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

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

int main(){
  int a,b;
  cin >> a >> b;
  cout << max(a,b)+max(max(a-1,b)+max(a,b-1))<< endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:23: error: no matching function for call to 'max(int)'
    7 |   cout << max(a,b)+max(max(a-1,b)+max(a,b-1))<< endl;
      |                    ~~~^~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   template argument deduction/substitution failed:
a.cc:7:23: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
    7 |   cout << max(a,b)+max(max(a-1,b)+max(a,b-1))<< endl;
      |                    ~~~^~~~~~~~~~~~~~~~~~~~~~~
/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:   candidate expects 2 arguments, 1 provided
Language: C++

    if (A >= B){
        sum += A;
        A--;
    }
    else{
        sum += B;
        B--
    }

Compiler output:
a.cc:1:5: error: expected unqualified-id before 'if'
    1 |     if (A >= B){
      |     ^~
a.cc:5:5: error: expected unqualified-id before 'else'
    5 |     else{
      |     ^~~~
Language: C++

#include<iostream>
using namespace std;
int main(){
  int a,b,sum;cin >> a >> b;sum = 0;
  if(a>b) sum += a; a -= 1;
  else sum += b; b -= 1;
  if(a>b) sum += a; a -= 1;
  else sum += b; b -= 1;
  cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'else' without a previous 'if'
    6 |   else sum += b; b -= 1;
      |   ^~~~
a.cc:8:3: error: 'else' without a previous 'if'
    8 |   else sum += b; b -= 1;
      |   ^~~~
Language: C++

#include <stdio.h>

int main()
{
  int a,b;
  scanf("%d%d",&a,&b);
  int ans1=a+a-1;
  int ans2=b+b-1;
  int ans2=a+b;
  int x[3]={ans1,asn2,ans3};
  int i,max=0;
  for(i=0;i<3;++i)
  {
    if(max<x[i])
        max=x[i];
  }
  
  printf("%d",max);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:7: error: redeclaration of 'int ans2'
    9 |   int ans2=a+b;
      |       ^~~~
a.cc:8:7: note: 'int ans2' previously declared here
    8 |   int ans2=b+b-1;
      |       ^~~~
a.cc:10:18: error: 'asn2' was not declared in this scope; did you mean 'ans2'?
   10 |   int x[3]={ans1,asn2,ans3};
      |                  ^~~~
      |                  ans2
a.cc:10:23: error: 'ans3' was not declared in this scope; did you mean 'ans2'?
   10 |   int x[3]={ans1,asn2,ans3};
      |                       ^~~~
      |                       ans2
Language: C++

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

int main() {
  int A, B;
  int coins = 0;

  cin >> A >> B;

  while (2--) {
    if (A >= B) {
      coins += A;
      A--;
    }
    else {
      coins += B;
    }
  }
  cout << coins;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:10: error: lvalue required as decrement operand
   10 |   while (2--) {
      |          ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int a,b;
  cin >> a >> b;
  int sum = 0;
  for(int i = 0 ;i < 2;i++){
    if(a > b){
      sum += a;
      a--;
    }
    else if{
      sum += b;
      b--;
    }
  }
  cout << sum << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:12: error: expected '(' before '{' token
   12 |     else if{
      |            ^
      |            (
Language: C++

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

int main(){
  int a, b;
  cin >> a  >> b;
  if (a == b) cout << a + b << endl;
  else cout << max(a,b) + max(a,b) -1 << endl;
  
  retuen 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: 'retuen' was not declared in this scope
   11 |   retuen 0;
      |   ^~~~~~
Language: C++

using System;
using System.Linq;
using System.Collections.Generic;

static class Program{
    static void Main() {
        int[]ab=Console.ReadLine().Split().Select(int.Parse).ToArray();
        int a=ab[0];
        int b=ab[1];
        Console.WriteLine(Math.Max(a+a-1,Math.Max(a+b,b+b-1)));
    }
}


