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

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

int main(){
  string S;
  cin>>S
  int i=0;
  for(int j=0;j<4;i++){
    if(S.at(i)=='+'){
      i++;
    }else{
      i--;
    }
  }
  cout<<i<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: expected ';' before 'int'
    6 |   cin>>S
      |         ^
      |         ;
    7 |   int i=0;
      |   ~~~    
a.cc:8:19: error: 'i' was not declared in this scope
    8 |   for(int j=0;j<4;i++){
      |                   ^
a.cc:15:9: error: 'i' was not declared in this scope
   15 |   cout<<i<<endl;
      |         ^
Language: C++

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

int main(){
  string S;
  cin>>S
  int i=0;
  for(int i=0;i<4;i++){
    if(S.at(i)=='+'){
      i++;
    }else{
      i--;
    }
  }
  cout<<i<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: expected ';' before 'int'
    6 |   cin>>S
      |         ^
      |         ;
    7 |   int i=0;
      |   ~~~    
a.cc:15:9: error: 'i' was not declared in this scope
   15 |   cout<<i<<endl;
      |         ^
Language: C++

#include <iostream>
#include <string>

int main(){
    using namespace std;
    string s;
    cin >> s;
    int i = 0;
    for (int j = 0; j < s.size(); j++){
        if(s.at(j)=='+')
            i++;
        else
        {
            i--;
        }
        
    }
    printf(i);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:12: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
   18 |     printf(i);
      |            ^
      |            |
      |            int
In file included from /usr/include/c++/14/cstdio:42,
                 from /usr/include/c++/14/ext/string_conversions.h:45,
                 from /usr/include/c++/14/bits/basic_string.h:4154,
                 from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/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/stdio.h:363:43: note:   initializing argument 1 of 'int printf(const char*, ...)'
  363 | extern int printf (const char *__restrict __format, ...);
      |                    ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
string a;
int s=0;
int main()
{
	cin>>a;
	for(int i=0;i<a.size();i++)
		if(a[i]=='+')
			s++;
		if(a[i]=='-')
			s--;
	cout<<s<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:22: error: 'i' was not declared in this scope
   11 |                 if(a[i]=='-')
      |                      ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
typedef vector<int> vec;
int main(){
  string s; int ans=0; cin>>s;
  rep(i,4){if(s[i]=='+') ans++; else ans==;}
  cout<<ans;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:43: error: expected primary-expression before ';' token
    7 |   rep(i,4){if(s[i]=='+') ans++; else ans==;}
      |                                           ^
Language: C++

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

int main() {
	string str;
	cin >> str;
	int ans = 0;
	for(int i=0; i<4; i++){
		if(str.at(i) == "+"){
			ans++;
		}else{
			ans--;
		}
	}
	cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:30: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |                 if(str.at(i) == "+"){
      |                    ~~~~~~~~~~^~~~~~
Language: C++

#include <iostream>
#include <algorithm>

using namespace std;

int main(){
    int result = 0;
    string s;
    cin >> s;
    for(int i = 0; i < s.size(); i++){
        if(s[i] == "+"){
            result++;
        }
        else{
            result--;
        }
    }
    cout << result << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   11 |         if(s[i] == "+"){
Language: C++

#include<bits/stdc++.h>
#define rep(i,n)for(int i=0;i<n;++i)
#include<string>
using namespace std;
typedef long long ll;
//max=({});

int main() {
	string s;
	cin >> s;
	int ans = 0
	for (int i = 0;i < 4;++i) {
			if (s[i] == '+')ans++;
			else ans--;
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: expected ',' or ';' before 'for'
   12 |         for (int i = 0;i < 4;++i) {
      |         ^~~
a.cc:12:24: error: 'i' was not declared in this scope
   12 |         for (int i = 0;i < 4;++i) {
      |                        ^
Language: C++

#include<bits/stdc++.h>
#define rep(i,n)for(int i=0;i<n;++i)
#include<string>
using namespace std;
typedef long long ll;
//max=({});

int main() {
	string s;
	cin >> s;
	int ans = 0
	for (int i = 0;i < 4;++i) {
		if (s[i] == '+')ans++;
		else ans--;
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:9: error: expected ',' or ';' before 'for'
   12 |         for (int i = 0;i < 4;++i) {
      |         ^~~
a.cc:12:24: error: 'i' was not declared in this scope
   12 |         for (int i = 0;i < 4;++i) {
      |                        ^
Language: C++

#include<bits/stdc++.h>
#define rep(i,n)for(int i=0;i<n;++i)
#include<string>
using namespace std;
typedef long long ll;
//max=({});

int main() {
	string s;
	cin >> s;
	int ans = 0
		for (int i = 0;i < 4;++i) {
		if (s[i] == '+')ans++;
		else ans--;
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:17: error: expected ',' or ';' before 'for'
   12 |                 for (int i = 0;i < 4;++i) {
      |                 ^~~
a.cc:12:32: error: 'i' was not declared in this scope
   12 |                 for (int i = 0;i < 4;++i) {
      |                                ^
Language: C++

