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

#include <iostream>
#include <array>

int main(){
  array <int,200000> a;
  int n;
  std::cin>>n;
  for (int i;i<n;i++){
    std::cin>>a.at(i);
  }
  bool flag = true;
  while(flag){
    flag = true;
    n -=2;
    for(int i;i<n/2;i++){
      if(a.at(i)!=a.at(i+n/2){
	  flag=false;
	}
    }
 }
    std::cout<<n<<std::endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'array' was not declared in this scope; did you mean 'std::array'?
    5 |   array <int,200000> a;
      |   ^~~~~
      |   std::array
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 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_pair.h:99:12: note: 'std::array' declared here
   99 |     struct array;
      |            ^~~~~
a.cc:5:10: error: expected primary-expression before 'int'
    5 |   array <int,200000> a;
      |          ^~~
a.cc:9:15: error: 'a' was not declared in this scope
    9 |     std::cin>>a.at(i);
      |               ^
a.cc:16:10: error: 'a' was not declared in this scope
   16 |       if(a.at(i)!=a.at(i+n/2){
      |          ^
a.cc:16:30: error: expected ')' before '{' token
   16 |       if(a.at(i)!=a.at(i+n/2){
      |         ~                    ^
      |                              )
a.cc:19:5: error: expected primary-expression before '}' token
   19 |     }
      |     ^
Language: C++

#include <iostream>
int main() {
int a,b,c,d;
  std::cin >> a >> b >> c;
d = std::max({a,b,c});
  std::cout << (a + b + c) - d<< std::endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:13: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
    5 | d = std::max({a,b,c});
      |     ~~~~~~~~^~~~~~~~~
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:   candidate expects 2 arguments, 1 provided
/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, 1 provided
Language: C++

#include <iostream>
int main() {
int a,b,c;
  std::cin >> a >> b >> c;
  std::cout << (a + b + c) - std::max({a, b, c}) << std::endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:38: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
    5 |   std::cout << (a + b + c) - std::max({a, b, c}) << std::endl;
      |                              ~~~~~~~~^~~~~~~~~~~
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:   candidate expects 2 arguments, 1 provided
/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, 1 provided
Language: C++

#include <iostream>
int main() {
  std::cin >> a >> b >> c;
  std::cout << (a + b + c) - std::max({a, b, c}) << std::endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:3:15: error: 'a' was not declared in this scope
    3 |   std::cin >> a >> b >> c;
      |               ^
a.cc:3:20: error: 'b' was not declared in this scope
    3 |   std::cin >> a >> b >> c;
      |                    ^
a.cc:3:25: error: 'c' was not declared in this scope
    3 |   std::cin >> a >> b >> c;
      |                         ^
a.cc:4:38: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
    4 |   std::cout << (a + b + c) - std::max({a, b, c}) << std::endl;
      |                              ~~~~~~~~^~~~~~~~~~~
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:   candidate expects 2 arguments, 1 provided
/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, 1 provided
Language: C++

#include <iostream>
#include <fstream>
#include <cstdio>
#include <cmath>
#include <vector>
#include <cstring>
#include <string>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <algorithm>
using namespace std;

#define REP(i,n) for(int i=0; i<n; ++i)
#define FOR(i,a,b) for(int i=a; i<=b; ++i)
#define FORR(i,a,b) for (int i=a; i>=b; --i)
#define ALL(c) (c).begin(), (c).end()

typedef long long ll;
typedef vector<int> VI;
typedef vector<ll> VL;
typedef vector<VL> VVL;
typedef vector<VI> VVI;
typedef pair<int,int> P;
typedef pair<ll,ll> PL;

int main() {
	int a[3];
	cin >> a[0] >> a[1] >> a[2];
	sort(ALL(a));
	cout << a[0] + a[1] << endl;

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:20: error: request for member 'begin' in 'a', which is of non-class type 'int [3]'
   18 | #define ALL(c) (c).begin(), (c).end()
      |                    ^~~~~
a.cc:31:14: note: in expansion of macro 'ALL'
   31 |         sort(ALL(a));
      |              ^~~
a.cc:18:33: error: request for member 'end' in 'a', which is of non-class type 'int [3]'
   18 | #define ALL(c) (c).begin(), (c).end()
      |                                 ^~~
a.cc:31:14: note: in expansion of macro 'ALL'
   31 |         sort(ALL(a));
      |              ^~~
Language: C++

#include<iostream>
#include<algorithm>
#include<cstdio>
#include<map>
#include<list>
#include<vector>
#include<unordered_map>
using namespace std;
 
signed main() {
	int a, b,c; cin >> a >> b>>c;
	cout << min({a + b, b + c, a + c}) << endl;
}

Compiler output:
a.cc:9:1: error: extended character   is not valid in an identifier
    9 |  
      | ^
a.cc:9:1: error: '\U000000a0' does not name a type
    9 |  
      | ^
Language: C++

#include<iostream>
#include<algorithm>
#include<cstdio>
#include<map>
#include<list>
#include<vector>
#include<unordered_map>
#define int long long
using namespace std;

signed main() {
	int a, b,c; cin >> a >> b>>c;
	cout << min(a + b, b + c, a + c) << endl;
}

