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

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

int hantei(string a,string b,int kaisuuA,int kaisuuB){
	string aa,bb;
	for(int i=0;i<kaisuu;i++){
		aa=a+aa;
	}
	for(int i=0;i<kaisuu;i++){
		bb=b+bb;
	}
	if(aa==bb){
		return kaisuuA*kaisuuB;
	}else{
		return -1;
	}
}


//x<yとする
int mod(int x,int y){
	if(x>y){
		mod(y,x);
	}else if(y%x==0){
		return x;
	}else{
		mod(y%x,x);
	}
}

main(){
	int x,y;
	string a,b;
	cin >> x >> y;
	cin >> a;
	cin >> b;

	int mod_ans;
	mod_ans=mod(x,y);

	cout << hantei(a,b,x/mod_ans,y/mod_ans) << endl;

}


Compiler output:
a.cc: In function 'int hantei(std::string, std::string, int, int)':
a.cc:7:23: error: 'kaisuu' was not declared in this scope; did you mean 'kaisuuA'?
    7 |         for(int i=0;i<kaisuu;i++){
      |                       ^~~~~~
      |                       kaisuuA
a.cc:10:23: error: 'kaisuu' was not declared in this scope; did you mean 'kaisuuA'?
   10 |         for(int i=0;i<kaisuu;i++){
      |                       ^~~~~~
      |                       kaisuuA
a.cc: At global scope:
a.cc:32:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   32 | main(){
      | ^~~~
a.cc: In function 'int mod(int, int)':
a.cc:30:1: warning: control reaches end of non-void function [-Wreturn-type]
   30 | }
      | ^
Language: C++

#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = (a); i < (b); ++i)
#define REP(i, n) FOR(i, 0, n)
#define EACH(i, c) for (typeof((c).begin()) i = (c).begin(); i != (c).end(); ++i)
#define EXIST(s, e) ((s).find(e) != (s).end())
#define SORT(c) sort((c).begin(), (c).end())
#define dump(x) cerr << #x << " = " << (x) << endl;
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" \
                      << " " << __FILE__ << endl;
#define ALL(a) (a).begin(), (a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define MP make_pair
#define SZ(a) int((a).size())

using namespace std;


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

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


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

    int n, m;
    string s, t;
    cin >> n >> m >> s >> t;
    int lcm = lcm(n, m);
    string x;
    bool is_Good = s[0]==t[0];
    if(!is_Good){
        cout << -1;
        return 0;
    }

    REP(_,lcm){
        x += "_";
    }
    x[0] = s[0];
    for (int i=1;i<=n-1;i++){
        x[i*lcm/n] = s[i];
    }
    for (int i=1;i<=m-1;i++){
        if (x[i*lcm/m] != '_' && x[i*lcm/m] != t[i]){
            cout << -1;
            dump(i)
            dump(i*lcm/m)
            dump(x[i*lcm/m])
            dump(t[i])

            return 0;
        }
    }

    cout << lcm;
    return 0;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:43:18: error: 'lcm' cannot be used as a function
   43 |     int lcm = lcm(n, m);
      |               ~~~^~~~~~
Language: C++

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

using namespace std;

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

int lcm(int a,int b){
 int temp = gcd(a,b);
 return temp ? (a/temp*b):0;
}
int main(){

    int N,M;cin >> N >> M;
    int L=0;
    int GCD = gcd(N,M);
    int LCM = lcm(N,M);
    int count=0;
    vector<int> a;
    vector<int> b;
    string A,B;
    cin >> A >> B;

    
    if(GCD == 1 && A[0]==B[0])L = M*N;
    else if(GCD !=1 && A[0]==B[0]){
        for(int  i =1; i < A.size();i++){
            for(int j = 1; j < B.size(); j ++){
                if (A[i] == B [j]){ count++; a.push_back(i);b.push_back(j);break;}
            }
        }
        int amari = (N+M-count-1)%lcm;
        int shou = (N+M-count-1)/lcm;
        if(amari == 0) L = shou;
        else L = shou + 1;

    } 
    else if(A[0] != B[0]) L = -1;


    cout << L;

    return 0;

} 

Compiler output:
a.cc: In function 'int main()':
a.cc:36:34: error: invalid operands of types 'int' and 'int(int, int)' to binary 'operator%'
   36 |         int amari = (N+M-count-1)%lcm;
      |                     ~~~~~~~~~~~~~^~~~
      |                               |   |
      |                               int int(int, int)
a.cc:37:33: error: invalid operands of types 'int' and 'int(int, int)' to binary 'operator/'
   37 |         int shou = (N+M-count-1)/lcm;
      |                    ~~~~~~~~~~~~~^~~~
      |                              |   |
      |                              int int(int, int)
Language: C++

#include<stdio.h>
#include<string.h>
char a[100005];
char b[100005];
int gcd(int x,int y){
	return y==0?x:gcd(y,x%y);
}
int main ()
{
	int n,m;
	scanf("%d %d",&n,&m);
	getchar();
	gets(a);
	gets(b);
	if(n%m==0||m%n==0){
		printf("-1\n");
	}
	else{
		printf("%d",n*m/gcd(n,m));
	}
return 0;
 } 

Compiler output:
a.cc: In function 'int main()':
a.cc:13:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   13 |         gets(a);
      |         ^~~~
      |         getw
Language: C++

#include<stdio.h>
#include<string.h>
char a[100005];
char b[100005];
int gcd(int x,int y){
	return y==0?x:gcd(y,x%y);
}
int main ()
{
	int n,m;
	scanf("%d %d",&n,&m);
	getchar();
	gets(a);
	gets(b);
	if(n%m==0||m%n==0){
		printf("-1\n");
	}
	else{
		printf("%d",n*m/gcd(n,m));
	}
 } 

Compiler output:
a.cc: In function 'int main()':
a.cc:13:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   13 |         gets(a);
      |         ^~~~
      |         getw
Language: C++