#include<bits/stdc++.h>
#define rep(i,n)for(int i=0;i<n;++i)
#include<string>
using namespace std;
typedef long long ll;
//max=({});

int main() {
	string s;
	cin >> s;
	int ans=0
	rep(i, 4) {
		if (s[i] == '+')ans++;
		else ans--;
	}
	cout << ans << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:2:17: error: expected ',' or ';' before 'for'
    2 | #define rep(i,n)for(int i=0;i<n;++i)
      |                 ^~~
a.cc:12:9: note: in expansion of macro 'rep'
   12 |         rep(i, 4) {
      |         ^~~
a.cc:12:13: error: 'i' was not declared in this scope
   12 |         rep(i, 4) {
      |             ^
a.cc:2:29: note: in definition of macro 'rep'
    2 | #define rep(i,n)for(int i=0;i<n;++i)
      |                             ^
Language: C++

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

void solve(){

signed main(){
  solve();
}#include<bits/stdc++.h>
using namespace std;

using ll=long long;



void solve(){
    string s;
    cin>>s;
    int cnt=0;
    for(auto c:s){
        if(c=='+'){
            cnt++;
        }else{
            cnt--;
        }
    }   
    cout<<cnt<<endl;
}

signed main(){
    //while(1)
    solve();
}

Compiler output:
a.cc:8:2: error: stray '#' in program
    8 | }#include<bits/stdc++.h>
      |  ^
a.cc: In function 'void solve()':
a.cc:6:12: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
    6 | signed main(){
      |            ^~
a.cc:6:12: note: remove parentheses to default-initialize a variable
    6 | signed main(){
      |            ^~
      |            --
a.cc:6:12: note: or replace parentheses with braces to value-initialize a variable
a.cc:6:14: error: a function-definition is not allowed here before '{' token
    6 | signed main(){
      |              ^
a.cc:8:3: error: 'include' was not declared in this scope
    8 | }#include<bits/stdc++.h>
      |   ^~~~~~~
a.cc:8:11: error: 'bits' was not declared in this scope
    8 | }#include<bits/stdc++.h>
      |           ^~~~
a.cc:8:16: error: 'stdc' was not declared in this scope; did you mean 'std'?
    8 | }#include<bits/stdc++.h>
      |                ^~~~
      |                std
a.cc:9:1: error: expected primary-expression before 'using'
    9 | using namespace std;
      | ^~~~~
a.cc:15:13: error: a function-definition is not allowed here before '{' token
   15 | void solve(){
      |             ^
a.cc:29:12: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   29 | signed main(){
      |            ^~
a.cc:29:12: note: remove parentheses to default-initialize a variable
   29 | signed main(){
      |            ^~
      |            --
a.cc:29:12: note: or replace parentheses with braces to value-initialize a variable
a.cc:29:14: error: a function-definition is not allowed here before '{' token
   29 | signed main(){
      |              ^
a.cc:32:2: error: expected '}' at end of input
   32 | }
      |  ^
a.cc:4:13: note: to match this '{'
    4 | void solve(){
      |             ^
Language: C++

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


int main() {
   int a=0;
   char s[4];

   for(int i=0;i<4;i++){
      if(char[i]=='+'){
         a++;
      }
   else if(char[i]=='-'){
      a--;
   }
   }

   cout<<a <<endl;

}



Compiler output:
a.cc: In function 'int main()':
a.cc:10:14: error: expected unqualified-id before '[' token
   10 |       if(char[i]=='+'){
      |              ^
a.cc:13:16: error: expected unqualified-id before '[' token
   13 |    else if(char[i]=='-'){
      |                ^
Language: C++

#include <bits.stdc++.h>
using namespace std;
int main(){
    int n,k;
    cin >> n >> k;
    int A(n);
    for(int i = 0;i < n;i++){
        cin >> A(i);
    }
    int ans;
    ans = 2(n-1)/k - (n)/k;
    cout << ans;
}

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

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

int main()
{
    int n,z,i;
    char s[1000];
    while(gets(s))
    {
        n=0;
        for(i=0; i<4; i++)
        {
            if(s[i]=='+')
                n=n+1;
            else if(s[i]=='-')
                n=n-1;
        }
        printf("%d\n",n);
    }
    return 0;
}


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

#include <stdio.h>
#include <stdlib.h>

int main()
{
    char f[10];
    int a;
    while(gets(f))
    {
        a=0;
        for(int i=0;i<4;i++)
        {
            if(f[i]=='+')
            a+=1;
            else
                a-=1;
        }
      printf("%d\n",a);
    }

}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:11: error: 'gets' was not declared in this scope; did you mean 'getw'?
    8 |     while(gets(f))
      |           ^~~~
      |           getw
Language: C++

#include<iostream>
using namespace std;

int main(){`
    string s;
    int count = 0;
    cin >> s;

    for(int i = 0; i < 4; i++){
        if(s.at(i) == '+'){
            count += 1;
        }else if(s.at(i) == '-'){
            count -= 1;
        }
    }
    cout << count << endl;

    return 0;
}

Compiler output:
a.cc:4:12: error: stray '`' in program
    4 | int main(){`
      |            ^
Language: C++

#include<iostream>
#include<conio.h>
#include<cstring>
using namespace std;
int main()
{
    char Array[5];
    int i,mind=0;
    cin>>Array;
    for(i=0;i<4;i++)
    {
        if(Array[i]=='+')
        {
            mind=mind+1;
        }
        else if(Array[i]=='-')
        {
            mind=mind-1;
        }
    }
    cout<<mind<<endl;
    return 0;
}


