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

#include <bits/stdc++.h>

using namespace std;
 
//#define int long long
using ll = long long;
#define all(v) (v).begin(), (v).end()
#define rep(i,n) for(ll i=0;i<n;i++)
#define reps(i,n) for(ll i=0;i<=n;i++)

ll MOD = 1000000007;
const long long L_INF = 1LL << 60;
const int INF = 2147483647; // 2^31-1
const double PI = acos(-1);
 
const ll dx[8] = {1, 1, 0, -1, -1, -1, 0, 1};
const ll dy[8] = {0, 1, 1, 1, 0, -1, -1, -1};

int main(){
    ios_base::sync_with_stdio(false);
    ll a,b,ans=0;
    cin >> a >> b;
    if(a==b){
        cout << ans^a << endl;
        return 0;
    }

    if(b == a+1){
        cout << b^(a+1) << endl;
        return 0;
    }

    if(a%2==0){
        if(((b-a)/2)%2==0){
            ans=1;
            ans^=b;
        }else{
            ans=0;
        }
            cout << ans << endl;
        }else{
        if(((b-a)/2)%2==0){
            ans = 0;
        }else{
            ans = 1;
        }
        if((b-a)%2==0){
            ans ^= a;
        }else{
            ans ^= a;
            ans ^= b;
        }
        cout << ans << endl;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:23: error: invalid operands of types 'll' {aka 'long long int'} and '<unresolved overloaded function type>' to binary 'operator<<'
   24 |         cout << ans^a << endl;
      |                     ~~^~~~~~~
a.cc:29:25: error: invalid operands of types 'll' {aka 'long long int'} and '<unresolved overloaded function type>' to binary 'operator<<'
   29 |         cout << b^(a+1) << endl;
      |                   ~~~~~~^~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i=0; i<(int)(n); i++)
#define all(x) x.begin(), x.end()
#define mod 1000000007
typedef long long ll;

int main(){
  ll a, b;
  cin >> a >> b;
  ll sum = 0;
  for(ll i=1; i<=50; i++){
    ll cnt;
    ll bc = (b+1)/pow(2, i)*pow(2, i);
    if((b+1)%pow(2, i) > pow(2, i-1)) 
      bc += (b+1)%pow(2, i)-pow(2, i-1);
    ll ac = (a+1)/pow(2, i)*pow(2, i);
    if((a+1)%pow(2, i) > pow(2, i-1)) 
      ac += (b+1)%pow(2, i)-pow(2, i-1);
    cnt = bc - ac;
    if(cnt % 2 == 1) sum += pow(2, i-1);
  }
  cout << sum << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:13: error: invalid operands of types 'll' {aka 'long long int'} and '__gnu_cxx::__promote<double>::__type' {aka 'double'} to binary 'operator%'
   15 |     if((b+1)%pow(2, i) > pow(2, i-1))
      |        ~~~~~^~~~~~~~~~
      |          |      |
      |          |      __gnu_cxx::__promote<double>::__type {aka double}
      |          ll {aka long long int}
a.cc:16:18: error: invalid operands of types 'll' {aka 'long long int'} and '__gnu_cxx::__promote<double>::__type' {aka 'double'} to binary 'operator%'
   16 |       bc += (b+1)%pow(2, i)-pow(2, i-1);
      |             ~~~~~^~~~~~~~~~
      |               |      |
      |               |      __gnu_cxx::__promote<double>::__type {aka double}
      |               ll {aka long long int}
a.cc:18:13: error: invalid operands of types 'll' {aka 'long long int'} and '__gnu_cxx::__promote<double>::__type' {aka 'double'} to binary 'operator%'
   18 |     if((a+1)%pow(2, i) > pow(2, i-1))
      |        ~~~~~^~~~~~~~~~
      |          |      |
      |          |      __gnu_cxx::__promote<double>::__type {aka double}
      |          ll {aka long long int}
a.cc:19:18: error: invalid operands of types 'll' {aka 'long long int'} and '__gnu_cxx::__promote<double>::__type' {aka 'double'} to binary 'operator%'
   19 |       ac += (b+1)%pow(2, i)-pow(2, i-1);
      |             ~~~~~^~~~~~~~~~
      |               |      |
      |               |      __gnu_cxx::__promote<double>::__type {aka double}
      |               ll {aka long long int}
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i=0; i<(int)(n); i++)
#define all(x) x.begin(), x.end()
#define mod 1000000007
typedef long long ll;

int main(){
  ll a, b;
  cin >> a >> b;
  ll sum = 0;
  for(int i=1; i<=50; i++){
    ll cnt;
    ll bc = (b+1)/pow(2, i)*pow(2, i);
    if((b+1)%pow(2, i) > pow(2, i-1)) 
      bc += (b+1)%pow(2, i)-pow(2, i-1);
    ll ac = (a+1)/pow(2, i)*pow(2, i);
    if((a+1)%pow(2, i) > pow(2, i-1)) 
      ac += (b+1)%pow(2, i)-pow(2, i-1);
    cnt = bc - ac;
    if(cnt % 2 == 1) sum += pow(2, i-1);
  }
  cout << sum << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:13: error: invalid operands of types 'll' {aka 'long long int'} and '__gnu_cxx::__promote<double>::__type' {aka 'double'} to binary 'operator%'
   15 |     if((b+1)%pow(2, i) > pow(2, i-1))
      |        ~~~~~^~~~~~~~~~
      |          |      |
      |          |      __gnu_cxx::__promote<double>::__type {aka double}
      |          ll {aka long long int}
a.cc:16:18: error: invalid operands of types 'll' {aka 'long long int'} and '__gnu_cxx::__promote<double>::__type' {aka 'double'} to binary 'operator%'
   16 |       bc += (b+1)%pow(2, i)-pow(2, i-1);
      |             ~~~~~^~~~~~~~~~
      |               |      |
      |               |      __gnu_cxx::__promote<double>::__type {aka double}
      |               ll {aka long long int}
a.cc:18:13: error: invalid operands of types 'll' {aka 'long long int'} and '__gnu_cxx::__promote<double>::__type' {aka 'double'} to binary 'operator%'
   18 |     if((a+1)%pow(2, i) > pow(2, i-1))
      |        ~~~~~^~~~~~~~~~
      |          |      |
      |          |      __gnu_cxx::__promote<double>::__type {aka double}
      |          ll {aka long long int}
a.cc:19:18: error: invalid operands of types 'll' {aka 'long long int'} and '__gnu_cxx::__promote<double>::__type' {aka 'double'} to binary 'operator%'
   19 |       ac += (b+1)%pow(2, i)-pow(2, i-1);
      |             ~~~~~^~~~~~~~~~
      |               |      |
      |               |      __gnu_cxx::__promote<double>::__type {aka double}
      |               ll {aka long long int}
Language: C++