Compiler output:
a.cc:1:7: error: expected nested-name-specifier before 'System'
    1 | using System;
      |       ^~~~~~
a.cc:2:7: error: expected nested-name-specifier before 'System'
    2 | using System.Linq;
      |       ^~~~~~
a.cc:3:7: error: expected nested-name-specifier before 'System'
    3 | using System.Collections.Generic;
      |       ^~~~~~
a.cc:12:2: error: expected ';' after class definition
   12 | }
      |  ^
      |  ;
a.cc: In static member function 'static void Program::Main()':
a.cc:7:12: error: structured binding declaration cannot have type 'int'
    7 |         int[]ab=Console.ReadLine().Split().Select(int.Parse).ToArray();
      |            ^~
a.cc:7:12: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
a.cc:7:12: error: empty structured binding declaration
a.cc:7:14: error: expected initializer before 'ab'
    7 |         int[]ab=Console.ReadLine().Split().Select(int.Parse).ToArray();
      |              ^~
a.cc:8:15: error: 'ab' was not declared in this scope; did you mean 'a'?
    8 |         int a=ab[0];
      |               ^~
      |               a
a.cc:10:9: error: 'Console' was not declared in this scope
   10 |         Console.WriteLine(Math.Max(a+a-1,Math.Max(a+b,b+b-1)));
      |         ^~~~~~~
a.cc:10:27: error: 'Math' was not declared in this scope
   10 |         Console.WriteLine(Math.Max(a+a-1,Math.Max(a+b,b+b-1)));
      |                           ^~~~
a.cc: At global scope:
a.cc:5:1: error: a storage class can only be specified for objects and functions
    5 | static class Program{
      | ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int a,b;
  cin>>a>>b;
  int coin = 0;
  if(a>b){
    coin+=a;
    a--;
    coin+=a;
  }
  else(a<b){
    coin+=b;
    b--;
    coin+=b;
  }
  else if(a==b){
    coin+=2*b-1;
  }
  cout<<coin<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:12: error: expected ';' before '{' token
   12 |   else(a<b){
      |            ^
      |            ;
a.cc:17:3: error: 'else' without a previous 'if'
   17 |   else if(a==b){
      |   ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int a,b;
  cin>>a>>b;
  int coin = max(a,b);
  max(a,b)--;
  coin+=max(a,b);
  cout<<coin<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:6: error: decrement of read-only location 'std::max<int>(a, b)'
    7 |   max(a,b)--;
      |   ~~~^~~~~
Language: C++

#include <bits/stdc++.h>
#include <functional>
/*
#include <ext/pb_ds/tree_policy.hpp> 
#include <ext/pb_ds/detail/standard_policies.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
*/
using namespace std;
#define int         long long
#define double      long double
#define pb          push_back
#define pf          push_front
#define pii         pair<int,int>
#define vi          vector<int>
#define vpii        vector<pii>
#define mi          map<int,int>
#define vii         vector<vector<int>>
#define mpii        map<pii,int>
#define piii        pair<int,pair<int,int> >
#define all(a)      (a).begin(),(a).end()
#define rall(a)     (a).rbegin(),(a).rend()
#define x           first
#define y           second
#define sz(x)       (int)x.size()
#define endl        '\n'
#define PI          3.141592653589
#define bs(v,n)     binary_search(all((v)),(n))
#define lb(v,n)     lower_bound(all((v)),(n))
#define ub(v,n)     upper_bound(all((v)),(n))
#define fo(i,l,u)   for(i=l;i<u;i++)
#define rfo(i,l,u)  for(i=l;i>=u;i--)
#define rf(s)       for(auto &c : s)
#define allfo(s)    for(auto it=(s).begin();it!=(s).end();it++) //use Iterator
#define tezz        ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define MOD         1000000007
#define ef else if

/*template<class T>
T big(T a, T b) { return a>b ? a : b; }
int gcd(int a, int b) {  if (a == 0)  return b; return gcd(b % a, a); } 
int lcm(int a, int b) { return (a*b)/gcd(a,b); } 
bool mod(double a,double b) {return a/b - floor(a/b);}
int occurs(vi v,int n)  {  auto it=lb(v,n);auto it1=ub(v,n);int x=it1-it;return x;}
int logb(int base, int x) {return (log(x) / log(base));}
int pow(int n, int m){
    int ans=1;
    fo(i,0,m){
        ans*=n;
    }return ans;
}
int factors(int ans){
    int count=0;
    for (int i=1; i<=sqrt(ans); i++) { 
        if (ans%i == 0) 
        {if (ans/i == i) count++;
            else count+=2;} 
    }
    return count;     
}
bool isSubSequence(string str1, string str2, int m, int n)  // str1<str2
{ 
  
    if (m == 0) return true; 
    if (n == 0) return false; 
  
  	if (str1[m-1] == str2[n-1]) 
        return isSubSequence(str1, str2, m-1, n-1); 
  
    return isSubSequence(str1, str2, m, n-1); 
} */

signed main()
{
tezz;
int a,b,p;
cin>>a>>b;
p=max({2*a-1,2*b-1,a+b})
cout<<max<<endl;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:78:25: error: expected ';' before 'cout'
   78 | p=max({2*a-1,2*b-1,a+b})
      |                         ^
      |                         ;
   79 | cout<<max<<endl;
      | ~~~~
Language: C++