Compiler output:
a.cc:2:9: fatal error: conio.h: No such file or directory
    2 | #include<conio.h>
      |         ^~~~~~~~~
compilation terminated.
Language: Java

import java.util.Scanner;

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

    String s = sc.nextLine();
    int num = 0;
    for(int i=0;i<s.length();i++){
      if(s.charAt(i) == '+'){
        num++;
      }
      else{
        num--;
      }
    }
    System.out.println(num);
  }
}


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

#include<iostream>
using namespace std;
int main()
{
    string s;
    cin>>s;
    if(s=="++++")
    {
        cout<<4;
    }
    else if(s=="+-++"or s=="++-+" or s=="+++-" or s=="-+++")
    {
        cout<<2;
    }
    else if(s=="--++" or s=="-+-+" or s=="++--" or s=="+-+-")
    {
        cout<<0;
    }
    else if(s=="+---" or s=="-+--" or s=="--+-" or s=="---+")
    {
        cout<<-2;
    }
    else if(s=="----")
    {
        cout<<-4;
    }


    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:16: error: unable to find string literal operator 'operator""or' with 'const char [5]', 'long unsigned int' arguments
   11 |     else if(s=="+-++"or s=="++-+" or s=="+++-" or s=="-+++")
      |                ^~~~~~~~
a.cc:11:24: error: expected ')' before 's'
   11 |     else if(s=="+-++"or s=="++-+" or s=="+++-" or s=="-+++")
      |            ~           ^~
      |                        )
Language: C++

#include<bits/stdc++.h>
using namespace stdl;
int main()
{
  int x=0,i
  string s;
  cin>>s;
  for(i=0;i<s.size();i++)
  {
    if(s[i]=='+')
      x++;
    else
      x--;
  }
  cout<<x;
}

Compiler output:
a.cc:2:17: error: 'stdl' is not a namespace-name
    2 | using namespace stdl;
      |                 ^~~~
a.cc: In function 'int main()':
a.cc:6:3: error: expected initializer before 'string'
    6 |   string s;
      |   ^~~~~~
a.cc:7:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    7 |   cin>>s;
      |   ^~~
      |   std::cin
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:146,
                 from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:8: error: 's' was not declared in this scope
    7 |   cin>>s;
      |        ^
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i=0;i<s.size();i++)
      |       ^
a.cc:15:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   15 |   cout<<x;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

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

int main(){
	string N;
  	cin >> N;
  	int ans = 0;
  	for (int i=0; ;<4; i++){
      	if(N[i] == '+'){
          ans++;
        }
      else {
        ans--;
      }
      {
        cout << ans << endl;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:8:24: error: expected primary-expression before '<' token
    8 |         for (int i=0; ;<4; i++){
      |                        ^
a.cc:8:26: error: expected ')' before ';' token
    8 |         for (int i=0; ;<4; i++){
      |             ~            ^
      |                          )
a.cc:8:28: error: 'i' was not declared in this scope
    8 |         for (int i=0; ;<4; i++){
      |                            ^
a.cc:17:2: error: expected '}' at end of input
   17 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

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

int main(){
	string N;
  	cin >> N;
  	int ans = 0
  	for (int i=0; ;<4; i++){
      	if(N[i] == '+'){
          ans++;
        }
      else {
        ans--;
      }
      {
}



Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: expected ',' or ';' before 'for'
    8 |         for (int i=0; ;<4; i++){
      |         ^~~
a.cc:8:24: error: expected primary-expression before '<' token
    8 |         for (int i=0; ;<4; i++){
      |                        ^
a.cc:8:28: error: 'i' was not declared in this scope
    8 |         for (int i=0; ;<4; i++){
      |                            ^
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main (){
  string std;
  int i,r=0;
  for(i=0;i<3;i++){
    if(std[i]=="-")
      r--;
    else
      r++;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:14: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    7 |     if(std[i]=="-")
Language: C++

#include <bits/stdc+.h>
using namespace std;
int main (){
  string std;
  int i,r=0;
  for(i=0;i<3;i++){
    if(std[i]=="-")
      r--;
    else
      r++;
  }
  return 0;
}

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

import java.util.*;

public class Main{
  public static void main(String[] args){
    Scanner sc=new Scanner(Sysem.in);
    char[] c=sc.next().toCharArray();
    int sum=0;
    for(int i=0;i<4;i++){
      if(c[i]=='+'){
        sum++;
      }else{
        sum--;
      }
    }
    System.out.println(sum);
  }
}

Compiler output:
Main.java:5: error: cannot find symbol
    Scanner sc=new Scanner(Sysem.in);
                           ^
  symbol:   variable Sysem
  location: class Main
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  string S;
  cin >> S;
  
  int ans = 0;
  for(int i = 0; i < 4; i++){
  	if(S.at(i) == "+"){
    	ans++;
    }else if(S.at(i) == "-"){
    	ans--;
    }
  }
  
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:20: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   10 |         if(S.at(i) == "+"){
      |            ~~~~~~~~^~~~~~
a.cc:12:22: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   12 |     }else if(S.at(i) == "-"){
      |              ~~~~~~~~^~~~~~
Language: C++

#include <bits/stdc++.h>
typedef long long ll;
#define REP(i,n) for(int i=0;i<n;i++)
#define ALL(x) (x).begin(),(x).end()
using namespace std;

