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

#ifdef __GNUC__ 
#include <bits/stdc++.h>
#endif
#include <boost/multiprecision/cpp_int.hpp>
#define ALL(v) std::begin(v),std::end(v)
using namespace std;
namespace mp = boost::multiprecision;
using u6 = std::uint64_t;
using si = std::size_t;
#ifdef __GNUC__ 
#include <bits/stdc++.h>
#endif
using namespace std;
uint64_t gcd(uint64_t l, uint64_t r) {
	if (r == 0)return l;
	return gcd(r, l%r);
}
template <uint64_t maxval>
struct Prime {
	uint64_t primevals[maxval / 8];
	uint64_t primecount;
	constexpr Prime() {
		primecount = 0;
		for (uint64_t i = 2; i < maxval; ++i) {
			for (uint64_t j = 0; j < primecount; ) {
				if (i%primevals[j] == 0) {
					++i; j = 0;
				}
				else {
					++j;
				}
			}
			primevals[primecount] = i;
			++primecount;
		}
	}
	vector<u6> nonfactor;
	u6 commonfactor;
	u6 primeout(vector<u6> &  a) {
		si size = a.size();
		u6 divcount = 0; bool exitflag = true;
		
		nonfactor.resize(a.size(), 1);
		commonfactor = 1;
		vector<si> indexbuf, indexbuf2;
		si nondivindex = 0;
		indexbuf.reserve(a.size()); indexbuf2.reserve(a.size());
		auto fn = [&](si index,u6 p,u6 p2) {
			if (a[index] > p2)exitflag = false;
			//auto tmp = __gcd(a[index],p);
			if (a[index]%p==0) {
				a[index] /= p; ++divcount;
				indexbuf.push_back(index);
			}
			else {
				nondivindex = index;
			}
		};
		for (uint64_t i = 0; i < primecount; ) {
			exitflag = true; divcount = 0;u6 p2=primevals[i]*primevals[i];
			nondivindex=0;
			for (si index=0; index!=a.size(); ++index) {
				fn(index, primevals[i],p2);
			}
			while (divcount != 0) {
				if (divcount == size - 1) {
					nonfactor[nondivindex] *= primevals[i];
				}
				else if (divcount == size) {
					commonfactor *= primevals[i];
				}
				indexbuf2.swap(indexbuf);
				indexbuf.clear(); divcount = 0;
				for (auto index : indexbuf2)fn(index, primevals[i],p2);
			}
			++i;
			if (exitflag) {
				break;
			}
		}
		unordered_map<u6,u6> m;
		for(auto x:a){if(x!=1){++m[x];}}
		for(auto ite=m.begin();ite!=m.end();++ite){
			if(ite->second==size){commonfactor *= ite->second;}
			else if(ite->second==size-1){
						for(si i=0;i<size;++i){if((a[i]!=1) && (a[i]!=ite->second)){nonfactor[i] =max(ite->second,nonfactor[i] )  }}
			}
		}
		
		auto elemi = max_element(ALL(nonfactor));
		return *elemi*commonfactor;
	}
};
Prime<31625> prime;
 
int main() {
	//istringstream in("3\n7 6 8");
  	auto & in  =cin;
	u6 l;
	in >> l;
	vector<u6> a(l);
	for (si i = 0; i < l; ++i)in >> a[i];
	cout << prime.primeout(a) << endl;
}

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

#ifdef __GNUC__ 
#include <bits/stdc++.h>
#endif
#include <boost/multiprecision/cpp_int.hpp>
#define ALL(v) std::begin(v),std::end(v)
using namespace std;
namespace mp = boost::multiprecision;
using u6 = std::uint64_t;
using si = std::size_t;
#ifdef __GNUC__ 
#include <bits/stdc++.h>
#endif
using namespace std;
uint64_t gcd(uint64_t l, uint64_t r) {
	if (r == 0)return l;
	return gcd(r, l%r);
}
template <uint64_t maxval>
struct Prime {
	uint64_t primevals[maxval / 8];
	uint64_t primecount;
	constexpr Prime() {
		primecount = 0;
		for (uint64_t i = 2; i < maxval; ++i) {
			for (uint64_t j = 0; j < primecount; ) {
				if (i%primevals[j] == 0) {
					++i; j = 0;
				}
				else {
					++j;
				}
			}
			primevals[primecount] = i;
			++primecount;
		}
	}
	vector<u6> nonfactor;
	u6 commonfactor;
	u6 primeout(vector<u6> &  a) {
		si size = a.size();
		u6 divcount = 0; bool exitflag = true;
		
		nonfactor.resize(a.size(), 1);
		commonfactor = 1;
		vector<si> indexbuf, indexbuf2;
		si nondivindex = 0;
		indexbuf.reserve(a.size()); indexbuf2.reserve(a.size());
		auto fn = [&](si index,u6 p,u6 p2) {
			if (a[index] > p2)exitflag = false;
			//auto tmp = __gcd(a[index],p);
			if (a[index]%p==0) {
				a[index] /= p; ++divcount;
				indexbuf.push_back(index);
			}
			else {
				nondivindex = index;
			}
		};
		for (uint64_t i = 0; i < primecount; ) {
			exitflag = true; divcount = 0;u6 p2=primevals[i]*primevals[i];
			nondivindex=0;
			for (si index=0; index!=a.size(); ++index) {
				fn(index, primevals[i],p2);
			}
			while (divcount != 0) {
				if (divcount == size - 1) {
					nonfactor[nondivindex] *= primevals[i];
				}
				else if (divcount == size) {
					commonfactor *= primevals[i];
				}
				indexbuf2.swap(indexbuf);
				indexbuf.clear(); divcount = 0;
				for (auto index : indexbuf2)fn(index, primevals[i],p2);
			}
			++i;
			if (exitflag) {
				break;
			}
		}
		unordered_map<u6,u6> m;
			for(auto x:a){if(m[a]!=1){++m[a];}}
		for(auto ite=m.begin();ite!=m.end();++ite){
			if(ite->second==size){commonfactor *= ite->second;}
			else if(ite->second==size-1){
					for(si i=0;i<size;++i){if((a[i]!=1) && (a[i]!=ite->second)){nonfactor[i] *=a[i];  }}
			}
		}
		
		auto elemi = max_element(ALL(nonfactor));
		return *elemi*commonfactor;
	}
};
Prime<31625> prime;
 
int main() {
	//istringstream in("3\n7 6 8");
  	auto & in  =cin;
	u6 l;
	in >> l;
	vector<u6> a(l);
	for (si i = 0; i < l; ++i)in >> a[i];
	cout << prime.primeout(a) << endl;
}

