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

#include <bits/stdc+.h>
using namespace std;
int main() {
  char a, b, c;
  cin >> a >> b >> c;
  if (a == c) cout << "Yes" << endl;
  else cout << "No" << endl;
  return 0;
}

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

#include <iostream>
using namespace std;

int main() {
	string x,n;
cin>>x;
n=x;
reverse(x.begin(),x.end()) ;
if(n==x)
cout<<"Yes"<<endl;
else
cout<<"No"<<endl;
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:1: error: 'reverse' was not declared in this scope
    8 | reverse(x.begin(),x.end()) ;
      | ^~~~~~~
Language: C++

#include <iostream>
usin namespace std;

int main (){
    int x;
    cin>>x;
    if(x%10==x/100){
        cout<<"yes"<<endl;
    }else{
        cout<<"no"<<endl;
        }
}


Compiler output:
a.cc:2:1: error: 'usin' does not name a type
    2 | usin namespace std;
      | ^~~~
a.cc: In function 'int main()':
a.cc:6:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |     cin>>x;
      |     ^~~
      |     std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:8:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |         cout<<"yes"<<endl;
      |         ^~~~
      |         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:8:22: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |         cout<<"yes"<<endl;
      |                      ^~~~
      |                      std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:10:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |         cout<<"no"<<endl;
      |         ^~~~
      |         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:21: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |         cout<<"no"<<endl;
      |                     ^~~~
      |                     std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include<iostream>
using namespace std;
int main(){
  string s;
  cin>>s:
  if(s[0]==s[2]){
    cout<<"Yes"endl;
  }
  else{
    cout<<"No"<<endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: expected ';' before ':' token
    5 |   cin>>s:
      |         ^
      |         ;
a.cc:9:3: error: 'else' without a previous 'if'
    9 |   else{
      |   ^~~~
Language: C++

#include<stdio.h>
using namespace std;
int main(){
  string s;
  cin>>s:
  if(s[0]==s[2]){
    cout<<"Yes"endl;
  }
  else{
    cout<<"No"<<endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'string' was not declared in this scope
    4 |   string s;
      |   ^~~~~~
a.cc:2:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
    1 | #include<stdio.h>
  +++ |+#include <string>
    2 | using namespace std;
a.cc:5:3: error: 'cin' was not declared in this scope
    5 |   cin>>s:
      |   ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include<stdio.h>
  +++ |+#include <iostream>
    2 | using namespace std;
a.cc:5:8: error: 's' was not declared in this scope
    5 |   cin>>s:
      |        ^
a.cc:9:3: error: 'else' without a previous 'if'
    9 |   else{
      |   ^~~~
a.cc:10:5: error: 'cout' was not declared in this scope
   10 |     cout<<"No"<<endl;
      |     ^~~~
a.cc:10:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:10:17: error: 'endl' was not declared in this scope
   10 |     cout<<"No"<<endl;
      |                 ^~~~
a.cc:2:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    1 | #include<stdio.h>
  +++ |+#include <ostream>
    2 | using namespace std;
Language: C++

#include <stdio.h>
#include <string.h>
int main (){
	char input[100];
	scanf ("%s",input);getchar();
	if(strcmp(input,strrev(input))==0){
		printf ("Yes\n");
	}
	else printf("No\n");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:25: error: 'strrev' was not declared in this scope; did you mean 'strsep'?
    6 |         if(strcmp(input,strrev(input))==0){
      |                         ^~~~~~
      |                         strsep
Language: C++

#include <iostream>
#include <bits/stdc++.h>

using namespace std;

int main()
{
  string s;
  cin >> s;
  string t= reverse(s.begin(), s.end());
  if (t==s) cout << "Yes"; else cout << "No";
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:20: error: conversion from 'void' to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
   10 |   string t= reverse(s.begin(), s.end());
      |             ~~~~~~~^~~~~~~~~~~~~~~~~~~~
Language: C++

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

  string s,t;
  cin >> s;
  t = s;
  reverse(t.begin(),t.end());
  if(t == s) cout << "Yes" << endl;
  else cout << "No" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'reverse' was not declared in this scope
    9 |   reverse(t.begin(),t.end());
      |   ^~~~~~~
Language: C++

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

using namespace std;

int main(){
  string a; cin>>a;
if(a[0]==a[2] cout<<"Yes";
else cout<<"No";
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:14: error: expected ';' before 'cout'
    9 | if(a[0]==a[2] cout<<"Yes";
      |              ^~~~~
      |              ;
a.cc:10:1: error: expected primary-expression before 'else'
   10 | else cout<<"No";
      | ^~~~
a.cc:9:27: error: expected ')' before 'else'
    9 | if(a[0]==a[2] cout<<"Yes";
      |   ~                       ^
      |                           )
   10 | else cout<<"No";
      | ~~~~
Language: C++

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

using namespace std;

int main(){
  string a; cin>>a;
  if(a[0]==a[2])　cout<<"Yes";
  else cout<<"No";
  return 0;
}


Compiler output:
a.cc:9:17: error: extended character 　 is not valid in an identifier
    9 |   if(a[0]==a[2])　cout<<"Yes";
      |                 ^
a.cc: In function 'int main()':
a.cc:9:17: error: '\U00003000cout' was not declared in this scope
    9 |   if(a[0]==a[2])　cout<<"Yes";
      |                 ^~~~~~
Language: C++

# include<iostream>
using namespace std;
int main(){
int n;
cin>>n;
if(((n%1000)/100)==n%10){
    cout<<"Yes":
}
else {
    cout<<"No";
}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:16: error: expected ';' before ':' token
    7 |     cout<<"Yes":
      |                ^
      |                ;
Language: C++