//素因数分解
vector<pair<ll,int>> factorize(ll n){
    vector<pair<ll,int>>res;
    for(ll i=2;i*i<=n;i++){
        if(n%i)continue;
        res.emplace_back(i,0);
        while (n%i == 0)
        {
        n /= i;
        res.back().second++;
        }
        
    }
    if(n != 1) res.emplace_back(n,1);
    return res;
}

void trace(int A[],int N){
    REP(i,N){
        if(i>0)printf(" ");
        printf("%d",A[i]);
    }
    printf("\n");
}


int main(){
    string s;
    cin >> s;
    int ans = 0;
    for(int i=0;i<s.length;i++){
        if(s[i] == '+')ans++;
        else ans--;
    }
    cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:37:21: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   37 |     for(int i=0;i<s.length;i++){
      |                   ~~^~~~~~
      |                           ()
Language: C++

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

int man() {
  
  string S;
  cin >> S;
  
  int s=0;
  for (int i=0; i<S.size(); i++) {
    if (S.at(i)=='+') s++;
  }
  
  cout << s-(S.size()-s) << endl;
}

Compiler output:
a.cc: In function 'int man()':
a.cc:15:1: warning: no return statement in function returning non-void [-Wreturn-type]
   15 | }
      | ^
/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>
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define all(v) v.begin(), v.end()
using namespace std;
typedef long long ll;

int main() {
	const int n = 4;
	int s;
	cin >> s;
	int ans = 0;
	rep(i, n){
		if(s[i] == '+'){
			ans++;
		}else{
			ans--;
		}
	}
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:21: error: invalid types 'int[int]' for array subscript
   13 |                 if(s[i] == '+'){
      |                     ^
Language: C++

#include <iostream>
using namespace std;
int main()
{
  string arr;
  cin>>arr;
  int x = 0;
  for(int i=0;i<4;i++)
  {
    if (arr[i]=='+'){
    x++;
      else{
        x--;
      }
    }
    cout<<x<<endl;
    return 0;
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:12:7: error: expected '}' before 'else'
   12 |       else{
      |       ^~~~
a.cc:10:21: note: to match this '{'
   10 |     if (arr[i]=='+'){
      |                     ^
Language: C++

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

int i=4;
int arr =[i];
for(int i=0;i<n;i++)
{
  cin>> arr[i];
}
  for(int i=0;i>n1;i--)
  
  cout<< i;
  
  
  return 0;
}

Compiler output:
a.cc: In lambda function:
a.cc:6:13: error: expected '{' before ';' token
    6 | int arr =[i];
      |             ^
a.cc: In function 'int main()':
a.cc:6:10: error: cannot convert 'main()::<lambda()>' to 'int' in initialization
    6 | int arr =[i];
      |          ^~~
      |          |
      |          main()::<lambda()>
a.cc:7:15: error: 'n' was not declared in this scope
    7 | for(int i=0;i<n;i++)
      |               ^
a.cc:9:12: error: invalid types 'int[int]' for array subscript
    9 |   cin>> arr[i];
      |            ^
a.cc:11:17: error: 'n1' was not declared in this scope
   11 |   for(int i=0;i>n1;i--)
      |                 ^~
Language: C++

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

int i=0;
int arr =[4];
for(int i=0;i<n;i++)
{
  cin>> arr[i];
}
  for(int i=0;i>n1;i--)
  
  cout<< i;
  
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:11: error: expected identifier before numeric constant
    6 | int arr =[4];
      |           ^
a.cc: In lambda function:
a.cc:6:13: error: expected '{' before ';' token
    6 | int arr =[4];
      |             ^
a.cc: In function 'int main()':
a.cc:6:10: error: invalid user-defined conversion from 'main()::<lambda()>' to 'int' [-fpermissive]
    6 | int arr =[4];
      |          ^~~
a.cc:6:10: note: candidate is: 'constexpr main()::<lambda()>::operator void (*)()() const' (near match)
    6 | int arr =[4];
      |          ^
a.cc:6:10: note:   no known conversion from 'void (*)()' to 'int'
a.cc:7:15: error: 'n' was not declared in this scope
    7 | for(int i=0;i<n;i++)
      |               ^
a.cc:9:12: error: invalid types 'int[int]' for array subscript
    9 |   cin>> arr[i];
      |            ^
a.cc:11:17: error: 'n1' was not declared in this scope
   11 |   for(int i=0;i>n1;i--)
      |                 ^~
Language: C++

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

int i=0
int arr =[4];
for(int i=0;i<n;i++)
{
  cin>> arr[i];
}
  for(int i=0;i>n1;i--)
  
  cout<< i;
  
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:1: error: expected ',' or ';' before 'int'
    6 | int arr =[4];
      | ^~~
a.cc:7:15: error: 'n' was not declared in this scope
    7 | for(int i=0;i<n;i++)
      |               ^
a.cc:9:9: error: 'arr' was not declared in this scope
    9 |   cin>> arr[i];
      |         ^~~
a.cc:11:17: error: 'n1' was not declared in this scope
   11 |   for(int i=0;i>n1;i--)
      |                 ^~
Language: C++