#nclude<bits/stdc++.h>
using namespace std;
int main()
{
  int a,b;
  cin>>a>>b;
  cout<<max(a,b)+max(a-1,b-1);
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #nclude; did you mean #include?
    1 | #nclude<bits/stdc++.h>
      |  ^~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin>>a>>b;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #nclude<bits/stdc++.h>
a.cc:7:3: error: 'cout' was not declared in this scope
    7 |   cout<<max(a,b)+max(a-1,b-1);
      |   ^~~~
a.cc:7:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:7:9: error: 'max' was not declared in this scope
    7 |   cout<<max(a,b)+max(a-1,b-1);
      |         ^~~
Language: C++

#nclude<bits/stdc++.h>
using namepsace std;
int main()
{
  int a,b;
  cin>>a>>b;
  cout<<max(a,b)+max(a-1,b-1);
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #nclude; did you mean #include?
    1 | #nclude<bits/stdc++.h>
      |  ^~~~~~
      |  include
a.cc:2:7: error: expected nested-name-specifier before 'namepsace'
    2 | using namepsace std;
      |       ^~~~~~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin>>a>>b;
      |   ^~~
a.cc:7:3: error: 'cout' was not declared in this scope
    7 |   cout<<max(a,b)+max(a-1,b-1);
      |   ^~~~
a.cc:7:9: error: 'max' was not declared in this scope
    7 |   cout<<max(a,b)+max(a-1,b-1);
      |         ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main{
  int a,b;
  cin >> a >> b;
  int n=0;
  if(a>b){
    n+=a;
    a--;
  }
  else{
	n+=b;
    b--;
  }
  if(a>b){
    n+=a;
    a--;
  }
  else{
	n+=b;
    b--;
  }
  cout << n;
}

Compiler output:
a.cc:3:5: error: cannot declare '::main' to be a global variable
    3 | int main{
      |     ^~~~
a.cc:4:3: error: expected primary-expression before 'int'
    4 |   int a,b;
      |   ^~~
a.cc:4:3: error: expected '}' before 'int'
a.cc:3:9: note: to match this '{'
    3 | int main{
      |         ^
a.cc:5:3: error: 'cin' does not name a type
    5 |   cin >> a >> b;
      |   ^~~
a.cc:7:3: error: expected unqualified-id before 'if'
    7 |   if(a>b){
      |   ^~
a.cc:11:3: error: expected unqualified-id before 'else'
   11 |   else{
      |   ^~~~
a.cc:15:3: error: expected unqualified-id before 'if'
   15 |   if(a>b){
      |   ^~
a.cc:19:3: error: expected unqualified-id before 'else'
   19 |   else{
      |   ^~~~
a.cc:23:3: error: 'cout' does not name a type
   23 |   cout << n;
      |   ^~~~
a.cc:24:1: error: expected declaration before '}' token
   24 | }
      | ^
Language: C++

#include<iostream>
using namespace std;

int main(){
int a,b;
  int c=2;
  ant ans=0;
  while(c--){
    if(a<=b){
    ans+=b;
      
    }
    else{
    ans+=a;
    }
  }
cout<<ans<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: 'ant' was not declared in this scope; did you mean 'int'?
    7 |   ant ans=0;
      |   ^~~
      |   int
a.cc:10:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   10 |     ans+=b;
      |     ^~~
      |     abs
a.cc:14:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   14 |     ans+=a;
      |     ^~~
      |     abs
a.cc:17:7: error: 'ans' was not declared in this scope; did you mean 'abs'?
   17 | cout<<ans<<endl;
      |       ^~~
      |       abs
Language: C

#include <stdio.h>

int main(int argc, char const *argv[]) {
  int x=0,y=0;
  int ans=0;
  scanf("%d %d",&x,&y);
  for (i i = 0; i < 2; i++) {
    if (x>y) {
      ans+=x;
      x--;
    }else{
      ans+=y;
      y--;
    }
  }
  printf("%d\n",ans);
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:7:8: error: unknown type name 'i'
    7 |   for (i i = 0; i < 2; i++) {
      |        ^
Language: C++

v#include <bits/stdc++.h>
using namespace std;
int main()
{
    int a,b;
    cin >> a >> b;
    int ans=0;
    if(a>b) ans=a+a-1;
    if(a<b) ans=b+b-1;
    else ans=a+b;
    cout << ans << endl;
}


