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

#include <iostream>

using namespace std;

int f(int num){
  if(num%2)
    if((num+1)%4>=2)
      return 1;
  	else
      return 0;
  else
    if((num+1)%4>=2)
	  return (num);
  	else
      return num&~1;
}

int main(){
 int A,B;
  cin >> A >> B;
  cout << f(A-1)^f(B); 
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:17: error: no match for 'operator^' (operand types are 'std::basic_ostream<char>' and 'int')
   21 |   cout << f(A-1)^f(B);
      |   ~~~~~~~~~~~~~~^~~~~
      |        |          |
      |        |          int
      |        std::basic_ostream<char>
a.cc:21:17: note: candidate: 'operator^(int, int)' (built-in)
   21 |   cout << f(A-1)^f(B);
      |   ~~~~~~~~~~~~~~^~~~~
a.cc:21:17: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'int'
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
                 from /usr/include/c++/14/string:68,
                 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/cstddef:146:3: note: candidate: 'constexpr std::byte std::operator^(byte, byte)'
  146 |   operator^(byte __l, byte __r) noexcept
      |   ^~~~~~~~
/usr/include/c++/14/cstddef:146:18: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::byte'
  146 |   operator^(byte __l, byte __r) noexcept
      |             ~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:94:3: note: candidate: 'constexpr std::_Ios_Fmtflags std::operator^(_Ios_Fmtflags, _Ios_Fmtflags)'
   94 |   operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:94:27: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Fmtflags'
   94 |   operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:144:3: note: candidate: 'constexpr std::_Ios_Openmode std::operator^(_Ios_Openmode, _Ios_Openmode)'
  144 |   operator^(_Ios_Openmode __a, _Ios_Openmode __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:144:27: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Openmode'
  144 |   operator^(_Ios_Openmode __a, _Ios_Openmode __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:191:3: note: candidate: 'constexpr std::_Ios_Iostate std::operator^(_Ios_Iostate, _Ios_Iostate)'
  191 |   operator^(_Ios_Iostate __a, _Ios_Iostate __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:191:26: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Iostate'
  191 |   operator^(_Ios_Iostate __a, _Ios_Iostate __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~^~~
Language: C++

#include <iostream>

using namespace std;

int f(int num){
  if(num%2)
    if((num+1)%4>=2)
	  return (num);
  	else
      return num&~1;
  else
    if((num+1)%4>=2)
      return 1;
  	else
      return 0;
}

int main(){
 int A,B;
  cin >> A >> B;
  cout << f(A-1)^f(B); 
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:17: error: no match for 'operator^' (operand types are 'std::basic_ostream<char>' and 'int')
   21 |   cout << f(A-1)^f(B);
      |   ~~~~~~~~~~~~~~^~~~~
      |        |          |
      |        |          int
      |        std::basic_ostream<char>
a.cc:21:17: note: candidate: 'operator^(int, int)' (built-in)
   21 |   cout << f(A-1)^f(B);
      |   ~~~~~~~~~~~~~~^~~~~
a.cc:21:17: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'int'
In file included from /usr/include/c++/14/bits/memory_resource.h:38,
                 from /usr/include/c++/14/string:68,
                 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/cstddef:146:3: note: candidate: 'constexpr std::byte std::operator^(byte, byte)'
  146 |   operator^(byte __l, byte __r) noexcept
      |   ^~~~~~~~
/usr/include/c++/14/cstddef:146:18: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::byte'
  146 |   operator^(byte __l, byte __r) noexcept
      |             ~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:94:3: note: candidate: 'constexpr std::_Ios_Fmtflags std::operator^(_Ios_Fmtflags, _Ios_Fmtflags)'
   94 |   operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:94:27: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Fmtflags'
   94 |   operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:144:3: note: candidate: 'constexpr std::_Ios_Openmode std::operator^(_Ios_Openmode, _Ios_Openmode)'
  144 |   operator^(_Ios_Openmode __a, _Ios_Openmode __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:144:27: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Openmode'
  144 |   operator^(_Ios_Openmode __a, _Ios_Openmode __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/ios_base.h:191:3: note: candidate: 'constexpr std::_Ios_Iostate std::operator^(_Ios_Iostate, _Ios_Iostate)'
  191 |   operator^(_Ios_Iostate __a, _Ios_Iostate __b) _GLIBCXX_NOTHROW
      |   ^~~~~~~~
/usr/include/c++/14/bits/ios_base.h:191:26: note:   no known conversion for argument 1 from 'std::basic_ostream<char>' to 'std::_Ios_Iostate'
  191 |   operator^(_Ios_Iostate __a, _Ios_Iostate __b) _GLIBCXX_NOTHROW
      |             ~~~~~~~~~~~~~^~~
Language: Java

import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    long start = scanner.nextLong();
    long end = scanner.nextLong();
    
    int result = 0;
    for (int ix = start; ix <= end; ix++) {
      result ^= ix;
    }
    
    System.out.println(result);
  }
}


Compiler output:
Main.java:10: error: incompatible types: possible lossy conversion from long to int
    for (int ix = start; ix <= end; ix++) {
                  ^
1 error
Language: Java

import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    int start = scanner.nextInt();
    int end = scanner.nextInt();
    
    int result = 0;
    for (int ix = start; ix < end; ix++) {
      result ^= ix;
    }
    
    return result;
  }
}

Compiler output:
Main.java:14: error: incompatible types: unexpected return value
    return result;
           ^
1 error
Language: C++