#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
int main() {
	long long a, b;
	cin >> a >> b;
	a = max(long long(0), a - 1);
	long long ans, ans1;
	if (a % 4 == 0) {
		ans = a;
	}
	if (a % 4 == 1) {
		ans = 1;
	}
	if (a % 4 == 2) {
		ans = a + 1;
	}
	if (a % 4 == 3) {
		ans = 0;
	}
	if (b % 4 == 0) {
		ans1 = b;
	}
	if (b % 4 == 1) {
		ans1 = 1;
	}
	if (b % 4 == 2) {
		ans1 = b + 1;
	}
	if (b % 4 == 3) {
		ans1 = 0;
	}
	ans = ans ^ ans1;
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:17: error: expected primary-expression before 'long'
   20 |         a = max(long long(0), a - 1);
      |                 ^~~~
Language: C++

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

ll f(ll a){
    if(a==-1) return 0;
    else if(a%4==3) return 0;
    else if(a%4==2) return a^1;
    else if(a%4==1) return 1;
    else return a;
}

int main(){
    ll a,b;
    cin>>a>>b;
    cout<<f(a-1)^f(b)<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:22: error: invalid operands of types 'll' {aka 'long long int'} and '<unresolved overloaded function type>' to binary 'operator<<'
   18 |     cout<<f(a-1)^f(b)<<endl;
      |                  ~~~~^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,ini,n) for(int i=ini;i<n;i++)
#define _rep(i,ini,n) for(int i=ini;i>=n;i--)
#define ToEnd(a) a.begin(),a.end()
uint64_t MOD=1000000007;

int64_t XORsum(int64_t n){
    int64_t v=!((n-1)%4);
    if(n%2==0) v+=n;
    return v;
}

int main(){
    int64_t A,B; cin>>A>>B;

    int64_t ans=XORsum(B)^XORsum(max(0ll,A-1));
    cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:37: error: no matching function for call to 'max(long long int, int64_t)'
   17 |     int64_t ans=XORsum(B)^XORsum(max(0ll,A-1));
      |                                  ~~~^~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: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:17:37: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int64_t' {aka 'long int'})
   17 |     int64_t ans=XORsum(B)^XORsum(max(0ll,A-1));
      |                                  ~~~^~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:17:37: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   17 |     int64_t ans=XORsum(B)^XORsum(max(0ll,A-1));
      |                                  ~~~^~~~~~~~~
Language: C++

#include<bits/stdc++.h>
#include<string>
#include<vector>
using namespace std;
typedef pair<int, int>P;
typedef long long ll;
#define rep(i,n)for(ll i=0;i<n;++i)
#define exrep(i, a, b) for(ll i = a; i <= b; i++)
#define out(x) cout << x << endl
#define exout(x) printf("%.10f\n", x)
#define chmax(x, y) x = max(x, y)
#define chmin(x, y) x = min(x, y)
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
#define pb push_back
#define re0 return 0
const ll MOD = 1000000007;
const ll INF = 1e16;
const ll MAX_N = 5010;
//max=({});
//条件式が真ならwhileの中身を回し続ける
//printf("%d\n", ans);

//pairの入力
//vector<pair<ll, ll>>work(n);
//rep(i, n) {
//	ll a, b;
//	cin >> a >> b;
//	work[i] = make_pair(a, b);
//for(auto p:mp)(mapの探索)
//printf("%.10f\n",なんちゃら)
//最大公約数
ll gcd(ll x, ll y) {
	return y ? gcd(y, x % y) : x;
}

ll lcm(ll x, ll y) {
	if (x == 0 || y == 0)return 0;
	return (x / gcd(x, y) * y);
}

//組み合わせの余りを求める
ll fac[MAX_N], finv[MAX_N], inv[MAX_N];
void COMinit() {
	fac[0] = fac[1] = 1;
	finv[0] = finv[1] = 1;
	inv[1] = 1;
	for (int i = 2; i < MAX_N; i++) {
		fac[i] = fac[i - 1] * i % MOD;
		inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD;
		finv[i] = finv[i - 1] * inv[i] % MOD;
	}
}

// 二項係数計算
long long COM(ll n, ll k) {
	if (n < k) return 0;
	if (n < 0 || k < 0) return 0;
	return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;
}

ll dx[4] = { 0,0,-1,1 };
ll dy[4] = { -1,1,0,0 };
ll dp[101010];

//union-find木について
ll par[101010];
ll rank2[101010];

void init(ll n) {
	rep(i, n) {
		par[i] = i;
		rank2[i] = 0;
	}
}

ll find(ll x) {
	if (par[x] == x) {
		return x;
	}
	else {
		return par[x] = find(par[x]);
	}
}

void unite(ll x, ll y) {
	x = find(x);
	y = find(y);
	if (x == y)return;
	if (rank2[x] < rank2[y]) {
		par[x] = y;
	}
	else {
		par[y] = x;
		if (rank2[x] == rank2[y]) {
			rank2[x]++;
		}
	}
}

long long modpow(long long a, long long n, long long mod) {
	long long res = 1;
	while (n > 0) {
		if (n & 1) res = res * a % mod;
		a = a * a % mod;
		n >>= 1;
	}
	return res;
}

char c[2010][2010];

void solve(ll x) {
	ll res = 0;
	if (x % 4 == 1) {
		res = x;
	}
	else if (x % 4 == 2) {
		res = 1;
	}
	else if (x % 4 == 3) {
		res = 1 ^ x;
	}
	ans ^= res;
}