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

#define rep(i,n) for(int i=0;i<(n);i++)

using namespace std;

int main(){
	string s; cin>>s;
	int ans=0;
	rep(i,4) ans+=(s[i]=='+'?1:-1);
	cout<<ans<<endl;

	return 0;
}


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:8:9: error: 'string' was not declared in this scope
    8 |         string s; cin>>s;
      |         ^~~~~~
a.cc:8:19: error: 'cin' was not declared in this scope
    8 |         string s; cin>>s;
      |                   ^~~
a.cc:8:24: error: 's' was not declared in this scope
    8 |         string s; cin>>s;
      |                        ^
a.cc:11:9: 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 <iostream>
#include <vector>
#include <algorithm>
#include <string.h>
#include <iomanip>
#include <map>
using namespace std;
int main()
{
    string s;
    double ans = 0;
    cin >> s;
    for (int i = 0; i < 4; i++)
    {
        if (s[i] == '+')
        {
            ans++
        }
        else
        {
            ans--
        }
    }
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:18: error: expected ';' before '}' token
   17 |             ans++
      |                  ^
      |                  ;
   18 |         }
      |         ~         
a.cc:21:18: error: expected ';' before '}' token
   21 |             ans--
      |                  ^
      |                  ;
   22 |         }
      |         ~
Language: C++

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

int main(){
 string s;
cin >> s ;
int ans=0;
for(int i=0;i<4;++i){
if(s.at(i) == '+') ans++ ;
if(s.at(i) == '-') ans-- ;7
}
cout << ans << endl;

}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:28: error: expected ';' before '}' token
   10 | if(s.at(i) == '-') ans-- ;7
      |                            ^
      |                            ;
   11 | }
      | ~
Language: C++

#include <bits/stdc++.h>
#include <stdio.h>
#include <ios>     
#include <iomanip> 

using namespace std;
#define inputInt(a) int a; cin >> a; 
#define inputInt2(a,b) int a; int b; cin >> a >> b; 
#define inputInt3(a,b,c) int a; int b; int c; cin >> a >> b >> c;
#define inputLong(a) long a;cin >> a; 
#define inputIntArray(a,N) int a[N];for(int i=0;i<N;i++){cin >> a[i];}
#define inputLongArray(a,N) long a[N];for(int i=0;i<N;i++){cin >> a[i];}
#define inputIntArray2(a,b,N) int a[N]; int b[N]; for(int i=0;i<N;i++){cin >> a[i] >> b[i];}
#define output(answer) cout << answer << endl;
#define fN(i,N)    for(int i=0; i<N; i++)
#define fSE(i,s,e) for(int i=s; i<=e; i++)
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }

int main()
{
  //input
  string s;
  cin >> s;

  //main
  
  // output
  int ans = 0;
  fN(i,4){
    if(s[i]=="+"){ans++;}
    else{ans--;}
  }
  cout << ans << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   31 |     if(s[i]=="+"){ans++;}
Language: C++

#include <bits/stdc++.h>
#include <stdio.h>
#include <ios>     
#include <iomanip> 

using namespace std;
#define inputInt(a) int a; cin >> a; 
#define inputInt2(a,b) int a; int b; cin >> a >> b; 
#define inputInt3(a,b,c) int a; int b; int c; cin >> a >> b >> c;
#define inputLong(a) long a;cin >> a; 
#define inputIntArray(a,N) int a[N];for(int i=0;i<N;i++){cin >> a[i];}
#define inputLongArray(a,N) long a[N];for(int i=0;i<N;i++){cin >> a[i];}
#define inputIntArray2(a,b,N) int a[N]; int b[N]; for(int i=0;i<N;i++){cin >> a[i] >> b[i];}
#define output(answer) cout << answer << endl;
#define fN(i,N)    for(int i=0; i<N; i++)
#define fSE(i,s,e) for(int i=s; i<=e; i++)
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }

int main()
{
  //input
  string s;
  cin >> s;

  //main
  
  // output
  int ans = 0;
  fN(i,N){
    if(s[i]=="+"){ans++;}
    else{ans--;}
  }
  cout << ans << endl;
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:8: error: 'N' was not declared in this scope
   30 |   fN(i,N){
      |        ^
a.cc:15:35: note: in definition of macro 'fN'
   15 | #define fN(i,N)    for(int i=0; i<N; i++)
      |                                   ^
a.cc:31:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   31 |     if(s[i]=="+"){ans++;}
Language: C++

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

int main() {
    int ans = 0;
    for(int i = 0, i < 4; i++){
        char s;
        cin >> s;
        if (s == '+') {
            ans++;
        }
        else {
            ans--;
        }
    }
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:21: error: expected ';' before '<' token
    6 |     for(int i = 0, i < 4; i++){
      |                     ^~
      |                     ;
a.cc:6:22: error: expected primary-expression before '<' token
    6 |     for(int i = 0, i < 4; i++){
      |                      ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
    string str;
    cin >> str;
    int takahashi = 0;
    for(int i=0;i<4;i++){
        if(str.at(i) == "+"){
            takahashi++;
        }
        else takahashi--
    }
    cout << takahashi;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:22: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
    9 |         if(str.at(i) == "+"){
      |            ~~~~~~~~~~^~~~~~
a.cc:12:25: error: expected ';' before '}' token
   12 |         else takahashi--
      |                         ^
      |                         ;
   13 |     }
      |     ~
Language: C++