Compiler output:
a.cc:4:10: fatal error: boost/multiprecision/cpp_int.hpp: No such file or directory
    4 | #include <boost/multiprecision/cpp_int.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: Java

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);

		// 整数の入力
		int n = sc.nextInt();
		int[] A = new int[n];

		for(int i=0;i<n;i++)
			A[i] = sc.nextInt();

		Arrays.sort(A);

		boolean flg = true;
		int counter = 1;
		int max = 1;

		for(int i=1;i<n;i++){
			if(A[i]%A[n-1]!=0){
				if(counter>0){
					counter--;
				} else {
					flg = false;
					break;
				}
			}	
		}

		if(flg){
			max = A[n-1];
		} else {
			for(int m=A[n-1]/2;m>1;m--){
				counter = 1;
				flg = true;
				for(int i=0;i<n;i++){
					if(A[i]%m!=0){
						if(counter>0){
							counter--;
						} else {
							flg = false;
							break;
						}
					}	
				}
				if(flg){
					max = m;
					break;
				}
			}
		}

		// 出力
		System.out.println(max);
	}
}

Compiler output:
Main.java:1: error: unnamed classes are a preview feature and are disabled by default.
	public static void main(String[] args){
	              ^
  (use --enable-preview to enable unnamed classes)
Main.java:54: error: class, interface, enum, or record expected
}
^
2 errors
Language: C

#include<stdio.h>
int main(void){
  int n;
  int i, j, ans;
  int max = 0;
  int flg = 0;
  int cnt = 0;
  int max2 = 0;
  int fl = 0;
  
  scanf("%d", &n);
  
  int a[n];
  for(i = 0; i < n; i++){
    scanf("%d", &a[i]);
    if(max < a[i]){
      max2 = max;
      max = a[i];
    }
    else if(max2 < a[i]){
      max2 = a[i];
  }
  
  for(j = max; j > 0; j--){
    for(i = 0; i < n; i++){
      if((a[i] % j) != 0){
        cnt++;
        if(fl == 0){
          j = max2 +1;
          fl = 1;
        }
        if(cnt == 2){
          cnt = 0;
          break;
        }
      }
      else if(i == n -1){
        ans = j;
        flg = 1;
        break;
      }
    }
    if(cnt == 1){
      ans = j;
      flg = 1;
    }
    
    if(flg == 1){
      printf("%d\n", ans);
      break;
    }
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:54:1: error: expected declaration or statement at end of input
   54 | }
      | ^
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <set>
#include <cmath>
#include <cstring>
#include <iomanip>
#include <random>
#include <chrono>
#include <queue>
#include <ctime>
using namespace std;
typedef long long ll;
typedef pair<int, int> PII;
typedef pair<ll, ll> PLL;
#define fs first
#define sc second
#define INF 1000000000
#define MOD 1000000007
#define EPS 0.00000001

int main() {
    int N; cin >> N;
    vector<int> A(N);
    for(int &a:A)
        cin >> a;

    set<int> S;
    for(int i=0; i<2; i++){
        for(int j=1; j*j<=A[i]; j++){
            if(A[i]%j==0){
                S.insert(j);
                S.insert(A[i]/j);
            }
        }
    }
    
    map<int, int> M;
    for(int i=0; i<(int)S.size(); i++){
        for(int j=0; j<N; j++){
            if(A[j]%S[i]==0) M[S[i]]++;
        }
    }
    
    int ans = 0;
    for(auto m:M){
        if(m.sc >= N-1) ans = max(ans, m.fs);
    }
        
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:42:22: error: no match for 'operator[]' (operand types are 'std::set<int>' and 'int')
   42 |             if(A[j]%S[i]==0) M[S[i]]++;
      |                      ^
a.cc:42:33: error: no match for 'operator[]' (operand types are 'std::set<int>' and 'int')
   42 |             if(A[j]%S[i]==0) M[S[i]]++;
      |                                 ^
Language: C++

#include<iostream>
#include<string>
#include<vector>
#include<stdio.h>
#include<algorithm>
#include<math.h>
#include<numeric>
#include<iomanip>
#include<deque>
#include<tuple>
#include<queue>
#include<stack>
#include<map>
#include<cstdint>
#include<unordered_map>
#include<boost/multiprecision/cpp_int.hpp>


#define rep(i, n) for(int i = 0; i < ( int)(n); i++)
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define vi vector<int>
#define vll vector<ll>
#define all(x) (x).begin(),(x).end()
#define F first
#define S second


namespace mp = boost::multiprecision;

using cpp_int = mp::cpp_int;
using ll = long long;
using namespace std;


int main() {
	int n;
	cin >> n;
	vector<int>a(n);
	rep(i, n) {
		cin >> a[i];
	}
	sort(all(a));

		int b = a[0];
		int c = a[1];
		deque<int>ans;
		FOR(i, 2, c + 1) {
			if (c % i == 0 or b % i == 0) {
				ans.push_back(i);
			}
		}
		sort(all(ans));
		reverse(all(ans));
		int gcd = 1;
		bool flag = true;
		rep(i, ans.size()) {
			int count = 0;

			rep(j, n) {

				if (a[j] % ans[i] != 0) {
					count++;
				}
				if (count >= 2) {
					break;
				}
			}
			if (count <= 1) {
				gcd = max(gcd, ans[i]);
			}

		}
		cout << gcd << endl;


	}
}


Compiler output:
a.cc:16:9: fatal error: boost/multiprecision/cpp_int.hpp: No such file or directory
   16 | #include<boost/multiprecision/cpp_int.hpp>
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<string>
#include<vector>
#include<stdio.h>
#include<algorithm>
#include<math.h>
#include<numeric>
#include<iomanip>
#include<deque>
#include<tuple>
#include<queue>
#include<stack>
#include<map>
#include<cstdint>
#include<unordered_map>
#include<boost/multiprecision/cpp_int.hpp>