#include <stdio.h>

int main(){
	int angka;
	int cek = 0;
	scanf("%d", &angka);
	if(x >= 100){
		if(angka/100 == angka%10) printf("YES\n");
		else printf("NO\n");	
	}
	else if(x < 10) printf("YES\n");
	else if(x > 10 && x < 100){
		if(angka/10 == angka%10) printf("YES\n");
		else printf("NO\n");
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:12: error: 'x' was not declared in this scope
    7 |         if(x >= 100){
      |            ^
Language: C

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

int main(void)
{
    int a,b;
    cin>>a;
    if(a/100==a%10) cout<<"Yes";
    else cout<<"No";
    return 0;
}



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

#include <iostream>
#include <string>
using namespace std;
 
int main(){
	string s;
  cin >> s
  if(s[0]==s[2]){
	cout << "Yes" << endl;
  }else{
      cout << "No" << endl;
   }
   return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:11: error: expected ';' before 'if'
    7 |   cin >> s
      |           ^
      |           ;
    8 |   if(s[0]==s[2]){
      |   ~~       
a.cc:10:4: error: 'else' without a previous 'if'
   10 |   }else{
      |    ^~~~
Language: C++

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

int main(){
	string s;
  if(s[0]==s[2]){
	cout << "Yes" << endl;
   else{
      cout << "No" << endl;
   }
   return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:4: error: expected '}' before 'else'
    9 |    else{
      |    ^~~~
a.cc:7:17: note: to match this '{'
    7 |   if(s[0]==s[2]){
      |                 ^
Language: C

#include <stdio.h>
#include <string.h>

int main()
{
  int a[4], b[4];

  scanf("%s",&a);

  strcpy(b, a);
  strrev(b);

  if (strcmp(a, b) == 0)
    printf("Yes");
  else
    printf("No");

  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:10:10: error: passing argument 1 of 'strcpy' from incompatible pointer type [-Wincompatible-pointer-types]
   10 |   strcpy(b, a);
      |          ^
      |          |
      |          int *
In file included from main.c:2:
/usr/include/string.h:141:39: note: expected 'char * restrict' but argument is of type 'int *'
  141 | extern char *strcpy (char *__restrict __dest, const char *__restrict __src)
      |                      ~~~~~~~~~~~~~~~~~^~~~~~
main.c:10:13: error: passing argument 2 of 'strcpy' from incompatible pointer type [-Wincompatible-pointer-types]
   10 |   strcpy(b, a);
      |             ^
      |             |
      |             int *
/usr/include/string.h:141:70: note: expected 'const char * restrict' but argument is of type 'int *'
  141 | extern char *strcpy (char *__restrict __dest, const char *__restrict __src)
      |                                               ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
main.c:11:3: error: implicit declaration of function 'strrev'; did you mean 'strsep'? [-Wimplicit-function-declaration]
   11 |   strrev(b);
      |   ^~~~~~
      |   strsep
main.c:13:14: error: passing argument 1 of 'strcmp' from incompatible pointer type [-Wincompatible-pointer-types]
   13 |   if (strcmp(a, b) == 0)
      |              ^
      |              |
      |              int *
/usr/include/string.h:156:32: note: expected 'const char *' but argument is of type 'int *'
  156 | extern int strcmp (const char *__s1, const char *__s2)
      |                    ~~~~~~~~~~~~^~~~
main.c:13:17: error: passing argument 2 of 'strcmp' from incompatible pointer type [-Wincompatible-pointer-types]
   13 |   if (strcmp(a, b) == 0)
      |                 ^
      |                 |
      |                 int *
/usr/include/string.h:156:50: note: expected 'const char *' but argument is of type 'int *'
  156 | extern int strcmp (const char *__s1, const char *__s2)
      |                                      ~~~~~~~~~~~~^~~~
Language: C

#include <stdio.h>
#include <string.h>

int main()
{
  char a[4], b[4];

  scanf("%s",&a);

  strcpy(b, a);
  strrev(b);

  if (strcmp(a, b) == 0)
    printf("Yes");
  else
    printf("No");

  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:11:3: error: implicit declaration of function 'strrev'; did you mean 'strsep'? [-Wimplicit-function-declaration]
   11 |   strrev(b);
      |   ^~~~~~
      |   strsep
Language: C

#include <stdio.h>
#include <string.h>

int main()
{
  char a[100], b[100];

  printf("Enter a string to check if it is a palindrome\n");
  gets(a);

  strcpy(b, a);  
  strrev(b);  

  if (strcmp(a, b) == 0) 
    printf("Yes");
  else
    printf("No");

  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:9:3: error: implicit declaration of function 'gets'; did you mean 'fgets'? [-Wimplicit-function-declaration]
    9 |   gets(a);
      |   ^~~~
      |   fgets
main.c:12:3: error: implicit declaration of function 'strrev'; did you mean 'strsep'? [-Wimplicit-function-declaration]
   12 |   strrev(b);
      |   ^~~~~~
      |   strsep
Language: C++

#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
#include <iomanip>
#include <cstring>
#define rep(i, N) for (int i = 0; i < (int)N; i++)
using namespace std;
typedef long long ll;
const ll LLINF = 9223372036854775807;
const int MOD = 1000000007;

int main() {
  int N; cin >> N
  string result;
  if (N/100 == N%100) result = "Yes";
  else result = "No";
  cout << result << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:18: error: expected ';' before 'string'
   14 |   int N; cin >> N
      |                  ^
      |                  ;
   15 |   string result;
      |   ~~~~~~          
a.cc:16:23: error: 'result' was not declared in this scope
   16 |   if (N/100 == N%100) result = "Yes";
      |                       ^~~~~~
a.cc:17:8: error: 'result' was not declared in this scope
   17 |   else result = "No";
      |        ^~~~~~
a.cc:18:11: error: 'result' was not declared in this scope
   18 |   cout << result << endl;
      |           ^~~~~~
Language: C++