Compiler output:
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: In instantiation of 'constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
a.cc:13:13:   required from here
   13 |         cout << min(a + b, b + c, a + c) << endl;
      |                 ~~~^~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:284:17: error: '__comp' cannot be used as a function
  284 |       if (__comp(__b, __a))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include <iostream>
#include <vector>
#define MAX_NUM 1000000000
using namespace std;

int n;
int a[MAX_NUM];
int b[MAX_NUM];

int main()
{
    cin >> n;
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }
    for (int i = 0; i < n; ++i) {
        b[i] = a[i];
        for (int j = 0; j < n / 2; ++j) {
            int tmp = b[i];
            b[i] = b[n-i-1];
            b[n-i-1] = tmp;
        }
    }
    for (int i = 0; i < n - 1; ++i) {
        cout << b[i] << " ";
    }
    cout << b[n-1] << endl;
    return 0;
}


Compiler output:
/tmp/cctImY2l.o: in function `main':
a.cc:(.text+0x96): relocation truncated to fit: R_X86_64_PC32 against symbol `b' defined in .bss section in /tmp/cctImY2l.o
a.cc:(.text+0xb6): relocation truncated to fit: R_X86_64_PC32 against symbol `b' defined in .bss section in /tmp/cctImY2l.o
a.cc:(.text+0xd9): relocation truncated to fit: R_X86_64_PC32 against symbol `b' defined in .bss section in /tmp/cctImY2l.o
a.cc:(.text+0xf1): relocation truncated to fit: R_X86_64_PC32 against symbol `b' defined in .bss section in /tmp/cctImY2l.o
a.cc:(.text+0x111): relocation truncated to fit: R_X86_64_PC32 against symbol `b' defined in .bss section in /tmp/cctImY2l.o
a.cc:(.text+0x163): relocation truncated to fit: R_X86_64_PC32 against symbol `b' defined in .bss section in /tmp/cctImY2l.o
a.cc:(.text+0x1b8): relocation truncated to fit: R_X86_64_PC32 against symbol `b' defined in .bss section in /tmp/cctImY2l.o
collect2: error: ld returned 1 exit status
Language: Java

import java.util.Scanner;
 
public class Main {
 
    public static void main(String args[]){
 
    	//B問題
    	Scanner scan = new Scanner(System.in);
 
    	//文字列格納用
    	String S;
    	S = scan.next();
 
 
 
    	while(S.length() >= 2){
        	//1文字削除
        	if(S != null && S.length() > 0){
        	    S = S.substring(0, S.length()-1);
        	}
        	//文字数が偶数ならば
        	if(S.length() % 2 == 0){
        		String sa = S.substring(0,S.length() / 2);
        		String sb = S.substring(S.length() / 2 ,S.length());
        		if(sa.equals(sb)){
        			System.out.println(S.length());
        			break;
        		}
        	}
    	} 
}

Compiler output:
Main.java:31: error: reached end of file while parsing
}
 ^
1 error
Language: Java

import java.util.*;

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

		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		int sum = 0;

		if(a >= b){
			if(a >= c) {
				if(b >= c){
					sum = a + b;
				} else {
					sum = a + c;
				}
			} else {
				sum = a + c;
			}
		} else
			if(c >= a){
				sum = b + c;
			} else {
				sum = a + b;
			}
		}

		System.out.println(sum);
	}
	
}

Compiler output:
Main.java:31: error: <identifier> expected
		System.out.println(sum);
		                  ^
Main.java:31: error: <identifier> expected
		System.out.println(sum);
		                      ^
Main.java:34: error: class, interface, enum, or record expected
}
^
3 errors
Language: C++

/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner s = new Scanner(System.in);
        int a, b, c ;
        a = s.nextInt();
        b = s.nextInt();
        c = s.nextInt();
        System.out.println(minValue(a,b,c)
        		);
        }
	
	        	public static int minValue(int a, int b, int c) {
	        		int min = a + b;
	        		if (min > b + c) min = b + c;
	        		if (min > c + a) min = c + a;
	        		return min;
	        		
	        	}
	        	
}

Compiler output:
a.cc:3:1: error: 'import' does not name a type
    3 | import java.util.*;
      | ^~~~~~
a.cc:3:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:4:1: error: 'import' does not name a type
    4 | import java.lang.*;
      | ^~~~~~
a.cc:4:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:5:1: error: 'import' does not name a type
    5 | import java.io.*;
      | ^~~~~~
a.cc:5:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:10:15: error: expected ':' before 'static'
   10 |         public static void main (String[] args) throws java.lang.Exception
      |               ^~~~~~~
      |               :
a.cc:10:34: error: 'String' has not been declared
   10 |         public static void main (String[] args) throws java.lang.Exception
      |                                  ^~~~~~
a.cc:10:43: error: expected ',' or '...' before 'args'
   10 |         public static void main (String[] args) throws java.lang.Exception
      |                                           ^~~~
a.cc:10:47: error: expected ';' at end of member declaration
   10 |         public static void main (String[] args) throws java.lang.Exception
      |                                               ^
      |                                                ;
a.cc:10:49: error: 'throws' does not name a type
   10 |         public static void main (String[] args) throws java.lang.Exception
      |                                                 ^~~~~~
a.cc:21:31: error: expected ':' before 'static'
   21 |                         public static int minValue(int a, int b, int c) {
      |                               ^~~~~~~
      |                               :
a.cc:29:2: error: expected ';' after class definition
   29 | }
      |  ^
      |  ;
Language: C++