#include <iostream>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <string>
using namespace std;

vector<long long> nishin(long long n){
  vector<long long> result;
  if (n == 0){
    result.push_back(0);
  }

  while(n > 0){
    result.push_back(n%2);
    n /= 2;
  }

  return result;
}

long long zisshin(vector<long long> nishinN){
  long long result = 0;
  long long length = nishinN.size();

  long long ite = 0;
  long long tmp = 1;
  while(ite < length){
    result += nishinN[ite] * tmp;
    tmp *= 2;
    ite++;
  }

  return result;
}

long long nishintotal(long long N){
  long long modN = N % 4;
  if(modN == 0){
    return N;
  }else if(modN == 1){
    return 1;
  }else if(modN == 2){
    return N+1;
  }else if(modN == 3){
    return 0;
  }
}

vector<long long> nishinplus(vector<long long> nishinN, vector<long long> nishinM){
  vector<long long> result;
  long long lengthN = nishinN.size();
  long long lengthM = nishinM.size();
  long long ite = 0;
  for(ite=0;ite<lengthN;ite++){
    result.push_back((nishinN[ite] + nishinM[ite]) % 2);
  }
  while(ite < lengthM){
    result.push_back(nishinM[ite]);
    ite++;
  }

  return result;
}

long long main(){
  long long A, B;
  cin >> A >> B;

  long long Amsum, Bsum;
  long long result;

  if(A > 1){
    Amsum = nishintotal(A-1);
    Bsum = nishintotal(B);
    vector<long long> resultNishin = nishinplus(nishin(Amsum), nishin(Bsum));
    result = zisshin(resultNishin);
  }else{
    result = nishintotal(B);
  }

  cout << result << "\n";
  return 0;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
a.cc: In function 'long long int nishintotal(long long int)':
a.cc:50:1: warning: control reaches end of non-void function [-Wreturn-type]
   50 | }
      | ^
Language: C++

#include <iostream>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <string>
using namespace std;

vector<long long> nishin(long long n){
  vector<long long> result;
  if (n == 0){
    result.push_back(0);
  }

  while(n > 0){
    result.push_back(n%2);
    n /= 2;
  }

  return result;
}

long long zisshin(vector<long long> nishinN){
  long long result = 0;
  long long length = nishinN.size();

  long long ite = 0;
  long long tmp = 1;
  while(ite < length){
    result += nishinN[ite] * tmp;
    tmp *= 2;
    ite++;
  }

  return result;
}

long long nishlong longotal(long long N){
  long long modN = N % 4;
  if(modN == 0){
    return N;
  }else if(modN == 1){
    return 1;
  }else if(modN == 2){
    return N+1;
  }else if(modN == 3){
    return 0;
  }
}

vector<long long> nishinplus(vector<long long> nishinN, vector<long long> nishinM){
  vector<long long> result;
  long long lengthN = nishinN.size();
  long long lengthM = nishinM.size();
  long long ite = 0;
  for(ite=0;ite<lengthN;ite++){
    result.push_back((nishinN[ite] + nishinM[ite]) % 2);
  }
  while(ite < lengthM){
    result.push_back(nishinM[ite]);
    ite++;
  }

  return result;
}

long long main(){
  long long A, B;
  cin >> A >> B;

  long long Amsum, Bsum;
  long long result;

  if(A > 1){
    Amsum = nishlong longotal(A-1);
    Bsum = nishlong longotal(B);
    vector<long long> resultNishin = nishinplus(nishin(Amsum), nishin(Bsum));
    result = zisshin(resultNishin);
  }else{
    result = nishlong longotal(B);
  }

  cout << result << "\n";
  return 0;
}


Compiler output:
a.cc:39:20: error: expected initializer before 'longotal'
   39 | long long nishlong longotal(long long N){
      |                    ^~~~~~~~
cc1plus: error: '::main' must return 'int'
a.cc: In function 'int main()':
a.cc:76:13: error: 'nishlong' was not declared in this scope; did you mean 'nishin'?
   76 |     Amsum = nishlong longotal(A-1);
      |             ^~~~~~~~
      |             nishin
a.cc:81:14: error: 'nishlong' was not declared in this scope; did you mean 'nishin'?
   81 |     result = nishlong longotal(B);
      |              ^~~~~~~~
      |              nishin
Language: C++

import sys

[A,B] = list(map(int, input().split()))

if(A == B):
    print(A)
    sys.exit(0)

ans = 0

get_bin = lambda x, n: format(x, 'b').zfill(n)

if A % 2 == 0:
    if (B-A+1) % 4 in [2,3]:
        ans +=1
else:
    if (B-A+1) % 4 in [1,2]:
        ans += 1
    
for i in range(1, 32):
    #print(i)

    a_k = (A >> i) & 1
    b_k = (B >> i) & 1



    a_index = A & ( (1 << i) - 1)
    b_index = B & ( (1 << i) - 1)


    #print(a_k, b_k)
    #print(a_index, b_index)

    count_bit = 0

    if B-A+1 <= (1 << i) - a_index:
    #    print("count",  (1<<i) - a_index)
        count_bit = a_k*(B-A+1)
    else:
        count_bit += a_k*( (1 << i) - a_index) 
        count_bit += b_k*(b_index+1)

    #    print( 'a', (1 << i) - a_index)
    #    print( 'b', b_index)

    if count_bit % 2 == 1:
        ans |= (1 << i)

    #print()

print(ans)

    


Compiler output:
a.cc:21:6: error: invalid preprocessing directive #print
   21 |     #print(i)
      |      ^~~~~
a.cc:32:6: error: invalid preprocessing directive #print
   32 |     #print(a_k, b_k)
      |      ^~~~~
a.cc:33:6: error: invalid preprocessing directive #print
   33 |     #print(a_index, b_index)
      |      ^~~~~
a.cc:38:10: error: invalid preprocessing directive #print
   38 |     #    print("count",  (1<<i) - a_index)
      |          ^~~~~
a.cc:44:10: error: invalid preprocessing directive #print
   44 |     #    print( 'a', (1 << i) - a_index)
      |          ^~~~~
a.cc:45:10: error: invalid preprocessing directive #print
   45 |     #    print( 'b', b_index)
      |          ^~~~~
a.cc:50:6: error: invalid preprocessing directive #print
   50 |     #print()
      |      ^~~~~
a.cc:1:1: error: 'import' does not name a type
    1 | import sys
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#include <limits>
#include <vector>
#include <cstdio>
#include <bits/stdc++.h>
#include <set>
#include <map>
#include <stdio.h>
#include <stack>
#include <queue>
#include <deque>
#include <numeric>
#include <bits/stdc++.h>
#include <utility>
#include <iomanip>