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

int main() {
	int n,x;
	cin >> n;

	x = n.length();

	int c = 0;
	while (x > c) {
		if (n[c] != n[(x - 1) - c]) {
			cout << "No" << endl;
			return 0;
			
		}
		++c;
	}
	cout << "Yes" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:15: error: request for member 'length' in 'n', which is of non-class type 'int'
    9 |         x = n.length();
      |               ^~~~~~
a.cc:13:22: error: invalid types 'int[int]' for array subscript
   13 |                 if (n[c] != n[(x - 1) - c]) {
      |                      ^
a.cc:13:30: error: invalid types 'int[int]' for array subscript
   13 |                 if (n[c] != n[(x - 1) - c]) {
      |                              ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
  int N;
  cin >> N;
  if(N.str().at(0) == N.str().at(2)) {
    cout << "Yes" << endl;
  }else {
    cout << "No" << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:8: error: request for member 'str' in 'N', which is of non-class type 'int'
    6 |   if(N.str().at(0) == N.str().at(2)) {
      |        ^~~
a.cc:6:25: error: request for member 'str' in 'N', which is of non-class type 'int'
    6 |   if(N.str().at(0) == N.str().at(2)) {
      |                         ^~~
Language: C++

#include <stdio.h>
#include <string.h>

int main(){
	char str[105];
	char str1[105];
	scanf("%s", str);getchar();
	strcpy(str1,str);
	
	char rev[105];
	strcpy(rev,strrev(str));
	if(strcmp(str1, rev)!=0)printf("No\n");
	else printf("Yes\n");
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:20: error: 'strrev' was not declared in this scope; did you mean 'strsep'?
   11 |         strcpy(rev,strrev(str));
      |                    ^~~~~~
      |                    strsep
Language: C++

#include <stdio.h>
#include <string.h>

int main(){
	char str[105];
	char str1[105];
	scanf("%s", str);getchar();
	strcpy(str1,str);
	//printf("%s\n", str1);
	char rev[105];
	strcpy(rev,strrev(str));
	//printf("%s\n%s\n", str1, rev);
	if(strcmp(str1, rev)!=0)printf("No\n");
	else printf("Yes\n");
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:20: error: 'strrev' was not declared in this scope; did you mean 'strsep'?
   11 |         strcpy(rev,strrev(str));
      |                    ^~~~~~
      |                    strsep
Language: C++

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

const int MOD = 1000000007;

//long long
using ll = long long;

//出力系
#define print(x) cout << x << endl
#define yes cout << "Yes" << endl
#define YES cout << "YES" << endl
#define no cout << "No" << endl
#define NO cout << "NO" << endl
 
// begin() end()
#define all(x) (x).begin(),(x).end()

//for
#define REP(i,n) for(long long i=0, i##_len=(n); i<i##_len; ++i)

//最大公約数 
unsigned gcd(unsigned a, unsigned b) {
  if(a < b) return gcd(b, a);
  unsigned r;
  while ((r=a%b)) {
    a = b;
    b = r;
  }
  return b;
}

  
int main() {
string S;
cin >> S;

if(S.at(0) == S.at(2)){
  Yes;
}else No;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:39:3: error: 'Yes' was not declared in this scope; did you mean 'yes'?
   39 |   Yes;
      |   ^~~
      |   yes
a.cc:40:7: error: 'No' was not declared in this scope; did you mean 'NO'?
   40 | }else No;
      |       ^~
      |       NO
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main{
	string s;
	cin >> s;
	string ans = (s[0] == s[2])?"Yes": "No";
	cout << ans << endl;
}

Compiler output:
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main{
      |     ^~~~
a.cc:4:16: error: expected primary-expression before 's'
    4 |         string s;
      |                ^
a.cc:4:16: error: expected '}' before 's'
a.cc:3:9: note: to match this '{'
    3 | int main{
      |         ^
a.cc:5:9: error: 'cin' does not name a type
    5 |         cin >> s;
      |         ^~~
a.cc:6:23: error: 's' was not declared in this scope
    6 |         string ans = (s[0] == s[2])?"Yes": "No";
      |                       ^
a.cc:6:31: error: 's' was not declared in this scope
    6 |         string ans = (s[0] == s[2])?"Yes": "No";
      |                               ^
a.cc:7:9: error: 'cout' does not name a type
    7 |         cout << ans << endl;
      |         ^~~~
a.cc:8:1: error: expected declaration before '}' token
    8 | }
      | ^
Language: C++

#include<stdio.h>
#include<string.h>
int main ()
{
	char arr[1005];
	scanf("%s",arr);
	bool cek=true;
	int pjg=strlen(arr);
	for(int x=0; x<arr; x++)
	{
		if(arr[x]!=arr[pjg-x])
		{
			cek=false;
			break;
		}
	}
	if(cek)
		printf("Yes\n");
	else
		printf("No\n");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:23: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |         for(int x=0; x<arr; x++)
      |                      ~^~~~
Language: C++

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

const int MOD = 1000000007;
const int INF = 1e9;

//long long
using ll = long long;

//出力系
#define print(x) cout << x << endl
#define yes cout << "Yes" << endl
#define YES cout << "YES" << endl
#define no cout << "No" << endl
#define NO cout << "NO" << endl
 
// begin() end()
#define all(x) (x).begin(),(x).end()

