(zero%2==0)cout<<kind<<endl;
else cout <<kind-1<<endl;

} 

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'i' was not declared in this scope
    7 | rep(i,n) {
      |     ^
a.cc:7:1: error: 'rep' was not declared in this scope
    7 | rep(i,n) {
      | ^~~
Language: C++

#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <algorithm>
#include <numeric>
#include <cstring>

#define REP(i, n) for (long long i = 0; i < (n); i++) 
//#define ll long long
#define ll int

using namespace std;


//操作:任意のカードを3枚抜き出し、最大と最小を取り除く
//残ったカードが互いに異なるようにするには、最小で何回操作を行えばよいか
int main(){
    int N;
    cin >> N;
    int cnt = 0;
    vector <int> a(100001,0);
    for(int i = 0; i < N; ++i)
    {
        int tmp;
        cin >> tmp;
        --tmp;
        if(a[tmp] > 0)++cnt;
        ++a[tmp];
    }
    if(cnt % 2 == 1)++cnt;

    int res = N - cnt;

    cout << res << endl;

    return 0;
}

 3 5 2 8 6 11 1 

Compiler output:
a.cc:40:2: error: expected unqualified-id before numeric constant
   40 |  3 5 2 8 6 11 1
      |  ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fo(a,b) for(int a=0;a<b;a++)
#define Sort(a) sort(a.begin(),a.end())
#define rev(a) reverse(a.begin(),a.end())
#define fi first
#define se second
#define co(a) cout<<a<<endl
#define sz size
#define bgn begin()
#define en end()
#define pb(a) push_back(a)
#define pop pop_back
#define uni(a) a.erase(unique(a.begin(),a.end()),a.end())
template<class T>
 void cou(vector<vector<T>> a){
  int b=a.size();
  int c=a[0].size();
  fo(i,b){
    fo(j,c){
      cout<<a[i][j];
      if(j==c-1)
        cout<<endl;
      else
        cout<<' ';
    }
  }
}
/*template<>
 void cou(vector<vector<char>> a){
  int b=a.size();
  int c=a[0].size();
  fo(i,b){
    fo(j,c){
      cout<<a[i][j];
      if(j==c-1)
        cout<<endl;
      else
        cout<<' ';
    }
  }
}*/
template<class L>
void ci(vector<vector<L>> a,int b,int c){
	fo(i,b){
		fo(j,b)
		cin>>a[i][j];
	}
}
 int wari(int a,int b) {
   if(a%b==0)
     return a/b;
   else
     return a/b+1;
 }
 int keta(int a){
  double b=a;
  b=log10(b);
  int c=b;
  return c+1;
 }
 int souwa(int a){
  return a*(a+1)/2;
 }
 int lcm(int a,int b){
  int d=a,e=b,f;
  if(a<b)
    swap(a,b);
  int c,m=1;
  while(m){
    c=a%b;
    if(c==0){
       f=b;
      m--;
    }
    else{
      a=b;
      b=c;
 }
  }
  return d*e/f;
    }
  int gcm(int a,int b){
      int d=a,e=b,f;
  if(a<b)
    swap(a,b);
  int c,m=1;
  while(m){
    c=a%b;
    if(c==0){
       f=b;
      m--;
    }
    else{
      a=b;
      b=c;
 }
  }
  return f;
  }
 bool prime(int a){
   if(a<2)
     return false;
   else if(a==2)
     return true;
   else if(a%2==0)
     return false;
   double b=sqrt(a);
    for(int i=3;i<=b;i+=2){
      if(a%i==0){
        return false;
      }
    }
   return true;
 }
signed main(){
	int a,c=0,d,e;
	cin>>a;
	vector<int> b(a);
	fo(i,a)
	cin>>b[i];
	Sort(b);
	for(int i=0;i<a;i=i){
		e=0;
		d=b[i];
		while(d==b[i]){
			e++;
			i++;
		}
		c+=e-1;
	}
	uni(b);
	if(c%2==0)
	    cout<<b.size()<<endl;
    else
    	cout<<b.sz+1<<endl;
}			

Compiler output:
a.cc: In function 'int main()':
a.cc:10:12: error: invalid use of member function 'std::vector<_Tp, _Alloc>::size_type std::vector<_Tp, _Alloc>::size() const [with _Tp = long long int; _Alloc = std::allocator<long long int>; size_type = long unsigned int]' (did you forget the '()' ?)
   10 | #define sz size
      |            ^
a.cc:137:17: note: in expansion of macro 'sz'
  137 |         cout<<b.sz+1<<endl;
      |                 ^~
Language: C++