#define rep(i, n) for(int i = 0; i < ( int)(n); i++)
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define vi vector<int>
#define vll vector<ll>
#define all(x) (x).begin(),(x).end()
#define F first
#define S second


namespace mp = boost::multiprecision;

using cpp_int = mp::cpp_int;
using ll = long long;
using namespace std;


int main() {
	int n;
	cin >> n;
	vector<int>a(n);
	rep(i, n) {
		cin >> a[i];
	}
	sort(all(a));
	if ((a[0] == a[a.size() - 1] or a[0]==a[a.size()-2] or 
		(a[1]==a[a.size()-1] &&a.size()>=3)) {

		cout << a[0] << endl;
	}
	else {
		int b = a[0];
		int c = a[1];
		deque<int>ans;
		FOR(i, 2, c + 1) {
			if (c % i == 0) {
				ans.push_back(i);
			}
		}
		FOR(i, 2, b + 1) {
			if (b % i == 0) {
				ans.push_back(i);
			}
		}
		sort(all(ans));
		reverse(all(ans));
		int gcd = 1;
		bool flag = true;
		rep(i, ans.size()) {
			int count = 0;
		
			if (i != ans.size() - 1) {
				if (ans[i] != ans[i + 1]) {
					rep(j, n) {

						if (a[j] % ans[i] != 0) {
							count++;
						}
						if (count >= 2) {
							break;
						}
					}
					if (count <= 1) {
						gcd = max(gcd, ans[i]);
						break;
					}
				}
			}
			else {
				rep(j, n) {
					if (a[j] % ans[i] != 0) {
						count++;
					}
					if (count >= 2) {
						break;
					}
				}
				if (count <= 1) {
					gcd = max(gcd, ans[i]);
					break;
				}
			}
		}
		cout << gcd << endl;
	}

}


Compiler output:
a.cc:16:9: fatal error: boost/multiprecision/cpp_int.hpp: No such file or directory
   16 | #include<boost/multiprecision/cpp_int.hpp>
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>

using namespace std;

#pragma GCC optimize("O3")
static const auto __ = [] {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  return nullptr;
}();

int solve(int N) {
  int A[N];
  for (int& a : A) {
    cin >> a;
  }
  int L[N];
  L[0] = A[0];
  for (int i {1}; i < N; ++i) {
    L[i] = __gcd(L[i - 1], A[i]);
  }
  int R[N];
  R[N - 1] = A[N - 1];
  for (int i {N - 2}; i; --i) {
    R[i] = __gcd(R[i + 1], A[i]);
  }
  int ans {max(R[0], L[N - 1])};
  for (int i {1}; i < N - 1; ++i) {
    ans = max(ans, __gcd(L[i - 1], R[i + 1]));
  }
  return ans;
}

int main(int argc, char* argv[]) {
  i

Compiler output:
a.cc: In function 'int main(int, char**)':
a.cc:35:3: error: 'i' was not declared in this scope
   35 |   i
      |   ^
a.cc:35:4: error: expected '}' at end of input
   35 |   i
      |    ^
a.cc:34:34: note: to match this '{'
   34 | int main(int argc, char* argv[]) {
      |                                  ^
Language: C++

#include<iostream>
#include<algorithm>
using namespace std;
int gcd(int a,int b);
int main(){
  int n;
  int data[100005];

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

  int left_gcd[100005];
  int right_gcd[100005];
  left_gcd[0]=data[0];
  right_gcd[n-1]=data[n-1];
  for(int i=1;i<n;i++){
    left_gcd[i]=gcd(left_gcd[i-1],data[i]);
  }
  for(int i=n-2;i>=0;i--){
    right_gcd[i]=gcd(right_gcd[i+1],data[i]);
  }

  int maxim=max(right_gcd[1],left_gcd[n-2]);
  for(int i=1;i<n-1;i++){
    maxim=max(maxim,gcd(left_gcd[i-1],right_gcd[i+1]));
  }
  cout<<maxim<<endl;
  return(0);
}

int gcd(int a,int b){
  while(b>0){
    int temp=a%b;
    a=b;
    b=temp;
  }
  return(a);
}


int gcd(int a,int b){
  while(b>0){
    int temp=a%b;
    a=b;
    b=temp;
  }
  return(a);
}



Compiler output:
a.cc:43:5: error: redefinition of 'int gcd(int, int)'
   43 | int gcd(int a,int b){
      |     ^~~
a.cc:33:5: note: 'int gcd(int, int)' previously defined here
   33 | int gcd(int a,int b){
      |     ^~~
Language: C++

#include<iostream>
#include<algorithm>
using namespace std;
int gcd(int a,int b);
int main(){
  int n;
  int data[100005];

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

  int left_gcd[100005];
  int right_gcd[100005];
  left_gcd[0]=data[0];
  right_gcd[n-1]=data[n-1];
  for(int i=1;i<n;i++){
    left_gcd[i]=gcd(left_gcd[i-1],data[i]);
  }
  for(int i=n-2;i>=0;i--){
    right_gcd[i]=gcd(right_gcd[i+1],data[i]);
  }

  int maxim=max(right_gcd[1],left_gcd[n-2]);
  for(int i=1;i<n-1;i++){
    maxim=max(maxim,gcd(left_gcd[i-1],right_gcd[i+1]));
  }
  cout<<maxim<<endl;
  return(0);
}


Compiler output:
/usr/bin/ld: /tmp/ccq4IbIa.o: in function `main':
a.cc:(.text+0xb1): undefined reference to `gcd(int, int)'
/usr/bin/ld: a.cc:(.text+0xf9): undefined reference to `gcd(int, int)'
/usr/bin/ld: a.cc:(.text+0x175): undefined reference to `gcd(int, int)'
collect2: error: ld returned 1 exit status
Language: C

#include<stdio.h>

int main(void)
{
    int n;
    int num[n];
    int i,j;
    int lcm=0;
    int a;

    scanf("%d\n",&n);
    for(i=0;i<n;i++){
        for(j=0;j<n;j++){
            if(i!=j){
                a=num[i]-j[i];
                if(lcm<a){
                    lum=a;
                }
            }
        }
    }
    printf("%d\n",lcm);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:27: error: subscripted value is neither array nor pointer nor vector
   15 |                 a=num[i]-j[i];
      |                           ^
main.c:17:21: error: 'lum' undeclared (first use in this function); did you mean 'lcm'?
   17 |                     lum=a;
      |                     ^~~
      |                     lcm
main.c:17:21: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