#define ALL(obj) (obj).begin(), (obj).end()
#define FOR(i,a,b) for(int i = (a); i < (b); i++)
#define RFOR(i,a,b) for(int i = (a); (b) <= i; i--)
#define REP(i,n) for(int i = 0; i < (n); i++)
#define RREP(i,n) for(int i = n; n <= i; i--)
#define ABS(a) ((a < 0) ? ((-1)*(a)) : (a))
#define elif else if
#define MOD 1000000007
#define INF (1<<30)

using namespace std;

#define ld long double
#define ll long long

map <int ,int> mpa,mpb;
typedef pair<ll, ll> P;
priority_queue<P, vector<P>, greater<P>> pque;

ll xor(ll num){
  ll cnt=0;
  for(ll i=64;i>=0;i--){
    ll x=(1LL<<i);
    if(num<x)continue;
    if(x<=num){
      if((num-x-1+2)%2==1){
        cnt+=x;
      }
      num-=x;
    }
  }
  return cnt;
}

int main(){
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  ll A,B;
  ll ans=0;
  cin >> A >> B;
  if(A==B){
    cout << A << endl;
    return 0;
  }
  A--;
  ll a=xor(A);
  ll b=xor(B);
  ans=a^b;
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc:38:4: error: expected unqualified-id before 'xor' token
   38 | ll xor(ll num){
      |    ^~~
a.cc: In function 'int main()':
a.cc:64:8: error: expected primary-expression before 'xor' token
   64 |   ll a=xor(A);
      |        ^~~
a.cc:65:8: error: expected primary-expression before 'xor' token
   65 |   ll b=xor(B);
      |        ^~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

#define long __int64

long f0(long k) {
	if (k == -1) return 0;
	if (k % 4 == 3) return 0;
	if (k % 4 == 0) return k;
	if (k % 4 == 1) return 1;
	if (k % 4 == 2) return k ^ 1;
}

int main() {
	long A, B;
	cin >> A >> B;
	cout << (f0(A - 1) ^ f0(B)) << endl;
	return 0;
}

Compiler output:
a.cc:5:14: error: '__int64' does not name a type; did you mean '__int64_t'?
    5 | #define long __int64
      |              ^~~~~~~
a.cc:7:1: note: in expansion of macro 'long'
    7 | long f0(long k) {
      | ^~~~
a.cc: In function 'int main()':
a.cc:5:14: error: '__int64' was not declared in this scope; did you mean '__ynf64'?
    5 | #define long __int64
      |              ^~~~~~~
a.cc:16:9: note: in expansion of macro 'long'
   16 |         long A, B;
      |         ^~~~
a.cc:17:16: error: 'A' was not declared in this scope
   17 |         cin >> A >> B;
      |                ^
a.cc:17:21: error: 'B' was not declared in this scope
   17 |         cin >> A >> B;
      |                     ^
a.cc:18:18: error: 'f0' was not declared in this scope; did you mean 'y0'?
   18 |         cout << (f0(A - 1) ^ f0(B)) << endl;
      |                  ^~
      |                  y0
Language: C++

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

long long xorsum(long long x){//0からｘまでの排他的論理和を求める関数
    if(x%4 == 3){return 0;}//０になる
    if(x%4 == 1){return 1;}//１になる
    if(x%4 == 2){return (x^1);}//x^1はダメ,x+1==x^1は正しい
    if(x%4 == 0){return x;}//０とｘの排他的論理和になる
}
//A==0のときA-1==-1よりxorsumは何も返さない（０を返す）
//よって0^xorsum(B)を出力するのでＯＫ

int main (){
    long long A,B;
    cin >> A >> B;
    if(A == 0){
        cout <<< xorsum(B) << endl;
    }
    else{
    cout << (xorsum(A-1) ^ xorsum(B)) << endl;
    }
    //x^yは（）で囲うこと
    //A-1とBの排他的論理和
    //A==0の場合分け？
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:16: error: expected primary-expression before '<' token
   17 |         cout <<< xorsum(B) << endl;
      |                ^
a.cc:17:28: error: invalid operands of types 'long long int' and '<unresolved overloaded function type>' to binary 'operator<<'
   17 |         cout <<< xorsum(B) << endl;
      |                  ~~~~~~~~~~^~~~~~~
a.cc: In function 'long long int xorsum(long long int)':
a.cc:9:1: warning: control reaches end of non-void function [-Wreturn-type]
    9 | }
      | ^
Language: C++

#include<iostream>
#include<vector>
#include<cstdio>
#include<string>
#include<algorithm>
#include <bitset>
using namespace std;

long long calc(long long a){
	int cnt = (a + 1) / 2;
	long long ans = cnt % 2;
	if(a % 2 == 0) ans ^= a;
	return ans;
}

int main() {
	long A, B;
	cin >> A >> B;
	long long ans = calc(B) - calc(A-1)
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:9: error: expected ',' or ';' before 'cout'
   20 |         cout << ans << endl;
      |         ^~~~
Language: C++