#include <bits/stdc++.h>

#define rep(i, first, to) for(int i = first; i < to; ++i)
#define REP(i, first, to) for(int i = first; i <= to; ++i)
#define MyDebug

#ifdef MyDebug
	#define debug(x) cout << #x << " : " << x << endl
	#define debugP(x) cout << x << endl
#else
	#define debug(x)
	#define debugP(x)
#endif

using namespace std;
typedef long long ll;

const int MOD = 1000000000 + 7;
int a[(int)1e5];
int n;
int two;
int nLength[(int)1e5 + 1];
int twoLength[(int)1e5];
int cnt[(int)1e5 + 1];
int p;

void solve() {
	cin >> n;
	rep (i, 0, n) cin >> a[i];

	rep(i, 0, n) cnt[a[i]]++;
	REP(i, 1, n) {
		if (cnt[i] == 2) {
			p = i;
			break;
		}
	}
	for (int i = n - 1; i >= 0; --i) {
		if(a[i] == p) {
			twoLength = n - i;
		}
	}

	nLength[2] = (n * (n - 1) / 2) % MOD;
	if (two >= 2) {
		twoLength[2] = (two * (two - 1) / 2) % MOD;
	}
	rep(i, 3, n) {
		nLength[i] = nLength[i - 1] * (n - i + 1) / i;
		nLength[i] %= MOD;
	}
	nLength[n] = 1;
	rep(i, 3, two) {
		twoLength[i] = twoLength[i - 1] * (two - i + 1) / i;
		twoLength[i] %= MOD;
	}
	twoLength[two] = 1;

	cout << n - 1 << endl;
	REP(i, 2, n) {
		cout << (MOD + nLength[i] - twoLength[i]) % MOD) << endl;
	}
}

int main() {
	solve();
	return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:40:35: error: incompatible types in assignment of 'int' to 'int [100000]'
   40 |                         twoLength = n - i;
      |                         ~~~~~~~~~~^~~~~~~
a.cc:61:64: error: expected ';' before ')' token
   61 |                 cout << (MOD + nLength[i] - twoLength[i]) % MOD) << endl;
      |                                                                ^
      |                                                                ;
Language: C

#include <stdio.h>

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char** argv) {
long  long n=0;
int t=1;

long long flag=n;
long long  a[n]={0};
scanf("%d",&n);
while(n--){
	scanf("%d",&a[t]);
	
	if(t>=2){
		int temp1=t;
		if(t%2==0){
			int i=1;
			while(i<t){
				int swap=0;
				swap=a[i];a[i]=a[t];a[t]=swap;
				i++;t--;
			}
			t=temp1;
		}
		else if(t%2!=0){
			int j=1;
			while(j!=t){
				int swap=0;
				swap=a[j];a[j]=a[t];a[t]=swap;
			
				j++;t--;
			}
			t=temp1;
		}
	}
	t++;
		
		}

	for(int k=1;k<flag;k++){
		printf("%d ",a[k]);
	}
printf("%d",a[flag]);

	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:17: error: variable-sized object may not be initialized except with an empty initializer
   10 | long long  a[n]={0};
      |                 ^
Language: C++

#include <cstdio>
#include <cstring>
#include <cmath>
#include <algorithm>
using namespace std;

char s[205], t1[205], t2[205];

int main()
{
	gets(s);
	int len = strlen(s);
	int w = len;
	for (int j = 1; j <= 200; j++){
		int tot = -1;
		for (int i = 0; i <= (len - 3) / 2; i++)	t1[i] = s[i];
		for (int i = (len - 3) / 2 + 1; i < len - 1; i++){
			t2[++tot] = s[i];	
		}
		t2[++tot] = '\0';
//		puts(t2);
		if (strcmp(t1, t2) == 0){
//			puts(t1);
//			puts(t2);
			printf ("%d\n", len - 1);
			return 0;
		}
		else{
//			puts(t1);
//			puts(t2);
			len--;
//			printf ("%d\n", len);
			memset(t1, 0, sizeof(t1));
			memset(t2, 0, sizeof(t2));
		}
	}
}

			


Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
   11 |         gets(s);
      |         ^~~~
      |         getw
Language: C++

import java.util.*;

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

		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		int sum = 0;

		if(a >= b){
			if(a >= c) {
				if(b >= c){
					sum = a + b;
				} else {
					sum = a + c;
				}
			} else {
				sum = a + c;
			}
		} else
			if(c >= a){
				sum = b + c;
			} else {
				sum = a + b;
			}
		}

		System.out.println(sum);
	}
	
}

Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.util.*;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: expected unqualified-id before 'public'
    3 | public class Main{
      | ^~~~~~
a.cc:34:1: error: expected declaration before '}' token
   34 | }
      | ^
Language: C++

#include <algorithm> 
#include <iostream> 
using namespace std; 
long long int n,b,c;
long long int a[200001];
 
int main(){
b=n/2;
c=(n+1)/2;
cin>>n;
for(int z=0;z<n;z++){
cin>>a[z];
}
if(n%2=1){
for(int i=1;i<=c;i++){
a[i]=a[n+2-2*i];
}
for(int j=n;j>c;j--){
a[j]=a[-n-1+2*j];
}
}
if(n%2=0){
for(int i=1;i<=b;i++){
a[i]=a[n+2-2*i];
}
for(int j=n;j>b;j--){
a[j]=a[-n-1+2*j];
}
}
for(int k=0;k<n;k++){
cout<<a[k];
}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: lvalue required as left operand of assignment
   14 | if(n%2=1){
      |    ~^~
a.cc:22:5: error: lvalue required as left operand of assignment
   22 | if(n%2=0){
      |    ~^~
Language: C++