Compiler output:
a.cc:1:2: error: stray '#' in program
    1 | v#include <bits/stdc++.h>
      |  ^
a.cc:1:1: error: 'v' does not name a type
    1 | v#include <bits/stdc++.h>
      | ^
a.cc: In function 'int main()':
a.cc:6:5: error: 'cin' was not declared in this scope
    6 |     cin >> a >> b;
      |     ^~~
a.cc:11:5: error: 'cout' was not declared in this scope
   11 |     cout << ans << endl;
      |     ^~~~
a.cc:11:20: error: 'endl' was not declared in this scope
   11 |     cout << ans << endl;
      |                    ^~~~
Language: C++

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

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  ll a,b; cin >> a >> b;
  ll ma = max(a,b);
  ll mi = min(a,b);
  cout << max+ max(ma-1,min) << endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:19: error: no matching function for call to 'max(long long int, <unresolved overloaded function type>)'
   11 |   cout << max+ max(ma-1,min) << endl;
      |                ~~~^~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'constexpr const _Tp& std::max(const _Tp&, const _Tp&) [with _Tp = long long int]'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:36: note:   no known conversion for argument 2 from '<unresolved overloaded function type>' to 'const long long int&'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |                         ~~~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:11:19: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   11 |   cout << max+ max(ma-1,min) << endl;
      |                ~~~^~~~~~~~~~
Language: C++

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

int main() {
  int a;
  cin >> a;
  int b;
  cin >> b;
  if (a >= b) {
    a = a - 1;
    if (a >= b) {
      cout << a + 1 + a << endl;
    } else {
      cout << a + 1 + b << endl;
    }
  } else {
    b = b - 1;
    if (a >= b) {
      cout << b + 1 + a << endl;
    } else {
      cout << b + 1 + b << endl;
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:2: error: expected '}' at end of input
   23 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: Java

import java.util.Scanner;
 
public class Main {
	public static void main(String[] args) {
 
		Scanner scan = new Scanner(System.in);
		int a = scan.nextInt();
      　int b = scan.nextInt();
      
		int sum1 = 0;
		int a1 = a;
      	int b1 = b;
      
      	sum1=a1;
        a1=a1+1;
      
      	if(a1>=b1)
          sum1=sum1+a1;
      else
        sum1=sum1+b1;
      
      int sum2 = 0;
		int a2 = a;
      	int b2 = b;
      
      	sum1=b2;
        b2=b2+1;
      
      	if(a2>=b2)
          sum2=sum2+a2;
      else
        sum2=sum2+b2;
      
      
      if(sum1>=sum2)
        		System.out.println(sum1);
      else
        		System.out.println(sum2);
        


	}
}

Compiler output:
Main.java:8: error: illegal character: '\u3000'
      ?int b = scan.nextInt();
      ^
1 error
Language: C++



#include<bits/stdc++.h>
using namespace std;
#define inf INT_MAX
#define INF LLONG_MAX
#define ll long long
#define ull unsigned long long
#define M (int)(1e9+7)
#define P pair<int,int>
#define FOR(i,m,n) for(int i=(int)m;i<(int)n;i++)
#define RFOR(i,m,n) for(int i=(int)m;i>=(int)n;i--)
#define rep(i,n) FOR(i,0,n)
#define rrep(i,n) RFOR(i,n,0)
#define all(a) a.begin(),a.end()
const int vx[4] = {0,1,0,-1};
const int vy[4] = {1,0,-1,0};
#define F first
#define S second
#define PB push_back
#define EB emplace_back
#define int ll
#define vi vector<int>
#define IP pair<int,P>
#define PI pair<P,int>
#define PP pair<P,P>
#define Yes(f){cout<<(f?"Yes":"No")<<endl;}
#define YES(f){cout<<(f?"YES":"NO")<<endl;}
int Madd(int x,int y) {return (x+y)%M;}
int Msub(int x,int y) {return (x-y+M)%M;}
int Mmul(int x,int y) {return (x*y)%M;}


signed main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout<<fixed<<setprecision(20);

  vi a(2);
  rep(i,2){
    cin>>a[i];
  }
  sort(all(a));
  revers(all(a));
  if(a[0]==a[1]){
    cout<<a[0]*2<<endl;
  }else{
    cout<<a[0]*2-1<<endl;
  }


}

Compiler output:
a.cc: In function 'int main()':
a.cc:44:3: error: 'revers' was not declared in this scope
   44 |   revers(all(a));
      |   ^~~~~~
Language: C++