//for
#define REP(i,n) for(int i=0, i##_len=(n); i<i##_len; ++i)
#define REPR(i,n) for(int i=n, i##_len=(n); i>=0; i--)
#define FOR(i,a,b) for(int i=(a), i##_len=(b); i<i##_len; ++i)

//最大公約数 
unsigned gcd(unsigned a, unsigned b) {
  if(a < b) return gcd(b, a);
  unsigned r;
  while ((r=a%b)) {
    a = b;
    b = r;
  }
  return b;
} 

int main(){
string N;
cin >> N;

if(N.at(0) == N.at(2)) Yes;
else No;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:40:24: error: 'Yes' was not declared in this scope; did you mean 'yes'?
   40 | if(N.at(0) == N.at(2)) Yes;
      |                        ^~~
      |                        yes
a.cc:41:6: error: 'No' was not declared in this scope; did you mean 'NO'?
   41 | else No;
      |      ^~
      |      NO
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  if(n.at(0)==n.at(2)){
    cout << "Yes" << endl;
  }else{
    cout << "No" << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:8: error: request for member 'at' in 'n', which is of non-class type 'int'
    6 |   if(n.at(0)==n.at(2)){
      |        ^~
a.cc:6:17: error: request for member 'at' in 'n', which is of non-class type 'int'
    6 |   if(n.at(0)==n.at(2)){
      |                 ^~
Language: C++

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

int main(){
  string N;
  cin >>N;
 
  string ans;
  N[0]==N[2] ? ans="Yes" : ans="No"
  cout <<ans<< endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:36: error: expected ';' before 'cout'
    9 |   N[0]==N[2] ? ans="Yes" : ans="No"
      |                                    ^
      |                                    ;
   10 |   cout <<ans<< endl;
      |   ~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
     int a,b;
     cin>>a;
     b=reverse(a.begin(),a.end());
     if(a==b){
       cout<<"Yes"<<endl;
     }
  else{
    cout<<"No"<<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:18: error: request for member 'begin' in 'a', which is of non-class type 'int'
    7 |      b=reverse(a.begin(),a.end());
      |                  ^~~~~
a.cc:7:28: error: request for member 'end' in 'a', which is of non-class type 'int'
    7 |      b=reverse(a.begin(),a.end());
      |                            ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
	
int main(){
	string N;
	cin >> N;
	string n = reverse(N.begin(), N.end());
	if(N == n) cout << "Yes" << endl;
	else cout << "No" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:27: error: conversion from 'void' to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
    8 |         string n = reverse(N.begin(), N.end());
      |                    ~~~~~~~^~~~~~~~~~~~~~~~~~~~
Language: C++

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

int main(){
  string s;
  cin >> s;
  if(s[0]==s[2]) cout << "Yes" << endl;
  else cout << "No" << endl;
}

Compiler output:
a.cc:1:9: fatal error: bits/stdc++: No such file or directory
    1 | #include<bits/stdc++>
      |         ^~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <vector>

using namespace std;

int main(){
  int N;
  cin >> N;
  
  int n = (int)log(N);
  
  vector<char> V(n);
  for(int i = 0; i < n; i++){
    int z = N % 10;
    N /= 10;
    V.push_back(z+'0');
  }
  
  bool ispal = true;
  for(int i = 0; i < n/2; i++){
    if(V[i] != V[V.size() - i - 1]) ispal = false;
  }
  
  if(ispal) cout << "Yes";
  else cout << "No";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:16: error: 'log' was not declared in this scope; did you mean 'long'?
   10 |   int n = (int)log(N);
      |                ^~~
      |                long
Language: C++

#include <iostream>
#include <string>

using namespace std;

int main()
{
  string s;
    cin >> s;
  if (s[0] == s[2])
    cout << "Yes" << endl;
  else
    cout ]< "No" << endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:9: error: expected ';' before ']' token
   13 |     cout ]< "No" << endl;
      |         ^~
      |         ;
Language: C++


#include <iostream>
#include<stdio.h>

using namespace std;

int main()
{
    int n ;
    scanf("%d" , &n)  ;
    ,b,c, sum =0 ;
    b=n;
    if(n>=100 && n<=999)
    {
    while (n)
    {
        c=n%10;
        n=n/10;
        sum = sum *10 + c ;
        
        

    }

    if (b==sum)
       printf( "YES" );
    else
        printf( "NO" );
    }

    return 0;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: expected primary-expression before ',' token
   11 |     ,b,c, sum =0 ;
      |     ^
a.cc:11:6: error: 'b' was not declared in this scope
   11 |     ,b,c, sum =0 ;
      |      ^
a.cc:11:8: error: 'c' was not declared in this scope
   11 |     ,b,c, sum =0 ;
      |        ^
a.cc:11:11: error: 'sum' was not declared in this scope
   11 |     ,b,c, sum =0 ;
      |           ^~~
Language: C++


#include <iostream>
#include<stdio.h>

using namespace std;

int main()
{
    int n ;
    scanf("%d" , &n)  ;
    ,b,c, sum =0 ;
    b=n;
    if(n>=100 && n<=999)
    {
    while (n)
    {
        c=n%10;
        n=n/10;
        sum = sum *10 + c ;
        
        

    }

    if (sum==b)
       printf( "YES" );
    else
        printf( "NO" );
    }

    return 0;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: expected primary-expression before ',' token
   11 |     ,b,c, sum =0 ;
      |     ^
a.cc:11:6: error: 'b' was not declared in this scope
   11 |     ,b,c, sum =0 ;
      |      ^
a.cc:11:8: error: 'c' was not declared in this scope
   11 |     ,b,c, sum =0 ;
      |        ^
a.cc:11:11: error: 'sum' was not declared in this scope
   11 |     ,b,c, sum =0 ;
      |           ^~~
Language: C++


