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

滅びを知る者、いずれ安らぎを得る果報者たちよ。我が羨望！我が憎悪！死の痛みをもって知るがいい！
滅びの定めにすら見放された、我が永遠の孤独。空よ！雲よ！憐みの涙で命を呪え！

Compiler output:
a.cc:1:1: error: extended character 、 is not valid in an identifier
    1 | 滅びを知る者、いずれ安らぎを得る果報者たちよ。我が羨望！我が憎悪！死の痛みをもって知るがいい！
      | ^
a.cc:1:1: error: extended character 。 is not valid in an identifier
a.cc:2:1: error: extended character 、 is not valid in an identifier
    2 | 滅びの定めにすら見放された、我が永遠の孤独。空よ！雲よ！憐みの涙で命を呪え！
      | ^
a.cc:2:1: error: extended character 。 is not valid in an identifier
a.cc:1:1: error: '\U00006ec5\U00003073\U00003092\U000077e5\U0000308b\U00008005\U00003001\U00003044\U0000305a\U0000308c\U00005b89\U00003089\U0000304e\U00003092\U00005f97\U0000308b\U0000679c\U00005831\U00008005\U0000305f\U00003061\U00003088\U00003002\U00006211\U0000304c\U00007fa8\U0000671b\U0000ff01\U00006211\U0000304c\U0000618e\U000060aa\U0000ff01\U00006b7b\U0000306e\U000075db\U0000307f\U00003092\U00003082\U00003063\U00003066\U000077e5\U0000308b\U0000304c\U00003044\U00003044\U0000ff01' does not name a type
    1 | 滅びを知る者、いずれ安らぎを得る果報者たちよ。我が羨望！我が憎悪！死の痛みをもって知るがいい！
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Language: C++

def main():
    R1, R2 = map(int, input().split())
    ans = R1 * R2 / (R1 + R2)
    print(ans)


if __name__ == "__main__":
    main()


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

#include<bits/stdc++.h>
using namespace std;
int main(){
  long double a,b;
  cin >> a >> b;
  cout fixed << setprecision(15) << 1/(1/a+1/b);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:7: error: expected ';' before 'fixed'
    6 |   cout fixed << setprecision(15) << 1/(1/a+1/b);
      |       ^~~~~~
      |       ;
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const double pi = acos(-1);
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
REP(i,v.size()){if(i)os<<" ";os<<v[i];}return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
REP(i,v.size()){if(i)os<<endl;os<<v[i];}return os;}

int main() {
    // Write Your Code Below
   ll a, b;
   cin >> a >> b;
   cout << fixed <<setprecision(10)
   double x; x = 1/double(a) + 1/double(b);
   double ans; ans = 1/double(x);
    cout << ans << endl; 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:36: error: expected ';' before 'double'
   21 |    cout << fixed <<setprecision(10)
      |                                    ^
      |                                    ;
   22 |    double x; x = 1/double(a) + 1/double(b);
      |    ~~~~~~                           
a.cc:22:14: error: 'x' was not declared in this scope
   22 |    double x; x = 1/double(a) + 1/double(b);
      |              ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const double pi = acos(-1);
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
REP(i,v.size()){if(i)os<<" ";os<<v[i];}return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
REP(i,v.size()){if(i)os<<endl;os<<v[i];}return os;}

int main() {
    // Write Your Code Below
   ll a, b;
   double x; x = double 1/(a) + double 1/(b);
   double ans; ans = double 1/x;
    cout << ans << endl; 
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:18: error: expected primary-expression before 'double'
   20 |    double x; x = double 1/(a) + double 1/(b);
      |                  ^~~~~~
a.cc:21:22: error: expected primary-expression before 'double'
   21 |    double ans; ans = double 1/x;
      |                      ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const double pi = acos(-1);
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
REP(i,v.size()){if(i)os<<" ";os<<v[i];}return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
REP(i,v.size()){if(i)os<<endl;os<<v[i];}return os;}

int main() {
    // Write Your Code Below
   ll a, b;
   ans; 1/ans=1/a+1/b;
    cout<< ans <<endl;
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:4: error: 'ans' was not declared in this scope; did you mean 'abs'?
   20 |    ans; 1/ans=1/a+1/b;
      |    ^~~
      |    abs
Language: C++

int main() {
    // Write Your Code Below
    double a,b;
    cin >> a >> b;
    double c = 1/a + 1/b;
     cout << fixed << setprecision(10);
    cout << 1/c << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: 'cin' was not declared in this scope
    4 |     cin >> a >> b;
      |     ^~~
a.cc:6:6: error: 'cout' was not declared in this scope
    6 |      cout << fixed << setprecision(10);
      |      ^~~~
a.cc:6:14: error: 'fixed' was not declared in this scope
    6 |      cout << fixed << setprecision(10);
      |              ^~~~~
a.cc:6:23: error: 'setprecision' was not declared in this scope
    6 |      cout << fixed << setprecision(10);
      |                       ^~~~~~~~~~~~
a.cc:7:20: error: 'endl' was not declared in this scope
    7 |     cout << 1/c << endl;
      |                    ^~~~
Language: C++

int main() {
  cin >> a >> b;
cout << fixed << setprecision(10);
  cout << 1/(1/a + 1/b) < endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:2:3: error: 'cin' was not declared in this scope
    2 |   cin >> a >> b;
      |   ^~~
a.cc:2:10: error: 'a' was not declared in this scope
    2 |   cin >> a >> b;
      |          ^
a.cc:2:15: error: 'b' was not declared in this scope
    2 |   cin >> a >> b;
      |               ^
a.cc:3:1: error: 'cout' was not declared in this scope
    3 | cout << fixed << setprecision(10);
      | ^~~~
a.cc:3:9: error: 'fixed' was not declared in this scope
    3 | cout << fixed << setprecision(10);
      |         ^~~~~
a.cc:3:18: error: 'setprecision' was not declared in this scope
    3 | cout << fixed << setprecision(10);
      |                  ^~~~~~~~~~~~
a.cc:4:27: error: 'endl' was not declared in this scope
    4 |   cout << 1/(1/a + 1/b) < endl;
      |                           ^~~~
Language: C++