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

int gcd(int m, int n)
{
	if ((0 == m) || (0 == n))
		return 0;

	while (m != n)
	{
		if (m > n) m = m - n;
		else         n = n - m;
	}
	return m;
}

int lcm(int m, int n)
{

	if ((0 == m) || (0 == n))
		return 0;

	return ((m / gcd(m, n)) * n);
}

int main() {
	int N,M;
	string S, T;
	cin >> N >> M;
	cin >> S >> T;

	int lcmVal = lcm(M, N);

	int ans = lcmVal;
	int chackBase = N;
	int checkLen = S.length;
	if (M > N) {
		chackBase = M;
		checkLen = T.length();
	}
	for (int i = 0; i / chackBase<checkLen; i += lcmVal) {
		if (S[i / M] != T[i / N]) {
			ans = -1;
			break;
		}
	}

	cout << ans;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:26: error: cannot convert 'std::__cxx11::basic_string<char>::length' from type 'std::__cxx11::basic_string<char>::size_type (std::__cxx11::basic_string<char>::)() const noexcept' {aka 'long unsigned int (std::__cxx11::basic_string<char>::)() const noexcept'} to type 'int'
   41 |         int checkLen = S.length;
      |                          ^~~~~~
Language: C++

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

int atcGrand028(int N,int M,string S,string T)
{
	if (S[0] != T[0])return -1;
	int i, j,min=INT_MAX;
	for(i=0;i<=N;i++)
		for (j = 0; j <=M; j++)
		{
			if ((i*M == j*N)&&(min>i*M)&&i!=0)
				if(S[i] == T[j])
				min = i * M;
				else return -1;
		}
		return min;
}
int main()
{
	int N,M;
	string S, T;
	cin >>N;
	cin >> M;
	cin >> S;
	cin >> T;
	return atcGrand028(N,M,S,T);
	system("pause");
}

Compiler output:
a.cc: In function 'int atcGrand028(int, int, std::string, std::string)':
a.cc:9:22: error: 'INT_MAX' was not declared in this scope
    9 |         int i, j,min=INT_MAX;
      |                      ^~~~~~~
a.cc:3:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    2 | #include<vector>
  +++ |+#include <climits>
    3 | #include<string>
Language: C

#include<iostream>
#include<vector>
#include<stdlib.h>
#include<time.h>
#include<math.h>
#include<string.h>
#include<algorithm>
#include<queue>
using namespace std;

int gcd(int n,int m){
    int temp;
	while (m % n != 0)
	{
		temp = n;
		n = m % n;
		m = temp;
	}
	return n;

}

int main(void){
 int N,M,tmp,k,l;
 long long int lcm=0;
 int ok=1;
 char s[300000];
 char t[300000];
 
 cin>>N>>M;
 cin>>s>>t;

 if(N>M){
   tmp=N;
   N=M;
   M=tmp;
 }
 
 lcm=(long long int)N*M/gcd(N,M);
 vector<int> A(lcm+2,-1);

 for(int i=0; i<strlen(s); i++){
  A[1+(i*lcm/strlen(s))]=s[i]-'a';
 }

 for(int i=0; i<strlen(t); i++){
   k=t[i]-'a';
   l=1+(i*lcm/strlen(t));
   if(A[l]==-1)A[l]=k;
   else{
    if(A[l]!=k){
	 ok=0;
	 break;
	}
   }
 }

 if(ok)std::cout<<lcm<<std::endl;
 else std::cout<<"-1"<<std::endl;
 return 0;
}

Compiler output:
main.c:1:9: fatal error: iostream: No such file or directory
    1 | #include<iostream>
      |         ^~~~~~~~~~
compilation terminated.
Language: Java

class Main{
	public static void main(String[] args){
      int N;
      int M;
      int t = 0;
  if (N == M){
  System.out.println(N);
}
	if (N%M == 0){
  		System.out.println(-1);
	}
		else if(M%N == 0){
        	System.out.println(-1);
    	}		
			else if (N > M){
             // int t;
				while ((N%M) != 0)
              	{
              		t = N%M;
                  	N = M;
                  	M = t;
                } 
              	System.out.println(N*M/t);
        	}
				else {
                  while ((M%N) != 0)
              		{
              			t = M%N;
                  		M = N;
                  		N = t;
                	} 
              	System.out.println(N*M/t);
                }
	}
}

Compiler output:
Main.java:6: error: variable N might not have been initialized
  if (N == M){
      ^
Main.java:6: error: variable M might not have been initialized
  if (N == M){
           ^
2 errors
Language: C++

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

int gcd(int m, int n)
{
	if ((0 == m) || (0 == n))
		return 0;

	while (m != n)
	{
		if (m > n) m = m - n;
		else         n = n - m;
	}
	return m;
}

int lcm(int m, int n)
{

	if ((0 == m) || (0 == n))
		return 0;

	return ((m / gcd(m, n)) * n);
}

int main() {
	int N,M;
	string S, T;
	cin >> N >> M;
	cin >> S >> T;

	int lcmVal = lcm(M, N);

	int ans = lcmVal;
	int chackBase = M;
	int checkLen = S.length;
	if (M < N) {
		chackBase = N;
		checkLen = T.length;
	}
	for (int i = 0; i / chackBase<checkLen; i += lcmVal) {
		if (S[i / M] != T[i / N]) {
			ans = -1;
			break;
		}
	}

	cout << ans;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:26: error: cannot convert 'std::__cxx11::basic_string<char>::length' from type 'std::__cxx11::basic_string<char>::size_type (std::__cxx11::basic_string<char>::)() const noexcept' {aka 'long unsigned int (std::__cxx11::basic_string<char>::)() const noexcept'} to type 'int'
   41 |         int checkLen = S.length;
      |                          ^~~~~~
a.cc:44:30: error: cannot convert 'std::__cxx11::basic_string<char>::length' from type 'std::__cxx11::basic_string<char>::size_type (std::__cxx11::basic_string<char>::)() const noexcept' {aka 'long unsigned int (std::__cxx11::basic_string<char>::)() const noexcept'} to type 'int'
   44 |                 checkLen = T.length;
      |                              ^~~~~~
Language: Java

class Main{
	public static void main(String[] args){
      int N;
      int M;
      int t;
  if (N == M){
  System.out.println(N);
}
	if (N%M == 0){
  		System.out.println(-1);
	}
		else if(M%N == 0){
        	System.out.println(-1);
    	}		
			else if (N > M){
             // int t;
				while ((N%M) != 0)
              	{
              		t = N%M;
                  	N = M;
                  	M = t;
                } 
              	System.out.println(N*M/t);
        	}
				else {
                  while ((M%N) != 0)
              		{
              			t = M%N;
                  		M = N;
                  		N = t;
                	} 
              	System.out.println(N*M/t);
                }
	}
}