#include <iostream>

using namespace std;

int main(){
	int a,b;

	cin >> a >> b;

	cout << a^b << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   10 |         cout << a^b << endl;
      |                   ~~^~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  long long a,b;cin>>a>>b;
  long long x,y;
  if(a%4==0)x=a;
  if(a%4==1)x=1;
  if(a%4==2)x=a+1;
  if(a%4==3)x=0;
  if(b%4==0)y=b;
  if(b%4==1)y=1;
  if(b%4==2)y=b+1;
  if(b%4==3)y=0;
  ll u=x^y;
  u=u^a;
  cout<<u<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:3: error: 'll' was not declared in this scope
   14 |   ll u=x^y;
      |   ^~
a.cc:15:3: error: 'u' was not declared in this scope
   15 |   u=u^a;
      |   ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  long long a,b;cin>>a>>b;
  ll x,y;
  if(a%4==0)x=a;
  if(a%4==1)x=1;
  if(a%4==2)x=a+1;
  if(a%4==3)x=0;
  if(b%4==0)y=b;
  if(b%4==1)y=1;
  if(b%4==2)y=b+1;
  if(b%4==3)y=0;
  ll u=x^y;
  u=u^a;
  cout<<u<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'll' was not declared in this scope
    5 |   ll x,y;
      |   ^~
a.cc:6:13: error: 'x' was not declared in this scope
    6 |   if(a%4==0)x=a;
      |             ^
a.cc:7:13: error: 'x' was not declared in this scope
    7 |   if(a%4==1)x=1;
      |             ^
a.cc:8:13: error: 'x' was not declared in this scope
    8 |   if(a%4==2)x=a+1;
      |             ^
a.cc:9:13: error: 'x' was not declared in this scope
    9 |   if(a%4==3)x=0;
      |             ^
a.cc:10:13: error: 'y' was not declared in this scope
   10 |   if(b%4==0)y=b;
      |             ^
a.cc:11:13: error: 'y' was not declared in this scope
   11 |   if(b%4==1)y=1;
      |             ^
a.cc:12:13: error: 'y' was not declared in this scope
   12 |   if(b%4==2)y=b+1;
      |             ^
a.cc:13:13: error: 'y' was not declared in this scope
   13 |   if(b%4==3)y=0;
      |             ^
a.cc:14:5: error: expected ';' before 'u'
   14 |   ll u=x^y;
      |     ^~
      |     ;
a.cc:15:3: error: 'u' was not declared in this scope
   15 |   u=u^a;
      |   ^
Language: C++

#include <iostream>
 #include <algorithm>
 #include <vector>
 #include <string>
 #include <map>
 #include <set>
 using namespace std;
 
 long long calc(long A) {
 	if(A <= 0) return A;
 	long long ans = 0;
 	for(int i = 0; i < 50; i++) {
 		//0桁目 -> 周期2
 		//1桁目 -> 周期4
 		long long loop = (1LL << (i + 1));
 		long long cnt = (A / loop) * (loop / 2);
 		cnt += max(0, (A % loop) - (loop / 2));
 		if(cnt % 2 == 1) {
 			ans += 1LL << i;
 		}
 	}
 	return ans;
 }
 
 int main() {
 	long long A, B;
 	long long ans = calc(B) ^ calc(A-1);
 	cout << ans << endl;
 }

Compiler output:
a.cc: In function 'long long int calc(long int)':
a.cc:17:27: error: no matching function for call to 'max(int, long long int)'
   17 |                 cnt += max(0, (A % loop) - (loop / 2));
      |                        ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:17:27: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   17 |                 cnt += max(0, (A % loop) - (loop / 2));
      |                        ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/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:17:27: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   17 |                 cnt += max(0, (A % loop) - (loop / 2));
      |                        ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<cmath>
#include<map>
#include<cstdio>
#include<stack>
#include<queue>
#include<fstream>
#include<cstdio>
#include<deque>
#include<iomanip>
#include <numeric>
//#include<bits/stdc++.h>

using namespace std;
#define ok1 printf("ok1\n");
#define ok2 printf("ok2\n");
#define M 1000000000000000000LL
#define rep(i,n) for(int i=0;i<n;++i)
#define REP(i,s,n) for(int i=(s);i<(n);++i)
#define repr(i,n) for(int i=n-1;i>=0;--i)
#define REPR(i,s,n) for(int i=(s);i>=(n);--(i))
#define all(a) (a).begin(),(a).end()
#define reall(a) (a).rbegin(),(a).rend()
#define pb push_back
#define pf push_front
#define MIN(a,b) a=min((a),(b))
#define MAX(a,b) a=max((a),(b))
#define SIZE(v) (int)v.size()
const double pi = acos(-1.0);

typedef vector<int> vi;
typedef vector<string> vs;
typedef long long ll;
typedef vector<ll> vll;
typedef vector<vi> vvi;
typedef vector<vll> vvll;
typedef vector<bool> vb;
typedef deque<ll> dll;
typedef pair<ll, ll> P;
typedef vector<P> vP;
const ll mod = 1e9 + 7;
ll dx[4] = { 1,0,-1,0 };
ll dy[4] = { 0,1,0,-1 };

void printvll(vll v) {
	cout << "------------------------------------------------\n";
	rep(i, v.size()) cout << v[i] << " ";
	cout << endl;
	cout << "------------------------------------------------\n";
}
void printvvll(vvll v) {
	cout << "------------------------------------------------\n";
	rep(i, v.size()) {
		rep(j, v[i].size()) {
			cout << v[i][j] << " ";
		}
		cout << endl;
	}
	cout << "------------------------------------------------\n";
}

void prints(string s) {
	cout << "------------------------------------------------\n";
	rep(i, s.size()) cout << s[i] << " ";
	cout << endl;
	cout << "------------------------------------------------\n";
}

void printvs(vs s) {
	cout << "------------------------------------------------\n";
	rep(i, s.size()) {
		rep(j, s[i].size()) {
			cout << s[i][j] << " ";
		}
		cout << endl;
	}
	cout << "------------------------------------------------\n";
}

void Yes(bool x) {
	if (x) cout << "Yes\n";
	else cout << "No\n";
}

void YES(bool x) {
	if (x) cout << "YES\n";
	else cout << "NO\n";
}

void yes(bool x) {
	if (x) cout << "yes\n";
	else cout << "no\n";
}

ll calc(ll a) {
	vll v = { a,1,a + 1,0 };
	return v[a % 4];
}

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

	ll  d, n, m, k, ans = 0, ret = M;
	bool flag = false, flag2 = false;
	string s, t;
	cin >> n >> m;
	cout << calc(m) ^ calc(n - 1) << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:111:39: error: invalid operands of types 'll' {aka 'long long int'} and '<unresolved overloaded function type>' to binary 'operator<<'
  111 |         cout << calc(m) ^ calc(n - 1) << endl;
      |                           ~~~~~~~~~~~~^~~~~~~
Language: C++