#include <cstdio>
using namespace std;

int main(){
		int a,b,c;
		int ans=0;
		scanf("%d %d %d",&a,&b,&c);
		ans=a+b;
		ans=min(ans,a+c);
		ans=min(ans,b+c);
		printf("%d\n",ans);
		return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:21: error: 'min' was not declared in this scope; did you mean 'main'?
    9 |                 ans=min(ans,a+c);
      |                     ^~~
      |                     main
Language: Java

import java.util.Scanner;
import java.util.Arrays;
 
public class Main {
 
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int a[] = new int[3];
	
		for(int i = 0;i < 3; i++) {
			int a[i] = sc.nextInt();
		}
		Arrays.sort(a);
		System.out.println(a[0] + a[1]);
	}
 
}

Compiler output:
Main.java:12: error: ']' expected
			int a[i] = sc.nextInt();
			      ^
Main.java:12: error: ';' expected
			int a[i] = sc.nextInt();
			       ^
2 errors
Language: Java

import java.util.Scanner;
import java.util.Arrays;
 
public class atcoder {
 
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int a[] = new int[3];
	
		for(int i = 0;i < 3; i++) {
			a[i] = sc.nextInt();
		}
		Arrays.sort(a);
		System.out.println(a[0] + a[1]);
	}
 
}

Compiler output:
Main.java:4: error: class atcoder is public, should be declared in a file named atcoder.java
public class atcoder {
       ^
1 error
Language: Java

import java.util.Scanner;
import java.util.Arrays;

public class atcoder {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		int a[] = new int[3];
	
		for(int i = 0;i < 3; i++) {
			int a[i] = sc.nextInt();
		}
		Arrays.sort(a);
		System.out.println(a[0] + a[1]);
	}

}


Compiler output:
Main.java:12: error: ']' expected
			int a[i] = sc.nextInt();
			      ^
Main.java:12: error: ';' expected
			int a[i] = sc.nextInt();
			       ^
2 errors
Language: C++

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

using namespace std;

int main(){
int a[3];
for(int i=0;i<3;i++){
cin >> a[i];
}
sort(s.size(),3);

cout << a[0]+a[1] << endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:6: error: 's' was not declared in this scope
   15 | sort(s.size(),3);
      |      ^
Language: C

#include <stdio.h>
int main(void){
  int k,l,m;
  scanf("%d%d%d",&k,&l,&m);
  int min = k + l;
  if(min > (l + m)){
    min = l + m;
  }
  if(min > k + m){
    min = k + m;
  }
  printf("%d",max);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:12:15: error: 'max' undeclared (first use in this function)
   12 |   printf("%d",max);
      |               ^~~
main.c:12:15: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

include<iostream>
include<algorithm>
int main(){
 int a,b,c;
 std::cin>>a>>b>>c;
 std::cout<<"std::min(a+b,std::min(b+c,a+c))"<<srd::endl;
 return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
Language: Java

import java.util.Scanner;

public class At001 {
	private static int ptn = 3;
	public static void main(String[] args) {
		@SuppressWarnings("resource")
		Scanner sc = new Scanner(System.in);
		int[] price= new int[ptn];
		for(int i=0; ptn > i; i++) { 
			price[i] = sc.nextInt();
		}
		int min = 0;
		for(int i=0; ptn-1 > i; i++) {
			for(int j=i; ptn-1 > j; j++) {
				if ( min > price[j] + price[j+1] || min == 0) {
					min = price[j] + price[j+1];
				}
			}
		}
		System.out.println(min);
	}
}


Compiler output:
Main.java:3: error: class At001 is public, should be declared in a file named At001.java
public class At001 {
       ^
1 error
Language: C++

#include <iostream>
#include <stdio.h>
#include <string>
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <string.h>
#include <Windows.h>
#define _USE_MATH_DEFINES
#define LL long long
#define MAX(a, b) ((a) > (b) ? (a) : (b))
#define MIN(a, b) ((a) < (b) ? (a) : (b))
using namespace std;

int smax(int *ary) {
	int m = 0;
	for (int i = 0; i < sizeof(ary) / sizeof(ary[0]); i++)
		if (m < ary[i]) m = ary[i];
	return m;
}

int nmax(int *ary) {
	int max = 0, num;
	for (int i = 0; i < sizeof(ary) / sizeof(ary[0]); i++)
		if (max < ary[i]) {
			max = ary[i];
			num = i;
		}
	return max, num;
}

int main() {
	int a, b, c, a1, b1;
	cin >> a >> b >> c;
	if (a > b) a1 = b;
	else a1 = a;
	if (b > c)b1 = c;
	else b1 = b;
	if (a1 == b1)
		b1 = MAX(a, b);
	cout << a1 + b1 << endl;
	return 0;
}



Compiler output:
a.cc:8:10: fatal error: Windows.h: No such file or directory
    8 | #include <Windows.h>
      |          ^~~~~~~~~~~
compilation terminated.
Language: Java

import java.util.Scanner;
public class Main{
public static void main(String[] args){
int a,b,c,rtn;
Scanner sc=new scanner(System.in);
a=sc.nextInt();
b=sc.nextInt();
c=sc.nextInt();
if(a>b){
if(a>c)rtn=b+c;
else rtn=a+b;
}else{
if(b>c)rtn=a+c;
else rtn=a+b;
}
System.out.println(rtn);
}
}