//long longしか使わない
//素数は1より大きい
int main() {
	ll a, b;
	cin >> a >> b;
	ll ans = 0;
	solve(a - 1);
	solve(b);
	cout << ans << endl;
}

Compiler output:
a.cc: In function 'void solve(ll)':
a.cc:124:9: error: 'ans' was not declared in this scope; did you mean 'abs'?
  124 |         ans ^= res;
      |         ^~~
      |         abs
Language: C++

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

int findXOR(int n) 
{ 
	int mod = n % 4; 

	if (mod == 0) 
		return n;
	else if (mod == 1) 
		return 1; 
	else if (mod == 2) 
		return n + 1; 
	else if (mod == 3) 
		return 0; 
} 

int findXOR(int l, int r) 
{ 
	return (findXOR(l - 1) ^ findXOR(r)); 
} 
 
int main() 
{ 
	int l , r ; 
	cin >> l >> r;
	cout << findXOR(l, r); 

	return 0; 
} 


Compiler output:
cc1plus: error: '::main' must return 'int'
a.cc: In function 'long long int findXOR(long long int)':
a.cc:17:1: warning: control reaches end of non-void function [-Wreturn-type]
   17 | }
      | ^
Language: C++

#include<iostream>
using namespace std;
#define ll long long

ll A,B;

ll f(ll N){
  if(N&1){
    if(((N+1)/2)&1) return 1;
    else return 0;
  }else{
    if((N/2)&1) return N^1;
    else return N;
  }
}

int main(){
  cin>>A>>B;
  if(A==0) cout<<f(B)<<endl;
  else cout<<f(B)^f(A-1)<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:25: error: invalid operands of types 'long long int' and '<unresolved overloaded function type>' to binary 'operator<<'
   20 |   else cout<<f(B)^f(A-1)<<endl;
      |                   ~~~~~~^~~~~~
Language: C++

#include<iostream>
using namespace std;
#define ll long long

ll A,B;

ll f(N){
  if(N&1){
    if(((N+1)/2)&1) return 1;
    else return 0;
  }else{
    if((N/2)&1) return N^1;
    else return N;
  }
}

int main(){
  cin>>A>>B;
  if(A==0) cout<<f(B)<<endl;
  else cout<<f(B)^f(A-1)<<endl;
  return 0;
}

Compiler output:
a.cc:7:6: error: 'N' was not declared in this scope
    7 | ll f(N){
      |      ^
a.cc: In function 'int main()':
a.cc:19:19: error: 'f' cannot be used as a function
   19 |   if(A==0) cout<<f(B)<<endl;
      |                  ~^~~
a.cc:20:15: error: 'f' cannot be used as a function
   20 |   else cout<<f(B)^f(A-1)<<endl;
      |              ~^~~
a.cc:20:20: error: 'f' cannot be used as a function
   20 |   else cout<<f(B)^f(A-1)<<endl;
      |                   ~^~~~~
Language: C++

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

long oddsolve(long a){return (a+1)/2%2;}
long solve(long a){
    if(a%2==1)return oddsolve(a);
    else return oddsolve(a+1)^(a+1);
}
int main(){
    long A,B;cin>>A>>B;
    cout<<solve(B)^solve(A-1)<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:30: error: invalid operands of types 'long int' and '<unresolved overloaded function type>' to binary 'operator<<'
   11 |     cout<<solve(B)^solve(A-1)<<endl;
      |                    ~~~~~~~~~~^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
long long oddsolve(long long a){return (a+1)/2%2;}
long long    solve(long long a){if(a%2==0){ return
          oddsolve(a+1)^(a+1);}
          else return oddsolve(a);}
int main(){
long long a, b;
cin>>a>>b;
cout<<solve(b)^solve(a)<<endl;}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:24: error: invalid operands of types 'long long int' and '<unresolved overloaded function type>' to binary 'operator<<'
   10 | cout<<solve(b)^solve(a)<<endl;}
      |                ~~~~~~~~^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
long long oddsolve(long long a){return (a+1)/2%2;}
long long    solve(long long a){if(a%2==0){ return
          oddsolve(a+1)^(a+1);}
          else return oddsolve(a);}
int main(){
int a, b;
cin>>a>>b;
cout<<solve(b)^solve(a)<<endl;}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:24: error: invalid operands of types 'long long int' and '<unresolved overloaded function type>' to binary 'operator<<'
   10 | cout<<solve(b)^solve(a)<<endl;}
      |                ~~~~~~~~^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
long long oddsolve(long long a){return (a+1)/2%2}
long long    solve(long long a){if(a%2==0){ return
          oddsolve(a+1)^(a+1);}
          else return oddsolve(a);}
int main(){
int a, b;
cin>>a>>b;
cout<<solve(b)^solve(a)<<endl;}


Compiler output:
a.cc: In function 'long long int oddsolve(long long int)':
a.cc:3:49: error: expected ';' before '}' token
    3 | long long oddsolve(long long a){return (a+1)/2%2}
      |                                                 ^
      |                                                 ;
a.cc: In function 'int main()':
a.cc:10:24: error: invalid operands of types 'long long int' and '<unresolved overloaded function type>' to binary 'operator<<'
   10 | cout<<solve(b)^solve(a)<<endl;}
      |                ~~~~~~~~^~~~~~
Language: C

#include <iostream>

using namespace std;

long long  XORsum(long long a)
{
    long long ans;
    // switch (a % 4)
    // {
    // case 0:
    //     ans = a;
    //     break;
    
    // case 1:
    //     ans = 1;
    //     break;

    // case 2:
    //     ans = 1 + a;
    //     break;

    // case 3:
    //     ans = 0;
    //     break;
    // }
    if (a % 4 == 0) ans = a;
    if (a % 4 == 1) ans = 1;
    if (a % 4 == 2) ans = 1 + a;
    if (a % 4 == 3) ans = 0;
    return ans;