#include <iostream>
#include <iomanip>
#include <cstdio>
#include <queue>
#include <cstring>
#include <vector>
#include <map>
#include <algorithm>
#include <cctype>
#include <cmath>
#include <bitset>
using namespace std;

#define REP(i,n) for(int i=0;i<(int)(n);i++)
#define FOR(i,k,n) for(int i=(k);i<(int)(n);++i)
#define all(i,n) (i),(i+n)

int dx4[4]={1,0,-1,0};
int dy4[4]={0,-1,0,1};
int dx8[8]={1,0,-1,1,-1,1,0,-1};
int dy8[8]={1,1,1,0,0,-1,-1,-1};

typedef pair<int, int> P;
typedef pair<string, int> SP;
typedef long long ll;

const int INF = 1e9;
const int MAX_V = 1e6+1;
const ll mod = 1000000007;

// --------------------------------------
int A, B;
int soli(int a) {
  if(a % 4 == 0) {
    return 0 ^ a
  } else if(a %  4 == 1) {
    return 0;
  } else if(a % 4 == 2) {
    return 1 ^ a;
  } else {
    return 1;
  }
}

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

  cin >> A >> B;
  int fa = soli(A - 1);
  int fb = soli(B);
  cout << (fa ^ fb) << endl;
}


Compiler output:
a.cc: In function 'int soli(int)':
a.cc:35:17: error: expected ';' before '}' token
   35 |     return 0 ^ a
      |                 ^
      |                 ;
   36 |   } else if(a %  4 == 1) {
      |   ~
Language: C++

#include <bits/stdc++.h>
#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 FORR(i, m, n) for(int i = m;i >= n;i--)
#define SORT(v, n) sort(v, v+n);
#define VSORT(v) sort(v.begin(), v.end());
#define llong long long
#define pb(a) push_back(a)
#define INF 999999999
using namespace std;
typedef pair<int, int> P;
typedef pair<llong, llong> LP;
typedef pair<int, P> PP;
typedef pair<llong, LP> LPP;

int dy[]={0, 0, 1, -1};
int dx[]={1, -1, 0, 0};


int solve(int i,int n){
  n++;
  n %= pow(2,i+1);
  if(n>pow(2,i)){
    if(n%2==1){
      return 1;
    }else{
      return 0;
    }
  }
}

int main(){

  llong a,b;
  cin>>a>>b;
  int ma = 0;
  while(1){
    if(pow(2,ma)<=b){
      ma++
    }else{
      break;
    }
  }
  llong ans = 0;
  REP(i,ma){
    if(solve(b)+solve(a)==1){
      ans += pow(2,i);
    }
  }

  cout<<ans<<endl;
 

  return 0;
}

Compiler output:
a.cc: In function 'int solve(int, int)':
a.cc:23:5: error: invalid operands of types 'int' and '__gnu_cxx::__promote<double>::__type' {aka 'double'} to binary 'operator%'
   23 |   n %= pow(2,i+1);
      |   ~~^~~~~~~~~~~~~
a.cc:23:5: note:   in evaluation of 'operator%=(int, __gnu_cxx::__promote<double>::__type {aka double})'
a.cc: In function 'int main()':
a.cc:40:11: error: expected ';' before '}' token
   40 |       ma++
      |           ^
      |           ;
   41 |     }else{
      |     ~      
a.cc:47:13: error: too few arguments to function 'int solve(int, int)'
   47 |     if(solve(b)+solve(a)==1){
      |        ~~~~~^~~
a.cc:21:5: note: declared here
   21 | int solve(int i,int n){
      |     ^~~~~
a.cc:47:22: error: too few arguments to function 'int solve(int, int)'
   47 |     if(solve(b)+solve(a)==1){
      |                 ~~~~~^~~
a.cc:21:5: note: declared here
   21 | int solve(int i,int n){
      |     ^~~~~
a.cc: In function 'int solve(int, int)':
a.cc:31:1: warning: control reaches end of non-void function [-Wreturn-type]
   31 | }
      | ^
Language: C++

#include <iostream>
#include <iomanip>
#include <cstdio>
#include <queue>
#include <cstring>
#include <vector>
#include <map>
#include <algorithm>
#include <cctype>
#include <cmath>
#include <bitset>
using namespace std;

#define REP(i,n) for(int i=0;i<(int)(n);i++)
#define FOR(i,k,n) for(int i=(k);i<(int)(n);++i)
#define all(i,n) (i),(i+n)

int dx4[4]={1,0,-1,0};
int dy4[4]={0,-1,0,1};
int dx8[8]={1,0,-1,1,-1,1,0,-1};
int dy8[8]={1,1,1,0,0,-1,-1,-1};

typedef pair<int, int> P;
typedef pair<string, int> SP;
typedef long long ll;

const int INF = 1e9;
const int MAX_V = 1e6+1;
const ll mod = 1000000007;

// --------------------------------------
int A, B;
int soli(int a) {
  int b, c;
  b = (a / 2) % 2 == 0 ? 0 : 1;
  c = a % 2 == 0 ? b ^ a : a;
  return c;
}

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

  cin >> A >> B;
  int ans = (soli(A - 1) ^ soli(B))
  if(A == B) ans = A;
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:46:3: error: expected ',' or ';' before 'if'
   46 |   if(A == B) ans = A;
      |   ^~
Language: C++

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

#define int long long

signed main(){
  int a,b;
  cin>>a>>b;
  int c=b-a+1;
  c/=2;
  c%=2;
  int res;
  if(a%2==0){
    if(b%2==0)res=b^c;
    else res=c;
  }
  else {
    if(b%2==0)res=a^b^(c^1);
    else res=a^c;
  }
  out(res);

  return 0;
}

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

#define int long long

signed main(){
  int a,b;
  cin>>a>>b;
  int c=b-a+1;
  c/=2;
  c%=2;
  int res;
  if(a%2==0){
    if(b%2==0)res=b^c;
    else res=c;
  }
  else {
    if(b%2==0)res=a^b^(c^1);
    else res=a^c;
  }
  cout<<(res)<<endl;