#include<bits/stdc++.h>
using namespace std;
#define inf INT_MAX
#define INF LLONG_MAX
#define ll long long
#define ull unsigned long long
#define M (int)(1e9+7)
#define P pair<int,int>
#define FOR(i,m,n) for(int i=(int)m;i<(int)n;i++)
#define RFOR(i,m,n) for(int i=(int)m;i>=(int)n;i--)
#define rep(i,n) FOR(i,0,n)
#define rrep(i,n) RFOR(i,n,0)
#define all(a) a.begin(),a.end()
const int vx[4] = {0,1,0,-1};
const int vy[4] = {1,0,-1,0};
#define F first
#define S second
#define PB push_back
#define EB emplace_back
#define int ll
#define vi vector<int>
#define IP pair<int,P>
#define PI pair<P,int>
#define PP pair<P,P>
#define Yes(f){cout<<(f?"Yes":"No")<<endl;}
#define YES(f){cout<<(f?"YES":"NO")<<endl;}
int Madd(int x,int y) {return (x+y)%M;}
int Msub(int x,int y) {return (x-y+M)%M;}
int Mmul(int x,int y) {return (x*y)%M;}


signed main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  cout<<fixed<<setprecision(20);

  int a[2];
  rep(i,2){
    cin>>a[i];
  }
  sort(all(a));
  revers(all(a));
  if(a[0]==a[1]){
    cout<<a[0]*2<<endl;
  }else{
    cout<<a[0]*2-1<<endl;
  }


}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:18: error: request for member 'begin' in 'a', which is of non-class type 'long long int [2]'
   15 | #define all(a) a.begin(),a.end()
      |                  ^~~~~
a.cc:43:8: note: in expansion of macro 'all'
   43 |   sort(all(a));
      |        ^~~
a.cc:15:28: error: request for member 'end' in 'a', which is of non-class type 'long long int [2]'
   15 | #define all(a) a.begin(),a.end()
      |                            ^~~
a.cc:43:8: note: in expansion of macro 'all'
   43 |   sort(all(a));
      |        ^~~
a.cc:15:18: error: request for member 'begin' in 'a', which is of non-class type 'long long int [2]'
   15 | #define all(a) a.begin(),a.end()
      |                  ^~~~~
a.cc:44:10: note: in expansion of macro 'all'
   44 |   revers(all(a));
      |          ^~~
a.cc:15:28: error: request for member 'end' in 'a', which is of non-class type 'long long int [2]'
   15 | #define all(a) a.begin(),a.end()
      |                            ^~~
a.cc:44:10: note: in expansion of macro 'all'
   44 |   revers(all(a));
      |          ^~~
a.cc:44:3: error: 'revers' was not declared in this scope
   44 |   revers(all(a));
      |   ^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll= long long;
using vi= vector<int>;
using vvi= vector<vi>;
using vd= vector<double>;
using vvd= vector<vd>;
using vc= vector<char>;
#define rep(i,x,n) for(int i=x; i<n; i++)
#define all(x) x.begin(), x.end()

int main(){
  int a,b,ans=0;
  cin >> a >> b;

  a>b ? {ans=a; a-1}:{ans=b; b-1}
  a>b ? {ans=a; a-1}:{ans=b; b-1}

  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:9: error: expected primary-expression before '{' token
   16 |   a>b ? {ans=a; a-1}:{ans=b; b-1}
      |         ^
a.cc:16:8: error: expected ':' before '{' token
   16 |   a>b ? {ans=a; a-1}:{ans=b; b-1}
      |        ^~
      |        :
a.cc:16:9: error: expected primary-expression before '{' token
   16 |   a>b ? {ans=a; a-1}:{ans=b; b-1}
      |         ^
a.cc:16:21: error: expected primary-expression before ':' token
   16 |   a>b ? {ans=a; a-1}:{ans=b; b-1}
      |                     ^
a.cc:17:9: error: expected primary-expression before '{' token
   17 |   a>b ? {ans=a; a-1}:{ans=b; b-1}
      |         ^
a.cc:17:8: error: expected ':' before '{' token
   17 |   a>b ? {ans=a; a-1}:{ans=b; b-1}
      |        ^~
      |        :
a.cc:17:9: error: expected primary-expression before '{' token
   17 |   a>b ? {ans=a; a-1}:{ans=b; b-1}
      |         ^
a.cc:17:21: error: expected primary-expression before ':' token
   17 |   a>b ? {ans=a; a-1}:{ans=b; b-1}
      |                     ^
Language: C++