Compiler output:
Main.java:6: error: variable N might not have been initialized
  if (N == M){
      ^
Main.java:6: error: variable M might not have been initialized
  if (N == M){
           ^
Main.java:23: error: variable t might not have been initialized
              	System.out.println(N*M/t);
              	                       ^
Main.java:32: error: variable t might not have been initialized
              	System.out.println(N*M/t);
              	                       ^
4 errors
Language: C

#include<iostream>
#include<vector>
#include<stdlib.h>
#include<time.h>
#include<math.h>
#include<string.h>
#include<algorithm>
#include<queue>
using namespace std;

int gcd(int n,int m){
    int temp;
	while (m % n != 0)
	{
		temp = n;
		n = m % n;
		m = temp;
	}
	return n;

}

int main(void){
 int N,M,tmp,k,l;
 long long int lcm=0;
 int ok=1;
 char s[2000000];
 char t[2000000];
 
 cin>>N>>M;
 cin>>s>>t;

 if(N>M){
   tmp=N;
   N=M;
   M=tmp;
 }
 
 lcm=(long long int)N*M/gcd(N,M);
 vector<int> A(lcm+2,-1);
 for(int i=0; i<strlen(s); i++){
  A[1+(i*lcm/strlen(s))]=s[i]-'a';
 }

 for(int i=0; i<strlen(t); i++){
   k=t[i]-'a';
   l=1+(i*lcm/strlen(t));
   if(A[l]==-1)A[l]=k;
   else{
    if(A[l]!=k){
	 ok=0;
	 break;
	}
   }
 }

 if(ok)std::cout<<lcm<<std::endl;
 else std::cout<<"-1"<<std::endl;
 return 0;

Compiler output:
main.c:1:9: fatal error: iostream: No such file or directory
    1 | #include<iostream>
      |         ^~~~~~~~~~
compilation terminated.
Language: Java

class Main{
	public static void main(String[] args){
      int N;
      int M;
  if (N == M){
  System.out.println(N);
}
	if (N%M == 0){
  		System.out.println(-1);
	}
		else if(M%N == 0){
        	System.out.println(-1);
    	}		
			else if (N > M){
              int t;
				while ((N%M) != 0)
              	{
              		t = N%M;
                  	N = M;
                  	M = t;
                } 
              	System.out.println(N*M/t);
        	}
				else {
                  while ((M%N) != 0)
              		{
              			t = M%N;
                  		M = N;
                  		N = t;
                	} 
              	System.out.println(N*M/t);
                }
	}
}

Compiler output:
Main.java:27: error: cannot find symbol
              			t = M%N;
              			^
  symbol:   variable t
  location: class Main
Main.java:29: error: cannot find symbol
                  		N = t;
                  		    ^
  symbol:   variable t
  location: class Main
Main.java:31: error: cannot find symbol
              	System.out.println(N*M/t);
              	                       ^
  symbol:   variable t
  location: class Main
3 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
  int gcd(int m, int n){
    int Max=max(m,n);
    int Min=min(m,n);
    while(Max-Min!=Min){
      Max=max(Min,Max-Min);
      Min=min(Min,Max-Min);}
    return Min;
  }
int lcm(int m, int n){return m*n/gcd(m,n);}
 
 
int main() {
  int N,M;
  cin >> N >> M;
  string S,T;
  cin >> S >> T;
 
  
  int a=lcm(N,M); //最小公倍数
  int b=gcd(N,M); //最大公約数
  int s=N/b;
  int t=M/b;
  int ans=a;
  for(int i=0;i<;i++){
    if(S[1+s*i]!=T[1+t*i]){ans=-1;}
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:17: error: expected primary-expression before ';' token
   27 |   for(int i=0;i<;i++){
      |                 ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
  int gcd(int m, int n){
    int Max=max(m,n);
    int Min=min(m,n);
    while(Max-Min!=Min){
      Max=max(Min,Max-Min);
      Min=min(min,Max-Min);}
    return Min;
  }
int lcm(int m, int n){return m*n/gcd(m,n);}
 
 
int main() {
  int N,M;
  cin >> N >> M;
  string S,T;
  cin >> S >> T;
 
  
  int a=lcm(N,M); //最小公倍数
  int b=gcd(N,M); //最大公約数
  int s=N/b;
  int t=M/b;
  int ans=a;
  for(int i=0;i<;i++){
    if(S[1+s*i]!=T[1+t*i]){ans=-1;}
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int gcd(int, int)':
a.cc:9:14: error: no matching function for call to 'min(<unresolved overloaded function type>, int)'
    9 |       Min=min(min,Max-Min);}
      |           ~~~^~~~~~~~~~~~~
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:233:5: note: candidate: 'constexpr const _Tp& std::min(const _Tp&, const _Tp&) [with _Tp = int]'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:20: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'const int&'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |         ~~~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: 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:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:9:14: note:   couldn't deduce template parameter '_Tp'
    9 |       Min=min(min,Max-Min);}
      |           ~~~^~~~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:27:17: error: expected primary-expression before ';' token
   27 |   for(int i=0;i<;i++){
      |                 ^
Language: Java

class Main{
	public static void main(String[] args){
  if (N == M){
  System.out.println(N);
}
	if (N%M == 0){
  		System.out.println(-1);
	}
		else if(M%N == 0){
        	System.out.println(-1);
    	}		
			else if(N > M){
              int t;
				while ((N%M) != 0)
              	{
              		t = N%M;
                  	N = M;
                  	M = t;
                } 
              	System.out.println(N*M/t);
        	}
				else (N < M){
                  while ((M%N) != 0)
              		{
              			t = M%N;
                  		M = N;
                  		N = t;
                	} 
              	System.out.println(N*M/t);
                }
	}
}