}

int main(int argc, char const *argv[])
{
    long long A, B;
    cin >> A >> B;
    A--;
    long long sumA = XORsum(A);
    long long sumB = XORsum(B);

    cout << (sumB ^ sumA) << endl;

    return 0;
}

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

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		long a, b;
		a = sc.nextLong();
		b = sc.nextLong();
		long tempa = a;
		long tempb = b;
		int temp[] = new int[64];
		int c[];
		int d[];
		int i = 0;
		if (a == b) {
			System.out.println(a);
			return;
		}
		while (b > 0) {
			temp[i] = (int) (b % 2);
			b = b / 2;
			i++;
		}
		c = new int[i];
		for (int j = 0; j < i; j++) {
			c[j] = temp[j];
		}
		i = 0;
		if (a > 1) {
			a--;
			while (a > 0) {
				temp[i] = (int) (a % 2);
				a = a / 2;
				i++;
			}
			d = new int[i];
			for (int j = 0; j < i; j++) {
				d[j] = temp[j];
			}
			for (i = c.length - 1; i >= 0; i--) {
				if (i > 0 && c[i] == 1 && c[0] == 1) {
					c[i] = 0;
				}
			}
			for (i = d.length - 1; i >= 0; i--) {
				if (i > 0 && d[i] == 1 && d[0] == 1) {
					d[i] = 0;
				}
			}
			for (i = 1; i < d.length; i++) {
				if (c[i] == d[i]) {
					c[i] = 0;
				} else {
					c[i] = 1;
				}
			}
			int t = (int) ((tempb - tempa) % 4);
			if (t == 3) {
				c[0] = 0;
			} else if (t == 2 || t == 1) {
				if (c[0] == 0) {
					c[0] = 1;
				} else {
					c[0] = 0;
				}
			}
		} else {
			for (i = c.length - 1; i >= 0; i--) {
				if (i > 0 && c[i] == 1 && c[0] == 1) {
					c[i] = 0;
				}
			}
		}
		long result = 0;
		for (i = c.length - 1; i >= 0; i--) {
			result *= 2;
			result += c[i];
		}
		System.out.println(result);
	}
}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.Scanner;
      | ^~~~~~
a.cc:1:1: 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 <bits/stdc++.h>
using namespace std;
using ll=long long int;

ll odd(ll a){
  ll p=a%4;
  if(p==1) return 1;
  else return 0;
}
 
ll f(ll a){
  if(a%2){
    return odd(a);
  }else{
    return odd(a-1)^a;
  }
}

int main(){
    ll a,b;
    ll result;
    cin>>a>>b;
    ll x=f(a-1);
    ll y=f(b);
    ll result=x^y;
    /*
    result=a;
    for (size_t i = a+1; i <= b; i++)
    {
        result^=i;
    }
    */
    cout<<result<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:8: error: redeclaration of 'll result'
   25 |     ll result=x^y;
      |        ^~~~~~
a.cc:21:8: note: 'll result' previously declared here
   21 |     ll result;
      |        ^~~~~~
Language: C++

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

ll odd(ll a){
  ll p=a%4;
  if(p==1) return 1;
  else return 0;
}
 
ll f(ll a){
  if(a%2){
    return odd(a);
  }else{
    return odd(a-1)^a;
  }
}

int main(){
    long long int a,b;
    long long int result;
    cin>>a>>b;
    ll x=f(a-1);
    ll y=f(b);
    ll result=x^y;
    /*
    result=a;
    for (size_t i = a+1; i <= b; i++)
    {
        result^=i;
    }
    */
    cout<<result<<endl;
    return 0;
}

Compiler output:
a.cc:4:1: error: 'll' does not name a type
    4 | ll odd(ll a){
      | ^~
a.cc:10:1: error: 'll' does not name a type
   10 | ll f(ll a){
      | ^~
a.cc: In function 'int main()':
a.cc:22:5: error: 'll' was not declared in this scope
   22 |     ll x=f(a-1);
      |     ^~
a.cc:23:7: error: expected ';' before 'y'
   23 |     ll y=f(b);
      |       ^~
      |       ;
a.cc:24:7: error: expected ';' before 'result'
   24 |     ll result=x^y;
      |       ^~~~~~~
      |       ;
Language: C++

def f(x):
    if x % 4 == 0:
        return x
    elif x % 4 == 1:
        return 1
    elif x % 4 == 2:
        return 1^x
    else:
        return 0

def main():
    import sys
    input = sys.stdin.readline
    a, b = map(int, input().split())
    print(f(a-1)^f(b))
    

if __name__ == '__main__':
    main()


Compiler output:
a.cc:18:16: warning: multi-character literal with 8 characters exceeds 'int' size of 4 bytes
   18 | if __name__ == '__main__':
      |                ^~~~~~~~~~
a.cc:1:1: error: 'def' does not name a type
    1 | def f(x):
      | ^~~
Language: C++

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

typedef long long ll;

ll xorsum0X(ll X){
    if(X%4 == 3){
        return 0;
    }
    if(X%4 == 1){
        return 1;
    }
    if(X%4 == 0){
        return X;
    }
    if(X%4 == 2){
        return (ll)(X^1);
    }
}

int main(){
    ll A,B;
    cin >> A >> B;
    if(A == 0){
        cout <<  xorsum0X(B) << endl;
        return;
    }
    ll a,b;
    a = xorsum0X(A-1);
    b = xorsum0X(B);
    cout << (ll)(a^b) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   26 |         return;
      |         ^~~~~~
a.cc: In function 'll xorsum0X(ll)':
a.cc:19:1: warning: control reaches end of non-void function [-Wreturn-type]
   19 | }
      | ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

long long xorsum(long long inp) {
  if (inp % 4 == 0) {
    return in;
  }
  
  if (inp % 4 == 1) {
    return inp ^ (inp - 1);
  }
  
  if (inp % 4 == 2) {
    return inp ^ 1;
  }
  
  if (inp % 4 == 3) {
    return 0;
  }
}

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


Compiler output:
a.cc: In function 'long long int xorsum(long long int)':
a.cc:7:12: error: 'in' was not declared in this scope; did you mean 'inp'?
    7 |     return in;
      |            ^~
      |            inp
Language: C++