  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:21:3: error: 'out' was not declared in this scope
   21 |   out(res);
      |   ^~~
a.cc: At global scope:
a.cc:31:8: error: redefinition of 'int main()'
   31 | signed main(){
      |        ^~~~
a.cc:6:8: note: 'int main()' previously defined here
    6 | signed main(){
      |        ^~~~
Language: C++

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

#define int long long

signed main(){
  int a,b;
  cin>>a>>b;
  int c=b-a+1;
  c/=2;
  c%=2;
  int res;
  if(a%2==0){
    if(b%2==0)res=b^c;
    else res=c;
  }
  else {
    if(b%2==0)res=a^b^(c^1);
    else res=a^c;
  }
  out(res);

  return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:21:3: error: 'out' was not declared in this scope
   21 |   out(res);
      |   ^~~
Language: C

int main(){
  unsigned A, B;
  scanf("%d", &A);
  scanf("%d", &B);
  printf("%d", ((((B - A)>>1)+1)&1)? {(B&1)? 1:B^(A&1)} : {(B&1)? 0:B^((~A)&1)});
}

Compiler output:
main.c: In function 'main':
main.c:3:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |   scanf("%d", &A);
      |   ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(){
main.c:3:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |   scanf("%d", &A);
      |   ^~~~~
main.c:3:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:5:3: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    5 |   printf("%d", ((((B - A)>>1)+1)&1)? {(B&1)? 1:B^(A&1)} : {(B&1)? 0:B^((~A)&1)});
      |   ^~~~~~
main.c:5:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:5:3: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:5:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:5:38: error: expected expression before '{' token
    5 |   printf("%d", ((((B - A)>>1)+1)&1)? {(B&1)? 1:B^(A&1)} : {(B&1)? 0:B^((~A)&1)});
      |                                      ^
Language: C

main(){
  unsigned A, B;
  scanf("%d", &A);
  scanf("%d", &B);
  printf("%d", ((((B - A)>>1)+1)&1)？{(B&1)？1:B^(A&1)} : {(B&1)？0:B^((~A)&1)});
}

Compiler output:
main.c:1:1: error: return type defaults to 'int' [-Wimplicit-int]
    1 | main(){
      | ^~~~
main.c: In function 'main':
main.c:3:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    3 |   scanf("%d", &A);
      |   ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | main(){
main.c:3:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    3 |   scanf("%d", &A);
      |   ^~~~~
main.c:3:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:5:3: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    5 |   printf("%d", ((((B - A)>>1)+1)&1)？{(B&1)？1:B^(A&1)} : {(B&1)？0:B^((~A)&1)});
      |   ^~~~~~
main.c:5:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:5:3: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:5:3: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:5:36: error: expected ')' before '\U0000ff1f'
    5 |   printf("%d", ((((B - A)>>1)+1)&1)？{(B&1)？1:B^(A&1)} : {(B&1)？0:B^((~A)&1)});
      |         ~                          ^~
      |                                    )
Language: C

unsined main() {
	prinf("%d", ((((B - A)>>1)+1)&1)？{(B&1)？1:B^(A&1)} : {(B&1)？0:B^((~A)&1)});
}

Compiler output:
main.c:1:1: error: unknown type name 'unsined'; did you mean 'unsigned'?
    1 | unsined main() {
      | ^~~~~~~
      | unsigned
main.c: In function 'main':
main.c:2:9: error: implicit declaration of function 'prinf' [-Wimplicit-function-declaration]
    2 |         prinf("%d", ((((B - A)>>1)+1)&1)？{(B&1)？1:B^(A&1)} : {(B&1)？0:B^((~A)&1)});
      |         ^~~~~
main.c:2:25: error: 'B' undeclared (first use in this function)
    2 |         prinf("%d", ((((B - A)>>1)+1)&1)？{(B&1)？1:B^(A&1)} : {(B&1)？0:B^((~A)&1)});
      |                         ^
main.c:2:25: note: each undeclared identifier is reported only once for each function it appears in
main.c:2:29: error: 'A' undeclared (first use in this function)
    2 |         prinf("%d", ((((B - A)>>1)+1)&1)？{(B&1)？1:B^(A&1)} : {(B&1)？0:B^((~A)&1)});
      |                             ^
main.c:2:41: error: expected ')' before '\U0000ff1f'
    2 |         prinf("%d", ((((B - A)>>1)+1)&1)？{(B&1)？1:B^(A&1)} : {(B&1)？0:B^((~A)&1)});
      |              ~                          ^~
      |                                         )
Language: C++

#include<iostream>
using namespace std;
int f(int A) {
  bool odd = false;
  int i = A;
  if (A % 2) {
    i = A - 1;
    odd = true;
  }
  if (i % 4) i = 1;
  else i = 0;
  if (odd) return A - i;
  return i;
}
int main () {
  int A, B;
  cin >> A >> B;
  int j = f(A);
  int k = f(B);
  cout << j^k << endl;
  

Compiler output:
a.cc: In function 'int main()':
a.cc:20:15: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
   20 |   cout << j^k << endl;
      |             ~~^~~~~~~
a.cc:20:23: error: expected '}' at end of input
   20 |   cout << j^k << endl;
      |                       ^
a.cc:15:13: note: to match this '{'
   15 | int main () {
      |             ^
Language: C++

#include <iostream>
#include <cmath>
#include <algorithm>
#include <stdio.h>
#include <sstream>
#include <string>
using namespace std;

int bit(int n){
  bool plus = true;
  int i=1;
  while(plus){
    if(n >= pow(2, i)) i++;
    else plus = false;
  }
  int num_2, num;
  num = n;
  num_2 = 0;
  while(i>=0){
    if(num >= pow(2, i)){
      num_2 += pow(10, i);
      num -= pow(2, i);
    }
    i--;
  }
  return num_2;
}

int main(){
int a, b;
cin >> a >> b;
int a_2, b_2;
a_2 = bit(a);
b_2 = bit(b);
string s_a, s_b;
s_a = oss.str(bit(a));
s_b = to_string(b_2);
int a_max = s_a.size();
int b_max = s_b.size();
//int s_a[a_max], s_b[b_max];
//for(int i=0; i<a_max; i++){