N = int(input())
A = sorted(list(map(int, input().split())))

def gcd(a, b):
  if b > a:
    a, b = b, a  
  red = a % b
  if red == 0:
    return b
  else:
    return gcd(red, b)

print(max([gcd(A[i], A[j]) for i in range(len(A)) for j in range(i+1, len(A))]))

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

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

int gcd (int x, int y) {
  if (y == 0) return x;
  return gcd(y, x%y);
}

int main () {
  int N;
  cin >> N;
  vector<int> a(N);
  rep(i, n) cin >> a[i];
  vector<int> l(N, 0), r(N, 0);
  rep(i, N-1) l[i+1] = gcd(l[i], a(i));
  for(int i = N-1; i >= 1; i--) r[i] = gcd(r[i+1], a[i]);
  int ans = 1;
  rep(i, n) ans = gcd(ans, gcd(l[i], r[i]));
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:10: error: 'n' was not declared in this scope
   14 |   rep(i, n) cin >> a[i];
      |          ^
a.cc:2:40: note: in definition of macro 'rep'
    2 | #define rep(i, n) for (int i = 0; i < (n); i++)
      |                                        ^
a.cc:16:35: error: no match for call to '(std::vector<int>) (int&)'
   16 |   rep(i, N-1) l[i+1] = gcd(l[i], a(i));
      |                                  ~^~~
a.cc:19:10: error: 'n' was not declared in this scope
   19 |   rep(i, n) ans = gcd(ans, gcd(l[i], r[i]));
      |          ^
a.cc:2:40: note: in definition of macro 'rep'
    2 | #define rep(i, n) for (int i = 0; i < (n); i++)
      |                                        ^
Language: C++

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

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

int main() {
    int N;
    cin>>N;
    vector<long long> A(N);
    for(int i=0;i<N;i++){
        cin>>A[i];
    }
    sort(A.begin(),A.end());
    long long res=1;
    vector<long long> L(N+1);
    vector<long long> R(N+1);
    L[0]=0;
    R[N]=0;
    for(int i=1;i<N+1;i++){
      L[i]=__gcd(L[i-1],A[i-1]);
    }
    for(int i=N-1;i>=0;i--){
      R[i]=__gcd(R[i+1],A[i]);
    }
    for(int i=0;i<N;i++){
   	  res=max(res,__gcd(L[i],R[i+1]));
    }
    cout<<res<<endl;
    return 0;
}
`

Compiler output:
a.cc:36:1: error: stray '`' in program
   36 | `
      | ^
Language: C++

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

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

int main() {
    int N;
    cin>>N;
    vector<long long> A(N);
    for(int i=0;i<N;i++){
        cin>>A[i];
    }
    sort(A.begin(),A.end());
    int res=1;
    vector<long long> L(N+1);
    vector<long long> R(N+1);
    L[0]=0;
    R[N]=0;
    for(int i=1;i<N+1;i++){
      L[i]=__gcd(L[i-1],A[i-1]);
    }
    for(int i=N-1;i>=0;i--){
      R[i]=__gcd(R[i+1],A[i]);
    }
    for(int i=0;i<N-1;i++){
   	  res=max(res,__gcd(L[i],R[i+1]));
    }
    cout<<res<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:31:18: error: no matching function for call to 'max(int&, long long int)'
   31 |           res=max(res,__gcd(L[i],R[i+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:31:18: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   31 |           res=max(res,__gcd(L[i],R[i+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:31:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   31 |           res=max(res,__gcd(L[i],R[i+1]));
      |               ~~~^~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
typedef pair<P,ll> Pll;
typedef pair<P,P> PP;
#define rep(i,a,n) for(int i = a;i < n;i++)
#define LINF (ll)1e17
#define INF 1e9
#define MOD 1e9+7
#define sMOD 1e5
#define fs first
#define sc second

ll gcd(ll a,ll b){
	if(!b) return a;
	return gcd(b,a%b);
}




signed main(){
	
	ll n,ans = 1,memo = INF,gcd_num[100] = {},gcd_num_index = 0;
	bool num_list[1e9] = {false};
	cin >> n;
	bool flag = true;
	
	ll a[n] = {};
	
	rep(i,0,n)cin >> a[i];
	
	if(n >= 200){
		rep(i,0,n){
			if(gcd_num_index >= 100) break;
			if(!num_list[gcd(a[i],a[i+1])]){
				gcd_num[gcd_num_index] = gcd(a[i],a[i+1]);
				gcd_num_index++;
			}
			i++;
		}
		
		
		rep(i,0,gcd_num_index){
			flag = true;
			rep(j,0,n){
				if(gcd_num[i] != gcd(a[j],gcd_num[i]) && flag){
					flag = false;
					continue;
				}
				
				ans = max(ans,gcd(a[j],gcd_num[i]));
				//cout << ans << endl;
			}
			
			flag = true;
			rep(j,0,n){
				if(gcd_num[i] != gcd(a[n-j-1],gcd_num[i]) && flag){
					flag = false;
					continue;
				}
				
				ans = max(ans,gcd(a[n-j-1],gcd_num[i]));
				//cout << ans << endl;
			}
		}
		
		cout << ans << endl;
	}
	else{
		rep(i,0,n){
			rep(j,0,n){
				memo = a[i];
				rep(k,0,n){ //i番目を基準,j番目を飛ばす,kでチェック
					if(k == j) continue;
					memo = gcd(memo,a[k]);
				}
				ans = max(memo,ans);
			}
		}
		
		cout << ans << endl;
	}
	
	return 0;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:26:23: error: conversion from 'double' to 'long unsigned int' in a converted constant expression
   26 |         bool num_list[1e9] = {false};
      |                       ^~~
a.cc:26:23: error: could not convert '1.0e+9' from 'double' to 'long unsigned int'
   26 |         bool num_list[1e9] = {false};
      |                       ^~~
      |                       |
      |                       double
a.cc:26:23: error: size of array 'num_list' has non-integral type 'double'
Language: C++