Compiler output:
Main.java:5: error: cannot find symbol
Scanner sc=new scanner(System.in);
               ^
  symbol:   class scanner
  location: class Main
1 error
Language: Java

import java.util.*;
public class Main{
public static void main(String[] args){
int a,b,c,rtn;
Scanner sc=new scanner(System.in);
a=sc.nextInt();
b=sc.nextInt();
c=sc.nextInt();
if(a>b){
if(a>c)rtn=b+c;
else rtn=a+b;
}else{
if(b>c)rtn=a+c;
else rtn=a+b;
}
System.out.println(rtn);
}
}

Compiler output:
Main.java:5: error: cannot find symbol
Scanner sc=new scanner(System.in);
               ^
  symbol:   class scanner
  location: class Main
1 error
Language: Java

import java.util.*;
public class Main{
public static void main(String[] args){
int a,b,c,rtn;
Scanner sc=new scanner(System.in);
a=sc.nextInt();
b=sc.nextInt();
c=sc.nextInt();
if(a>b){
if(a>c)rtn=b+c;
else rtn=a+b;
}else{
if(b>c)rtn=a+c;
else rtn=a+b
}
System.out.println(rtn);
}
}

Compiler output:
Main.java:14: error: ';' expected
else rtn=a+b
            ^
1 error
Language: C

#include<stdio.h>
int main(void){
int a,b,c;
scanf("%d %d %d", &a, $b, &c);
int min=a+b;
if(min>b+c){
  min=b+c;
}
if(min>a+c){
  min=a+c;
}
printf("%d\n",min);
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:23: error: '$b' undeclared (first use in this function); did you mean 'b'?
    4 | scanf("%d %d %d", &a, $b, &c);
      |                       ^~
      |                       b
main.c:4:23: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

abc = input().split(' ')

abc =[ int(x) for x in abc]
s=  0

if abc[0] == abc[1] == abc[2] :
    print(abc[0] + abc[1])
elif abc[0] == abc[1] or abc[2] == abc[1] or abc[2] == abc[0]:
else:    
    for i in abc:
        if i != min(abc):
            s += i
    print(s)


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

include<iostream>
include<algorithm>
using namespace std;
int main(){
 int a,b,c;
 cin>>a>>b>>c;
 cout<<"min(a+b,min(b+c,a+c))"<<endl;
 return 0;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include<iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:2: error: 'cin' was not declared in this scope
    6 |  cin>>a>>b>>c;
      |  ^~~
a.cc:7:2: error: 'cout' was not declared in this scope
    7 |  cout<<"min(a+b,min(b+c,a+c))"<<endl;
      |  ^~~~
a.cc:7:33: error: 'endl' was not declared in this scope
    7 |  cout<<"min(a+b,min(b+c,a+c))"<<endl;
      |                                 ^~~~
Language: C++

#include<iostream>
using  namespace std;
int main(){
    int a[3];
    cin>>a[0]>>a[1]>>a[2];
    sort(a,a+3);
    cout<<a[0]+a[1]<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'sort' was not declared in this scope; did you mean 'short'?
    6 |     sort(a,a+3);
      |     ^~~~
      |     short
Language: C

#include<stdio.h>

int Ring[3];

int main(void){
    int i, max, sum;
    
    for(i = 0; i < 3; i++) scanf("%d", &Ring[i]);
    sum = max = Ring[0];
    for( i=1; i < 3; i++){
        if(max <= Ring[i]) min = Ring[i];
        sum += Ring[i];
    }
    sum -= max;

    printf("%d", sum);
}

Compiler output:
main.c: In function 'main':
main.c:11:28: error: 'min' undeclared (first use in this function); did you mean 'main'?
   11 |         if(max <= Ring[i]) min = Ring[i];
      |                            ^~~
      |                            main
main.c:11:28: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

int main(void){
int a,b,c,d;
scanf("%d %d %d",&a,&b,&c);
d = a+b;
if(d >=a+c){
	d = a+c;
}
if(d>=a+b){
	d = b+c;
}
printf("%d",d);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:3:1: error: 'scanf' was not declared in this scope
    3 | scanf("%d %d %d",&a,&b,&c);
      | ^~~~~
a.cc:11:1: error: 'printf' was not declared in this scope
   11 | printf("%d",d);
      | ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | int main(void){
Language: C++


#include <iostream>
using namespace std;
 
int main(void){
	int a, b, c;
	cin >> a >> b >> c;
 
	int ans;
	ans = min(min(a + b, b + c), c + a);
 
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc:4:1: error: extended character   is not valid in an identifier
    4 |  
      | ^
a.cc:8:1: error: extended character   is not valid in an identifier
    8 |  
      | ^
a.cc:11:1: error: extended character   is not valid in an identifier
   11 |  
      | ^
a.cc:4:1: error: '\U000000a0' does not name a type
    4 |  
      | ^
Language: C

#include <stdio.h>
#include <math.h>

int main(void){
	short a,b,c;
	scanf("%d",a);
	scanf("%d",b);
	scanf("%d",c);

	short sum=min(a+b,b+c,c+a);
	printf("%d",sum);
	return 0;
} 

Compiler output:
main.c: In function 'main':
main.c:10:19: error: implicit declaration of function 'min'; did you mean 'main'? [-Wimplicit-function-declaration]
   10 |         short sum=min(a+b,b+c,c+a);
      |                   ^~~
      |                   main
Language: C