#include <set>
#include <map>
#include <list>
#include <queue>
#include <stack>
#include <cmath>
#include <ctime>
#include <cstdio>
#include <vector>
#include <string>
#include <bitset>
#include <cctype>
#include <cstdlib>
#include <cstring>
#include <utility>
#include <numeric>
#include <complex>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <cassert>
#include <iostream>
#include <iterator>
#include <algorithm>
using namespace std;
typedef long long ll;
typedef vector<int> vint;
typedef pair<int, int> pint;
typedef vector<long long> vlong;
#define rep(i, n) REP(i, 0, n)
#define all(v) v.begin(), v.end()
#define REP(i, x, n) for(int i = x; i < n; i++)
#define INF 2e9
signed main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  string s;
  int count=0;
  rep(i,4){
    if(s[i]=="+"){
      count++;
    }
    else{
      count--;
    }
  }
  cout<<count<<'\n';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:40:12: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   40 |     if(s[i]=="+"){
Language: C

#include <stdio.h>
int main(void){
  char s[100];
  count=0,count2=0;
  if(s[count2]=='+'){count++;}
  else {count--;}
  count2++;
      if(s[count2]=='+'){count++;}
  else {count--;}
  count2++;
      if(s[count2]=='+'){count++;}
  else {count--;}
  count2++;
      if(s[count2]=='+'){count++;}
  else {count--;}
printf("%d",count);
    return 0;
  
}

Compiler output:
main.c: In function 'main':
main.c:4:3: error: 'count' undeclared (first use in this function)
    4 |   count=0,count2=0;
      |   ^~~~~
main.c:4:3: note: each undeclared identifier is reported only once for each function it appears in
main.c:4:11: error: 'count2' undeclared (first use in this function)
    4 |   count=0,count2=0;
      |           ^~~~~~
Language: C

#include <stdio.h>
int main(void){
  char s[100];
  count=0,count2=0;
  if(s[count2]=='+'){count++}
  else {count--;}
  count2++;
      if(s[count2]=='+'){count++}
  else {count--;}
  count2++;
      if(s[count2]=='+'){count++}
  else {count--;}
  count2++;
      if(s[count2]=='+'){count++}
  else {count--;}
printf("%d",count);
    return 0;
  
}

Compiler output:
main.c: In function 'main':
main.c:4:3: error: 'count' undeclared (first use in this function)
    4 |   count=0,count2=0;
      |   ^~~~~
main.c:4:3: note: each undeclared identifier is reported only once for each function it appears in
main.c:4:11: error: 'count2' undeclared (first use in this function)
    4 |   count=0,count2=0;
      |           ^~~~~~
main.c:5:29: error: expected ';' before '}' token
    5 |   if(s[count2]=='+'){count++}
      |                             ^
      |                             ;
main.c:8:33: error: expected ';' before '}' token
    8 |       if(s[count2]=='+'){count++}
      |                                 ^
      |                                 ;
main.c:11:33: error: expected ';' before '}' token
   11 |       if(s[count2]=='+'){count++}
      |                                 ^
      |                                 ;
main.c:14:33: error: expected ';' before '}' token
   14 |       if(s[count2]=='+'){count++}
      |                                 ^
      |                                 ;
Language: C

#include<stdio.h>
int main(void)
{
  int num = 0;
  char str[8];
  
  fgets(str,sizeof(str),stdin);
  
  for(i=0;i<4;i++)
  {
    if(str[i] == '+')
    {
      num++;
    }else if(str[i] == '-')
    {
      num--;
    }else
    {
      puts("error");
    }
  }
  
  printf("%d",num);
  
  return 0;
}
    

Compiler output:
main.c: In function 'main':
main.c:9:7: error: 'i' undeclared (first use in this function)
    9 |   for(i=0;i<4;i++)
      |       ^
main.c:9:7: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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


long long  INF=1000000000000000000;
long long mod=1000000007;
using namespace std;


int main(){
string s;
 long long ans=0;
  for(int i=0;i<N;i++){
   if(s[i]=="-")ans++;
    else ans--;
  }
  cout<<ans<<endl;
 return 0;
}
/*

*/

Compiler output:
a.cc: In function 'int main()':
a.cc:16:17: error: 'N' was not declared in this scope
   16 |   for(int i=0;i<N;i++){
      |                 ^
a.cc:17:11: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   17 |    if(s[i]=="-")ans++;
Language: C++

using namespace std;

int main(){
  vector<char> s(4);
  for(int i=0;i<4;i++){
    cin >> s.at(i);
  }
  int count1=0;
  int count2=0;
   for(int i=0;i<4;i++){
     if(s.at(i)=='+'){
       count1++;
     }else{
       count2++;
     }}
     cout << count1-count2 << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'vector' was not declared in this scope
    4 |   vector<char> s(4);
      |   ^~~~~~
a.cc:1:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
  +++ |+#include <vector>
    1 | using namespace std;
a.cc:4:10: error: expected primary-expression before 'char'
    4 |   vector<char> s(4);
      |          ^~~~
a.cc:6:5: error: 'cin' was not declared in this scope
    6 |     cin >> s.at(i);
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:6:12: error: 's' was not declared in this scope
    6 |     cin >> s.at(i);
      |            ^
a.cc:11:9: error: 's' was not declared in this scope
   11 |      if(s.at(i)=='+'){
      |         ^
a.cc:16:6: error: 'cout' was not declared in this scope
   16 |      cout << count1-count2 << endl;
      |      ^~~~
a.cc:16:6: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:16:31: error: 'endl' was not declared in this scope
   16 |      cout << count1-count2 << endl;
      |                               ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll= long long;
using vi= vector<int>;
using vvi= vector<vi>;
#define REP(i,x,n) for(int i=x; i<n; i++)
#define rep(i,n) REP(i,0,n)

int main(){
  int ans;
  string s;
  cin >> s;

  rep(i,4){
    if(s[i]=='+') ans++;
    else ans--;
  }
  cout << p-m << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:11: error: 'p' was not declared in this scope
   18 |   cout << p-m << endl;
      |           ^
a.cc:18:13: error: 'm' was not declared in this scope
   18 |   cout << p-m << endl;
      |             ^
Language: C++