Compiler output:
Main.java:22: error: not a statement
				else (N < M){
				     ^
Main.java:22: error: ';' expected
				else (N < M){
				            ^
2 errors
Language: Java

class Main{
	public static void main(String[] args){
  if (N == M){
  System.out.println(N);
}
	if (N%M == 0){
  		System.out.println(-1);
	}
		else if(M%N == 0){
        	System.out.println(-1);
    	}		
			else if (N > M){
              int t;
				while ((N%M) != 0)
              	{
              		t = N%M;
                  	N = M;
                  	M = t;
                } 
              	System.out.println(N*M/t);
        	}
				else (N < M){
                  while ((M%N) != 0)
              		{
              			t = M%N;
                  		M = N;
                  		N = t;
                	} 
              	System.out.println(N*M/t);
                }
	}
}

Compiler output:
Main.java:22: error: not a statement
				else (N < M){
				     ^
Main.java:22: error: ';' expected
				else (N < M){
				            ^
2 errors
Language: C++

#include <iostream>
#include <cctype>
#include <algorithm>
#include <vector>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <utility>
#include <string>
#include <functional>
#include <cctype>
#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <iomanip>
#include <bitset>
#define pb push_back
#define mp make_pair
#define YES cout<<"YES"<<endl
#define Yes cout<<"Yes"<<endl
#define NO cout<<"NO"<<endl
#define No cout<<"No"<<endl
#define INF (1<<30)
#define LLINF (1<<60)
#define MOD 1000000007
#define rep(i, n) for(int i=0;i<n;i++)
using ll = long long;
using namespace std;

ll gcm(ll n, ll m) {
    if (n < m)swap(n, m);
    ll r = n % m;
    while (r != 0) {
        n = m;
        m = r;
        r = n % m;
    }
    return m;
}

ll lcm(ll n, ll m) {
    ll x = n * m;
    ll t=gcm(n, m);
    return x / t;
}

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

    ll n, m;
    string s, t;
    cin >> n >> m >> s >> t;
    if (n < m) {
        swap(n, m);
        swap(s, t);
    }
    if (n == m) {
        if (s == t)cout << n << endl;
        else cout << "-1" << endl;
    }
    else if (n%m == 0) {
        bool flag = true;
        for (ll i = 0; i < m; i++) {
            if (s[0 + i * (n / m)] != t[0 + i]) {
                cout << "-1" << endl;
                flag = false;
                break;
            }
        }
        if(flag) cout << n << endl;
    }
    else {
        ll ncycle = lcm(n, m) / n;
        ll mcycle = lcm(n, m) / m;
        ll cyclelcm = lcm(ncycle, mcycle);
        ll LCM = lcm(n, m);
        bool flag = true;
        for (ll i = 0; i < LCM / cyclelcm; i++) {
            if (s[0 + i * mcycle] != t[0 + i * ncycle]) {
                cout << "-1" << endl;
                flag = false;
                break;
            }
        }
        if (flag) cout << LCM << endl;
    }
    return 0;
}


Compiler output:
a.cc:49:1: error: '::main' must return 'int'
   49 | ll main() {
      | ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
  int gcd(int m, int n){
    int max=max(m,n);
    int min=min(m,n);
    while(max-min!=min){
      max=max(min,max-min);
      min=min(min,max-min);}
    return min;
  }
int lcm(int m, int n){return m*n/gcd(m,n);}


int main() {
  int N,M;
  cin >> N >> M;
  string S,T;
  cin >> S >> T;

  
  int a=lcm(N,M); //最小公倍数
  int b=gcd(N,M); //最大公約数
  int s=N/b;
  int t=M/b;
  int ans=a;
  for(int i=0;i<;i++){
    if(S[1+s*i]!=T[1+t*i]){ans=-1;}
  }
  cout << ans << endl;
}
  

Compiler output:
a.cc: In function 'int gcd(int, int)':
a.cc:5:16: error: 'max' cannot be used as a function
    5 |     int max=max(m,n);
      |             ~~~^~~~~
a.cc:6:16: error: 'min' cannot be used as a function
    6 |     int min=min(m,n);
      |             ~~~^~~~~
a.cc:8:14: error: 'max' cannot be used as a function
    8 |       max=max(min,max-min);
      |           ~~~^~~~~~~~~~~~~
a.cc:9:14: error: 'min' cannot be used as a function
    9 |       min=min(min,max-min);}
      |           ~~~^~~~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:27:17: error: expected primary-expression before ';' token
   27 |   for(int i=0;i<;i++){
      |                 ^
Language: C++

#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cmath>
#include<cctype>
#include<math.h>
#include<string>
#include<string.h>
#include<stack>
#include<queue>
#include<vector>
#include<utility>
#include<set>
#include<map>
#include<stdlib.h>
#include<iomanip>

using namespace std;

#define ll long long
#define ld long double
#define EPS 0.0000000001
#define INF 1e9
#define MOD 1000000007
#define rep(i,n) for(i=0;i<(n);i++)
#define loop(i,a,n) for(i=a;i<(n);i++)
#define all(in) in.begin(),in.end()
#define shosu(x) fixed<<setprecision(x)
#define int ll
typedef vector<int> vi;
typedef vector<string> vs;
typedef pair<int,int> pii;

signed gcd(int a, int b){
    if(a<b)swap(a,b);
    if(a%b == 0) return b;
    return gcd(b,a%b);
}
int main(void) {
    int i,j;
    int n, m;
    cin >> n >> m;
    string s, t;
    cin >> s;
    cin >> t;
    if(s[0] != t[0]){
        cout << -1 << endl;
        return 0;
    }
    int g = gcd(n,m);
    int l = n * m / g;
    map<int,char> ma;
    rep(i,n){
        ma[1+i*l/n]=s[i];
    }
    rep(i,m){
        char c = ma[1+i*l/m];
        if('a' <= c && c <= 'z' && c != t[i]){
            cout << -1 << endl;
            return 0;
        }
        ma[1+i*l/m] = t[i];
    }
    cout << l << endl;
}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: Java

class Main{
	public static void main(String[] args){
  if (N == M){
  System.out.println(N);
}
	if (N%M == 0){
  		System.out.println(-1);
	}
		else if(M%N == 0){
        	System.out.println(-1);
    	}		
			else if (N > M){
              int t;
				while ((N%M) != 0)
              	do{
              		t = N%M;
                  	N = M;
                  	M = t;
                } 
              	System.out.println(N*M/t);
        	}
				else (N < M){
                  while ((M%N) != 0)
              		do{
              			t = M%N;
                  		M = N;
                  		N = t;
                	} 
              	System.out.println(N*M/t);
                }
	}
}