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

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

int main() {
    int N;
    cin>>N;
    vector<int> A(N);
    for(int i=0;i<N;i++){
        cin>>A[i];
    }
    sort(A.begin(),A.end());
    int res=1;
    vector<int> L(N+1);
    vector<int> R(N+1);
    L[0]=0;
    R[N]=0;
    for(int i=1;i<N+1;i++){
      L[i]=gcd(L[i-1],A[i-1]);
    }
    for(int i=N-1;i>=0;i--){
      R[i]=gcd(L[i+1],A[i]);
    }
    for(int i=0;i<N-1;i++){
   	  res=max(res,gcd(L[i],R[i]);
    }
    cout<<res<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:37: error: expected ')' before ';' token
   30 |           res=max(res,gcd(L[i],R[i]);
      |                  ~                  ^
      |                                     )
Language: C++

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

int main() {
    int N;
    cin>>N;
    vector<int> A(N);
    for(int i=0;i<N;i++){
        cin>>A[i];
    }
    sort(A.begin(),A.end());
    int res=1;
    vector<int> L(N+1);
    vector<int> R(N+1);
    L[0]=0;
    R[N]=0;
    for(int i=1;i<N+1;i++){
      L[i]=gcd(L[i-1],A[i-1]);
    }
    for(int i=N-1;i>=0;i--){
      R[i]=gcd(L[i+1],A[i]);
    }
    for(int i=0;i<N-1;i++){
   	  res=max(res,gcd(L[i],R[i]);
    }
    cout<<res<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:37: error: expected ')' before ';' token
   24 |           res=max(res,gcd(L[i],R[i]);
      |                  ~                  ^
      |                                     )
Language: Java


import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
import java.util.stream.Collectors;

public class Main {
	public static void main(String[] args) {
		// TODO Auto-generated method stub

		Scanner scanner = new Scanner(System.in);
		
		String inputN = scanner.nextLine();
		String inputA = scanner.nextLine();

		scanner.close();
		
		Integer inN = Integer.parseInt(inputN);
		List<Integer> inA = Arrays.asList( inputA.split(" ") ).stream().map(x -> Integer.parseInt(x) ).collect(Collectors.toList());
		
		Integer[] acms = new Integer[inA.size()];
		Integer[] acmsd = new Integer[inA.size()];
		
		int acm = inA.get(0);
		acms[0] = acm;
		
		// create accumulation list
		for(int i = 1; i < inN; i++) {
			acm = calc(acm, inA.get(i));
			acms[i] = acm;
		}

		acm = inA.get(inN - 1);
		acmsd[0] = acm;
		int j = 0;
		for(int i = inN - 1; i >= 0; i--) {
			acm = calc(acm, inA.get(i));
			acmsd[j] = acm;
			j++;
		}

		
		int max = 0;
		
		for(int i = inN - 1; i >= 0; i--) {
			
			if(i > inN - 1) {
				int val = acms[inN - 2] ;
				if(val > max) {
					max = val;
				}
			}
			else if(i <= 0) {
				int val = 	acmsd[inN - 2];
				if(val > max) {
					max = val;
				}
			} else {
				int x,y;
				if(acms[i - 1] >  acmsd[i - 1]) {
					x = acms[i - 1];
					y = acmsd[i - 1];
				} else {
					y = acms[i - 1];
					x = acmsd[i - 1];
				}
				int val = 	calc( x, y ) ;
				if(val > max) {
					max = val;
				}
			}
		}
		
		System.out.println(max);
	}
	
	
}

Compiler output:
Main.java:30: error: cannot find symbol
			acm = calc(acm, inA.get(i));
			      ^
  symbol:   method calc(int,Integer)
  location: class Main
Main.java:38: error: cannot find symbol
			acm = calc(acm, inA.get(i));
			      ^
  symbol:   method calc(int,Integer)
  location: class Main
Main.java:68: error: cannot find symbol
				int val = 	calc( x, y ) ;
				          	^
  symbol:   method calc(int,int)
  location: class Main
3 errors
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define INIT std::ios::sync_with_stdio(false);std::cin.tie(0);
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
#define dump(x)  cerr << #x << " = " << (x) << endl;
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;

using namespace std;

int gcd(int x, int y) {
  if (y == 0)return x;
  return gcd(y, x%y);
}

int main() {
  INIT;
  
  int n;
  std::vector<int> a;
  std::vector<int> L;
  std::vector<int> R;
  cin >> n;
  REP(i,n){
    int f;
    cin >>f;
    a.push_back(f);
  }
  
  if(n == 2){
    cout << max(a[0], a[1]) << endl;
    return 0;
  }
  
  int il = gcd(a[0],a[1]);
  REP(i,n-1){
    il = gcd(il, a[i+1]);
    L.push_back(il);
  }
  reverse(a.begin(), a.end());
  int ir = gcd(a[0],a[1]);
  REP(i,n-1){
    ir = gcd(ir, a[i+1]);
    R.push_back(ir);
  }
  reverse(R.begin(), R.end());

  if(n == 3){　//多分n=3の場合のここにミスがある。あとでコーナーケースを探す。
    L.push_back(gcd(a[0],a[2]));
    R.push_back(gcd(a[0], a[2]));
    cout << max(*max_element(L.begin(), L.end()), *max_element(R.begin(), R.end()))<< endl;
    return 0;
  }
  
  int imax= 0;
  REP(i,n-4){
    if(imax < gcd(L[i],R[i+3])){
      imax =gcd(L[i],R[i+3]);
    }
  }
  
  cout << imax<< endl;
  
  return 0;
}


Compiler output:
a.cc:48:14: error: extended character 　 is not valid in an identifier
   48 |   if(n == 3){　//多分n=3の場合のここにミスがある。あとでコーナーケースを探す。
      |              ^
a.cc: In function 'int main()':
a.cc:48:14: error: '\U00003000' was not declared in this scope
   48 |   if(n == 3){　//多分n=3の場合のここにミスがある。あとでコーナーケースを探す。
      |              ^~
Language: C++