#include <iostream>
#include<stdio.h>

using namespace std;

int main()
{
    int n ;
    ccanf("%d" , &n)  ;
    ,b,c, sum =0 ;
    b=n;
    if(n>=100 && n<=999)
    {
    while (n)
    {
        c=n%10;
        n=n/10;
        sum = sum *10 + c ;
        
        

    }

    if (sum==b)
       printf( "YES" );
    else
        printf( "NO" );
    }

    return 0;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: 'ccanf' was not declared in this scope; did you mean 'scanf'?
   10 |     ccanf("%d" , &n)  ;
      |     ^~~~~
      |     scanf
a.cc:11:5: error: expected primary-expression before ',' token
   11 |     ,b,c, sum =0 ;
      |     ^
a.cc:11:6: error: 'b' was not declared in this scope
   11 |     ,b,c, sum =0 ;
      |      ^
a.cc:11:8: error: 'c' was not declared in this scope
   11 |     ,b,c, sum =0 ;
      |        ^
a.cc:11:11: error: 'sum' was not declared in this scope
   11 |     ,b,c, sum =0 ;
      |           ^~~
Language: C++


#include <iostream>
#include<stdio.h>
using namespace std;

int main()
{
    int n,b,c, sum =0 ;
    scanf("%d" , &n)
    b=n;
    if(n>=100 && n<=999)
    {
    while (n)
    {
        c=n%10;
        n=n/10;
        sum = sum *10 + c ;
        
        

    }

    if (sum==b)
       printf( "YES");
    else
        printf( "NO");
    }

    return 0;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:9:21: error: expected ';' before 'b'
    9 |     scanf("%d" , &n)
      |                     ^
      |                     ;
   10 |     b=n;
      |     ~
Language: C++

#include<bits/stdc++.h>
using namespace std;
 
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
string a;
cin >> a;
(a[0] == a[2]) ? cout << “Yes\n” : cout << “No\n”;
return 0;
}


Compiler output:
a.cc:10:26: error: extended character “ is not valid in an identifier
   10 | (a[0] == a[2]) ? cout << “Yes\n” : cout << “No\n”;
      |                          ^
a.cc:10:30: error: stray '\' in program
   10 | (a[0] == a[2]) ? cout << “Yes\n” : cout << “No\n”;
      |                              ^
a.cc:10:31: error: extended character ” is not valid in an identifier
   10 | (a[0] == a[2]) ? cout << “Yes\n” : cout << “No\n”;
      |                               ^
a.cc:10:44: error: extended character “ is not valid in an identifier
   10 | (a[0] == a[2]) ? cout << “Yes\n” : cout << “No\n”;
      |                                            ^
a.cc:10:47: error: stray '\' in program
   10 | (a[0] == a[2]) ? cout << “Yes\n” : cout << “No\n”;
      |                                               ^
a.cc:10:48: error: extended character ” is not valid in an identifier
   10 | (a[0] == a[2]) ? cout << “Yes\n” : cout << “No\n”;
      |                                                ^
a.cc: In function 'int main()':
a.cc:10:26: error: '\U0000201cYes' was not declared in this scope
   10 | (a[0] == a[2]) ? cout << “Yes\n” : cout << “No\n”;
      |                          ^~~~
a.cc:10:30: error: expected ':' before 'n\U0000201d'
   10 | (a[0] == a[2]) ? cout << “Yes\n” : cout << “No\n”;
      |                              ^~~
      |                              :
a.cc:10:34: error: found ':' in nested-name-specifier, expected '::'
   10 | (a[0] == a[2]) ? cout << “Yes\n” : cout << “No\n”;
      |                                  ^
      |                                  ::
a.cc:10:31: error: 'n\U0000201d' has not been declared
   10 | (a[0] == a[2]) ? cout << “Yes\n” : cout << “No\n”;
      |                               ^~
a.cc:10:44: error: '\U0000201cNo' was not declared in this scope
   10 | (a[0] == a[2]) ? cout << “Yes\n” : cout << “No\n”;
      |                                            ^~~
Language: C++


#include<stdio.h>
using namespace std;
int main(){
	int n;
	scanf("%d",&n);
	int r,sum=0,x;
	x=n;
	if((n>=100)&&(n<=999)){
		while(n){
			r=n%10;
			n=n/10;
			sum=sum*10+r;
		}
		if(x==sum)
		printf("Yes");
		else 
		printf("No");
	}
	return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:20:18: error: expected '}' at end of input
   20 |         return 0;
      |                  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
#include<cmath>
#include<cstdlib>
#include<tuple>
#include<iomanip>
#include<map>
#define int long long
using namespace std;

signed main() {
	int A,B,C,D;
	cin >> A >> B >> C >> D;
	int upper = max(A,C);
	int lower = min(B,D);
	cout << max(0,lower - upper) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:20: error: no matching function for call to 'max(int, long long int)'
   18 |         cout << max(0,lower - upper) << 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:   template argument deduction/substitution failed:
a.cc:18:20: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   18 |         cout << max(0,lower - upper) << endl;
      |                 ~~~^~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:4:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:18:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   18 |         cout << max(0,lower - upper) << endl;
      |                 ~~~^~~~~~~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  char a[3];
  cin>>a;
  char &n = a;
  char &x=a[2];
  a[2]=a[0];
  a[0]=x;
  if(n==a)
  
  cout << "Yes" <<endl;
  else cout <<"No"<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:13: error: invalid conversion from 'char*' to 'char' [-fpermissive]
    6 |   char &n = a;
      |             ^
      |             |
      |             char*
a.cc:6:13: error: cannot bind rvalue '(char)((char*)(& a))' to 'char&'
a.cc:10:7: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   10 |   if(n==a)
      |      ~^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  char a[3];
  cin>>a;
  char n = a;
  char x=a[2];
  a[2]=a[0];
  a[0]=x;
  if(n==a)
  
  cout << "Yes" <<endl;
  else cout <<"No"<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:12: error: invalid conversion from 'char*' to 'char' [-fpermissive]
    6 |   char n = a;
      |            ^
      |            |
      |            char*
a.cc:10:7: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   10 |   if(n==a)
      |      ~^~~
Language: C++