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

int main(){
  long long N,ans,ans2;
cin>>N;
  ans=0;
  nector<long long>a(N),b(100001);
  for(int i=0;i<100001;i++){
   b[i]=0;
  }
  for(int i=0;i<N;i++){
cin>>a[i];
    b[a[i]]++;
    if(b[a[i]]==1){
      ans2++;
    }
  }
 if(ans2%2==0){
   ans2--;
 }
    cout<<ans2<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'nector' was not declared in this scope
    8 |   nector<long long>a(N),b(100001);
      |   ^~~~~~
a.cc:8:10: error: expected primary-expression before 'long'
    8 |   nector<long long>a(N),b(100001);
      |          ^~~~
a.cc:10:4: error: 'b' was not declared in this scope
   10 |    b[i]=0;
      |    ^
a.cc:13:6: error: 'a' was not declared in this scope
   13 | cin>>a[i];
      |      ^
a.cc:14:5: error: 'b' was not declared in this scope
   14 |     b[a[i]]++;
      |     ^
Language: C++

#include <iostream>
#include <algorithm>
#include <set>

using namespace std;

int main() {
    int n;
    cin >> n;
    set<int> s;
    for (int i=0; i<n; i++) {
        int a; cin >> a;
        s.insert(a);
    }
    cout << max(1, (s.size()+1)/2*2-1) << '\n';
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:16: error: no matching function for call to 'max(int, std::set<int>::size_type)'
   15 |     cout << max(1, (s.size()+1)/2*2-1) << '\n';
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:15:16: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::set<int>::size_type' {aka 'long unsigned int'})
   15 |     cout << max(1, (s.size()+1)/2*2-1) << '\n';
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~
/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,
                 from a.cc:2:
/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:15:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   15 |     cout << max(1, (s.size()+1)/2*2-1) << '\n';
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#pragma region include
#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <string>
#include <queue>
#include <stack>
#include <cmath>
#include <set>
#include <cstdio>
#define ALL(obj) (obj).begin(),(obj).end()
#define RALL(obj) (obj).rbegin(),(obj).rend()
#define REP(i, n) for(int i = 0; i < n; i++)
#define REPR(i, n) for(int i = n; i >= 0; i--)
#define FOR(i, m, n) for(int i = m; i < n; i++)
#define MOD 1000000007
#define INF 1000000000
#define LLINF 4000000000000000000
using namespace std;
typedef long long ll;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<VI> VVI;
#pragma endregion

//#define __DEBUG__
#ifdef  __DEBUG__
#define dump(x) cerr << #x << " = " << (x) << " [" << __LINE__ << ":" << __FUNCTION__ << "] " << endl;
// vector出力
template<typename T>
ostream& operator << (ostream& os, vector<T>& v) {
    os << "{";
    REP(i, (int)v.size()) { os << v[i] << (i < v.size() - 1 ? ", " : ""); }
    os << "}";
    return os;
}
// pair出力
template<typename T, typename U>
ostream& operator << (ostream& os, pair<T, U>& p) {
    return os << "(" << p.first << ", " << p.second << ")";
}
// map出力
template<typename T, typename U>
ostream& operator << (ostream& os, map<T, U>& map_var) {
    os << "{";
    for (auto itr = map_var.begin(); itr != map_var.end(); itr++) {
        os << "(" << itr->first << ", " << itr->second << ")";
        itr++;
        if (itr != map_var.end()) os << ", ";
        itr--;
    }
    os << "}";
    return os;
}
// set 出力
template<typename T>
ostream& operator << (ostream& os, set<T>& set_var) {
    os << "{";
    for (auto itr = set_var.begin(); itr != set_var.end(); itr++) {
        os << *itr;
        ++itr;
        if (itr != set_var.end()) os << ", ";
        itr--;
    }
    os << "}";
    return os;
}
#endif

int main() {
    cin.tie(0); ios::sync_with_stdio(false);
    int N, cnt = 0,ans = 0; cin >> N;
    VI A(100000, 0);
    REP(i, N) {
        int a;
        scanf_s("%d", &a);
        a--;
        A[a]++;
    }
    REP(i, 100000) {
        if (A[i] == 0) continue;
        ans++;
        if (A[i] % 2 == 0) {
            cnt++;
        }
    }
    if (cnt % 2 == 1) ans--;
    cout << ans << endl;
    getchar(); getchar();
}