// AtCoder Beginner Contest 124 - Problem A: Buttons
#include <iostream>

using namespace std;

int solve(int A, int B)
{
    return max( { 2*A - 1, 2*B - 1, A + B });
}

int main()
{
    int A, B;
    cin >> A >> B;

    cout << solve(A, B) << '\n';

    return 0;
}


Compiler output:
a.cc: In function 'int solve(int, int)':
a.cc:8:15: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
    8 |     return max( { 2*A - 1, 2*B - 1, A + B });
      |            ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:2:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
Language: C++

include <bits/stdc++.h>
using namespace std;
int main()
{
    int x,y,z,j,e,w;
    cin>>x>>y;
    z=((x-1)+x);
    j=((y-1)+y);
    e=(x+y);
    w=max(z,j);
    cout<<max(w,e);

  
  
 return 0;
}


Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:6:5: error: 'cin' was not declared in this scope
    6 |     cin>>x>>y;
      |     ^~~
a.cc:10:7: error: 'max' was not declared in this scope
   10 |     w=max(z,j);
      |       ^~~
a.cc:11:5: error: 'cout' was not declared in this scope
   11 |     cout<<max(w,e);
      |     ^~~~
Language: C

あ#include "stdio.h"

int main(){
int a,b,ans=0;
  scanf("%d %d",&a,&b);
  printf("%d",((a>=b)?a--:b--)+((a>=b)?a--:b--));
return 0;
}

Compiler output:
main.c:1:3: error: stray '#' in program
    1 | あ#include "stdio.h"
      |   ^
main.c:1:1: error: unknown type name '\U00003042'
    1 | あ#include "stdio.h"
      | ^~
main.c:1:12: error: expected '=', ',', ';', 'asm' or '__attribute__' before string constant
    1 | あ#include "stdio.h"
      |            ^~~~~~~~~
Language: C

#include<stdio.h>

int main(){
  int a,b,ans=0;
  if(a>b){
    ans=2*a-1
  }else if(b>a){
    ans=2*b-1
  }else{
    ans=a+b;
  }
  printf("%d",ans);

  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:14: error: expected ';' before '}' token
    6 |     ans=2*a-1
      |              ^
      |              ;
    7 |   }else if(b>a){
      |   ~           
main.c:8:14: error: expected ';' before '}' token
    8 |     ans=2*b-1
      |              ^
      |              ;
    9 |   }else{
      |   ~
Language: C++

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

using namespace std;
// #define _GLIBCXX_DEBUG

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

    int A, B;
    cin >> A >> B;
    cout << max({2 * A - 1, 2 * B - 1, A + B}) << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:16: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   16 |     cout << max({2 * A - 1, 2 * B - 1, A + B}) << endl;
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/vector:62,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
Language: C++

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

using namespace std;
#define _GLIBCXX_DEBUG

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

    int A, B;
    cin >> A >> B;
    cout << max({2 * A - 1, 2 * B - 1, A + B}) << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:16: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   16 |     cout << max({2 * A - 1, 2 * B - 1, A + B}) << endl;
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/vector:62,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
Language: C++

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

using namespace std;
#define _GLIBCXX_DEBUG

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

    int A, B;
    cin >> A >> B;

    cout << max({2 * A - 1, A + B, 2 * B - 1}) << endl;

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:16: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   17 |     cout << max({2 * A - 1, A + B, 2 * B - 1}) << endl;
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/vector:62,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
Language: C++

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

using namespace std;
#define _GLIBCXX_DEBUG

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

    int A, B;
    cin >> A >> B;

    cout << max({2 * A - 1, A + B, 2 * B - 1}) << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:16: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   17 |     cout << max({2 * A - 1, A + B, 2 * B - 1}) << endl;
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/vector:62,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
Language: C++

#include <iostream>
using namespace std;

int main()
{   
  int A, B;
  cin >> A >> B;
  cout << max({A + A - 1, A + B, B + B - 1}) << endl;
    
    return 0 ;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:8:14: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
    8 |   cout << max({A + A - 1, A + B, B + B - 1}) << endl;
      |           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
Language: Java

import java.util.*;

public class Main {
  public static void main(String[] args) throws Exception{
    
    Scanner sc = new Scanner(System.in);
    
    int A = sc.nextInt();
    int B = sc.nextInt();
    
    int x = 2 * A -1;
    int y = 2 * B -1;
    int z = A + B;
    
    System.out.println(Math.max(z,Math.max(x,y)));
    

Compiler output:
Main.java:15: error: reached end of file while parsing
    System.out.println(Math.max(z,Math.max(x,y)));
                                                  ^
1 error
Language: Java

import java.util.*;
public class Herewego {


	public static void main(String[] args) {
		Scanner input=new Scanner(System.in);
		int a,b;
		a=input.nextInt();
		b=input.nextInt();
		int x=a-1;
		int y=b-1;
		int n=Math.max(Math.max(x+a,y+b), a+b);
				System.out.println(n);	
	}