#include <bits/stdc++.h>

using namespace std;

long long xorsum(long long in) {
  if (in % 4 == 0) {
    return in;
  }
  
  if (in % 4 == 1) {
    return 1ll;
  }
  
  if (in % 4 == 2) {
    return in ^ 1ll;
  }
  
  if (in % 4 == 3) {
    return 0;
  }
}

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

Compiler output:
a.cc: In function 'int main()':
a.cc:23:13: error: 'a' was not declared in this scope
   23 | int main() {a
      |             ^
a.cc:26:10: error: 'A' was not declared in this scope
   26 |   cin >> A >> B;
      |          ^
a.cc:26:15: error: 'B' was not declared in this scope
   26 |   cin >> A >> B;
      |               ^
a.cc: In function 'long long int xorsum(long long int)':
a.cc:21:1: warning: control reaches end of non-void function [-Wreturn-type]
   21 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll oddxor(ll a){
   return ((a+1)/2)%2 ;
}
ll funcxor(ll b){
   if(b%2) return oddxor(b);
   else return oddxor(b+1)^(b+1);
}
int main() {
  ll a,b;
  cin >> a >> b;
  cout << funcxor(a-1)^funcxor(b) << endl;
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:35: error: invalid operands of types 'll' {aka 'long long int'} and '<unresolved overloaded function type>' to binary 'operator<<'
   14 |   cout << funcxor(a-1)^funcxor(b) << endl;
      |                        ~~~~~~~~~~~^~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll oddxor(ll a){
   return ((a+1)/2)%2 ;
}
ll funcxor(ll b){
   if(b%2) return oddxor(b);
   else return oddxor(a+1)^(a+1);
}
int main() {
  ll a,b;
  cin >> a >> b;
  cout << funcxor(a-1)^funcxor(b) << endl;
  
}


Compiler output:
a.cc: In function 'll funcxor(ll)':
a.cc:9:23: error: 'a' was not declared in this scope
    9 |    else return oddxor(a+1)^(a+1);
      |                       ^
a.cc: In function 'int main()':
a.cc:14:35: error: invalid operands of types 'll' {aka 'long long int'} and '<unresolved overloaded function type>' to binary 'operator<<'
   14 |   cout << funcxor(a-1)^funcxor(b) << endl;
      |                        ~~~~~~~~~~~^~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
ll oddxor(ll a){
   return ((a+1)/2)%2 ;
}
ll funcxor(ll b){
   if(b%2) return oddxor(b);
   else return oddxor(a+1)^(a+1);
}
int main() {
  ll a,b;
  cin >> a >> b;
  cout << funcxor(a-1)^funcxor(b) << endl;
  
}

Compiler output:
a.cc:3:1: error: 'll' does not name a type
    3 | ll oddxor(ll a){
      | ^~
a.cc:6:1: error: 'll' does not name a type
    6 | ll funcxor(ll b){
      | ^~
a.cc: In function 'int main()':
a.cc:11:3: error: 'll' was not declared in this scope
   11 |   ll a,b;
      |   ^~
a.cc:12:10: error: 'a' was not declared in this scope
   12 |   cin >> a >> b;
      |          ^
a.cc:12:15: error: 'b' was not declared in this scope
   12 |   cin >> a >> b;
      |               ^
a.cc:13:11: error: 'funcxor' was not declared in this scope
   13 |   cout << funcxor(a-1)^funcxor(b) << endl;
      |           ^~~~~~~
Language: C++

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

using namespace std;


int main() {
	long long a, b;
	cin >> a >> b;
	vector<long long> binZero;
	vector<long long> binOne;
	++b;
	for (int i = 0; pow(2, i) <= b; ++i) {
		long long c = b % long long(pow(2, i) * 2);
		if (c <= pow(2, i)) {
			binZero.push_back(c);
			binOne.push_back(0);
		}
		else {
			binZero.push_back(pow(2, i));
			binOne.push_back(c - pow(2, i));
		}

		int d = b / long long(pow(2, i) * 2);
		binZero[binZero.size() - 1] += d * pow(2, i);
		binOne[binOne.size() - 1] += d * pow(2, i);
	}


	for (int i = 0; i < binZero.size(); ++i) {
		long long c = a % long long(pow(2, i) * 2);
		if (c <= pow(2, i)) {
			binZero[i] -= c;
			binOne[i] -= 0;
		}
		else {
			binZero[i] -= pow(2, i);
			binOne[i] -= (c - pow(2, i));
		}

		int d = a / long long(pow(2, i) * 2);
		binZero[i] -= d * pow(2, i);
		binOne[i] -= d * pow(2, i);
	}

	long long ans = 0ll;
	for (int i = 0; i < binZero.size(); ++i) {

		binZero[i] %= 2;
		binOne[i] %= 2;
		
		ans += (long long(pow(2, i)) * (binOne[i]));
	}
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:35: error: expected primary-expression before 'long'
   20 |                 long long c = b % long long(pow(2, i) * 2);
      |                                   ^~~~
a.cc:30:29: error: expected primary-expression before 'long'
   30 |                 int d = b / long long(pow(2, i) * 2);
      |                             ^~~~
a.cc:37:35: error: expected primary-expression before 'long'
   37 |                 long long c = a % long long(pow(2, i) * 2);
      |                                   ^~~~
a.cc:47:29: error: expected primary-expression before 'long'
   47 |                 int d = a / long long(pow(2, i) * 2);
      |                             ^~~~
a.cc:58:25: error: expected primary-expression before 'long'
   58 |                 ans += (long long(pow(2, i)) * (binOne[i]));
      |                         ^~~~
a.cc:58:25: error: expected ')' before 'long'
   58 |                 ans += (long long(pow(2, i)) * (binOne[i]));
      |                        ~^~~~
      |                         )
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <cmath>