#include <iostream>

using namespace std;

int main(){
    int N;
    //3桁の正の数Nを定義
    cin >> N;
    //Nの順で
    if(N[0] == N[2]){ //配列は0から数えるので1番目の0と3番目の2
        cout << "Yes" endl;
        //100桁の位の数と1のくらいの数が一致すればYesと出力
    } else {
        cout << "No" << endl;
        //それ以外はNoと出力
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: invalid types 'int[int]' for array subscript
   10 |     if(N[0] == N[2]){ //配列は0から数えるので1番目の0と3番目の2
      |         ^
a.cc:10:17: error: invalid types 'int[int]' for array subscript
   10 |     if(N[0] == N[2]){ //配列は0から数えるので1番目の0と3番目の2
      |                 ^
a.cc:11:22: error: expected ';' before 'endl'
   11 |         cout << "Yes" endl;
      |                      ^~~~~
      |                      ;
Language: C++

#include <iostream>

using namespace std;

int main(){
    int N;
    //3桁の正の数Nを定義
    cin >> N;
    //Nの順で
    if(N[0] == N[2]){ //配列は0から数えるので1番目の0と3番目の2
        cout << "Yes" endl;
        //100桁の位の数と1のくらいの数が一致すればYesと出力
    } else {
        cout << "No" << endl
        //それ以外はNoと出力
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: invalid types 'int[int]' for array subscript
   10 |     if(N[0] == N[2]){ //配列は0から数えるので1番目の0と3番目の2
      |         ^
a.cc:10:17: error: invalid types 'int[int]' for array subscript
   10 |     if(N[0] == N[2]){ //配列は0から数えるので1番目の0と3番目の2
      |                 ^
a.cc:11:22: error: expected ';' before 'endl'
   11 |         cout << "Yes" endl;
      |                      ^~~~~
      |                      ;
a.cc:14:29: error: expected ';' before '}' token
   14 |         cout << "No" << endl
      |                             ^
      |                             ;
   15 |         //それ以外はNoと出力
   16 |     }
      |     ~
Language: C++

int main()
{
	int n=2;
	string s;
    cin>>s;
   for(int i=0;i<=n;i++)
  	if(s[0]==s[n])
   		cout<<"yes\n";
   
   	else
  
   		 cout<<"no\n";	
 			 	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:9: error: 'string' was not declared in this scope
    4 |         string s;
      |         ^~~~~~
a.cc:5:5: error: 'cin' was not declared in this scope
    5 |     cin>>s;
      |     ^~~
a.cc:5:10: error: 's' was not declared in this scope
    5 |     cin>>s;
      |          ^
a.cc:8:17: error: 'cout' was not declared in this scope
    8 |                 cout<<"yes\n";
      |                 ^~~~
a.cc:12:18: error: 'cout' was not declared in this scope
   12 |                  cout<<"no\n";
      |                  ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
string s;
cin>>s;
int p=s.size();
int x=p/2;
for(int i=0;i<x;++i)
if (s[i]==s[p-i-1]
cout<<"yes";
else
cout<<"no";
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:19: error: expected ';' before 'cout'
   10 | if (s[i]==s[p-i-1]
      |                   ^
      |                   ;
   11 | cout<<"yes";
      | ~~~~               
a.cc:12:1: error: expected primary-expression before 'else'
   12 | else
      | ^~~~
a.cc:11:13: error: expected ')' before 'else'
   11 | cout<<"yes";
      |             ^
      |             )
   12 | else
      | ~~~~         
a.cc:10:4: note: to match this '('
   10 | if (s[i]==s[p-i-1]
      |    ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
string s;
cin>>s;
int p=s.size();
int x=p/2;
for(int i=0;i<x;++i)
if (s[i]==s[p-i-1]
cout<<"yes";
else
cout<<"no";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:19: error: expected ';' before 'cout'
   10 | if (s[i]==s[p-i-1]
      |                   ^
      |                   ;
   11 | cout<<"yes";
      | ~~~~               
a.cc:12:1: error: expected primary-expression before 'else'
   12 | else
      | ^~~~
a.cc:11:13: error: expected ')' before 'else'
   11 | cout<<"yes";
      |             ^
      |             )
   12 | else
      | ~~~~         
a.cc:10:4: note: to match this '('
   10 | if (s[i]==s[p-i-1]
      |    ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
string s;
cins;
int p=s.size();
int x=p/2;
for(int i=0;i<x;++i)

if (s[i]==s[p-i-1];
cout<<"yes";
else
cout<<"no";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:1: error: 'cins' was not declared in this scope
    6 | cins;
      | ^~~~
a.cc:12:12: error: expected ')' before ';' token
   12 | cout<<"yes";
      |            ^
      |            )
a.cc:11:4: note: to match this '('
   11 | if (s[i]==s[p-i-1];
      |    ^
Language: C++