}


Compiler output:
Main.java:2: error: class Herewego is public, should be declared in a file named Herewego.java
public class Herewego {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int a,b;
    cin>>a>>b;
    int x=a-1;
    int y=b-1;
    int res;
    res=max(max(x+a,y+b)a+b);
    cout<<res;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:25: error: expected ')' before 'a'
   10 |     res=max(max(x+a,y+b)a+b);
      |            ~            ^
      |                         )
a.cc:10:12: error: no matching function for call to 'max(const int&)'
   10 |     res=max(max(x+a,y+b)a+b);
      |         ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 1 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 1 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   template argument deduction/substitution failed:
a.cc:10:12: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   10 |     res=max(max(x+a,y+b)a+b);
      |         ~~~^~~~~~~~~~~~~~
/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:   candidate expects 2 arguments, 1 provided
Language: Java

import java.util.*;
import java.lang.*;
import java.io.*;
public class Unique {
public static void main(String[] args) {
	Scanner input=new Scanner(System.in);

	int a,b;
	a=input.nextInt();
	b=input.nextInt();
	
	int p=Math.max(a*2-1,b*2-1);
	int n=Math.max(p, a+b);
			System.out.println(n);
}
}


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

5 3#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define reprep(i,j,w,h) rep(j,h)rep(i,w)
#define rrep(i,m, n) for(int i = m; i < (int)(n); i++)
#define all(x) (x).begin(),(x).end()
#define aall(x,n) (x).begin(),(x).begin()+(n)
#define pb push_back
#define pf push_front
#define lb lower_bound
#define ub upper_bound
#define fi first
#define se second
#define sum accumulate
#define keta fixed<<setprecision
#define vvector(name,typ,m,n,a)vector<vector<typ> > name(m,vector<typ> (n,a))
#define vvvector(name,t,l,m,n,a) vector<vector<vector<t> > > name(l, vector<vector<t> >(m, vector<int>(n,a)));
typedef long long ll;
const int INF = 2000000000;
const long INF64 = 1000000000000000ll;
const ll MOD = 1000000007LL;
int main(){
    int a,b;
    std::cin >> a>>b;
    if(a==b)std::cout << a*2 << std::endl;
    else std::cout << max(a,b)*2-1 << std::endl;
    
}

Compiler output:
a.cc:1:4: error: stray '#' in program
    1 | 5 3#include <bits/stdc++.h>
      |    ^
a.cc:1:1: error: expected unqualified-id before numeric constant
    1 | 5 3#include <bits/stdc++.h>
      | ^
a.cc: In function 'int main()':
a.cc:24:10: error: 'cin' is not a member of 'std'
   24 |     std::cin >> a>>b;
      |          ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | 5 3#include <bits/stdc++.h>
a.cc:25:18: error: 'cout' is not a member of 'std'
   25 |     if(a==b)std::cout << a*2 << std::endl;
      |                  ^~~~
a.cc:25:18: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:25:38: error: 'endl' is not a member of 'std'
   25 |     if(a==b)std::cout << a*2 << std::endl;
      |                                      ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | 5 3#include <bits/stdc++.h>
a.cc:26:15: error: 'cout' is not a member of 'std'
   26 |     else std::cout << max(a,b)*2-1 << std::endl;
      |               ^~~~
a.cc:26:15: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:26:23: error: 'max' was not declared in this scope
   26 |     else std::cout << max(a,b)*2-1 << std::endl;
      |                       ^~~
a.cc:26:44: error: 'endl' is not a member of 'std'
   26 |     else std::cout << max(a,b)*2-1 << std::endl;
      |                                            ^~~~
a.cc:26:44: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

#include<iostream>
using namespace std;
int main()
{
    int a,b,n;
    cin>>a>>b;
    if(a>b)
        n=b+1;
    {
        cout<<n+a;
    }
    else if(a<=b)
    {
        cout<<a+b;
    }
    
    
    
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:5: error: 'else' without a previous 'if'
   12 |     else if(a<=b)
      |     ^~~~
Language: C++

#include<iostream>
using namespace std;

int main(){
    int a, b, coins;
    cin >> a >> b;
    coins = max(a,b);

    if(a  > b){
        coins += a - 1;
    }else if(a < b){
        coins += b - 1;
    }else{
        coins += a
    }
    cout << coins << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:19: error: expected ';' before '}' token
   14 |         coins += a
      |                   ^
      |                   ;
   15 |     }
      |     ~
Language: C++