#include <iostream>
#include <string>

using namespace std;

int main() {

    double R1,R2;
    double R3;

    cin>>R1>>R2;

    R3 = (R1 * R2)/(R1 + R2);

    cout<< R3 <<endl;
    cout << fixed << setprecision(10);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:22: error: 'setprecision' was not declared in this scope
   16 |     cout << fixed << setprecision(10);
      |                      ^~~~~~~~~~~~
a.cc:2:1: note: 'std::setprecision' is defined in header '<iomanip>'; this is probably fixable by adding '#include <iomanip>'
    1 | #include <iostream>
  +++ |+#include <iomanip>
    2 | #include <string>
Language: C++

int main() {
    // Write Your Code Below
double R1, R2;
  cin >>R1>>R2;
  double ans=(double (1./R1)+double (1./R2));
  cout <<ans<<endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'cin' was not declared in this scope
    4 |   cin >>R1>>R2;
      |   ^~~
a.cc:6:3: error: 'cout' was not declared in this scope
    6 |   cout <<ans<<endl;
      |   ^~~~
a.cc:6:15: error: 'endl' was not declared in this scope
    6 |   cout <<ans<<endl;
      |               ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const double pi = acos(-1);
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
REP(i,v.size()){if(i)os<<" ";os<<v[i];}return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
REP(i,v.size()){if(i)os<<endl;os<<v[i];}return os;}

int main() {
        double A, B  ;
        cin >> A >> B  ;
        cout << fixed << setprecision(100)
        cout << (A*B)/(A+B) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:43: error: expected ';' before 'cout'
   20 |         cout << fixed << setprecision(100)
      |                                           ^
      |                                           ;
   21 |         cout << (A*B)/(A+B) << endl;
      |         ~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const double pi = acos(-1);
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
REP(i,v.size()){if(i)os<<" ";os<<v[i];}return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
REP(i,v.size()){if(i)os<<endl;os<<v[i];}return os;}

int main() {
        double A, B  ;
        cin >> A >> B  ;
        cout << fixed << setprecision(10000000009) ;
        cout << (AB)/(A+B) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:39: warning: overflow in conversion from 'long int' to 'int' changes value from '10000000009' to '1410065417' [-Woverflow]
   20 |         cout << fixed << setprecision(10000000009) ;
      |                                       ^~~~~~~~~~~
a.cc:21:18: error: 'AB' was not declared in this scope; did you mean 'B'?
   21 |         cout << (AB)/(A+B) << endl;
      |                  ^~
      |                  B
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const double pi = acos(-1);
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
REP(i,v.size()){if(i)os<<" ";os<<v[i];}return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
REP(i,v.size()){if(i)os<<endl;os<<v[i];}return os;}

int main() {
        double A, B  ;
        cin >> A >> B  ;
        cout << fixed << setprecision(1000000000000)
        cout << (A*B)/(A+B) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:39: warning: overflow in conversion from 'long int' to 'int' changes value from '1000000000000' to '-727379968' [-Woverflow]
   20 |         cout << fixed << setprecision(1000000000000)
      |                                       ^~~~~~~~~~~~~
a.cc:20:53: error: expected ';' before 'cout'
   20 |         cout << fixed << setprecision(1000000000000)
      |                                                     ^
      |                                                     ;
   21 |         cout << (A*B)/(A+B) << endl;
      |         ~~~~
Language: C++

int main() {
    // Write Your Code Below
ll R1, R2;
  cin >>R1>>R2;
  double ans=(double(1/R1)+double(1/R2));
  cout <<ans<<endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:3:1: error: 'll' was not declared in this scope
    3 | ll R1, R2;
      | ^~
a.cc:4:3: error: 'cin' was not declared in this scope
    4 |   cin >>R1>>R2;
      |   ^~~
a.cc:4:9: error: 'R1' was not declared in this scope
    4 |   cin >>R1>>R2;
      |         ^~
a.cc:4:13: error: 'R2' was not declared in this scope
    4 |   cin >>R1>>R2;
      |             ^~
a.cc:6:3: error: 'cout' was not declared in this scope
    6 |   cout <<ans<<endl;
      |   ^~~~
a.cc:6:15: error: 'endl' was not declared in this scope
    6 |   cout <<ans<<endl;
      |               ^~~~
Language: C++

int main() {
    // Write Your Code Below
ll R1, R2;
  cin >>R1>>R2;
  double ans=(double(R1)+double(R2));
  cout <<ans<<endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:3:1: error: 'll' was not declared in this scope
    3 | ll R1, R2;
      | ^~
a.cc:4:3: error: 'cin' was not declared in this scope
    4 |   cin >>R1>>R2;
      |   ^~~
a.cc:4:9: error: 'R1' was not declared in this scope
    4 |   cin >>R1>>R2;
      |         ^~
a.cc:4:13: error: 'R2' was not declared in this scope
    4 |   cin >>R1>>R2;
      |             ^~
a.cc:6:3: error: 'cout' was not declared in this scope
    6 |   cout <<ans<<endl;
      |   ^~~~
a.cc:6:15: error: 'endl' was not declared in this scope
    6 |   cout <<ans<<endl;
      |               ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const double pi = acos(-1);
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
REP(i,v.size()){if(i)os<<" ";os<<v[i];}return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
REP(i,v.size()){if(i)os<<endl;os<<v[i];}return os;}