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

int main(){
    char c[4];

    int count = 0;

    for(int i=0; i<4; i++){
        cin>>c[i];
        if(c[i] = '+')count++

        else count--;

    }

    cout<<count<<endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:30: error: expected ';' before 'else'
   11 |         if(c[i] = '+')count++
      |                              ^
      |                              ;
   12 | 
   13 |         else count--;
      |         ~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
int main() {
  string s;
  cin>>s;
  int ans=0;
  rep(i,4){
    if(s.at(i)=='+'){
      ans++;
    }
    else{
      ans--;
    }
    cout<<ans;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:2: error: expected '}' at end of input
   16 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
int main() {
  string s;
  int ans=0;
  rep(i,4){
    if(s.at(i)=='+'){
      ans++;
    }
    else{
      ans--;
    }
    cout<<ans;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
int main() {
  string s;
  int ans=0;
  rep(i,4){
    if(s.at(i)=='+'){
      s++;
    }
    else{
      s--;
    }
    cout<<ans;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:8: error: no 'operator++(int)' declared for postfix '++' [-fpermissive]
    9 |       s++;
      |       ~^~
a.cc:12:8: error: no 'operator--(int)' declared for postfix '--' [-fpermissive]
   12 |       s--;
      |       ~^~
a.cc:15:2: error: expected '}' at end of input
   15 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
int main() {
  int s=0;
  rep(i,4){
    if(s.at(i)=='+'){
      s++;
    }
    else{
      s--;
    }
    cout<<s;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: request for member 'at' in 's', which is of non-class type 'int'
    7 |     if(s.at(i)=='+'){
      |          ^~
a.cc:14:2: error: expected '}' at end of input
   14 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include<iostream>
#include<string>
#include<vector>
using namespace std;
void main()
{
    string srt;
    int i,l=0,r=0;
    cin>>srt;
    for(i=0;i<=3;i++)
    {
        if(srt[i]==43)
    {
       l++;
    }
    else if(srt[i]==45)
    {
        r++;
    }

}
cout<<l-r<<endl;
 return 0;

}


Compiler output:
a.cc:5:1: error: '::main' must return 'int'
    5 | void main()
      | ^~~~
Language: C++

#include <algorithm>
#include <cmath>
#include <iostream>
#include <numeric>
#include <string>
#include <string.h>
#include <vector>

#define REP(i,x) for(int i{ 0 }; i < (int)(x); i++)
#define REPC(i,x) for(int i{ 0 }; i <= (int)(x); i++)
#define RREP(i,x) for(int i{ (int)(x) - 1 }; i >= 0 ;i--)
#define RREPC(i,x) for(int i{ (int)(x)}; i >= 0; i--)
#define PB push_back
#define MP make_pair
#define F first
#define S second
#define SZ(x) ((int)(x).size())
#define ALL(x) (x).begin(),(x).end()

typedef int64_t int64;
typedef int64_t ll;

const int dx[4] = { 1, 0, -1,  0 };
const int dy[4] = { 0, 1,  0, -1 };

template<class T>bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; }
template<class T>bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; }

using namespace std;


class A {
	string s;
public:
	A()
	{
		cin >> s;
	}
	void solve()
	{
		int ans{ 0 };

		REP(i, n)
			if (s[i] == '+')
				ans++;
			else
				ans--;

		cout << ans << endl;

	}
};


int main()
{
	A solution;
	solution.solve();

	return 0;
}

Compiler output:
a.cc: In member function 'void A::solve()':
a.cc:43:24: error: 'n' was not declared in this scope; did you mean 'yn'?
   43 |                 REP(i, n)
      |                        ^
a.cc:9:44: note: in definition of macro 'REP'
    9 | #define REP(i,x) for(int i{ 0 }; i < (int)(x); i++)
      |                                            ^
Language: C++

<bits/stdc++.h>

int main()
{
  int n{};
  for(int i = 0; i < 3; ++i){
    char c; std::cin >> c;
    if(c == '+')
      ++n;
    else
      --n;
  }
  std::cout << n << std::endl;
  return 0;
}

Compiler output:
a.cc:1:1: error: expected unqualified-id before '<' token
    1 | <bits/stdc++.h>
      | ^
Language: C++

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

int main() {
  char S[4];
  cin >> S[0] >> S[1] >> S[2] >> S[3];
  
  int res = 0;
  for(int i=0 ; i < 4 ; ++i){
  	if(S[i]=="+") ++res;
  	else --res;
  }
  
  cout << res << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:16: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   11 |         if(S[i]=="+") ++res;
      |            ~~~~^~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main(){
    String S;
    cin >> S;

    int n = S.length();
    int count = 0;
    for (int i = 0; i < n; i++){
        if (S[i] == '+'){
            count++;
        }
        else {
        count--;
        }
    }
    cout << count << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'String' was not declared in this scope
    5 |     String S;
      |     ^~~~~~
a.cc:6:12: error: 'S' was not declared in this scope
    6 |     cin >> S;
      |            ^
Language: C++