Compiler output:
Main.java:19: error: while expected
                } 
                 ^
Main.java:20: error: ')' expected
              	System.out.println(N*M/t);
              	                         ^
Main.java:22: error: not a statement
				else (N < M){
				     ^
Main.java:22: error: ';' expected
				else (N < M){
				            ^
Main.java:28: error: while expected
                	} 
                	 ^
Main.java:29: error: ')' expected
              	System.out.println(N*M/t);
              	                         ^
6 errors
Language: C++

/**
 * @author torith
 * @date 2018-10-13
 */

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

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

ll lcm(ll a, ll b){
    return (a * b / gcd(a, b));
}


ll main(){

    cin.tie(0);
    ios::sync_with_stdio(false);
    ll N,M;
    cin >> N >> M;
    char S[100000],T[100000];
    for (ll i = 0; i < N; ++i) {
        cin >> S[i];
    }
    for (ll i = 0; i < M; ++i) {
        cin >> T[i];
    }
    ll L = lcm(N,M);

    ll a = lcm(L/N,L/M);
    ll i = 1;
    while (i <= L){
        if (S[(i-1)/(L/N)] != T[(i-1)/(L/M)]){
            cout << "-1" << "\n";
            return 0;
        }
        i += a;
    }

    cout << L << "\n";

    return 0;
}



Compiler output:
a.cc:22:1: error: '::main' must return 'int'
   22 | ll main(){
      | ^~
Language: C++

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

#define int long long

#define rep(i,s,n) for(int i = s;i<n;i++)
#define repe(i,s,n) for(int i = s;i<=n;i++)
#define rrep(i,s,n) for(int i = (n)-1;i>=(s);i--)
#define all(v) (v).begin(),(v).end()
#define pb push_back
#define fi first
#define se second
typedef long long ll;
typedef pair<int,int>pint;
typedef vector<int>vint;
typedef vector<pint>vpint;
typedef pair<pint,int> P1;
typedef pair<int,pint> P2;
static const ll maxLL = (ll)1 << 62;
const ll MOD=1000000007;
const ll INF=1e18;
int dy[]={-1,0,1,0};
int dx[]={0,1,0,-1};
ll gcd(ll x,ll y)
{
	if(x==0) return y;
	return gcd(y%x,x);
}
int lcm(int x, int y)
{
    if(x == 0 || y == 0)  // 引数チェック
    {
        fprintf(stderr, "引数エラーです。\n");
        return 0;
    }

    return (x * y / gcd(x, y));
}
int n,m;
string s,t;

signed main(){
    cin.tie(0);
	ios::sync_with_stdio(false);
    cin>>n>>m>>s>>t;
    
    int x=lcm(n,m);
    
    int xn=x/n;
    int xm=x/m;
    int cntn=1;
    int cntm=1;
    
    int y=lcm(xn,xm);
    if(y>=max(n,m)){
        cout<<x<<endl;
        return 0;
    }
    int yn,ym;
    if(n>m){
        yn=y;
        ym=y/(n/m);
    }else{
        yn=y/(m/n);
        ym=y;
    }
    rep(i,0,min(n,m){
        if(s[1+yn*i]!=t[1+ym*i]){
            cout<<"-1"<<endl;
            return 0;
        }
    }
    cout<<x<<endl;
    
    
    
    
    
    
    
    
    
    
    
    
    
    return 0;
}

Compiler output:
a.cc:88:2: error: unterminated argument list invoking macro "rep"
   88 | }
      |  ^
a.cc: In function 'int main()':
a.cc:67:5: error: 'rep' was not declared in this scope
   67 |     rep(i,0,min(n,m){
      |     ^~~
a.cc:67:8: error: expected '}' at end of input
   67 |     rep(i,0,min(n,m){
      |        ^
a.cc:42:14: note: to match this '{'
   42 | signed main(){
      |              ^
Language: C++

#include <bits/stdc++.h>
#define repd(i,a,b) for (int i=(a);i<(b);i++)
#define rep(i,n) repd(i,0,n)
typedef long long ll;
using namespace std;
const int MOD = 1000000007;
const int INF = 1010000000;
const double EPS = 1e-10;

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

int lcm(int a,int b){
  return a*b/gcd(a,b);
}

int main(){
  int n,m;
  string s,t;
  cin >> n >> m >> s >> t;
  int l = lcm(n,m);
  bool can = s[0] == t[0];
  if(a==l){
    int a = max(n,m), b = min(n,m);
    string c = (n==a?s:t), d = (m==b?t:s);
    bool flag = true;
    for(int i=0;a/b*i+1<=a;i++){
      if(c[a/b*i] != d[i]){
        flag = false;
        break;
      }
    }
    can = ((can&&flag)?true:false);
  }
  l = (can?l:-1);
  cout << l << endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:25:6: error: 'a' was not declared in this scope
   25 |   if(a==l){
      |      ^
a.cc:26:9: error: redeclaration of 'int a'
   26 |     int a = max(n,m), b = min(n,m);
      |         ^
a.cc:25:6: note: '<typeprefixerror>a' previously declared here
   25 |   if(a==l){
      |      ^
Language: Java

class Main.java{
	public static void main(String[] args){
  if (N == M){
  System.out.println(N);
}
	if (N%M == 0){
  		System.out.println(-1);
	}
		else if(M%N == 0){
        	System.out.println(-1);
    	}		
			else if (N > M){
              int t;
				while ((N%M) != 0)
              	do{
              		t = N%M;
                  	N = M;
                  	M = t;
                } 
              	System.out.println(N*M/t);
        	}
				else (N < M){
                  while ((M%N) != 0)
              		do{
              			t = M%N;
                  		M = N;
                  		N = t;
                	} 
              	System.out.println(N*M/t);
                }
	}
}