#include <iostream>
using namespace std;
int main()
{
     int X,N, digit, rev = 0;
     cout << "Enter a positive number: ";
     cin >>N;
     X=N;
     do
     {
         digit =N % 10;
         rev = (rev * 10) + digit;
         num =N/ 10;
     } while (N!= 0);
     cout << " The reverse of the number is: " << rev << endl;
     if (X== rev)
         cout <<"N="<<N<<" is also "<<rev<<"when read backward, so it is a palindromic number.\n";
     else
         cout <<"N="<<N<<" becomes "<<rev<<" when read backward, so it is not a palindromic number.\n";
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:10: error: 'num' was not declared in this scope; did you mean 'enum'?
   13 |          num =N/ 10;
      |          ^~~
      |          enum
Language: C++

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

int main() {
  int n;
  cin>>n;
  if(n[0]==n[2]){
    cout<<"Yes"<<endl;
  }
  else{
    cout<<"No"<<endl;
  }
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:7: error: invalid types 'int[int]' for array subscript
    7 |   if(n[0]==n[2]){
      |       ^
a.cc:7:13: error: invalid types 'int[int]' for array subscript
    7 |   if(n[0]==n[2]){
      |             ^
Language: C++

#include<iostream>
using namespace std;
int main(){
	int n, num, d, rev = 0;
	cin>>num;
	n =num;
	do
	{	
	d= num % 10;
    rev = (rev * 10) + d;
    num= num / 10;
}
while(num != 0);
   if (n == re) 
         cout<<" Yes";
    
        else
	  	cout<<"No";
	  	return 0;
	  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:13: error: 're' was not declared in this scope; did you mean 'rev'?
   14 |    if (n == re)
      |             ^~
      |             rev
Language: C++

#include<iostream>
using namespace std;
int main(){
	int n, num, d, re =0;
	cin>>num;
	n =num;
	do
	{	
	d= num % 10;
            re = (re * 10) + d;
           num= num / 10;
}
while(num!=0)
   if (n == re) 
         cout<<" Yes";
    
        else
	  	cout<<"No";
	  	return 0;
	  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:14: error: expected ';' before 'if'
   13 | while(num!=0)
      |              ^
      |              ;
   14 |    if (n == re)
      |    ~~
Language: C++

#include<iostream>
using namespace std;
int main(){
	int n, num, d, re =0;
	cin>>num;
	n =num;
	do
	{	
	d= num % 10;
            re = (re * 10) + d;
           num= num / 10;
}
while(num!=0)
   if (n == re) {
         cout<<"Yes";
     }
        else{
	  	cout<<"No";
	  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:14: error: expected ';' before 'if'
   13 | while(num!=0)
      |              ^
      |              ;
   14 |    if (n == re) {
      |    ~~
Language: C++

#include<iostream>
using namespace std;
int main(){
	int n,re=0,r,num;
	cin>>num;
	n =num;
	do
	{	
	r= num % 10;
            re = (re * 10) + r;
           num= num / 10;
}
while(num!=0)
   if (n == re) {
         cout<<"Yes";
     }
        else{
	  	cout<<"No";
	  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:14: error: expected ';' before 'if'
   13 | while(num!=0)
      |              ^
      |              ;
   14 |    if (n == re) {
      |    ~~
Language: C++

#include<iostream>
using namespace std;
int main(){
	int n,re=0,r,num;
	cin>>num;
	n =num;
	do
	{	
	r= num % 10;
            re = (re * 10) + r;
           num= num / 10;
}
while(num!=0)
   if (n == re) 
         cout<<"YES"<<endl;
        else
        	cout<<"NO<<endl;
return 0;
}

Compiler output:
a.cc:17:23: warning: missing terminating " character
   17 |                 cout<<"NO<<endl;
      |                       ^
a.cc:17:23: error: missing terminating " character
   17 |                 cout<<"NO<<endl;
      |                       ^~~~~~~~~~
a.cc: In function 'int main()':
a.cc:13:14: error: expected ';' before 'if'
   13 | while(num!=0)
      |              ^
      |              ;
   14 |    if (n == re)
      |    ~~         
a.cc:18:1: error: expected primary-expression before 'return'
   18 | return 0;
      | ^~~~~~
Language: C++

#include<iostream>
using namespace std;
int main(){
	int n,re=0,r,num;
	cin>>num;
	n =num;
	do
	{
	  	
			r= num % 10;
            re = (re * 10) + r;
           num= num / 10;
}
while(num!=0)
   if (n == re) 
         cout<<"YES";
        else
        	cout<<"NO";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:14: error: expected ';' before 'if'
   14 | while(num!=0)
      |              ^
      |              ;
   15 |    if (n == re)
      |    ~~
Language: C++

#include<iostream>
using namespace std;
int main(){
	int n,re=0,r,num;
	cin>>num;
	n =num;
	do
	{
	  	
			r= num % 10;
            r = (r * 10) + re;
           num= num / 10;
}
while(num!=0)
   if (n == r) 
         cout<<"YES";
        else
        	cout<<"NO";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:14: error: expected ';' before 'if'
   14 | while(num!=0)
      |              ^
      |              ;
   15 |    if (n == r)
      |    ~~
Language: C++

#include <iostream>
using namespace std;
int main(){
string x;
cin>>x;
if(x[0]==x[2])
cout<<"Yes";
else
cout<<"No";