#include<stdio.h>

int Ring[3]

int main(void){
    int i, min, sum;
    
    for(i = 0; i < 3; i++) scanf("%d", &Ring[i]);
    sum = min = Ring[0];
    for( i=1; i < 3; i++){
        if(min >= Ring[i]) min = Ring[i];
        sum += Ring[i];
    }
    sum -= min;

    printf("%d", sum);
}

Compiler output:
main.c:3:12: error: expected ';' before 'int'
    3 | int Ring[3]
      |            ^
      |            ;
    4 | 
    5 | int main(void){
      | ~~~         
main.c: In function 'main':
main.c:8:41: error: 'Ring' undeclared (first use in this function)
    8 |     for(i = 0; i < 3; i++) scanf("%d", &Ring[i]);
      |                                         ^~~~
main.c:8:41: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

int main()
{
	int a, b, c;
	cin >> a >> b >> c;
	int temp = 0;
	temp = (a < b) ? ((b < c)? c : b) : ((a < c)? c : a);
	if (temp == a) {
		cout << b + c << endl;
	}
	else if (temp == b) {
		cout << a + c << endl;
	}
	else if (temp == c) {
		cout << a + b << endl;
	}
	return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:22:18: error: expected '}' at end of input
   22 |         return 0;
      |                  ^
a.cc:8:1: note: to match this '{'
    8 | {
      | ^
Language: Java


import java.util.Arrays;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
               new A().start();
	}
	void start(){
		Scanner in = new Scanner(System.in);
		int[] a = new int[3];
		for(int i = 0; i < 3; i++){
			a[i] = in.nextInt();
		}
		Arrays.sort(a);
		System.out.println(a[0] + a[1]);
		in.close();
	}

}


Compiler output:
Main.java:9: error: cannot find symbol
               new A().start();
                   ^
  symbol:   class A
  location: class Main
1 error
Language: C++


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

#define FOR(i,f,t) for(int i=(int)f; i<(int)t; i++)
#define FORR(i,f,t) for(int i=(int)f; i>(int)t; i--)
#define ms(obj, val) memset(obj, val, sizeof(obj))
#define pb push_back
#define SYNC ios_base::sync_with_stdio(false)
#define inf 100248012
#define mp make_pair
#define F first
#define S second
#define ri(x) scanf("%d",&x)
#define rii(x,y) scanf("%d %d",&x,&y)
#define riii(x,y,z) scanf("%d %d %d",&x,&y,&z)
#define lri(x) scanf("%lld",&x)
#define lrii(x,y) scanf("%lld %lld",&x,&y)
#define lriii(x,y,z) scanf("%lld %lld %lld",&x,&y,&z)


typedef vector<int> vi;
typedef long long ll;
typedef pair<int, int> ii;
double X0;
double Y0;
const int MAXN = 5e3+3;

struct Point{
  double x;
  double y;
  Point(double a = 0, double b = 0){
    x = a,y = b;
  }
  bool operator==(const Point p)const {
    return p.x == x && p.y == y;
  }
  bool operator<(const Point &p) const{
    return y<p.y || (y == p.y && x<p.x);
  }
  bool operator<=(const Point &p) const{
    return y<p.y || (y == p.y && x<=p.x);
  }
  Point operator+( Point p){
    return Point(x+p.x,y+p.y);
  }
  Point operator-( Point p){
    return Point(x-p.x,y-p.y);
  }
  Point operator*( double a){
	  return Point(a*x,a*y);
  }
  double operator*( Point p){
    return x*p.x + y*p.y;
  }
  double operator^( Point p){
    return x*p.y - y*p.x;
  }
  double norma2(){
    return x*x + y*y;
  }
  double norma(){
    return sqrt(this->norma2());
  }
};
struct Recta{
	Point P;
	Point V;
	Recta(Point p=Point(0,0),Point q=Point(0,0)){
		P=p;
		V=q;
		}
	Point operator *(Recta M){
		if(((M.V)^V) == 0){
			return Point(inf,inf);
			}
		else{
			double alpha;
			alpha=((M.P-P)^M.V)/(V^M.V);
			return P+V*alpha;
			}
		}
	};
struct Segmento{
	Point P;
	Point V;
	Segmento(Point p=Point(0,0),Point q=Point(0,0)){
		P=p;
		V=q;
		}
	Point operator *(Recta M){
		if(((M.V)^V) == 0){
			return Point(inf,inf);
			}
		else{
			double alpha;
			alpha=((M.P-P)^M.V)/(V^M.V);
			if((alpha<=1)&&(alpha>=0))
			{return P+V*alpha;}
			else
			{return Point(inf,inf);}
			}
		}
	};


int main(){
	int a[3];
	scanf("%d %d %d",&a[0],&a[1],&a[2]);
	sort(a,a+3);
	printf("%d\n",a+b);
	return 0;
	}

Compiler output:
a.cc: In function 'int main()':
a.cc:111:25: error: 'b' was not declared in this scope
  111 |         printf("%d\n",a+b);
      |                         ^
Language: Java

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int a = scanner.nextInt();
		int b = scanner.nextInt();
		int c = scanner.nextInt();
		
		if (a > b && a > c) {
			System.out.println(b + c);
		} else if (b > a && b > c) {
			System.out.println(a + c);
		} else {
			System.out.println(a + b);
		}
	}
}