#define MOD long(1e18)

using namespace std;

long q_pow(long x, long n){
    if(n == 0) return 1;
    if(n==1) return x;
    else if(n%2 == 0) return q_pow(x*x, n/2);
    else return x * q_pow(x, n-1);
}

string n_ary_convert(long n, long ary){
    if(n == 0) return "0";
    string ans = "";
    while(n != 0){
        if(n < 0){
            long temp = -n % ary;
            ans += to_string(temp);
            n = n / ary;
            if(temp == 0) continue;
            if(ary < 0) n++;
            else n--; 
        }
        else{
            ans += to_string(n % ary);
            n /= ary;
        }
    }
    reverse(ans.begin(), ans.end());
    return ans;
}

long fnum(long x, int f){
    long ans = 0;
    ans += pow(2, f) * (x / int(pow(2, f + 1)));
    ans += max(long(x % long(pow(2, f + 1)) - pow(2, f)), 0l);
    return ans;
}

void g(long x, int * d, int N){
    for(int i=0; i<N; i++){
        d[i] = fnum(x, i);
    }
}

int main(){
    long A, B;
    cin >> A >> B;
    int N = n_ary_convert(B, 2).length();
    long da[N], db[N];
    g(A, da, N); g(B+1, db, N);
    long ans = 0;
    for(int i=0; i<N; i++){
        if((db[i] - da[i]) %2 ==  1){
            ans += pow(2, i);
        }
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:56:10: error: cannot convert 'long int*' to 'int*'
   56 |     g(A, da, N); g(B+1, db, N);
      |          ^~
      |          |
      |          long int*
a.cc:45:22: note:   initializing argument 2 of 'void g(long int, int*, int)'
   45 | void g(long x, int * d, int N){
      |                ~~~~~~^
a.cc:56:25: error: cannot convert 'long int*' to 'int*'
   56 |     g(A, da, N); g(B+1, db, N);
      |                         ^~
      |                         |
      |                         long int*
a.cc:45:22: note:   initializing argument 2 of 'void g(long int, int*, int)'
   45 | void g(long x, int * d, int N){
      |                ~~~~~~^
Language: C++

#include<bits/stdc++.h>
#include<unordered_set>
#include<unordered_map>
#include <iostream>
#include <string>
#include <cmath>
using namespace std;
#define ll long long
#define rep(i, n) for (ll i = 0; i < (n); i++)
#define FOR(i,a,b) for(ll i=(a);i<(b);i++)
#define FORR(i,a,b)for(ll i=(a);i<=(b);i++)
#define repR(i,n) for(ll i=n;i>=0;i--)
#define all(v)(v).begin(),(v).end()
#define rall(v)(v).rbegin(),(v).rend()
#define F first
#define S second
#define pb push_back
#define pu push
#define COUT(x) cout<<(x)<<endl
#define PQ priority_queue<ll>
#define PQR priority_queue<ll,vector<ll>,greater<ll>>
#define YES(n) cout << ((n) ? "YES" : "NO"  ) << endl
#define Yes(n) cout << ((n) ? "Yes" : "No"  ) << endl
#define mp make_pair
#define maxs(x,y) (x = max(x,y))
#define mins(x,y) (x = min(x,y))
#define sz(x) (int)(x).size()
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll MOD = 1000000007LL;
const ll INF = 1LL << 60;
using vll = vector<ll>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vvll = vector<vll>;
using vstr = vector<string>;
using pll = pair<ll, ll>;
using vc = vector<char>;
using vvc = vector<vc>;
ll dx[4]={0,1,0,-1};
ll dy[4]={1,0,-1,0};
ll xor(ll n){
  ll k=n/2;
  k%=2;
  if(n%2==0){
    return (k^n);
  }
  else{
    return k;
  }
}
int main(){
  ll a,b;
  cin>>a>>b;
  if(a>0) a--;
  COUT(xor(b)^xor(a));
}

Compiler output:
a.cc:42:4: error: expected unqualified-id before 'xor' token
   42 | ll xor(ll n){
      |    ^~~
a.cc: In function 'int main()':
a.cc:56:8: error: expected primary-expression before 'xor' token
   56 |   COUT(xor(b)^xor(a));
      |        ^~~
a.cc:19:24: note: in definition of macro 'COUT'
   19 | #define COUT(x) cout<<(x)<<endl
      |                        ^
a.cc:56:15: error: expected primary-expression before 'xor' token
   56 |   COUT(xor(b)^xor(a));
      |               ^~~
a.cc:19:24: note: in definition of macro 'COUT'
   19 | #define COUT(x) cout<<(x)<<endl
      |                        ^
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define INF 1000000005
#define MOD 1000000007
#define EPS 1e-10
#define rep(i,n) for(int i=0;i<(int)(n);++i)
#define rrep(i,n) for(int i=(int)(n)-1;i>=0;--i)
#define srep(i,s,t) for(int i=(int)(s);i<(int)(t);++i)
#define each(a,b) for(auto& (a): (b))
#define all(v) (v).begin(),(v).end()
#define len(v) (int)(v).size()
#define zip(v) sort(all(v)),v.erase(unique(all(v)),v.end())
#define cmx(x,y) x=max(x,y)
#define cmn(x,y) x=min(x,y)
#define fi first
#define se second
#define pb push_back
#define show(x) cout<<#x<<" = "<<(x)<<endl
#define sar(a,n) {cout<<#a<<":";rep(pachico,n)cout<<" "<<a[pachico];cout<<endl;}

using namespace std;

template<typename S,typename T>auto&operator<<(ostream&o,pair<S,T>p){return o<<"{"<<p.fi<<","<<p.se<<"}";}
template<typename T>auto&operator<<(ostream&o,set<T>s){for(auto&e:s)o<<e<<" ";return o;}
template<typename S,typename T,typename U>
auto&operator<<(ostream&o,priority_queue<S,T,U>q){while(!q.empty())o<<q.top()<<" ",q.pop();return o;}
template<typename K,typename T>auto&operator<<(ostream&o,map<K,T>&m){for(auto&e:m)o<<e<<" ";return o;}
template<typename T>auto&operator<<(ostream&o,vector<T>v){for(auto&e:v)o<<e<<" ";return o;}
void ashow(){cout<<endl;}template<typename T,typename...A>void ashow(T t,A...a){cout<<t<<" ";ashow(a...);}
template<typename S,typename T,typename U>
struct TRI{S fi;T se;U th;TRI(){}TRI(S f,T s,U t):fi(f),se(s),th(t){}
bool operator<(const TRI&_)const{return(fi==_.fi)?((se==_.se)?(th<_.th):(se<_.se)):(fi<_.fi);}};
template<typename S,typename T,typename U>
auto&operator<<(ostream&o,TRI<S,T,U>&t){return o<<"{"<<t.fi<<","<<t.se<<","<<t.th<<"}";}

typedef pair<int, int> P;
typedef pair<ll, ll> pll;
typedef TRI<int, int, int> tri;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef vector<P> vp;
typedef vector<double> vd;
typedef vector<string> vs;

const int MAX_N = 100005;

long long allxor(long long val) {
	return (val & 1LL) ? ((val & 3) == 1) ; (val ^ (val ^ 1 & 3) == 3));
}