int main() {
        double A, B  ;
        cin >> A >> B  ;
  
        cout << (AB)/(A+B) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:18: error: 'AB' was not declared in this scope; did you mean 'B'?
   21 |         cout << (AB)/(A+B) << endl;
      |                  ^~
      |                  B
Language: C++

int main() {
  ll R1, R2;
  cin >>R1>>R2;
  double (ans=double(R1)+double(R2))
}

Compiler output:
a.cc: In function 'int main()':
a.cc:2:3: error: 'll' was not declared in this scope
    2 |   ll R1, R2;
      |   ^~
a.cc:3:3: error: 'cin' was not declared in this scope
    3 |   cin >>R1>>R2;
      |   ^~~
a.cc:3:9: error: 'R1' was not declared in this scope
    3 |   cin >>R1>>R2;
      |         ^~
a.cc:3:13: error: 'R2' was not declared in this scope
    3 |   cin >>R1>>R2;
      |             ^~
a.cc:4:11: error: 'ans' was not declared in this scope
    4 |   double (ans=double(R1)+double(R2))
      |           ^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const double pi = acos(-1);
#define FOR(i,a,b) for (ll i=(a),__last_##i=(b);i<__last_##i;i++)
#define RFOR(i,a,b) for (ll i=(b)-1,__last_##i=(a);i>=__last_##i;i--)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) RFOR(i,0,n)
#define __GET_MACRO3(_1, _2, _3, NAME, ...) NAME
#define rep(...) __GET_MACRO3(__VA_ARGS__, FOR, REP)(__VA_ARGS__)
#define rrep(...) __GET_MACRO3(__VA_ARGS__, RFOR, RREP)(__VA_ARGS__)
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v) {
REP(i,v.size()){if(i)os<<" ";os<<v[i];}return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v) {
REP(i,v.size()){if(i)os<<endl;os<<v[i];}return os;}

int main() {
        double A, B,  ;
        cin >> A >> B  ;
  
        cout << 1./((1./A)+(1./B)) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:23: error: expected unqualified-id before ';' token
   18 |         double A, B,  ;
      |                       ^
Language: Java

java.util.*;
class Main
{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    System.out.println(1 / ( ( 1 / sc.nextInt() ) + ( 1 / sc.nextInt() ) ) );
  }
}

Compiler output:
Main.java:1: error: class, interface, enum, or record expected
java.util.*;
^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  double a,b;
  cin>>a>>b;
  printf("%.12lf\n"a*b/(a+b));
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:10: error: unable to find string literal operator 'operator""a' with 'const char [8]', 'long unsigned int' arguments
    6 |   printf("%.12lf\n"a*b/(a+b));
      |          ^~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  double a,b;
  cin>>a>>b;
  printf("%12lf\n"a*b/(a+b));
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:10: error: unable to find string literal operator 'operator""a' with 'const char [7]', 'long unsigned int' arguments
    6 |   printf("%12lf\n"a*b/(a+b));
      |          ^~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b;              
    scanf("%d %d",&a,&b);        
    printf("%.10f\n",a*b/(a+b));
}
}

Compiler output:
a.cc:8:1: error: expected declaration before '}' token
    8 | }
      | ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int mai ()
{
  string s;
  cin>>s;
  bool tmp = false;
  if (s.size() %2 !=0){ cout<<"No"<<endl;}
  else {
    for (int i = 0; i < s.size(); ++i)
    {
      int n = s.size()-1-i;
      if (s[i]=='b' && s[n] != 'd') tmp = false;
      if (s[i]=='d' && s[n] != 'b') tmp = false;
      if (s[i]=='q' && s[n] != 'p') tmp = false;
      if (s[i]=='p' && s[n] != 'q') tmp = false;

    }
    if (tmp == true) cout<<"Yes"<<endl;
    else cout<<"No"<<endl;
  }
  return 0;
}

Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
  long double r1;
  long double r2;
  printf("%.15Lf\n", 1 / ((1 / p1) + (1 / p2)));
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:32: error: 'p1' was not declared in this scope; did you mean 'r1'?
    7 |   printf("%.15Lf\n", 1 / ((1 / p1) + (1 / p2)));
      |                                ^~
      |                                r1
a.cc:7:43: error: 'p2' was not declared in this scope; did you mean 'r2'?
    7 |   printf("%.15Lf\n", 1 / ((1 / p1) + (1 / p2)));
      |                                           ^~
      |                                           r2
Language: C++

#include<iostream>
#include<algorithm>
#include<math.h>
#include<cstdio>
#include<ctype.h>
#include<stdio.h>
#include<set>
#include<vector>
#include<map>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<numeric>
#include<string>
using namespace std;
typedef long long ll;

ll ds(ll digit) {
	ll res = 0;
	while (digit!=0) {
		res += digit % 10;
		digit /= 10;
	}
	return res;
}
ll MOD = 1000000007;
int main() {
	long double x, y;
	cin >> x >> y;
	long double z = x * y / (x + y);
	cout <<fixed<<subscription(8)<< z << endl;


}



Compiler output:
a.cc: In function 'int main()':
a.cc:33:23: error: 'subscription' was not declared in this scope
   33 |         cout <<fixed<<subscription(8)<< z << endl;
      |                       ^~~~~~~~~~~~
Language: C++