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

#include <bits/stdc++.h>
#define lson l,mid,o<<1
#define rson mid+1,r,o<<1|1
using namespace std;
typedef long long LL;
typedef unsigned long long uLL;
typedef pair<int,int> PII;
const int INF=0x3f3f3f3f;
const LL MAX_N=2e5 + 10;
const LL mod=1e9+7;
const double PI=acos(-1);


int main()
{
    int a , b, c;
    cin >> a >> b >> c;
    ans = min(a + b, a + c);
    ans = min(ans, b + c);
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   18 |     ans = min(a + b, a + c);
      |     ^~~
      |     abs
Language: C++

#include <iostream>
using namespace std;

int main()
{
  int a[2];
  cin >> a[0] >> a[1] >> a[2];
  sort(a,a+2);
  cout << a[0]+a[1];
  
  return 0;  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: 'sort' was not declared in this scope; did you mean 'short'?
    8 |   sort(a,a+2);
      |   ^~~~
      |   short
Language: C++

# -*- coding:utf-8 -*-
a = [int(i) for i in input().split()]
a = sorted(a)
print(a[0] + a[1])


Compiler output:
a.cc:1:3: error: invalid preprocessing directive #-
    1 | # -*- coding:utf-8 -*-
      |   ^
a.cc:2:1: error: 'a' does not name a type
    2 | a = [int(i) for i in input().split()]
      | ^
Language: C++

#include <iostream>
#include<algorithm>
using namespace std;
 
int main()
{

	char S[201];
    cin>>S;
	int len = strlen(S);
    int k = 0;
    for(int i = 1; i < len; i++){
        if((len-i) % 2 == 0){
            int f = 0;
            for(int j = 0; j < (len-i)/2; j++)
			{
                if(S[j] != S[j+(len-i)/2]){
                    f = 1;
                    break;
				}
            }
            if(f == 0){
                k = i;
                break;
            }
        }
    }
 
    cout<< len-k<<endl;
 
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:19: error: 'strlen' was not declared in this scope
   10 |         int len = strlen(S);
      |                   ^~~~~~
a.cc:3:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include<algorithm>
  +++ |+#include <cstring>
    3 | using namespace std;
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
      string s;
      cin >>s;
      s.pop_back();
      for(int i=0;i<200;i++){
        int n=s.size();
        if(n%2){
            s.pop_back;
            continue;
        }
        string a=s.substr(0,n/2) , b = s.substr(n/2,n/2);
        if(a==b){
            cout<<s.size()<<endl;
        }
        else{
            s.pop_out;
        }
     }   
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: error: invalid use of non-static member function 'void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pop_back() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
   11 |             s.pop_back;
      |             ~~^~~~~~~~
In file included from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/basic_string.h:2174:7: note: declared here
 2174 |       pop_back() noexcept
      |       ^~~~~~~~
a.cc:19:15: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'pop_out'
   19 |             s.pop_out;
      |               ^~~~~~~
Language: C++

#include <iostream>
#include <string>
using namespace std;
int main()
{
  string S;
  cin >> S;
  int len = S.length();
  for (int i = 1; i < len; i++) {
    int len1 = (len-i)/2;
    int len2 = len-i-len1;
    if (len1!=len2) continue;

    string s1 = S.substr(0, len1);
    string s2 = S.substr(len1, len2);
    if (s1==s2) {
      cout << len1+len2 << endl;
      retrun 0;
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:7: error: 'retrun' was not declared in this scope
   18 |       retrun 0;
      |       ^~~~~~
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <stack>
#include <queue>
#include <map>
#include <string>
using namespace std;

int main()
{
	char str[222];
	cin >> str;
	int n = strlen(str);
	for (int i = n - 2; i; i -= 2) {
		if (strncmp(str, str + i / 2, i / 2) == 0) {
			cout << i << endl;
			return 0;
		}
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:17: error: 'strlen' was not declared in this scope
   15 |         int n = strlen(str);
      |                 ^~~~~~
a.cc:8:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    7 | #include <map>
  +++ |+#include <cstring>
    8 | #include <string>
a.cc:17:21: error: 'strncmp' was not declared in this scope
   17 |                 if (strncmp(str, str + i / 2, i / 2) == 0) {
      |                     ^~~~~~~
a.cc:17:21: note: 'strncmp' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
Language: C++

#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <stack>
#include <queue>
#include <map>
#include <string>
using namespace std;

int main()
{
	int ans,n, m;
	string a;
	cin >> a;

	for (int i = 0;i< a.length;i++) {
		string ma = a.substr(0, a.length/2-i);
		string usi = a.substr(a.length/2+1-i, a.length-i*2);
		if(ma == usi){
			ans = a.length/2-i;
			break;
		}
	}

	cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:29: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   17 |         for (int i = 0;i< a.length;i++) {
      |                           ~~^~~~~~
      |                                   ()
a.cc:18:43: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   18 |                 string ma = a.substr(0, a.length/2-i);
      |                                         ~~^~~~~~
      |                                                 ()
a.cc:19:41: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   19 |                 string usi = a.substr(a.length/2+1-i, a.length-i*2);
      |                                       ~~^~~~~~
      |                                               ()
a.cc:19:57: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   19 |                 string usi = a.substr(a.length/2+1-i, a.length-i*2);
      |                                                       ~~^~~~~~
      |                                                               ()
a.cc:21:33: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   21 |                         ans = a.length/2-i;
      |                               ~~^~~~~~
      |                                       ()
Language: Java