Compiler output:
a.cc: In function 'int main()':
a.cc:77:9: error: 'scanf_s' was not declared in this scope; did you mean 'scanf'?
   77 |         scanf_s("%d", &a);
      |         ^~~~~~~
      |         scanf
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  vector<int> A(100001);
  int a;
  for(int i = 0;i < n;i++){
    cin >> a;
    A[a]++;
  }
  int even = 0;
  int odd = 0;
  for(int i = 0;i < 100001;i++){
    if(a[i] % 2 == 0 && a[i] > 0)even++;
    else odd++;
  }
  int ans = odd + even - (even%2);
  cout << ans << endl;
}
    
    


Compiler output:
a.cc: In function 'int main()':
a.cc:15:9: error: invalid types 'int[int]' for array subscript
   15 |     if(a[i] % 2 == 0 && a[i] > 0)even++;
      |         ^
a.cc:15:26: error: invalid types 'int[int]' for array subscript
   15 |     if(a[i] % 2 == 0 && a[i] > 0)even++;
      |                          ^
Language: C++

#include<iostream>
#include<cmath>
#include<algorithm>
#include<vector>
#include<cstring>
#include<string>
#include<iomanip>
#include<map>
#include<fstream>
#include<queue>
#include<windows.h>
#include<stack>

using namespace std;

int a[100010];


int main()
{
	int n, t, c;
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> t;
		a[t]++;
	}
	sort(a, a +100001, greater<int>());

	t = 0;
	//2m+1を1にする
	for (int i = 1; 2 * i + 1 <= 100000; i++) {
		for (int j = 0; j < n; j++) {
			if (a[j] == 2 * i + 1)
				a[j] = 1;
		}
	}

	//4以上を2にする
	for (int i = 0; i < n; i++) {
		if (a[i] >= 4)
			a[i] = 2;
	}

	sort(a, a +100001, greater<int>());

	//2のうち1にできるものをさがす
	for (int i = 0; i < n; i++) {
		if (a[i] == 2 && a[i + 1] == 2) {
			a[i] = 1;
			a[i + 1] = 1;
		}
	}

	//2枚残っているものがないかさがす
	for (int i = 0; i < n; i++) {
		if (a[i] == 2) {
			a[i] = 0;
		}
	}

	//数える
	c = 0;
	for (int i = 0; i < n; i++) {
		if (a[i] >= 1)
			c++;
	}
	cout << c << endl;
}

Compiler output:
a.cc:11:9: fatal error: windows.h: No such file or directory
   11 | #include<windows.h>
      |         ^~~~~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<cmath>
#include<algorithm>
#include<vector>
#include<cstring>
#include<string>
#include<iomanip>
#include<map>
#include<fstream>
#include<queue>
#include<windows.h>
#include<stack>
//#include"big_integers.h"

using namespace std;

int a[100010];


int main()
{
	int n, t, c;
	cin >> n;
	for (int i = 0; i < n; i++) {
		cin >> t;
		a[t]++;
	}
	sort(a, a +100001, greater<int>());

	t = 0;
	//2m+1を1にする
	for (int i = 1; 2 * i + 1 <= 100000; i++) {
		for (int j = 0; j < n; j++) {
			if (a[j] == 2 * i + 1)
				a[j] = 1;
		}
	}

	//4以上を2にする
	for (int i = 0; i < n; i++) {
		if (a[i] >= 4)
			a[i] = 2;
	}

	sort(a, a +100001, greater<int>());

	//2のうち1にできるものをさがす
	for (int i = 0; i < n; i++) {
		if (a[i] == 2 && a[i + 1] == 2) {
			a[i] = 1;
			a[i + 1] = 1;
		}
	}

	//2枚残っているものがないかさがす
	for (int i = 0; i < n; i++) {
		if (a[i] == 2) {
			a[i] = 0;
		}
	}

	//数える
	c = 0;
	for (int i = 0; i < n; i++) {
		if (a[i] >= 1)
			c++;
	}
	cout << c << endl;
}

Compiler output:
a.cc:11:9: fatal error: windows.h: No such file or directory
   11 | #include<windows.h>
      |         ^~~~~~~~~~~
compilation terminated.
Language: C++