Compiler output:
Main.java:1: error: '{' expected
class Main.java{
          ^
Main.java:19: error: while expected
                } 
                 ^
Main.java:20: error: ')' expected
              	System.out.println(N*M/t);
              	                         ^
Main.java:22: error: not a statement
				else (N < M){
				     ^
Main.java:22: error: ';' expected
				else (N < M){
				            ^
Main.java:28: error: while expected
                	} 
                	 ^
Main.java:29: error: ')' expected
              	System.out.println(N*M/t);
              	                         ^
7 errors
Language: Java

if (N == M){
  System.out.println(N);
}
	if (N%M == 0){
  		System.out.println(-1);
	}
		else if(M%N == 0){
        	System.out.println(-1);
    	}		
			else if (N > M){
              int t;
				while ((N%M) != 0)
              	do{
              		t = N%M;
                  	N = M;
                  	M = t;
                } 
              	System.out.println(N*M/t);
        	}
				else (N < M){
                  while ((M%N) != 0)
              		do{
              			t = M%N;
                  		M = N;
                  		N = t;
                	} 
              	System.out.println(N*M/t);
                }

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
if (N == M){
^
Main.java:3: error: class, interface, enum, or record expected
}
^
Main.java:6: error: class, interface, enum, or record expected
	}
	^
Main.java:9: error: class, interface, enum, or record expected
    	}		
    	^
Main.java:12: error: class, interface, enum, or record expected
				while ((N%M) != 0)
				^
Main.java:15: error: class, interface, enum, or record expected
                  	N = M;
                  	^
Main.java:16: error: class, interface, enum, or record expected
                  	M = t;
                  	^
Main.java:17: error: class, interface, enum, or record expected
                } 
                ^
Main.java:19: error: class, interface, enum, or record expected
        	}
        	^
Main.java:24: error: class, interface, enum, or record expected
                  		M = N;
                  		^
Main.java:25: error: class, interface, enum, or record expected
                  		N = t;
                  		^
Main.java:26: error: class, interface, enum, or record expected
                	} 
                	^
Main.java:28: error: class, interface, enum, or record expected
                }
                ^
13 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N,M;
  cin >> N >> M;
  string S,T;
  cin >> S >> T;
  int gcd(int m, int n){
    int max=max(m,n);
    int min=min(m,n);
    while(max-min!=min){
      max=max(min,max-min);
      min=min(min,max-min)}
    return min;
  }
  int lcm(int m, int n){return m*n/gcd(m,n);}
  int a=lcm(N,M); //最小公倍数
  int b=gcd(N,M); //最大公約数
  int s=N/b;
  int t=M/b;
  int ans=a;
  for(int i=0;i<;i++){
    if(S[1+s*i]!=T[1+t*i]){ans=-1;}
  }
  cout << ans << endl;
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:9:24: error: a function-definition is not allowed here before '{' token
    9 |   int gcd(int m, int n){
      |                        ^
a.cc:17:24: error: a function-definition is not allowed here before '{' token
   17 |   int lcm(int m, int n){return m*n/gcd(m,n);}
      |                        ^
a.cc:23:17: error: expected primary-expression before ';' token
   23 |   for(int i=0;i<;i++){
      |                 ^
Language: C++

Saitama#include<iostream>
using namespace std;
int main()
{
	int N,M;
	string s,t;
	cin >> N >> M >> s >> t;
	int i;
	for(i=max(N,M); i % min(N,M) != 0; i+=max(N,M));
	if(max(N,M) % min(N,M) == 0){
		bool flag;
		for(int j=0; j<max(N,M); j++){
			if(s[j*max(N,M)/min(N,M)+1] != t[j*max(N,M)/min(N,M)+1])
				flag = false;
		}
		if(flag) cout << max(N,M) << endl;
		else cout << -1 << endl;
	}else
		cout << i << endl;
	
	return 0;
}


Compiler output:
a.cc:1:8: error: stray '#' in program
    1 | Saitama#include<iostream>
      |        ^
a.cc:1:1: error: 'Saitama' does not name a type
    1 | Saitama#include<iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:9: error: 'string' was not declared in this scope
    6 |         string s,t;
      |         ^~~~~~
a.cc:7:9: error: 'cin' was not declared in this scope
    7 |         cin >> N >> M >> s >> t;
      |         ^~~
a.cc:7:26: error: 's' was not declared in this scope
    7 |         cin >> N >> M >> s >> t;
      |                          ^
a.cc:7:31: error: 't' was not declared in this scope
    7 |         cin >> N >> M >> s >> t;
      |                               ^
a.cc:9:15: error: 'max' was not declared in this scope
    9 |         for(i=max(N,M); i % min(N,M) != 0; i+=max(N,M));
      |               ^~~
a.cc:9:29: error: 'min' was not declared in this scope; did you mean 'main'?
    9 |         for(i=max(N,M); i % min(N,M) != 0; i+=max(N,M));
      |                             ^~~
      |                             main
a.cc:10:12: error: 'max' was not declared in this scope
   10 |         if(max(N,M) % min(N,M) == 0){
      |            ^~~
a.cc:10:23: error: 'min' was not declared in this scope; did you mean 'main'?
   10 |         if(max(N,M) % min(N,M) == 0){
      |                       ^~~
      |                       main
a.cc:16:26: error: 'cout' was not declared in this scope
   16 |                 if(flag) cout << max(N,M) << endl;
      |                          ^~~~
a.cc:16:46: error: 'endl' was not declared in this scope
   16 |                 if(flag) cout << max(N,M) << endl;
      |                                              ^~~~
a.cc:17:22: error: 'cout' was not declared in this scope
   17 |                 else cout << -1 << endl;
      |                      ^~~~
a.cc:17:36: error: 'endl' was not declared in this scope
   17 |                 else cout << -1 << endl;
      |                                    ^~~~
a.cc:19:17: error: 'cout' was not declared in this scope
   19 |                 cout << i << endl;
      |                 ^~~~
a.cc:19:30: error: 'endl' was not declared in this scope
   19 |                 cout << i << endl;
      |                              ^~~~
Language: C