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);
	ll a, b;
	cin >> a >> b;
	if(a == 0){
		cout << allxor(b) << "\n";
	}else{
		cout << (allxor(a-1) ^ allxor(b)) << "\n";
	}
    return 0;
}

Compiler output:
a.cc: In function 'long long int allxor(long long int)':
a.cc:50:46: error: expected ':' before ';' token
   50 |         return (val & 1LL) ? ((val & 3) == 1) ; (val ^ (val ^ 1 & 3) == 3));
      |                                              ^~
      |                                              :
a.cc:50:47: error: expected primary-expression before ';' token
   50 |         return (val & 1LL) ? ((val & 3) == 1) ; (val ^ (val ^ 1 & 3) == 3));
      |                                               ^
a.cc:50:75: error: expected ';' before ')' token
   50 |         return (val & 1LL) ? ((val & 3) == 1) ; (val ^ (val ^ 1 & 3) == 3));
      |                                                                           ^
      |                                                                           ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(k,i,n) for(ll i=k;i<n;++i)
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll f(ll x) {
  ll temp=(x+1)/2%2;
  if(x%2) {
    return temp;
  }
  return temp^a;
}

int main() {
  ll a, b;
  cin >> a >> b;
  if(a==b) {
    cout << a << endl;
    return 0;
  }
  ll ans=f(a-1)^f(b);
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'll f(ll)':
a.cc:13:15: error: 'a' was not declared in this scope
   13 |   return temp^a;
      |               ^
Language: C++

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

#define rep(i,n) for(int i = 0; i < (n); ++i)

#define debug(vec) for(auto v : vec) cout << v << " "; cout << endl;

#define debug2D(vec2D) for(auto vec : vec2D) { for (auto v : vec) cout << v << " "; cout << endl; } 

using namespace std;

typedef long long ll;

int main() {
  ll a, b;
	cin >> a >> b;

	ll fa, fb;
	if (a % 2 == 1) {
		fa = (((a-1) / 2) % 2) ^ (a-1);
	}
	else {
		fa = (a / 2) % 2;
	}

	if (b % 2 == 0) {
		fb = ((b / 2) % 2) ^ b;
	}
	else {
		fb = ((b+1) / 2) % 2;

	cout << (fa ^ fb) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:35:2: error: expected '}' at end of input
   35 | }
      |  ^
a.cc:16:12: note: to match this '{'
   16 | int main() {
      |            ^
Language: C++

A, B = map(int, input().split())

def calc(x): #[0, x]
    if x == 0: return 0
    res = 0
    x += 1
    for i in range(64):
        length = 2**i
        cycle = 2**(i+1)
        num = (x // cycle) * length
        if (x % cycle) > length: num += x % cycle - length
        if num%2: res += 2**i
    return res

def calc2(x):
    res = 0
    for i in range(x+1): res ^= i
    return res

for i in range(100):
    a, b = calc(i), calc2(i)
    assert a == b ,f'i={i}, a={a}, b={b}'

print(calc(A-1), calc(B))
ans = calc(B) ^ calc(A-1)
print(ans)


Compiler output:
a.cc:3:14: error: stray '#' in program
    3 | def calc(x): #[0, x]
      |              ^
a.cc:22:21: warning: multi-character literal with 19 characters exceeds 'int' size of 4 bytes
   22 |     assert a == b ,f'i={i}, a={a}, b={b}'
      |                     ^~~~~~~~~~~~~~~~~~~~~
a.cc:1:1: error: 'A' does not name a type
    1 | A, B = map(int, input().split())
      | ^
Language: C++

#include <iostream>
#include <iomanip>
#include <fstream>
#include <vector>
#include <algorithm>
#include <math.h>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>

#define _GLIBCXX_DEBUG
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
using namespace std;
using vi = vector<int64_t>;
using vvi = vector<vi>;

int main(int argc, const char * argv[]) {
    // fasten cin
    cin.tie(0);
    ios::sync_with_stdio(false);
    // implement
    int64_t a,b;
    cin >> a >> b;
    bitset<40> a_,b_,res_,tmp;
    a_ = a;
    b_ = b;
    res_ = a;
    for(int64_t i=a+1; i<=b; i++){
        tmp = i;
        res_ = res_^tmp;
    }
    cout << res_.to_ullong() << endl;
}


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:26:5: error: 'bitset' was not declared in this scope
   26 |     bitset<40> a_,b_,res_,tmp;
      |     ^~~~~~
a.cc:12:1: note: 'std::bitset' is defined in header '<bitset>'; this is probably fixable by adding '#include <bitset>'
   11 | #include <stack>
  +++ |+#include <bitset>
   12 | 
a.cc:26:16: error: 'a_' was not declared in this scope; did you mean 'a'?
   26 |     bitset<40> a_,b_,res_,tmp;
      |                ^~
      |                a
a.cc:26:19: error: 'b_' was not declared in this scope; did you mean 'b'?
   26 |     bitset<40> a_,b_,res_,tmp;
      |                   ^~
      |                   b
a.cc:26:22: error: 'res_' was not declared in this scope
   26 |     bitset<40> a_,b_,res_,tmp;
      |                      ^~~~
a.cc:26:27: error: 'tmp' was not declared in this scope; did you mean 'tm'?
   26 |     bitset<40> a_,b_,res_,tmp;
      |                           ^~~
      |                           tm
Language: C++

a, b = map(int, input().split())

def f(n):
    if n%4 == 0:
        return n
    elif n%4 == 1:
        return 1
    elif n%4 == 2:
        return n+1
    else:
        return 0

print(f(b)^f(a-1))