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

int main(){
  int n; cin >> n;
  vector<int> a(n),v(100005); for(int i=0;i<n;i++) cin >> a[i];
  for(int i=0;i<n;i++) v[a[i]]++;
  int count=0, even=0;
  for(int i=1;i<100005;i++){
  	if(v[i]>0){
      count++;
      if(v[i]%2==0) even++;
    }
  }
  cout << count - even%2 << endl;
  return 0;
}

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

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

int n, a[100005], ans, cnt;
map<char, int> mp;

signed main()
{
    cin >> n;
    for(int i = 0; i < n; i++){
        cin >> a[i];
        mp[a[i]]++;
    }
    map<char, int> :: iterator ite;
    for(ite = mp.begin(); ite != mp.end(); ite++){
        ans++;
        if(ite -> second % 2 == 0){
            cnt++;
        }
        if(ite -> second > 2){
            res++;
        }
    }
    if(cnt % 2 && res > 0){
        ans -= 1;
    }
    cout << ans << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:13: error: 'res' was not declared in this scope
   22 |             res++;
      |             ^~~
a.cc:25:19: error: 'res' was not declared in this scope
   25 |     if(cnt % 2 && res > 0){
      |                   ^~~
Language: C++

#include<bits/stdc++.h>

#define INF 1e9
#define llINF 1e18
#define MOD 1e9+7
#define pb push_back
#define mp make_pair 
#define F first
#define S second
#define ll long long
using namespace std;
int main(){
  int n;cin>>n;
  vector<int>num(1e5+10);
  for(int i=0;i<n;i++){
    int a;cin>>a;
    num[a]++;
  }
  sort(num.begin(),num.end(),greater<int>());
  int cnt=0;
  for(int i=0;i<=n;i++){
    if(num[i]<=1)break;
    if(num[i]%3==0)num[i]=0;
    if(num[i]%3==2){num[i]=1;cnt++;}
    if(num[i]%3==1)num[i]=1;
  }
  int ans=0;
  for(int i=0;i<=n;i++)
    ans+=num[i];
  cout<ans-cnt<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:15: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   30 |   cout<ans-cnt<<endl;
      |        ~~~~~~~^~~~~~
Language: C++

#include <iostream>
#include <cstdlib>
#include <string>
#include <vector>
#include <algorithm>
#include <queue>
#include <map>
#define p pair <int,int>
#define rep(i,n) for(int i=0;i<n;i++)
typedef long long ll;
using namespace std;
int n,buckets[100005];
vector<int> sorted;
vector<int>::iterator it;
int main(int argc,char const* argv[])
{
  int count=0;
  cin >> n;
  vector<int> a(n,0);
  rep(i,n)
    {
      scanf("%d",&a[i]);
    }
  map<int, int> mp;
  for(int i=0;i<n;i++)
    {
      mp[a[i]]++;
    }
  int k=mp.size();
  for(auto itr = mp.begin(); itr != mp.end(); itr++)
    {
      count+=itr->second - 1;
    }
  while(count-2>0)
    {
      count-=2;
    }
  if(count ==1)
    {
      cout << k-1 << endl;
      return 0;
    }
  else
    {
      cout << k << endl;
      return 0;
    }
  


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:47:6: error: expected '}' at end of input
   47 |     }
      |      ^
a.cc:16:1: note: to match this '{'
   16 | {
      | ^
Language: C++

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

int N;
int C[100010] = {0};
int K = 0;
int sum = 0;

int main()
{
    scanf("%d",&N);
    for(int i = 0; i < N; i++)
    {
        int A;
        scanf("%d",&A);
        if(C[A] == 0)
        {
            K++;
        }
        C[A]++;
    }
    for(int i = 1; i < N + 1; i++)
    {
        if(C[i] != 0)
        {
            sum += C[i] - 1;
        }
    }
    printf("%d\n",K - sum % 2);
    return 0;
}


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

#include <iostream>
#include <algorithm>

using namespace std;

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

  vector<int> vs(n);

  for(int i = 0; i < n; i++){
	cin >> vs[i];
  }

  sort(vs.begin(), vs.end());
  vs.erase(unique(vs.begin(), vs.end()), vs.end());

  int dup = n - vs.size();

  if(dup % 2 == 0) {
	cout << n - dup << endl;
  } else {
	cout << n - dup - 1 << endl;
  }  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: 'vector' was not declared in this scope
   11 |   vector<int> vs(n);
      |   ^~~~~~
a.cc:3:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    2 | #include <algorithm>
  +++ |+#include <vector>
    3 | 
a.cc:11:10: error: expected primary-expression before 'int'
   11 |   vector<int> vs(n);
      |          ^~~
a.cc:14:16: error: 'vs' was not declared in this scope
   14 |         cin >> vs[i];
      |                ^~
a.cc:17:8: error: 'vs' was not declared in this scope
   17 |   sort(vs.begin(), vs.end());
      |        ^~
Language: C++

n=int(input())
a=[int(i) for i in input().split()]
a.sort()
b=[a[0]]
def f(i):
 if i==n:
   print(len(b))
   return 0
 if a[i]!=b[-1]:
   b.append(a[i])
   f(i+1)
 else:
   f(i+2)
f(1)