#include <stdio.h>
int main(void){
	int n,m;
	char s[100001],t[100001];
	scanf("%d %d",&n,&m);
	scanf("%s",&s);
	scanf("%s",&t);
	int a,b,c;
	if(n>m){
		a=n;
		b=m;
	}else{
		a=m;
		b=n;
	}
	while(1==1){
		c=a%b;
		if(c==0){
			break;
		}
		a=b;
		b=c;
	}
	long long int ans;
	ans = 1
	ans = ans*n/b*m;

	int i;
	for(i=0;i<b;i++){
		if(s[(n/b)*i]!=t[(m/b)*i]){
			ans = -1;
			break;
		}
	}
	printf("%lld\n",ans);
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:25:16: error: expected ';' before 'ans'
   25 |         ans = 1
      |                ^
      |                ;
   26 |         ans = ans*n/b*m;
      |         ~~~
Language: C++

#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
int n,t;
string s1,s2;
int lcm(int a,int b)
{
	return a*b/__gcd(a,b);
}
int main()
{
	scanf("%d%d",&n,&t);
	cin>>s1>>s2;
	if(n%m==0)
	{
		printf("-1\n");
		return 0;
	}
	printf("%d\n",lcm(n,t));
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:14: error: 'm' was not declared in this scope; did you mean 'tm'?
   15 |         if(n%m==0)
      |              ^
      |              tm
Language: C++

#include "iostream"
#include "algorithm"
#include "vector"
#include "string"
#include "cmath"

int gcd( int m, int n )
{
  int mn = m*n;
	// 引数に０がある場合は０を返す
	if ( ( 0 == m ) || ( 0 == n ) )
		return 0;

	// ユークリッドの方法
	while( m != n )
	{
		if ( m > n ) m = m - n;
		else         n = n - m;
	}
	return mn / m;
}//gcd


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

  int NN, MM;
  std::cin >> NN>>MM;

  std::string S, T;

  std::cin >> S;
  std::cin >> T;

  // std::cout << S << '\n';
  // std::cout << T << '\n';
  //
  // std::cout << gcd(NN, MM) << '\n';

  int gcd_nm = gcd(NN, MM);

  int flag = 0;

  for (size_t i = 0; i < NN; i++) {
    int j_restart = 0;
    for (size_t j = j_restart; j < MM; j++) {
      if (gcd_nm / NN *i < gcd_nm /MM * j) {
        j_restart = min(0, j)
        continue;
      }
      if (gcd_nm / NN *i == gcd_nm /MM * j) {
        if (S[i] != T[j] ) {
          flag = 1;
          //
          // std::cout << "S[gcd_nm / NN *i] != T[gcd_nm /MM * j]:::" <<
          //   S[gcd_nm / NN *i] << "!="<< T[gcd_nm /MM * j]<< '\n';
          //   std::cout << "i:::"<<i << '\n';
          // std::cout << "j:::"<<j << '\n';
          break;
        }
      }
    }
  }


  // std::cout << flag==0? gcd_nm:-1 << '\n';
  if (flag == 0) {
    std::cout << gcd_nm << '\n';
  }else{
    std::cout << -1 << '\n';
  }

  return 0;
}


Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:47:21: error: 'min' was not declared in this scope; did you mean 'std::min'?
   47 |         j_restart = min(0, j)
      |                     ^~~
      |                     std::min
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: 'std::min' declared here
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

const int maxn = 100100;
typedef long long int ll;

ll N, M;
char S[maxn], T[maxn];

ll gcd(ll m, ll n) { return (0 == n) ? m : gcd(n, m % n); }

int main(void)
{
    scanf("%d%d", &N, &M);
    scanf("%s%s", S, T);
    ll l = N / gcd(N, M) * M;
    ll b = l / M;
    for (int i = 0; i < N; i++)
    {
        int pos_in_x = l / N * i;
        if (0 == (pos_in_x % b))
        {
            int pos_in_t = pos_in_x / b;
            if (pos_in_t >= T) return 0 * puts("-1");
            if (S[i] != T[(pos_in_x) / b])
                return 0 * puts("-1");
        }
    }
    printf("%lld\n", l);
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:26: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   25 |             if (pos_in_t >= T) return 0 * puts("-1");
      |                 ~~~~~~~~~^~~~
Language: C++

#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <set>
#include <cmath>
#include <algorithm>
#include <numeric>
#include <sstream>

using namespace std;

long long gcd(long long x, long long y){
    return y ? gcd(y, x % y) : x;
}

int main(){
    long long n, m;
    cin >> n >> m;
    string s, t;
    cin >> s >> t;

    long long a = n / gcd(n, m);
    long long b = m / gcd(n, m);

    bool isOK = true;
    for(long long i = 0; long long < gcd(n, m); ++i){
        if(s[a * i] != t[b * i]){
            isOK = false;
            break;
        }
    }
    if(isOK) cout << (n * m / gcd(n, m)) << endl;
    else     cout << -1 << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:31: error: 'long int' is not a template
   27 |     for(long long i = 0; long long < gcd(n, m); ++i){
      |                               ^~~~
a.cc:27:41: error: call to non-'constexpr' function 'long long int gcd(long long int, long long int)'
   27 |     for(long long i = 0; long long < gcd(n, m); ++i){
      |                                      ~~~^~~~~~
a.cc:13:11: note: 'long long int gcd(long long int, long long int)' declared here
   13 | long long gcd(long long x, long long y){
      |           ^~~
a.cc:27:26: error: expected primary-expression before 'long'
   27 |     for(long long i = 0; long long < gcd(n, m); ++i){
      |                          ^~~~
a.cc:27:25: error: expected ';' before 'long'
   27 |     for(long long i = 0; long long < gcd(n, m); ++i){
      |                         ^~~~~
      |                         ;
a.cc:27:26: error: expected primary-expression before 'long'
   27 |     for(long long i = 0; long long < gcd(n, m); ++i){
      |                          ^~~~
a.cc:27:25: error: expected ')' before 'long'
   27 |     for(long long i = 0; long long < gcd(n, m); ++i){
      |        ~                ^~~~~
      |                         )
a.cc:27:31: error: declaration does not declare anything [-fpermissive]
   27 |     for(long long i = 0; long long < gcd(n, m); ++i){
      |                               ^~~~
a.cc:27:51: error: 'i' was not declared in this scope
   27 |     for(long long i = 0; long long < gcd(n, m); ++i){
      |                                                   ^
Language: C++