#include<iostream>
#include<algorithm>
#include<math.h>
#include<cstdio>
#include<ctype.h>
#include<stdio.h>
#include<set>
#include<vector>
#include<map>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<numeric>
#include<string>
using namespace std;
typedef long long ll;

ll ds(ll digit) {
	ll res = 0;
	while (digit!=0) {
		res += digit % 10;
		digit /= 10;
	}
	return res;
}
ll MOD = 1000000007;
int main() {
	long double x, y;
	cin >> x >> y;
	long double z = x * y / (x + y);
	cout < z << endl;


}



Compiler output:
a.cc: In function 'int main()':
a.cc:33:18: error: invalid operands of types 'long double' and '<unresolved overloaded function type>' to binary 'operator<<'
   33 |         cout < z << endl;
      |                ~~^~~~~~~
Language: C++

#include <algorithm>
#include <climits>
#include <cmath>
#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <iostream>
#include <sstream>
#include <functional>
#include <map>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <bitset>
#include <string>
#include <cstring>
#include <vector>
#include <queue>
#include <stack>
#include <deque>
#include <list>
#include <numeric>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll,ll> P;
typedef pair<P,ll> PPI;
typedef pair<ll,P> PIP;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<P> vp;
#define PQ(T) priority_queue<T,vector<T>,greater<T>>
#define PQ2(T) priority_queue<T>
const double PI = 3.14159265358979323846;
const double EPS = 1e-12;
const ll INF = 1LL<<29;
const ll mod = 1e9+7;
#define REP(i,a,b) for(ll (i)=a;(i)<(ll)(b);++(i))
#define rep(i,n) REP(i,0,n)
#define rep1(i,n) REP(i,1,n+1)
#define repd(i,n,d) for(ll (i)=0;(i)<(ll)(n);(i)+=(d))
#define all(v) (v).begin(), (v).end()
#define pb(x) push_back(x)
#define mp(x,y) make_pair((x),(y))
#define mset(m,v) memset((m),(v),sizeof(m))
#define chmin(x,y) ((x)=min((x),(y)))
#define chmax(x,y) ((x)=max((x),(y)))
#define fst first
#define snd second
#define UNIQUE(x) (x).erase(unique(all(x)),(x).end())
#define DEBUG(x) cerr<<"line ("<<__LINE__<<")  "<<#x<<": "<<x<<endl;
template<class T> ostream &operator<<(ostream &os, const vector<T> &v){int n=v.size();rep(i,n)os<<v[i]<<(i==n-1?"":" ");return os;}

int main(){
	double a, b;
	cin>>a>>b;
	cout.precision(10);
	cout<<fixec<<a*b/(a+b)<<endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:59:15: error: 'fixec' was not declared in this scope
   59 |         cout<<fixec<<a*b/(a+b)<<endl;
      |               ^~~~~
Language: C++

#include <cstsio>
double r1,r2;
int main()
{
scanf("%lf%lf",&r1,&r2);
printf("%.10f¥n",(r1*r2)/(r1+r2));
return 0;
}

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

#include <stdio.h>
#include <cstdio>
#include <algorithm>

using namespace std;

int main(){
  int r1,r2;
  while(cin>>r1>>r2){
    double r3 = r1*r2*1.0/(r1+r2);
    printf("%.7f\n",r3);
    //cout<<r3<<endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: 'cin' was not declared in this scope
    9 |   while(cin>>r1>>r2){
      |         ^~~
a.cc:4:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    3 | #include <algorithm>
  +++ |+#include <iostream>
    4 |
Language: C++

#include<iostream>
using namespace std; 

int main(){
double x, y;
cin >> x;
cin >> y;

z=x*y/(x+y);

cout << z;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:1: error: 'z' was not declared in this scope
    9 | z=x*y/(x+y);
      | ^
Language: C

#include <stdio.h>
 
int main(void){
     int a,b;
     scanf("%d %d",&a,&b)
     printf("%f",(a*b)/(a+b));
     return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:26: error: expected ';' before 'printf'
    5 |      scanf("%d %d",&a,&b)
      |                          ^
      |                          ;
    6 |      printf("%f",(a*b)/(a+b));
      |      ~~~~~~
Language: C

#include <stdio.h>

int main(void){
     int a,b;
     scanf("%d %d",&a,&b)
     printf("%f",a*b*(a+b));
     return 0;
}


Compiler output:
main.c: In function 'main':
main.c:5:26: error: expected ';' before 'printf'
    5 |      scanf("%d %d",&a,&b)
      |                          ^
      |                          ;
    6 |      printf("%f",a*b*(a+b));
      |      ~~~~~~
Language: C++

#include<iostream>

int main(){
  int a,b;
cin  >> a >> b;
printf("%.9f",1./(1./a+1./b));
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:1: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 | cin  >> a >> b;
      | ^~~
      | 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
      |                  ^~~
Language: C++

from fractions import *
r1,r2=map(int,input().split())
R1=Fraction(1,r1)
R2=Fraction(1,r2)
R3=R1+R2
print(R3.denominator/R3.numerator)

Compiler output:
a.cc:1:1: error: 'from' does not name a type
    1 | from fractions import *
      | ^~~~
Language: C++