Compiler output:
a.cc:1:1: error: 'n' does not name a type
    1 | n=int(input())
      | ^
Language: C++

//
//  main.cpp
//  atc-reg68-D
//
//  Created by 岩井聡 on 2017/02/10.
//  Copyright © 2017年 岩井聡. All rights reserved.
//

#include <iostream>
#include <stdlib.h>


int n;

int map[100001];

int main(int argc, const char * argv[]) {
    //    freopen("/Volumes/4HOPE/Dropbox/17Todai/CodeJam/R1C-2015-C/in.txt","r",stdin);
    //    freopen("/Volumes/4HOPE/Dropbox/17Todai/CodeJam/R1C-2015-C/out.txt","w",stdout);
    
    scanf("%d",&n);
    memset(map,0,sizeof(map));
    int k;
    int sum = n;
    for(int i=0;i<n;i++){
        scanf("%d",&k);
        map[k] ++;
        if(map[k] >= 3){
            map[k]-=2;
            sum-=2;
        }
    }
    int cnt=0;
    for(int i=1;i<=100000;i++){
        if(map[i] >= 2){
            cnt ++;
            if(cnt == 2){
                sum-=2;
                cnt=0;
            }
        }
    }
    printf("%d",sum);
    return 0;
}


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:22:5: error: 'memset' was not declared in this scope
   22 |     memset(map,0,sizeof(map));
      |     ^~~~~~
a.cc:11:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
   10 | #include <stdlib.h>
  +++ |+#include <cstring>
   11 |
Language: C++

//
//  main.cpp
//  atc-reg68-D
//
//  Created by 岩井聡 on 2017/02/10.
//  Copyright © 2017年 岩井聡. All rights reserved.
//

#include <iostream>


int n;

int solve(void);
int map[100001];

int main(int argc, const char * argv[]) {
    //    freopen("/Volumes/4HOPE/Dropbox/17Todai/CodeJam/R1C-2015-C/in.txt","r",stdin);
    //    freopen("/Volumes/4HOPE/Dropbox/17Todai/CodeJam/R1C-2015-C/out.txt","w",stdout);
    
    scanf("%d",&n);
    memset(map,0,sizeof(map));
    int k;
    int sum = n;
    for(int i=0;i<n;i++){
        scanf("%d",&k);
        map[k] ++;
        if(map[k] >= 3){
            map[k]-=2;
            sum-=2;
        }
    }
    int cnt=0;
    for(int i=1;i<=100000;i++){
        if(map[i] >= 2){
            cnt ++;
            if(cnt == 2){
                sum-=2;
                cnt=0;
            }
        }
    }
    printf("%d",sum);
    return 0;
}


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:22:5: error: 'memset' was not declared in this scope
   22 |     memset(map,0,sizeof(map));
      |     ^~~~~~
a.cc:10:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    9 | #include <iostream>
  +++ |+#include <cstring>
   10 |
Language: C++

#include<cstdio>
#include<algorithm>
#include<map>

using namespace std;

int n,i,x;

map<int,int>mp;

int main()
{
      scanf("%d",&n);
      for (i=1;i<=n;++i) scanf("%d",&x),mp[x]++;
      for (map<int,int>::iterator it=mp.begin();it!=mp.end();++it)
         ans+=it->se-1;
     printf("%d\n",n-ans-(ans%2));
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:10: error: 'ans' was not declared in this scope; did you mean 'abs'?
   16 |          ans+=it->se-1;
      |          ^~~
      |          abs
a.cc:16:19: error: 'struct std::pair<const int, int>' has no member named 'se'
   16 |          ans+=it->se-1;
      |                   ^~
a.cc:17:22: error: 'ans' was not declared in this scope; did you mean 'abs'?
   17 |      printf("%d\n",n-ans-(ans%2));
      |                      ^~~
      |                      abs