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

#include <bits/stdc++.h>
main(){
    long a,b,ans=0;
    std::cin>>a>>b;
    if(b%2==0)ans=ans^b;
    if(a%2==1)ans=ans^(a-1);
    ans=((b/2+1)%2)^ans;
    ans=((a/2+1)%2^ans;
    std::cout<<ans;
}

Compiler output:
a.cc:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:8:23: error: expected ')' before ';' token
    8 |     ans=((a/2+1)%2^ans;
      |         ~             ^
      |                       )
Language: C++

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

int main(){ 
  ll a, b;
  cin >> a >> b;

  auto calc = [&](ll x) {
    x++;
    ll res = 0;
    for (int d = 0; d < 55; d++) {
      ll l = (1LL << (d + 1));
      ll cnt = (x / l) * (l / 2);
      cnt += max(0LL, (x % l) - (l / 2));
      if (cnt % 2 == 1) res += (1LL << d);
    }
    return res;
  };

  cout << calc(b) ^ calc(a-1) << endl;

  return 0;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:24:31: error: invalid operands of types 'long long int' and '<unresolved overloaded function type>' to binary 'operator<<'
   24 |   cout << calc(b) ^ calc(a-1) << endl;
      |                     ~~~~~~~~~~^~~~~~~
Language: C++

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

ll XOR_cum(ll X){
    ll res = X;
    if(X % 4 == 0)res = X;
    if(X % 4 == 1)res = 1;
    if(X % 4 == 2)res = X + 1;
    if(X % 4 == 3)res = 0;
    return res;
}
    
int main() {
    ll A,B;
    cin>>A>>B;
    ll ans = XOR_cum(B)^XOR_cum(max(0,A-1));
    cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:36: error: no matching function for call to 'max(int, ll)'
   17 |     ll ans = XOR_cum(B)^XOR_cum(max(0,A-1));
      |                                 ~~~^~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: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:17:36: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   17 |     ll ans = XOR_cum(B)^XOR_cum(max(0,A-1));
      |                                 ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:17:36: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   17 |     ll ans = XOR_cum(B)^XOR_cum(max(0,A-1));
      |                                 ~~~^~~~~~~
Language: C++

#include <iostream>
using namespace std;
long long a, b, ans = 0, m = 0;

int main(){
  cin >> a >> b;
  n = (b - a + 1)%4;
  while (n--){
    ans = ans ^ b;
    b--;
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'n' was not declared in this scope
    7 |   n = (b - a + 1)%4;
      |   ^
Language: C++

#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <numeric>
#include <bitset>

using namespace std;    
typedef long long ll;
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()

// F(0, x)
bitset<40> func ( ll a ){

    bitset<40> bs;
    if(a == 0){
        return bitset<40>(0);
    }

    if( a % 2 == 1){
        if( ((a + 1) / 2 ) % 2 ){
            bs = bitset<40>(1);
            return bs;
        }
        else{
            bs = bitset<40>(0);
            return bs;
        }
    }
    else{
        return func( a - 1 ) | bitset<40> (a);
    }

}

ll func(bitset<40> bs){
    ll tmp = 0;
    for(int i = 0; i < bs.size(); i++){
        tmp += (bs[i]) * pow(2, i);
    }
    return tmp;
}

int main(){

    ll a, b;
    cin >> a >> b;
    

    auto bs1 = func(a - 1);
    auto bs2 = func(b);
    auto bs3 = bs1 ^ bs2;
    cout << func(bs3) << endl;

}

Compiler output:
a.cc: In function 'll func(std::bitset<40>)':
a.cc:40:26: error: 'pow' was not declared in this scope
   40 |         tmp += (bs[i]) * pow(2, i);
      |                          ^~~
Language: C++

#include <bits/stdc++.h>
#define REP(i, n) for(ll i = 0; i < n; i++)
#define REPR(i, n) for(ll i = n; i >= 0; i--)
#define FOR(i, m, n) for(ll i = m; i < n; i++)
#define INF 2e9
#define ALL(v) v.begin(), v.end()
using namespace std;
typedef long long ll;
ll xor_(ll num) {
	ll count = (num/2) % 2 == 1;
	if(num % 2 == 0) {
		return count ^ num;
	} else {
		return count ^ 1;
	}
}
ll main()
{
	ll a,b;
	cin >> a >> b;
	
	ll r1 = xor_(a-1);
	ll r2 = xor_(b);
	ll r = r1 ^ r2;
	cout << r << endl;
	return 0;
}

Compiler output:
a.cc:17:1: error: '::main' must return 'int'
   17 | ll main()
      | ^~
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 INF 2e9
#define ALL(v) v.begin(), v.end()
using namespace std;
typedef long long ll;
int xor_(int num) {
	int count = (num/2) % 2 == 1;
	if(num % 2 == 0) {
		return count ^ num;
	} else {
		return count ^ 1;
	}
}
int main()
{
	int a,b;
	cin >> a >> b;
	
	int r1 = xor_(a-1);
	int r2 = xor_(b);
	int r = r1 ^ r2;
	cout << r << endl;
	return 0;
}

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

#include <bits/stdc++.h>
using namespace std;
 
int main(){
  long int a,b,i,kotae=0;
  cin>>a>>b;
  if(b-a<4){
    for(i=a;i<=b;i++){
      kotae=kotae^i;
    }
    cout<<kotae;
    return 0;
  }
  for(i=a;i<=((a/4)*4)+3);i++){
    kotae=kotae^i;
  }
  for(i=b;i>=(b/4)*4;i--){
    kotae=kotae^i;
  }
  cout<<kotae;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:25: error: expected ';' before ')' token
   14 |   for(i=a;i<=((a/4)*4)+3);i++){
      |                         ^
      |                         ;
a.cc:14:30: error: expected ';' before ')' token
   14 |   for(i=a;i<=((a/4)*4)+3);i++){
      |                              ^
      |                              ;