#include <iostream>
#include <string>
using namespace std;
int main() {
    string s;
    cin >> s;
    int ans=0;
    for(int i=0; i<4; i++) {
        if(s[i]=='+') ans++;
        else if(s[i]==='-') ans--;
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:23: error: expected primary-expression before '=' token
   10 |         else if(s[i]==='-') ans--;
      |                       ^
Language: C++

using namespace std;
using ll = long long;
using ld = long double;

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

    int result = 0;
    for ( int i = 0; i < 4; ++i )
    {
        switch ( S[ i ] )
        {
            case '+': ++result; break;
            case '-': --result; break;
        }
    }

    cout << result << endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:5: error: 'string' was not declared in this scope
    7 |     string S;
      |     ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | using namespace std;
a.cc:8:5: error: 'cin' was not declared in this scope
    8 |     cin >> S;
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:8:12: error: 'S' was not declared in this scope
    8 |     cin >> S;
      |            ^
a.cc:20:5: error: 'cout' was not declared in this scope
   20 |     cout << result << endl;
      |     ^~~~
a.cc:20:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:20:23: error: 'endl' was not declared in this scope
   20 |     cout << result << endl;
      |                       ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | using namespace std;
Language: C++

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

  string s;
  cin >> s;
  int ans = 0;
  for (int i=0; i<4; i++){
    if (s[i] = '+'){
      ans += 1;
    }
    else(s[i] = '-'){
      ans -= 1;
    }
  }
  cout << ans << endl;
  return 0;
}
     

Compiler output:
a.cc: In function 'int main()':
a.cc:14:21: error: expected ';' before '{' token
   14 |     else(s[i] = '-'){
      |                     ^
      |                     ;
Language: C++

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

  string s;
  cin >> s;
  int ans = 0;
  for (int i=0; i<4; i++){
    if (s[i] = '+'){
      ans += 1;
    }
    else{
      ans -= 1;
    }
  }
  cout << ans << endl;
  retern 0;
}
     

Compiler output:
a.cc: In function 'int main()':
a.cc:19:3: error: 'retern' was not declared in this scope; did you mean 'extern'?
   19 |   retern 0;
      |   ^~~~~~
      |   extern
Language: C++

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

  string s;
  cin >> s;
  int ans = 0;
  for (int i=0; i<4; i++){
    if (s[i] = '+'){
      ans += 1;
    }
    else{
      ans -= 1;
    }
  }
  cout << ans << endl;
  retrn 0;
}
     

Compiler output:
a.cc: In function 'int main()':
a.cc:19:3: error: 'retrn' was not declared in this scope
   19 |   retrn 0;
      |   ^~~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
  char c;
  int ans = 0;
  for (int i-0; i<4; i++) {
    cin >> c;
    if (c == '+') ans++;
    else ans--;
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: expected ';' before '-' token
    7 |   for (int i-0; i<4; i++) {
      |             ^
      |             ;
a.cc:7:20: error: expected ')' before ';' token
    7 |   for (int i-0; i<4; i++) {
      |       ~            ^
      |                    )
a.cc:7:22: error: 'i' was not declared in this scope
    7 |   for (int i-0; i<4; i++) {
      |                      ^
Language: C++


#include<cmath>
#include<iostream>
#include<algorithm>
#include <string>
#include <stdexcept>
using namespace std; 
int main(){
  char t[4]
 long long int a,b[120],c=0,d,e; 
 	cin >>t;
  for(int i=0;i<4;i++){
   if(t[i]=='-')c-=1;
    else c+=1;
  }
  cout <<c;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:2: error: expected initializer before 'long'
   10 |  long long int a,b[120],c=0,d,e;
      |  ^~~~
a.cc:11:15: error: 't' was not declared in this scope; did you mean 'tm'?
   11 |         cin >>t;
      |               ^
      |               tm
a.cc:13:17: error: 'c' was not declared in this scope
   13 |    if(t[i]=='-')c-=1;
      |                 ^
a.cc:14:10: error: 'c' was not declared in this scope
   14 |     else c+=1;
      |          ^
a.cc:16:10: error: 'c' was not declared in this scope
   16 |   cout <<c;
      |          ^
Language: C++

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

int main(){
  string s;
  int ans=0;
  for(int i=0;i<4,i++){
    if(s.at(i)=='+') ans+=1;
    else ans-=1;
  }
  cout << ans << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:22: error: expected ';' before ')' token
    7 |   for(int i=0;i<4,i++){
      |                      ^
      |                      ;
Language: C++

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

int main(){
  string s;
  int ans=0;
  for(int i=0;i<4,i++){
    if(s.at(i)=='+') sum+=1;
    else sum-=1;
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:22: error: expected ';' before ')' token
    7 |   for(int i=0;i<4,i++){
      |                      ^
      |                      ;
a.cc:8:22: error: 'sum' was not declared in this scope
    8 |     if(s.at(i)=='+') sum+=1;
      |                      ^~~
a.cc:9:10: error: 'sum' was not declared in this scope
    9 |     else sum-=1;
      |          ^~~