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

int main(){
  string s;
  cin >> s;
  string t = s:
  int n = s.size();
  for(int i = 0; i < n; i++){
    if(s[i] == 'b'){
      s[i] == 'd';
      continue;
    }
    else if(s[i] == 'd'){
      s[i] == 'b';
      continue;
    }
    else if(s[i] == 'p'){
      s[i] == 'q';
      continue;
    }
    else if(s[i] == 'q'){
      s[i] == 'p';
      continue;
    }
  }
  if(s == t) cout << "Yes" << endl;
  else cout << "No" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:15: error: expected ',' or ';' before ':' token
    7 |   string t = s:
      |               ^
a.cc:9:22: error: 'n' was not declared in this scope
    9 |   for(int i = 0; i < n; i++){
      |                      ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
string st;
char ch[100010];
long long len;
int main()
{
    cin>>st;
    len=st.size();
    for(int i=0;i<st.size();i++)
    {
        ch[len-i-1]=st[i];
        if(st[i]=='b')ch[len-i-1]='d';
        if(st[i]=='d')ch[len-i-1]='b';
        if(st[i]=='p')ch[len-i-1]='q';
        if(st[i]=='q')ch[len-i-1]='p';
    for(int i=0;i<len;i++)
        if(ch[i]!=st[i])
        {
            cout<<"No"<<endl;
            return 0;
        }
    cout<<"Yes"<<endl;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:2: error: expected '}' at end of input
   25 | }
      |  ^
a.cc:7:1: note: to match this '{'
    7 | {
      | ^
Language: C++

#include<iostream>
#include<cstring>
#include<string>
using namespace std;
int main() 
{
	string a;
	cin >> a;
	string b = a;
	reverse(a.begin(), a.end());
	for (int i = 0; i < a.length(); ++i)
	{
		if (a[i] == 'b') a[i] = 'd';
		else if (a[i] == 'd') a[i] = 'b';
		else if (a[i] == 'p') a[i] = 'q';
		else if (a[i] == 'q') a[i] = 'p';
	}
	if (a == b) cout << "Yes";
	else cout << "No";
}




Compiler output:
a.cc: In function 'int main()':
a.cc:10:9: error: 'reverse' was not declared in this scope
   10 |         reverse(a.begin(), a.end());
      |         ^~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
string a;
void mir()
{
    int l=a.size();
    for(int i=0;i<l;i++)
    {
    if(a[i]=="p")
    {
        a[i]='q';
    }
    else if(a[i]=="q")
    {
        a[i]='p';
    }
    else if(a[i]=="d")
    {
        a[i]='b';
    }
    else
    {
        a[i]='d';
    }
    }
}
string fz(string s1)
{
    string s2;
    for(int i=s1.length()-1,j=0;i>=0;i--,j++) s2=s2+s1[i];
    if(s2[0]=='0')s2.erase(0,s2.find_first_not_of('0'));
    return s2;
}
int main()
{
    cin>>a;
    string b=a;
    int l=a.size();
    mir();
    if(fz(a)==b)
    {
        cout<<"Yes"<<endl;
        return 0;
    }
    cout<<"No"<<endl;
}

Compiler output:
a.cc: In function 'void mir()':
a.cc:9:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |     if(a[i]=="p")
a.cc:13:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |     else if(a[i]=="q")
a.cc:17:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   17 |     else if(a[i]=="d")
Language: C++

#include <bits/stdc++.h>
using namespace std;
string a;
void mir()
{
    int l=a.size();
    for(int i=0;i<l;i++)
    {
    if(a[i]=="p")
    {
        a[i]="q";
    }
    else if(a[i]=="q")
    {
        a[i]="p";
    }
    else if(a[i]=="d")
    {
        a[i]="b";
    }
    else
    {
        a[i]="d";
    }
    }
}
int main()
{
    cin>>a;
    string b=a;
    int l=a.size();
    mir();
    reverse(a.begin(),a.end());
    if(a==b)
    {
        cout<<"Yes"<<endl;
        return 0;
    }
    cout<<"No"<<endl;
}

Compiler output:
a.cc: In function 'void mir()':
a.cc:9:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |     if(a[i]=="p")
a.cc:11:14: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   11 |         a[i]="q";
      |              ^~~
      |              |
      |              const char*
a.cc:13:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |     else if(a[i]=="q")
a.cc:15:14: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   15 |         a[i]="p";
      |              ^~~
      |              |
      |              const char*
a.cc:17:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   17 |     else if(a[i]=="d")
a.cc:19:14: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   19 |         a[i]="b";
      |              ^~~
      |              |
      |              const char*
a.cc:23:14: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   23 |         a[i]="d";
      |              ^~~
      |              |
      |              const char*
Language: C++

#include <bits/stdc++.h>
using namespace std;
string a;
void mir()
{
    int l=a.size();
    for(int i=0;i<l;i++)
    {
    if(a[i]=="p")
    {
        a[i]="q";
    }
    else if(a[i]=="q")
    {
        a[i]="p";
    }
    else if(a[i]=="d")
    {
        a[i]="b";
    }
    else
    {
        a[i]="d";
    }
    }
}
string fz(string s1)
{
    string s2;
    for(int i=s1.length()-1,j=0;i>=0;i--,j++) s2=s2+s1[i];
    if(s2[0]=='0')s2.erase(0,s2.find_first_not_of('0'));
    return s2;
}
int main()
{
    cin>>a;
    string b=a;
    int l=a.size();
    mir();
    if(fz(a)==b)
    {
        cout<<"Yes"<<endl;
        return 0;
    }
    cout<<"No"<<endl;
}