Compiler output:
a.cc: In function 'int main()':
a.cc:9:12: error: expected '}' at end of input
    9 | cout<<"No";
      |            ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
	int n,f,b,z,x;
	scanf("%d",&n);
	b=n/100;
	z=(n/10)%10;
	x=n%10;
	f=(x*100)+(z*10)+b;
	if(f==n){
	
	cout<<"yes";
	else
	cout<<"no";
}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: expected '}' before 'else'
   14 |         else
      |         ^~~~
a.cc:11:17: note: to match this '{'
   11 |         if(f==n){
      |                 ^
a.cc: At global scope:
a.cc:17:1: error: expected declaration before '}' token
   17 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
	int n,f,b,z,x;
	scanf("%d",&n);
	b=n/100;
	z=(n/10)%10;
	x=n%10;
	f=(x*100)+(z*10)+b;
	if(f==n){
	
	cout<<"yes";
	else
	cout<<"no";
}}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: expected '}' before 'else'
   14 |         else
      |         ^~~~
a.cc:11:17: note: to match this '{'
   11 |         if(f==n){
      |                 ^
a.cc: At global scope:
a.cc:16:2: error: expected declaration before '}' token
   16 | }}
      |  ^
Language: C++

 #include<iostream>
 using namespace std;
int main(){
	int dig,rev,num;
	cin>>num;
	while (num > 0)
{
    dig = num % 10;
    rev = rev * 10 + dig;
    num = num / 10;
}

    if(rev==num)
    cout<<"yes";
    else
    cout<<"no";


Compiler output:
a.cc: In function 'int main()':
a.cc:16:16: error: expected '}' at end of input
   16 |     cout<<"no";
      |                ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include <iostream>
using namespace std;
int main(){
int N;
cin>>N;
if(100<=N&&N<=999)
{
if((N/100%10)==(y%10)){
cout<<"yes";
       }
else{
cout<<"No";
    }
}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:17: error: 'y' was not declared in this scope
    8 | if((N/100%10)==(y%10)){
      |                 ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
   int n,num,x,rev=0;
   cin>>num;
n=num
while(num!=0){
    x=num%10;
rev*=10+x;
num/=10;
}
if(n==rev)
   {
 cout<<"Yes";
}
else 
{
cout<<"No";
}
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:6: error: expected ';' before 'while'
    7 | n=num
      |      ^
      |      ;
    8 | while(num!=0){
      | ~~~~~
Language: C++

#include<iostream>
using namespace std;
int main()
{
   int n,num,x,rev=0;
   cin>>num;
n=num
while(num!=0){
    x=num%10;
rev*=10+x;
num/=10;
}
if(n==rev)
    cout<<"Yes";
else 
cout<<"No";
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:6: error: expected ';' before 'while'
    7 | n=num
      |      ^
      |      ;
    8 | while(num!=0){
      | ~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
   int n,num,x,rev=0;
   cin>>num;
n=num;
while(num!=0){
    x=num%10;
rev*=10+x;
num/=10;
}
if(n==rev)
    cout<<"Yes";
elsecout<<"No";
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:1: error: 'elsecout' was not declared in this scope
   15 | elsecout<<"No";
      | ^~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
   int n,x,rev=0;
   cin>>n;
while(n!=0){
    x=n%10;
rev*=10+x;
n/=10;
}
if(n==rev)
    cout<<"Yes";
elsecout<<"No";
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:1: error: 'elsecout' was not declared in this scope
   14 | elsecout<<"No";
      | ^~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
/	int n,d,x,r=0;
	scanf("%d",&x);
	n=x;
	while(x!=0){
		d=x%10;
		r=r*10+d;
		x=x/10;
	}
	if(r==n)
	printf("Yes");
	else
	printf("No");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:1: error: expected primary-expression before '/' token
    4 | /       int n,d,x,r=0;
      | ^
a.cc:4:9: error: expected primary-expression before 'int'
    4 | /       int n,d,x,r=0;
      |         ^~~
a.cc:5:21: error: 'x' was not declared in this scope
    5 |         scanf("%d",&x);
      |                     ^
a.cc:6:9: error: 'n' was not declared in this scope; did you mean 'yn'?
    6 |         n=x;
      |         ^
      |         yn
a.cc:8:17: error: 'd' was not declared in this scope
    8 |                 d=x%10;
      |                 ^
a.cc:9:17: error: 'r' was not declared in this scope
    9 |                 r=r*10+d;
      |                 ^
a.cc:12:12: error: 'r' was not declared in this scope
   12 |         if(r==n)
      |            ^
Language: C++

#include <iostream>
using namespace std;
int main() {
	int n,f,s,t;
	cin >> n;
	t = n % 10;
	s = (n/10) % 10;
	f = (n/10) / 10;
	
	if (f == t)
		cout << "Yes";;;;
	else
		cout << "No";

}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: 'else' without a previous 'if'
   12 |         else
      |         ^~~~
Language: C++

#include <iostream >
using namespace std;
int main() {
	char a[3];
	cin >> a; 
	if (a[0] == a[2])
		cout << "YES";
	else
		cout << "NO";




}

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

#include<bits/stdc++.h>
using namespace std;
int main()
{
   int n,x,y,z;
   cin>>n;
   if()
   x=n%10;
   y=n-x;
   z=(y-(y%100))/100;
   if(x==z)
    cout<<"yes";
    else
        cout<<"no";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:7: error: expected primary-expression before ')' token
    7 |    if()
      |       ^
Language: C++

#include<iostream>
#include<stdio.h>
#include<bits/stdc++.h>
#include<conio.h>
using namespace std;
int main(){
	int n;
	scanf("%d",&n);
	
	int rem,sum=0,temp;
	temp=n;
	while(n){
		rem=n%10;
		n=n/10;
		sum=sum*10+rem;
	}
	if(temp==sum)
	printf("yes");
	else
	printf("no");
	return 0;
}

Compiler output:
a.cc:4:9: fatal error: conio.h: No such file or directory
    4 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.