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

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

typedef vector<int> vi;
typedef vector<string> vs;
typedef long long ll;
typedef vector<ll> vll;
typedef vector<vi> vvi;
typedef deque<ll> dll;
typedef pair<ll, ll> P;
#define mod 1e9 + 7;
ll gcd(ll x, ll y)
{
	ll r;
	while ((r = x % y) != 0)
	{
		x = y;
		y = r;
	}
	return y;
}
ll lcm(ll x, ll y)
{
	x /= gcd(x, y);
	y /= gcd(x, y);
	return (x * y);
}


int main()
{
	ios_base::sync_with_stdio(false);
	ll a, b, c, d, n, m, ret = 0;
	string s,t;
	char ans[(ll)1e5 + 1];
	cin >> n >> m >> s >> t;
	ll x = lcm(n, m);
	//cout << x;
	memset(ans, '.', 1e5+1);
	ans[0] = s[0];
	REP(i,1, n) {
		ans[(x / n) * i] = s[i];
	}
	//cout << ans << endl;
	if (ans[0] != t[0]) {
		cout << "-1" << endl;
		//ok1
	}
	else {
		REP(i, 1, n) {
			if (ans[(x / m) * i] == '.')continue;
			else if (ans[(x / m) * i] != t[i]) {
				cout << "-1" << endl;
				//ok2
				return 0;
			}
		}
		cout << x << endl;
	}
	return 0;
}

Compiler output:
a.cc:15:9: fatal error: bits / stdc++.h: No such file or directory
   15 | #include<bits / stdc++.h>
      |         ^~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<vector>
#include<algorithm>
#include<string>
#include<cmath>
#include<map>
#include<cstdio>
#include<stack>
#include<queue>
#include<fstream>
#include<cstdio>
#include<deque>
#include<iomanip>
#include <numeric>

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

typedef vector<int> vi;
typedef vector<string> vs;
typedef long long ll;
typedef vector<ll> vll;
typedef vector<vi> vvi;
typedef deque<ll> dll;
typedef pair<ll, ll> P;
#define mod 1e9 + 7;
ll gcd(ll x, ll y)
{
	ll r;
	while ((r = x % y) != 0)
	{
		x = y;
		y = r;
	}
	return y;
}
ll lcm(ll x, ll y)
{
	x /= gcd(x, y);
	y /= gcd(x, y);
	return (x * y);
}


int main()
{
	ios_base::sync_with_stdio(false);
	ll a, b, c, d, n, m, ret = 0;
	string s,t;
	char ans[(ll)1e5 + 1];
	cin >> n >> m >> s >> t;
	ll x = lcm(n, m);
	//cout << x;
	memset(ans, '.', 1e5+1);
	ans[0] = s[0];
	REP(i,1, n) {
		ans[(x / n) * i] = s[i];
	}
	//cout << ans << endl;
	if (ans[0] != t[0]) {
		cout << "-1" << endl;
		//ok1
	}
	else {
		REP(i, 1, n) {
			if (ans[(x / m) * i] == '.')continue;
			else if (ans[(x / m) * i] != t[i]) {
				cout << "-1" << endl;
				//ok2
				return 0;
			}
		}
		cout << x << endl;
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:68:9: error: 'memset' was not declared in this scope
   68 |         memset(ans, '.', 1e5+1);
      |         ^~~~~~
a.cc:15:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
   14 | #include <numeric>
  +++ |+#include <cstring>
   15 |
Language: C++

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

int gcd(int m, int n)
{
	if ((m == 0) || (n == 0))
		return 0;
	
	while(m != n) {
		if (m > n) m -= n;
		else       n -= m;
	}
	return m;
}

int lcm(int m, int n)
{
	if ((m == 0) || (n == 0))
		return 0;
	
	return ((m / gcd(m, n)) * n); // lcm = m * n / gcd(m, n)
}

int main()
{
    string S, T;
    char ans[10000];

    int N, M;
    cin >> N >> M >> S >> T;
    long L = lcm(N, M);
    //cout << L;

    memset(ans, 0, 10000);
    for(int i = 0; i < N; i++) {
        ans[(L / N) * i] = S[i];
    }
    for(int i = 0; i < M; i++) {
        int idx = (L / M) * i;
        if(ans[idx] != 0 && ans[idx] != T[i]) {
            cout << -1;
            return 0;
        } else {
            ans[idx] = T[i];
        }
    }

    cout << L;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:35:5: error: 'memset' was not declared in this scope
   35 |     memset(ans, 0, 10000);
      |     ^~~~~~
a.cc:2:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    1 | #include <iostream>
  +++ |+#include <cstring>
    2 | #include <string>
Language: C++

#include <cstdio>
#include <cmath>
#include <iostream>
#include <algorithm>
#include <cstring>
#include <cstdlib>

#include <numeric>

#include <vector>

using namespace std;

typedef long long LL;

LL gcd(LL x, LL y)
{
    if (x < y) swap(x,y);
    LL r;
    while(y) {
        r = x % y;
        x = y;
        y = r;
    }
    return x;
}

LL n, m;
char s[114514], t[114514];

LL main()
{
    cin >> n >> m;
    scanf("%s%s", s+1, t+1);
    LL z = gcd(n,m);
    LL nn = n / z, mm = m / z;
    bool succ = (s[1] == t[1]);
    for (LL i = 1, j = 1, i0 = 1, j0 = 1; succ && i <= n && j <= m; i += mm, j += nn, i0 += 1, j0 += 1) {
        if (i == j && s[i0] != t[j0]) succ = 0;
    }
    if (z == min(n,m)) {
        if (n < m) {
            for (LL i = 1; i <= m&&succ; ++i) {
                if (s[i%n]!=t[i]) succ = 0;
            }
        }
        else {
            for (LL i = 1; i <= n&&succ; ++i) {
                if (t[i%m]!=s[i]) succ = 0;
            }
        }
    }
    if (succ) cout << nn * mm * z;
    else cout << -1;

}

Compiler output:
a.cc:31:1: error: '::main' must return 'int'
   31 | LL main()
      | ^~