Compiler output:
a.cc: In function 'void mir()':
a.cc:9:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |     if(a[i]=="p")
a.cc:11:14: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   11 |         a[i]="q";
      |              ^~~
      |              |
      |              const char*
a.cc:13:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |     else if(a[i]=="q")
a.cc:15:14: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   15 |         a[i]="p";
      |              ^~~
      |              |
      |              const char*
a.cc:17:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   17 |     else if(a[i]=="d")
a.cc:19:14: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   19 |         a[i]="b";
      |              ^~~
      |              |
      |              const char*
a.cc:23:14: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   23 |         a[i]="d";
      |              ^~~
      |              |
      |              const char*
Language: C++

#include <bits/stdc++.h>
using namespace std;
string a;
void mir()
{
    int l=a.size();
    for(int i=0;i<l;i++)
    {
    if(a[i]=="p")
    {
        a[i]=q;
    }
    else if(a[i]=="q")
    {
        a[i]=p;
    }
    else if(a[i]=="d")
    {
        a[i]=b;
    }
    else
    {
        a[i]=d;
    }
    }
}
string fz(string s1)
{
    string s2;
    for(int i=s1.length()-1,j=0;i>=0;i--,j++) s2=s2+s1[i];
    if(s2[0]=='0')s2.erase(0,s2.find_first_not_of('0'));
    return s2;
}
int main()
{
    cin>>a;
    string b=a;
    int l=a.size();
    mir();
    if(fz(a)==b)
    {
        cout<<"Yes"<<endl;
        return 0;
    }
    cout<<"No"<<endl;
}

Compiler output:
a.cc: In function 'void mir()':
a.cc:9:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |     if(a[i]=="p")
a.cc:11:14: error: 'q' was not declared in this scope
   11 |         a[i]=q;
      |              ^
a.cc:13:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   13 |     else if(a[i]=="q")
a.cc:15:14: error: 'p' was not declared in this scope
   15 |         a[i]=p;
      |              ^
a.cc:17:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   17 |     else if(a[i]=="d")
a.cc:19:14: error: 'b' was not declared in this scope
   19 |         a[i]=b;
      |              ^
a.cc:23:14: error: 'd' was not declared in this scope
   23 |         a[i]=d;
      |              ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
string a;
void mir()
{
    int l=a.size();
    for(int i=0;i<l;i++)
    {
    if(a[i]=='p')
    {
        a[i]=q;
    }
    else if(a[i]=='q')
    {
        a[i]=p;
    }
    else if(a[i]=='d')
    {
        a[i]=b;
    }
    else
    {
        a[i]=d;
    }
    }
}
string fz(string s1)
{
    string s2;
    for(int i=s1.length()-1,j=0;i>=0;i--,j++) s2=s2+s1[i];
    if(s2[0]=='0')s2.erase(0,s2.find_first_not_of('0'));
    return s2;
}
int main()
{
    cin>>a;
    string b=a;
    int l=a.size();
    mir();
    if(fz(a)==b)
    {
        cout<<"Yes"<<endl;
        return 0;
    }
    cout<<"No"<<endl;
}

Compiler output:
a.cc: In function 'void mir()':
a.cc:11:14: error: 'q' was not declared in this scope
   11 |         a[i]=q;
      |              ^
a.cc:15:14: error: 'p' was not declared in this scope
   15 |         a[i]=p;
      |              ^
a.cc:19:14: error: 'b' was not declared in this scope
   19 |         a[i]=b;
      |              ^
a.cc:23:14: error: 'd' was not declared in this scope
   23 |         a[i]=d;
      |              ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef '' "";
string a;
void mir()
{
    int l=a.size();
    for(int i=0;i<l;i++)
    {
    if(a[i]=='p')
    {
        a[i]=q;
    }
    else if(a[i]=='q')
    {
        a[i]=p;
    }
    else if(a[i]=='d')
    {
        a[i]=b;
    }
    else
    {
        a[i]=d;
    }
    }
}
string fz(string s1)
{
    string s2;
    for(int i=s1.length()-1,j=0;i>=0;i--,j++) s2=s2+s1[i];
    if(s2[0]=='0')s2.erase(0,s2.find_first_not_of('0'));
    return s2;
}
int main()
{
    cin>>a;
    string b=a;
    int l=a.size();
    mir();
    if(fz(a)==b)
    {
        cout<<"Yes"<<endl;
        return 0;
    }
    cout<<"No"<<endl;
}

Compiler output:
a.cc:3:9: error: empty character constant
    3 | typedef '' "";
      |         ^~
a.cc:3:9: error: expected unqualified-id before '\x0'
a.cc: In function 'void mir()':
a.cc:12:14: error: 'q' was not declared in this scope
   12 |         a[i]=q;
      |              ^
a.cc:16:14: error: 'p' was not declared in this scope
   16 |         a[i]=p;
      |              ^
a.cc:20:14: error: 'b' was not declared in this scope
   20 |         a[i]=b;
      |              ^
a.cc:24:14: error: 'd' was not declared in this scope
   24 |         a[i]=d;
      |              ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
char mir(char a)
{
    if(a=='p')
    {
        return q;
    }
    else if(a=='q')
    {
        return p;
    }
    else if(a=='d')
    {
        return b;
    }
    else
    {
        return d;
    }
}
string fz(string a)
{
    int l=a.size();
    for(int i=0;i<l/2;i++)
    {
        swap(a[i],a[l-i]);
    }
    return a;
}

Compiler output:
a.cc: In function 'char mir(char)':
a.cc:7:16: error: 'q' was not declared in this scope
    7 |         return q;
      |                ^
a.cc:11:16: error: 'p' was not declared in this scope
   11 |         return p;
      |                ^
a.cc:15:16: error: 'b' was not declared in this scope
   15 |         return b;
      |                ^
a.cc:19:16: error: 'd' was not declared in this scope
   19 |         return d;
      |                ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
char mir(char a)
{
    if(a=='p')
    {
        return q;
    }
    else if(a=='q')
    {
        return p;
    }
    else if(a=='d')
    {
        return b;
    }
    else
    {
        return d;
    }
}
string fz(string a)
{
    