import java.util.*;

class Main {
    public static int main(String[] args){
        Scanner sc = new Scanner(System.in);
        String s = sc.nextLine();
        sc.close();
        Map<Character,Integer> chars = new LinkedHashMap<>();
        for (int i=0; i<s.length(); i++){
            if (chars.containsKey(s.charAt(i))){
                chars.replace(s.charAt(i), chars.get(s.charAt(i)), chars.get(s.charAt(i))+1);
            }
            else{
                chars.put(s.charAt(i),1);
            }
        }
        for (int i=s.length(); i>=0; i--){
            Boolean flag = true;
            for (Integer j : chars.values()){
                if (j%2 == 1) {
                    flag = false;
                    break;
                }
            }
            if (flag){
                System.out.println(i);
                return 0;
            }
            chars.replace(s.charAt(i),chars.get(s.charAt(i)),chars.get(s.charAt(i))-1);
        }    
    }
}

Compiler output:
Main.java:31: error: missing return statement
    }
    ^
1 error
Language: C++

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

int main() {
  string s;
  cin >> s;
  int res = 0;
  
  while (true) {
    string a, b;
    s.erase(s.begin() + s.size() - 1);
    res++;

    if (s.size() % 2 != 0) continue;
    a = s.substr(0, s.size() / 2);
    b = s.substr(s.size() / 2, s.size());
    if (a == b) {
      break;
    }
  }
  printf(s.size());

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:16: error: invalid conversion from 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} to 'const char*' [-fpermissive]
   21 |   printf(s.size());
      |          ~~~~~~^~
      |                |
      |                std::__cxx11::basic_string<char>::size_type {aka long unsigned int}
In file included from /usr/include/c++/14/cstdio:42,
                 from /usr/include/c++/14/ext/string_conversions.h:45,
                 from /usr/include/c++/14/bits/basic_string.h:4154,
                 from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/stdio.h:363:43: note:   initializing argument 1 of 'int printf(const char*, ...)'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C++

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

signed main() {
  string s;
  cin >> s;
  int res = 0;
  
  while (true) {
    string a, b;
    s.erase(s.begin() + s.size() - 1);
    res++;

    if (s.size() % 2 != 0) continue;
    a = s.substr(0, s.size() / 2);
    b = s.substr(s.size() / 2, s.size());
    if (a == b) {
      break;
    }
  }
  print(s.size());
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:3: error: 'print' was not declared in this scope; did you mean 'rint'?
   21 |   print(s.size());
      |   ^~~~~
      |   rint
Language: C++

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

int main() {
  string s;
  cin >> s;
  int ans =0 ;
  for(int i = 0 ;i<= (s.size()-1)/2; i++){
    bool a = true;
    for ( int j = i+1 ; j<= s.size()-1 ;j++){
      if ( s.at(j)!=a.at(j+i)){
        a = false;
        break ;
      }
    }
      if(!a){
        break;
      }else if(a){
        ans = i;
  }
  }
    cout << ans*2 << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:23: error: request for member 'at' in 'a', which is of non-class type 'bool'
   11 |       if ( s.at(j)!=a.at(j+i)){
      |                       ^~
Language: C++

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

int main() {
  string s;
  cin >> s;
  int ans =0 ;
  for(int i = 0 ;i<= (s.size()-1)/2; i++){
    bool a = true;
    for ( int j = i+1 ; j<= (s.size()-1)/2 ;j++){
      if ( s.at(j)!=a.at(j+i)){
        a = false;
        break ;
      }
    }
      if(!a){
        break;
      }else if(a){
        ans = i;
  }
  }
    cout << ans*2 << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:23: error: request for member 'at' in 'a', which is of non-class type 'bool'
   11 |       if ( s.at(j)!=a.at(j+i)){
      |                       ^~
Language: C++

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

int main() {
  string s;
  cin >> s;
  int ans =0 ;
  for(int i = 0 ;i< (s.size()-1)/2; i++){
    bool a = true;
    for ( int j = i ; j<i< (s.size()-1)/2 ;j++){
      if ( s.at(j)!=a.at(j+i)){
        a = false;
        break ;
      }
    }
      if(!a){
        break;
      }else if(a){
        ans = i;
  }
  }
    cout << ans*2 << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:23: error: request for member 'at' in 'a', which is of non-class type 'bool'
   11 |       if ( s.at(j)!=a.at(j+i)){
      |                       ^~
Language: C++

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

int main() {
  string s;
  cin >> s;
  int ans =0
  for(int i = 0 ;i< (s.size()-1)/2; i++){
    bool a = true;
    for ( int j = i ; j<i< (s.size()-1)/2 ;j++){
      if ( s.at(j)!=a.at(j+i)){
        a = false;
        break ;
      }
    }
      if(!a){
        break;
      }else if(a){
        ans = i;
  }
  }
    cout << ans*2 << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: expected ',' or ';' before 'for'
    8 |   for(int i = 0 ;i< (s.size()-1)/2; i++){
      |   ^~~
a.cc:8:18: error: 'i' was not declared in this scope
    8 |   for(int i = 0 ;i< (s.size()-1)/2; i++){
      |                  ^