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

int gcd(int n,int m){
  if(m==0) return n;
  else return gcd(m,n%m)
}

int main(){
  int n;
  cin >> n;
  int a[n];
  for(int i=0;i<n;i++) cin >> a[i];
  int x[n],y[n];
  x[0]=a[0],y[n-1]=a[n-1];
  for(int i=1;i<n;i++){
    x[i]=gcd(x[i-1],a[i]);
  }
  for(int i=n-2;i>=0;i++){
    y[i]=gcd(y[i-1],a[i]);
  }
  int ans=0;
  ans=max({ans,x[n-2],y[1]});
  for(int i=1;i<n-1;i++){
    ans=max(ans,gcd(x[i-1],y[i+1]));
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int gcd(int, int)':
a.cc:7:25: error: expected ';' before '}' token
    7 |   else return gcd(m,n%m)
      |                         ^
      |                         ;
    8 | }
      | ~
Language: C++

#include <algorithm>
#include <climits>
#include <iostream>
#include <limits>
#include <map>
#include <numeric>
#include <string>
#include <type_traits>
#include <vector>
using namespace std;

long long int __gcd(int a, int b) {
  if (b == 0)
    return a;
  return __gcd(b, a % b);
}

long long int main(void) {
  long long int n;
  cin >> n;
  vector<long long int> a(n);
  for (long long int i = 0; i < n; i++) {
    cin >> a[i];
  }

  vector<long long int> g(n);
  long long int ans = a[n - 1];
  for (long long int i = 1; i < n; i++) {
    ans = __gcd(ans, a[n - i]);
    g[n - i] = ans;
  }
  g[0] = a[0];

  for (long long int i = 1; i < n - 1; i++) {
    long long int tmp = __gcd(g[0], g[i + 1]);
    if (tmp > ans) {
      ans = tmp;
    }
    g[0] = __gcd(g[0], a[i]);
  }

  if (n == 2) {
    ans = a[0] > a[1] ? a[0] : a[1];
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc:18:11: error: '::main' must return 'int'
   18 | long long int main(void) {
      |           ^~~
Language: C++

#include <iostream>

using namespace std;

int gcd(int x, int y)
{
  int small = min(x, y);
  int big = max(x, y);
  if(small == 0) return big;
  return gcd(small, big%small);
}

int main()
{
  int N;
  cin >> N;
  int A[N];
  for(int i = 0; i < N; i++){
    cin >> A[i];
  }

  int GCD[N];
  for(int i = 0; i < N; i++){
    int L = A[0];
    int R = A[N-1];
    if(i == 0) L = 0;
    for(int j = 0; j < i; j++){
      L = gcd(L, A[j]);
      //      cout << "L: " << L << "\n";
    }
    if(i == N-1) R = 0;
    for(int j = N-1; j > i; j--){
      R = gcd(A[j], R);
      //      cout << "R: " << R << "\n";
    }
    GCD[i] = gcd(L, R);
  }

  //  for(int i = 0; i < N; i++){
  //    cout << GCD[i] << "\n";
  //  }

  //  int max = *max_element(GCD, &GCD[N]);
  sort(GCD, &GCD[N]);
  int max = GCD[N-1];
  cout << max << "\n";

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:44:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   44 |   sort(GCD, &GCD[N]);
      |   ^~~~
      |   short
Language: C++

#include <iostream>

using namespace std;

int gcd(int x, int y)
{
  int small = min(x, y);
  int big = max(x, y);
  if(small == 0) return big;
  return gcd(small, big%small);
}

int main()
{
  int N;
  cin >> N;
  int A[N];
  for(int i = 0; i < N; i++){
    cin >> A[i];
  }

  int GCD[N];
  for(int i = 0; i < N; i++){
    int L = A[0];
    int R = A[N-1];
    if(i == 0) L = 0;
    for(int j = 0; j < i; j++){
      L = gcd(L, A[j]);
      //      cout << "L: " << L << "\n";
    }
    if(i == N-1) R = 0;
    for(int j = N-1; j > i; j--){
      R = gcd(A[j], R);
      //      cout << "R: " << R << "\n";
    }
    GCD[i] = gcd(L, R);
  }

  //  for(int i = 0; i < N; i++){
  //    cout << GCD[i] << "\n";
  //  }

  int max = *max_element(GCD, &GCD[N]);
  cout << max << "\n";

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:43:14: error: 'max_element' was not declared in this scope
   43 |   int max = *max_element(GCD, &GCD[N]);
      |              ^~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
#define be(v) (v).begin(),(v).end()
#define pb(q) push_back(q)
#define era(t) t.erase(unique(be(t)),t.end())
#define doublecout(a) cout<<fixed<<setprecision(10)<<a<<endl;
typedef long long ll;
using namespace std;
const ll mod=1000000007,mod9=1000000009;
template <class T>inline T lcm(T a,T b){return (a*b/__gcd(a,b));}

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll n;
    cin>>n;
    ll a[n],b[n+1];
    b[0]=0;
    for(int i=0;i<n;i++){
        cin>>a[i];
        b[i+1]=b[i]+a[i];
    }
    if(n==2){
        cout<<(__(a[0],a[1]))<<endl;
        return 0;
    }
    ll ans=0,num;
    for(int i=2;i<n;i++){
        if(ans<__gcd(b[n]-b[i],b[i-1]-b[0])){
            ans=__gcd(b[n]-b[i],b[i-1]-b[0]);
            num=i-1;
        }
        
    }
    ll g=a[1];
    for(int i=2;i<n;i++){
        g=__gcd(g,a[i]);
    }
    ans=g;
    g=a[0];
    for(int i=1;i<n-1;i++){
        g=__gcd(g,a[i]);
    }
    ans=max(ans,g);
    g=a[0];
    for(int i=0;i<n;i++){
        if(i!=num){
            g=__gcd(g,a[i]);
        }
    }
    ans=max(ans,g);
    cout<< ans<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:16: error: '__' was not declared in this scope
   23 |         cout<<(__(a[0],a[1]))<<endl;
      |                ^~
Language: C++

def gcd(a , b):
    r = a%b
    while r:
        a=b
        b=r
        r=a%b
    return b

N=int(input())
A=list(map(int,input().split()))
L=[0]*100000
R=[0]*100000
L[0]=A[0]
for i in range(N-1):
    L[i+1]=gcd(L[i],A[i+1])
R[N-1]=A[N-1]
for i in reversed(range(N-1)):
    R[i]=gcd(R[i+1],A[i])
Ans=max(L[N-2],R[1])
for i in range(1,N-1):
    Ans=max(Ans,gcd(L[i-1],R[i+1]))
print(Ans)