}

Compiler output:
a.cc: In function 'char mir(char)':
a.cc:7:16: error: 'q' was not declared in this scope
    7 |         return q;
      |                ^
a.cc:11:16: error: 'p' was not declared in this scope
   11 |         return p;
      |                ^
a.cc:15:16: error: 'b' was not declared in this scope
   15 |         return b;
      |                ^
a.cc:19:16: error: 'd' was not declared in this scope
   19 |         return d;
      |                ^
a.cc: In function 'std::string fz(std::string)':
a.cc:25:1: warning: no return statement in function returning non-void [-Wreturn-type]
   25 | }
      | ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
    string a;
    cin>>a;
    string b=a;
    reverse(a.begin(),a.end());
    for(int i=0;i<a.size();i++)
    {
        if(a[i]=='b') 
            a[i]='d';
        else if(a[i]=='d') 
            a[i]='b';
        else if(a[i]=='p') 
            a[i]='q';
        else if(a[i]=='q') 
            a[i]='p';
    }
    if(!a-b) 
        cout<<"Yes";
    else 
        cout<<"No";
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:8: error: no match for 'operator!' (operand type is 'std::string' {aka 'std::__cxx11::basic_string<char>'})
   19 |     if(!a-b)
      |        ^~
a.cc:19:8: note: candidate: 'operator!(bool)' (built-in)
a.cc:19:8: note:   no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'bool'
Language: C++

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

using namespace std;
string st;
char ch[100000+10];
long long len;
int main()
{
	cin>>st;
	len=st.size();
	for(int i=0;i<st.size();i++)
	{
		ch[len-i-1]=st[i];
		if(st[i]=='b')ch[len-i-1]='d';
		if(st[i]=='d')ch[len-i-1]='b';
		if(st[i]=='p')ch[len-i-1]='q';
		if(st[i]=='q')ch[len-i-1]='p';
	}
	for(int i=0;i<len;i++)
		if(ch[i]!=st[i])
		{
			cout<<"No"
			return 0;
		}
	cout<<"Yes";
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:35: error: expected ';' before 'return'
   27 |                         cout<<"No"
      |                                   ^
      |                                   ;
   28 |                         return 0;
      |                         ~~~~~~
Language: C++

#include<iostream>
#include<cstring>
using namespace std;
int main(){
    string a;
    cin>>a;
    string b=a;
    reverse(a.begin(),a.end());
    for(int i=0;i<a.size();++i)
    {
        if(a[i]=='b') a[i]='d';
        else if(a[i]=='d') a[i]='b';
        else if(a[i]=='p') a[i]='q';
        else if(a[i]=='q') a[i]='p';
    }
    if(a==b) cout<<"Yes";
    else cout<<"No";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'reverse' was not declared in this scope
    8 |     reverse(a.begin(),a.end());
      |     ^~~~~~~
Language: C++

#include<iostream>
#include<memory.h>
#include<iomanip>
#include<string>
using namespace std;
int main()
{
	int l;
	string s,r;
	cin>>s;
	r=s;
	l=s.length();
	reverse(s.begin(),s.end());
	for(int i=0;i<l;i++)
	{
		if(s[i]=='b')s[i]='d';
			else if(s[i]=='d')s[i]='b';
				    else if(s[i]=='p')s[i]='q';
						    else if(s[i]=='q')s[i]='p';
	}
	if(s==r)cout<<"Yes"<<endl;
		else cout<<"No"<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:9: error: 'reverse' was not declared in this scope
   13 |         reverse(s.begin(),s.end());
      |         ^~~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
string a,b;
int main()
{
    cin>>a;
    b=a;
    reverse(a.begin(),a.end());
    for(int i=0;i<a.size();i++)
    {
        if(a[i]=='b') a[i]='d';
        else if(a[i]=='d') a[i]='b';
        else if(a[i]=='p') a[i]='q';
        else if(a[i]=='q') a[i]='p';
    }
    if(a==b) printf("Yes");。
    else printf("No");
    return 0;
}

Compiler output:
a.cc:16:28: error: extended character 。 is not valid in an identifier
   16 |     if(a==b) printf("Yes");。
      |                            ^
a.cc: In function 'int main()':
a.cc:16:28: error: '\U00003002' was not declared in this scope
   16 |     if(a==b) printf("Yes");。
      |                            ^~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{char a[100005],b[100005];
 bool flag=0;
 gets(a);
 int lena,k=0;
 lena=strlen(a);
 for(int i=lena-1;i>=0;i--)
 {if(a[i]=='b'){
 	b[k]='d';
 	k++;
 }
 else if(a[i]=='d'){
 	b[k]='b';
 	k++;
 }
 else if(a[i]=='p'){
 	b[k]='q';
 	k++;
 }
 else if(a[i]=='q'){
 	b[k]='p';
 	k++;
 }
 }
 for(int i=0;i<lena;i++)
 {if(a[i]!=b[i]){
 	cout<<"No";
 	flag=1;
 	break;
 }
 }
 if(flag==0)cout<<"Yes";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:2: error: 'gets' was not declared in this scope; did you mean 'getw'?
    6 |  gets(a);
      |  ^~~~
      |  getw
Language: C++