//}
//s_a = "ww";
int max_i = max(a_max, b_max);
int min_i = min(a_max, b_max); //s_a, s_b
for(int j=min_i; j<max_i; j++){
  if(s_a.size() > s_b.size()){
    for(int k=min_i; k< max_i; k++) cout << s_a[k];
  }
  else{
    for(int k=min_i; k< max_i; k++) cout << s_b[k];
  }
}
int i = min_i -1;
while(i>0){
  if(s_a[i] != s_b[i]) cout << 1;
  else cout << 0;
}
if(s_a[0] == s_b[0]) cout << 0 <<endl;
else cout << 1 << endl;

return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:7: error: 'oss' was not declared in this scope
   36 | s_a = oss.str(bit(a));
      |       ^~~
Language: Java

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String in[];
        long a, b, x, y, ret;
        in = scanner.nextLine().split(" ");
        a = Long.parseLong(in[0]);
        b = Long.parseLong(in[1]);

        ret = 0;
        for (long i = a; i < b; i+=2) {
            x = i;
            y = i+1;
            ret ^= x ^ y;
        }
        if ((b - a) % 2 == 0) {
            ret ^= b;
        }

        System.out.println(ret);
    }
}

Compiler output:
Main.java:3: error: cannot find symbol
        Scanner scanner = new Scanner(System.in);
        ^
  symbol:   class Scanner
  location: class Main
Main.java:3: error: cannot find symbol
        Scanner scanner = new Scanner(System.in);
                              ^
  symbol:   class Scanner
  location: class Main
2 errors
Language: C++

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

long long ans (long long n)
{
  if (n & 1LL) return ((n + 1) / 2) & 1LL;
  else return ((n / 2) & 1LL) ^ n;
}

int main()
{
  long long a, b;
  cin >> a >> b;
  a = (a > 0 ? a : 1);
  cout << ans(a) ^ ans(b) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:27: error: invalid operands of types 'long long int' and '<unresolved overloaded function type>' to binary 'operator<<'
   15 |   cout << ans(a) ^ ans(b) << endl;
      |                    ~~~~~~~^~~~~~~
Language: C++

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

long long ans (long long n)
{
  if (n & 1LL) return ((n + 1) / 2) & 1LL;
  else return ((n / 2) & 1LL) ^ n;
}

int main()
{
  long long a, b;
  cin >> a >> b;
  cout << ans(a > 0 ? a - 1LL : a) ^ ans(b) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:45: error: invalid operands of types 'long long int' and '<unresolved overloaded function type>' to binary 'operator<<'
   14 |   cout << ans(a > 0 ? a - 1LL : a) ^ ans(b) << endl;
      |                                      ~~~~~~~^~~~~~~
Language: C++

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

long long ans (long long n)
{
  if (n & 1LL) return ((n + 1) / 2) & 1LL;
  else return ((n / 2) & 1LL) ^ n;
}

int main()
{
  long long a, b;
  cin >> a >> b;
  cout << ans(a > 0 ? a - 1 : a) ^ ans(b) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:43: error: invalid operands of types 'long long int' and '<unresolved overloaded function type>' to binary 'operator<<'
   14 |   cout << ans(a > 0 ? a - 1 : a) ^ ans(b) << endl;
      |                                    ~~~~~~~^~~~~~~
Language: C++

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

long long ans (long long n)
{
  if (n & 1LL) return ((n + 1) / 2) & 1LL;
  else return ((n / 2) & 1LL) ^ n;
}

int main()
{
  long long a, b;
  cin >> a >> b;
  cout << ans(a > 0 ? a - 1 : a)) ^ ans(b) << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:33: error: expected ';' before ')' token
   14 |   cout << ans(a > 0 ? a - 1 : a)) ^ ans(b) << endl;
      |                                 ^
      |                                 ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
long cal(long n){
  if(n % 2 == 0){
    return ((long)n/2%2)^n; 
  }else{
    return ((long)n/2%2);
  }
}
int main() {
  long A, B;
  cin >> A >> B;
  C = cal(A) ^ cal(B);
  cout << C;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:3: error: 'C' was not declared in this scope
   13 |   C = cal(A) ^ cal(B);
      |   ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
long cal(long n){
  if(n % 2 = 0){
    return ((long)n/2%2)^n; 
  }else{
    return ((long)n/2%2);
  }
}
int main() {
  long A, B;
  cin >> A >> B;
  C = cal(A) ^ cal(B);
  cout << C;
}


Compiler output:
a.cc: In function 'long int cal(long int)':
a.cc:4:8: error: lvalue required as left operand of assignment
    4 |   if(n % 2 = 0){
      |      ~~^~~
a.cc: In function 'int main()':
a.cc:13:3: error: 'C' was not declared in this scope
   13 |   C = cal(A) ^ cal(B);
      |   ^
a.cc: In function 'long int cal(long int)':
a.cc:9:1: warning: control reaches end of non-void function [-Wreturn-type]
    9 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
long cal(long n){
  if(n % 2 = 0){
    return ((long)n/2%2)^n; 
  }else{
    return ((long)n/2%2)
  }
}
int main() {
  long A, B;
  cin >> A >> B;
  C = cal(A) ^ cal(B);
  cout << C;
}


Compiler output:
a.cc: In function 'long int cal(long int)':
a.cc:4:8: error: lvalue required as left operand of assignment
    4 |   if(n % 2 = 0){
      |      ~~^~~
a.cc:7:25: error: expected ';' before '}' token
    7 |     return ((long)n/2%2)
      |                         ^
      |                         ;
    8 |   }
      |   ~                      
a.cc: In function 'int main()':
a.cc:13:3: error: 'C' was not declared in this scope
   13 |   C = cal(A) ^ cal(B);
      |   ^
a.cc: In function 'long int cal(long int)':
a.cc:9:1: warning: control reaches end of non-void function [-Wreturn-type]
    9 | }
      | ^
Language: C++