Compiler output:
a.cc:1:1: error: 'def' does not name a type
    1 | def gcd(a , b):
      | ^~~
Language: C++

#include <cstdio>
#define repi(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i,a) repi(i,0,a)
#define all(a) (a).begin(), (a).end()

using ll = long long;

ll N;
ll A[100010], L[100010], R[100010];

ll gcd( ll a, ll b )
{ return b ? gcd(b,a%b) : a; }

int main()
{
  scanf( "%lld", &N );
  rep( i, N )
    scanf( "%lld", A+i );

  rep( i, N )
    L[i+1] = gcd( L[i], A[i] );
  for( int i = N-1; i >= 0; --i )
    R[i-1] = gcd( R[i], A[i] );  

  ll ans = 0;

  rep( i, N )
    ans = std::max( ans, gcd( L[i], R[i] ) );

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

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:28:16: error: 'max' is not a member of 'std'
   28 |     ans = std::max( ans, gcd( L[i], R[i] ) );
      |                ^~~
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
using namespace std;
using ll = long long;

int gcd (ll a ,ll b){
    ll c;
    while (a>0) {
        c=a;
        a=b%a;
        b=c;
    }
    return c;
}
ll main(){
    ll b,c,d,e,k,n,o=1,p,q,x,y,z,max1=0,ans=1;
    string s,t,u;
    cin>>n;
    ll a[n],r[n],l[n];
    for (ll i=0; i<n; i++) {
        cin>>a[i];
    }
    l[0]=a[0];
    r[n-1]=a[n-1];
    for (ll i=1; i<n; i++) {
        l[i]=gcd(l[i-1],a[i]);
    }
    for (ll i=n-2; i>=0; i++) {
        r[i]=gcd(r[i+1],a[i]);
    }
    max1=r[1];
    for (ll i=1; i<n-1; i++) {
        max1=max(gcd(l[i-1],r[i+1]),max1);
    }
    max1=max(max1,l[n-2]);
    cout<<max1<<endl;
}






Compiler output:
a.cc:16:1: error: '::main' must return 'int'
   16 | ll main(){
      | ^~
a.cc: In function 'int main()':
a.cc:34:17: error: no matching function for call to 'max(int, ll&)'
   34 |         max1=max(gcd(l[i-1],r[i+1]),max1);
      |              ~~~^~~~~~~~~~~~~~~~~~~~~~~~~
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:34:17: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   34 |         max1=max(gcd(l[i-1],r[i+1]),max1);
      |              ~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/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:34:17: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   34 |         max1=max(gcd(l[i-1],r[i+1]),max1);
      |              ~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Language: C

#include<stdio.h>
int main(void)
{	
	int i,n,min=1000000000,kore,yaku,amari,work,a[100000]={};
	scanf("%d",&n);
	for(i=0;i<n;i++)
	{	
		scanf("%d",&a[i]);
	}
	if(a[0]>a[1])
	{	yaku=a[0];
		amari=a[1];
	}else
	{	yaku=a[1];
		amari=a[0];
	}
	for(i=1;i<n;i++)
	{	
		while(work=yaku%amari!=0)
		{	yaku/=amari;
			amari=work;
		}
		if(amari<min)
		{	min=amari;
			kore=i;
		}
		if(i<n-1&&amari>a[i+1])
		{	yaku=a[i+1];
		}else
		{	yaku=amari;
			amari=a[i+1];
		}
	}
	for(i=0;i<n;i++)
	{	
		scanf("%d",&a[i]);
	}
	if(kore>=2)
	{	if(a[0]>a[1])
		{	yaku=a[0];
			amari=a[1];
		}else
		{	yaku=a[1];
			amari=a[0];
		}
		for(i=1;i<n;i++)
		{	
			while(work=yaku%amari!=0)
			{	yaku/=amari;
				amari=work;
			}
			if(i+1==kore)continue;
			if(i<n-1&&amari>a[i+1])
			{	yaku=a[i+1];
			}else
			{	yaku=amari;
				amari=a[i+1];
			}
		}
		printf("%d\n",amari);
	}else
	{	if(a[n-1]>a[n-2])
		{	yaku=a[n-1];
			amari=a[n-2];
		}else
		{	yaku=a[n-2];
			amari=a[n-1];
		}
		for(i=n-1;i=>0;i++)
		{	
			while(work=yaku%amari!=0)
			{	yaku/=amari;
				amari=work;
			}
			if(i-1==kore)continue;
			if(i<n+1&&amari>a[i-1])
			{	yaku=a[i-1];
			}else
			{	yaku=amari;
				amari=a[i-1];
			}
		}
		printf("%d\n",amari);
	}
	return 0;
}


Compiler output:
main.c: In function 'main':
main.c:69:29: error: expected expression before '>' token
   69 |                 for(i=n-1;i=>0;i++)
      |                             ^
Language: C++

#include <iostream>
#include <algorithm>
#include <string>
using namespace std;
using ll = long long;

int gcd (ll a ,ll b){
    ll c;
    while (a>0) {
        c=a;
        a=b%a;
        b=c;
    }
    return c;
}
int main(){
    ll b,c,d,e,k,n,o=1,p,q,x,y,z,max1=0,ans=1;
    string s,t,u;
    cin>>n;
    ll a[n],r[n],l[n];
    for (ll i=0; i<n; i++) {
        cin>>a[i];
    }
    l[0]=a[0];
    r[n-1]=a[n-1];
    for (ll i=1; i<n; i++) {
        l[i]=gcd(l[i-1],a[i]);
    }
    for (ll i=n-2; i>=0; i++) {
        r[i]=gcd(r[i+1],a[i]);
    }
    max1=r[1];
    for (ll i=1; i<n-1; i++) {
        max1=max(gcd(l[i-1],r[i+1]),max1);
    }
    max1=max(max1,l[n-2]);
    cout<<max1<<endl;
}