#include<bits/stdc++.h>
using namespace std;
int mian()
{
	string a;
	cin >> a;
string b = a;
reverse(a.begin(), a.end());
for (int i = 0; i < a.length(); ++i)
{
	if (a[i] == 'b') a[i] = 'd';
	else if (a[i] == 'd') a[i] = 'b';
	else if (a[i] == 'p') a[i] = 'q';
	else if (a[i] == 'q') a[i] = 'p';
}
if (a == b) cout << "Yes";
else cout << "No";
	return 0;
}


Compiler output:
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

#include<iostream>
#include<cstdio>
using namespace std;
int main()
  {
    string st="bdqp";
    string s1,s2;
    int i;
    cin>>s1;
    int len=strlen(s1);
    for(i=len;i>=0;i--)
       {
         s2[len+1-i]=s1[i];
       }
    for(i=0;i<len;i++)
       ｛
          if(s2[i]==st[0]) s2[i]=st[1];
          if(s2[i]==st[1]) s2[i]=st[0];
          if(s2[i]==st[2]) s2[i]=st[3];
          if(s2[i]==st[3]) s2[i]=st[2];
        ｝
    if(s1==s2) cout<<"Yes";
    else cout<<"No";
    return 0;
   }

Compiler output:
a.cc: In function 'int main()':
a.cc:10:13: error: 'strlen' was not declared in this scope
   10 |     int len=strlen(s1);
      |             ^~~~~~
a.cc:3:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include<cstdio>
  +++ |+#include <cstring>
    3 | using namespace std;
a.cc:16:8: error: '\U0000ff5b' was not declared in this scope
   16 |        ｛
      |        ^~
a.cc:21:9: error: '\U0000ff5d' was not declared in this scope
   21 |         ｝
      |         ^~
a.cc:23:5: error: 'else' without a previous 'if'
   23 |     else cout<<"No";
      |     ^~~~
Language: C++

#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
int main(){
	string s,s1;
	cin>>s;
	s1.reverse(s1.begin(),s1.end());
	if(s==s1)cout<<"Yes"<<endl;
	else cout<<"No";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:12: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'reverse'; did you mean 'reserve'?
    8 |         s1.reverse(s1.begin(),s1.end());
      |            ^~~~~~~
      |            reserve
Language: C++

#include <bits/stdc++.h>
using namespace std;
string s,g;
char hs(char c){
    if(c=='b') return 'd';
    if(c=='d') return 'b';
    if(c=='p') return 'q';
    return 'p';
}
int i,j,k,l,m,n,b;
int main(){
    cin>>s;
    for(i=0;i<s.size()){
        g+=hs(s[s.zize()-i-1]);
    }
    if(s==g) cout<<"Yes";
    else cout<<"No";
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:23: error: expected ';' before ')' token
   13 |     for(i=0;i<s.size()){
      |                       ^
      |                       ;
a.cc:14:19: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'zize'; did you mean 'size'?
   14 |         g+=hs(s[s.zize()-i-1]);
      |                   ^~~~
      |                   size
Language: C++

#include<cstring>
#include<cstdio>

char s[100007];
int ch[128],i=1;

int main()
{
    ch['p']=1,ch['d']=2,ch['q']=3;
    scanf("%s",s+1);
    for(l=strlen(s+1);i<=(l>>1)+1;++i)
        if(ch[s[i]]^((ch[s[l-i+1]]+2)%4))
        {printf("No\n");break;}
    printf("Yes\n");
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: 'l' was not declared in this scope
   11 |     for(l=strlen(s+1);i<=(l>>1)+1;++i)
      |         ^
Language: C++

#include<bits/stdc++.h>
char s[100007];
int g[128];
int main()
{
    g['b'] = 0 , g['p'] = 1 , g['d'] = 2 , g['q'] = 3;
    scanf("%s",s+1);
    for(int l = strlen(s+1),i=1;i<=(l>>1)+1;i++)
    {
        if(get[s[i]]^((get[s[l-i+1]]+2)%4)) return printf("No\n"),0;
    }  
    return printf("Yes\n"),0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:12: error: 'get' was not declared in this scope; did you mean 'std::get'?
   10 |         if(get[s[i]]^((get[s[l-i+1]]+2)%4)) return printf("No\n"),0;
      |            ^~~
      |            std::get
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:1:
/usr/include/c++/14/variant:1180:5: note: 'std::get' declared here
 1180 |     get(const variant<_Types...>&& __v)
      |     ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s;
	cin>>s;
	string b=s;
	reverse(s.begin(),s.end());
	for(int i=0; i<s.size();i++)
	{
		if(s[i]=='b') s[i]='d';
		else if(s[i]=='d') s[i]='b';
		else if(s[i]=='p') s[i]='q';
		else if(s[i]=='q') s[i]='p';
	}
	if(a==b) 
	cout<<"Yes"<<"\n";
	else
	cout<<"No"<<"\n";
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:12: error: 'a' was not declared in this scope
   16 |         if(a==b)
      |            ^
Language: C++

#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;
int main()
{
	char a[10002],b[10002];
	int c;
	gets(a);
	for(int i=strlen(a)-1;i>=0;i--)
	{
		b[c]=a[i];
		c++;
	}
	for(int i=0;i<strlen(a);i++)
	{
		if((a[i]=='b'&&b[i]!='d')||(a[i]=='d'&&b[i]!='b')||(a[i]=='p'&&b[i]!='q')||(a[i]=='q'&&b[i]!='p'))
		{
			cout<<"NO"<<endl;
			return 0;
		}
	}
	cout<<"YES"<<endl;
	return 0;
}

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