#include<iostream>

using namespace std;

int main(void){
  int a,b;
  cin >> a >> b;
  cout (<< a ^ b) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: expected primary-expression before '<<' token
    8 |   cout (<< a ^ b) << endl;
      |         ^~
Language: C++

    #include <iostream>
     
    using namespace std;
     
    typedef long long LL;
     
    void set_bit(LL &n, int position)
    {
        n |= (1LL << position);
    }
     
    int no_of_set_bits(LL n, int position)
    {
        LL set_bits = 0; //cout << "At n = " << n << " p = " << position << endl;
     
        LL weight = (1LL << position);
     
        if(position == 0)
        {
            return (n/2 + n%2);
        }
            LL no_of_blocks = (n)/weight; //cout << "W = " << weight << " B = " << no_of_blocks << " ";
     
            set_bits += (no_of_blocks/2)*weight;
     
            LL total_reached = no_of_blocks*weight; //cout << "T = " << total_reached << " Increase = " << (no_of_blocks/2)*weight;// << endl;
     
            if(no_of_blocks%2 == 1)
                set_bits += n - total_reached + 1;
     
                //cout << " ans = " << set_bits << endl;
     
        return set_bits;
    }
     
    int main()
    {
        LL left, right;
        cin >> left >> right;
     
        LL xor_answer = 0;
     
        const int MAX_BITS = 65;
        for(int i = 0; i < MAX_BITS; i++)
        {
             if(left == 0 ) {
               LL no_of_set_bits_here = no_of_set_bits(right, i);
    
               
             }
           else{
             LL no_of_set_bits_here = no_of_set_bits(right, i) - no_of_set_bits(left - 1, i);
           }
     
            if(no_of_set_bits_here%2 == 1)
                set_bit(xor_answer, i);
        }
     
        cout << xor_answer;
        return 0;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:55:16: error: 'no_of_set_bits_here' was not declared in this scope; did you mean 'no_of_set_bits'?
   55 |             if(no_of_set_bits_here%2 == 1)
      |                ^~~~~~~~~~~~~~~~~~~
      |                no_of_set_bits
Language: C++

#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
typedef long long ll;
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds;
#define ios ios_base::sync_with_stdio(0) ; cin.tie(0) ; cout.tie(0)
#define so sizeof
#define pb push_back
#define vl vector<ll>
#define el endl;cout.flush()
#define be begin()
#define fi first
#define se second
#define br break
#define sz size()
#define en end()
#define ro return 0
#define br break
#define con continue;
#define all(x) (x).be , (x).en
#define rall(x) (x).rbegin() , (x).rend()
#define acc(x) accumulate((x).be , (x).en , 0)
#define forn(i,a,b) for(ll i=a;i<=b;++i)
#define forr(i,a,b) for(ll i=a;i<b;++i)
#define rng_58 mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#define vll vector<pair<ll,ll> >
#define pll pair<ll,ll>
#define plll pair<ll,pair<ll,ll>>
#define plvl pair<pair<ll,ll> ,ll>
#define mp make_pair
long long f(long long a) {
     long long res[] = {a,1,a+1,0};
     return res[a%4];
}
int main()
{
    ios;
    ll a , b;
    cin >> a >> b;
    if(a==0){
        foo = f(b);
        cout << foo << ro ;
    }
    ll foo = f(b) ^ f(a-1);
    cout << foo << el ;
}




















Compiler output:
a.cc: In function 'int main()':
a.cc:43:9: error: 'foo' was not declared in this scope
   43 |         foo = f(b);
      |         ^~~
a.cc:19:12: error: expected primary-expression before 'return'
   19 | #define ro return 0
      |            ^~~~~~
a.cc:44:24: note: in expansion of macro 'ro'
   44 |         cout << foo << ro ;
      |                        ^~
Language: C++

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

// 0 ~ A の xor を計算
long xorSum( long A )
{
    long ans = 0;
    // i bit目の 1 の個数を調べる
    for( int i = 0; i <= 40; ++i ){
        long period = (1L << (i+1));
        long num1 = (A+1)/period * period/2;  // 0 ~ A なので A+1 になることに注意
        num1 += max( 0L, (A+1)%period - period/2 );
        ans += ( num1%2 == 1 )? (1L << i): 0;
    }
    return ans;
}

// ( 2n ^ 2n+1 ) = 1 になることを用いた解法
long xorSum2( long A )
{
    long num1 = (A+1)/2;
    long ans = (num1 == 1)? 1: 0;
    if( A%2 == 0 ) ans ^= A;

    return ans;
}


int main()
{
    long A, B;
    cin >> A >> B;

    long ans = xorSum2(A-1) ^ xorSum2(B)
    cout << ans << endl;
    // cout << ( xorSum2(A-1) ^ xorSum2(B) )  << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:38:5: error: expected ',' or ';' before 'cout'
   38 |     cout << ans << endl;
      |     ^~~~
Language: C++

#include <iostream>
#include <cmath>

using namespace std;

using ll = long long;

ll F(const ll &x) {
    ll ans;
    switch(x%4) {
        case 0:
            ans = x;
            break;
        case 1:
            ans = 1;
            break;
        case 2:
            ans = x+1;
            break;
        case 3:
            ans = 0;
            break;
        default:
            break;
    }
    return ans;
}

void getXor(const ll &a, const ll &b) {
     cout << (f(a - 1) ^ f(b)) << endl;
}

int main(){
    ll a, b;
    cin >> a >> b;
    getXor(a, b);
    return 0;
}


Compiler output:
a.cc: In function 'void getXor(const ll&, const ll&)':
a.cc:30:15: error: 'f' was not declared in this scope
   30 |      cout << (f(a - 1) ^ f(b)) << endl;
      |               ^