Compiler output:
a.cc: In function 'int main()':
a.cc:34:17: error: no matching function for call to 'max(int, ll&)'
   34 |         max1=max(gcd(l[i-1],r[i+1]),max1);
      |              ~~~^~~~~~~~~~~~~~~~~~~~~~~~~
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:34:17: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   34 |         max1=max(gcd(l[i-1],r[i+1]),max1);
      |              ~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/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:34:17: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   34 |         max1=max(gcd(l[i-1],r[i+1]),max1);
      |              ~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define mod 1000000007
using ll = long long;


bool C(int x, vector<int>v){
int flag = 0;
for(int i=0; i<v.size(); i++){
if(v[i] % x != 0) flag++;
if(flag>1) return false; 
}
return true;
}

int main() {
int N;
cin >> N;
vector<int>A(N);
for(int i=0; i<N; i++){
    cin >> A[i];
}

int lb=1, ub = 1000000001;
    while( ub-lb > 1 ){
        int mid = (lb + ub) / 2;
        if (C(mid, A)) {
            lb = mid;
        } else {
            ub = mid;
        }

cout << lb;
return 0;
}

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++

#include <bits/stdc++.h>
using namespace std;
#define mod 1000000007
using ll = long long;


bool C(int x, vector<int>v){
int flag = 0;
for(int i=0; i<v.size(), i++){
if(v[i] % x != 0) flag++;
if(flag>1) return false; 
}
return true;
}

int main() {
int N;
cin >> N;
vector<int>A(N);
for(int i=0; i<N; i++){
cin >> A[i];
}

int lb=1, ub = 1000000001;
    while( ub-lb > 1 ){
        int mid = (lb + ub) / 2;
        if (C(mid, A)) {
            lb = mid;
        } else {
            ub = mid;
        }

cout << lb;
return 0;
}

Compiler output:
a.cc: In function 'bool C(int, std::vector<int>)':
a.cc:9:29: error: expected ';' before ')' token
    9 | for(int i=0; i<v.size(), i++){
      |                             ^
      |                             ;
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: Java

import java.util.*;
import java.io.*;
 
public class Main{
    public static int gj(int a,int b){
        if(a%b==0)return b;
        return gj(b,a%b);
    }
    public static void sort(int data[],int n){
        int mininum,memory;
        for(int i=0;i<n-1;i++){
            mininum=data[i];
            memory=i;
            for(int j=i+1;j<n;j++){
                if(data[j]<mininum){
                    mininum=data[j];
                    memory=j;
                }
            }
            data[memory]=data[i];
            data[i]=mininum;
        }
    }
 
    public static void main(String[] args)throws IOException{
        Scanner sc=new Scanner(System.in);
        int n=sc.nextInt();
        int[] ary=new int[n];
        for(int i=0;i<n;i++)ary[i]=sc.nextInt();
        sc.close();
        int gt=1,a=1,count;
        sort(ary,n);
        for(int i=0;i<2;i++){
            for(int j=0;j<n;j++){
                count=0;
                if(j!=i){
                    a=gj(Math.min(ary[i],ary[j]),Math.max(ary[i],ary[j]));
                    for(int k=0;k<n;k++){
                        if(k!=i&&k!=j){
                            if(ary[k]%a!=0){
                                count++;
                                if(count>1)break;
                            }
                        }
                    }
                }
                if(count<=1&&a>gt)gt=a;
            }
        }
        System.out.println(gt+"\n");
    }
}
mport java.util.*;
import java.io.*;

public class Main{
    public static int gj(int a,int b){
        if(a%b==0)return b;
        return gj(b,a%b);
    }
    public static void sort(int data[],int n){
        int mininum,memory;
        for(int i=0;i<n-1;i++){
            mininum=data[i];
            memory=i;
            for(int j=i+1;j<n;j++){
                if(data[j]<mininum){
                    mininum=data[j];
                    memory=j;
                }
            }
            data[memory]=data[i];
            data[i]=mininum;
        }
    }

    public static void main(String[] args)throws IOException{
        Scanner sc=new Scanner(System.in);
        int n=sc.nextInt();
        int[] ary=new int[n];
        for(int i=0;i<n;i++)ary[i]=sc.nextInt();
        sc.close();
        int gt=1,a=1,count;
        sort(ary,n);
        for(int i=0;i<2;i++){
            for(int j=0;j<n;j++){
                count=0;
                if(j!=i){
                    a=gj(Math.min(ary[i],ary[j]),Math.max(ary[i],ary[j]));
                    for(int k=0;k<n;k++){
                        if(k!=i&&k!=j){
                            if(ary[k]%a!=0){
                                count++;
                                if(count>1)break;
                            }
                        }
                    }
                }
                if(count<=1&&a>gt)gt=a;
            }
        }
        System.out.println(gt+"\n");
    }
}

Compiler output:
Main.java:53: error: class, interface, enum, or record expected
mport java.util.*;
^
Main.java:54: error: class, interface, enum, or record expected
import java.io.*;
^
2 errors
Language: Java

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

public class Main{
    public static int gj(int a,int b){
        if(a%b==0)return b;
        return gj(b,a%b);
    }
    public static void sort(int data[],int n){
        int mininum,memory;
        for(int i=0;i<n-1;i++){
            mininum=data[i];
            memory=i;
            for(int j=i+1;j<n;j++){
                if(data[j]<mininum){
                    mininum=data[j];
                    memory=j;
                }
            }
            data[memory]=data[i];
            data[i]=mininum;
        }
    }

    public static void main(String[] args)throws IOException{
        Scanner sc=new Scanner(System.in);
        int n=sc.nextInt();
        int[] ary=new int[n];
        for(int i=0;i<n;i++)ary[i]=sc.nextInt();
        sc.close();
        int gt=1,a=1,count;
        sort(ary,n);
        for(int i=0;i<2;i++){
            for(int j=0;j<n;j++){
                count=0;
                if(j!=i){
                    a=gj(Math.min(ary[i],ary[j]),Math.max(ary[i],ary[j]));
                    for(int k=0;k<n;k++){
                        if(k!=i&&k!=j){
                            if(ary[k]%a!=0){
                                count++;
                                if(count>1)break;
                            }
                        }
                    }
                }
                if(count<=1&&a>gt)gt=a;
            }
        }
        System.out.println(gt+"\n");
    }
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
mport java.util.*;
^
Main.java:2: error: class, interface, enum, or record expected
import java.io.*;
^
2 errors