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

int main(){
  int a, b;
  cin >> a >> b;
  
  int ans = max(a+a-1,  a+b, b+b-1);
  cout << ans << endl;
}

Compiler output:
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:8:16:   required from here
    8 |   int ans = max(a+a-1,  a+b, b+b-1);
      |             ~~~^~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
Language: C++

a,b = map(int,input().split())
ans = 0
if a>=b:
    ans += a
    a = a - 1
else:
    ans += b
    b = b - 1
if a>=b:
    ans += a
else:
    ans += b
print(ans)


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

#include<stdio.h>

main(){
  int a,b,sum;
  scanf("%d %d",&a,&b);
  
  if(a-b >= 1) sum = 2a -1;
  else if(a-b <= 1) sum = 2b -1;
  else sum = a+b;
  
  printf("%d",sum);
}

Compiler output:
a.cc:3:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    3 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:7:22: error: unable to find numeric literal operator 'operator""a'
    7 |   if(a-b >= 1) sum = 2a -1;
      |                      ^~
a.cc:8:27: error: unable to find numeric literal operator 'operator""b'
    8 |   else if(a-b <= 1) sum = 2b -1;
      |                           ^~
Language: Java

import java.util.*;
public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int b = sc.nextint();
    int answer = 0;
    if(a==b){
      answer = 2*a;
    }else{
      answer = Math.max(a,b) + Math.max(a,b) -1;
    }
    System.out.println(answer);
  }
  

  
}

Compiler output:
Main.java:6: error: cannot find symbol
    int b = sc.nextint();
              ^
  symbol:   method nextint()
  location: variable sc of type Scanner
1 error
Language: C++

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

int main() {
  int a, b, c;
  cin >> a >> b;

  cout << max(a+b, 2*a-1, 2*b-1);
  return 0;
}


Compiler output:
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:11:14:   required from here
   11 |   cout << max(a+b, 2*a-1, 2*b-1);
      |           ~~~^~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include <bits/stdc++>
using namespace std;
int main(){
  int a,b;
  cin>>a>>b;
  int c=0;
  c+=max(a,b);
  if(a>=b)
    a--;
  else
    b--;
  c+=max(a,b);
  cout<<c<<endl;
  return 0;
}
  

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

#include<bits/stdc++.h>
using namespace std;
int main(){
  int a,b;
  cin >>a>>b;
  int count=0, ans=0;
  for(int i=0;i<2;i++){
    if(a<b){
      ans+=b;
      b--;
    }else{
      ans+=a;
      a--;
    }
    cout<<ans<<endl;
    return 0;
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:17:4: error: expected '}' at end of input
   17 |   }
      |    ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
typedef long long ll;
 
int main() {
  int a, b;
  cin >> a >> b;
  int ans = 0;
  ans = max(a+a-1, a+b, b+b-1);
  
  cout << ans << endl;
  return 0;
}

Compiler output:
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:10:12:   required from here
   10 |   ans = max(a+a-1, a+b, b+b-1);
      |         ~~~^~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
Language: C++

#include<iostream>
using namespace std;
int main(){
int a,b;
int max=a+b;
if(max<2*a)max=2*a-1;
if(max<2*b)max=2*b-1);
cout<<max<<endl;
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:21: error: expected ';' before ')' token
    7 | if(max<2*b)max=2*b-1);
      |                     ^
      |                     ;
Language: C

#include <stdio.h>

int main  ()
{ int a,b,c;

scanf("%d %d", &a &b);


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


Compiler output:
main.c: In function 'main':
main.c:6:19: error: invalid operands to binary & (have 'int *' and 'int')
    6 | scanf("%d %d", &a &b);
      |                ~~ ^
      |                |
      |                int *
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
  int A, B;
  cin >> A >> B;
  cout << max(A+B, 2*A-1, 2*B-1) << endl;
}

Compiler output:
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
a.cc:6:14:   required from here
    6 |   cout << max(A+B, 2*A-1, 2*B-1) << endl;
      |           ~~~^~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:306:17: error: '__comp' cannot be used as a function
  306 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~
Language: C++

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

imt main (){
  int a,b;
  cin >>a>>b;
  cout << max({a+b,a+a-1,b+b-1});
 return 0;
}


Compiler output:
a.cc:4:1: error: 'imt' does not name a type; did you mean 'int'?
    4 | imt main (){
      | ^~~
      | int
Language: C++

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

int main() {
  int A,B;
  cin>>A,B;
  int ans=0;
  ans+=max(A,B);
  int C=max(A,B);
  c--;
  ans+=max(C,min(A,B));
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:3: error: 'c' was not declared in this scope
   10 |   c--;
      |   ^