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

#include<bits\stdc++.h>
using namespace std;
int main(){
	int n;
	int X=0;
	int MX=0;
	cin>>n;
	char s[n];
	cin>>s;
	for(int i=0;i<n;i++){
		if(s[i]=='I')
		X++;
		MX=max(X,MX);
		if(s[i]=='D')
		abs(X--);
	}
	cout<<MX;
	return 0;
}

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

#include<iostream>
using namespace std;
int main(){
	int n,x=0;
	cin>> n;
	if((n>=1)&&(n<=100)){
	

	char a[n];
	for(int i=0;i<n;i++){
		cin>>a[i];
		if(a[i]=='I')
		x++;
		else if
		x--;
		else
		break;
	}}
	cout<<++x;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:17: error: expected '(' before 'x'
   15 |                 x--;
      |                 ^
      |                 (
a.cc:16:17: error: 'else' without a previous 'if'
   16 |                 else
      |                 ^~~~
Language: C++

#include <iostream> using namespace std; int main(){ int s,k; cin>>k>>s; for(int x=0;x<=k;x++) { for(int y=0;y<=k;y++) { int z=s-(x+y); if((z>=0)&&(z<=k){ count ++; }}}} cout<<count; return 0; }

Compiler output:
a.cc:1:21: warning: extra tokens at end of #include directive
    1 | #include <iostream> using namespace std; int main(){ int s,k; cin>>k>>s; for(int x=0;x<=k;x++) { for(int y=0;y<=k;y++) { int z=s-(x+y); if((z>=0)&&(z<=k){ count ++; }}}} cout<<count; return 0; }
      |                     ^~~~~
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{int n;cin>>n;string s;cin>>s;
int x=0,mx=0;
for(int i=0;i<n;i++)
{if(s[i]=='I')
{x++;
}
mx=max(x,mx);
}
if(s[i]=='D')
{x--;
}
cout<<mx;
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:6: error: 'i' was not declared in this scope
   12 | if(s[i]=='D')
      |      ^
Language: C++

#include<iostream>
using namespace std;
int main(){
	int N,x=0;
	cin>>N;
	string S;
	cin>>S;
	for(int i=0;i<=N;i++){
		if(S =="I")
		x+=1;
		else
		x-=1;
	}
		if(x>x+1){
			cout<<x;
		}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:18: error: expected '}' at end of input
   16 |                 }
      |                  ^
a.cc:3:11: note: to match this '{'
    3 | int main(){
      |           ^
Language: C++

using namespace std; 
int main() { 
int n , max , count=0;
scanf("%d", &n) ; 
char c[n];  
scanf("%s" , &c) ; 
for(int i=0; i<n-1 ; i++ ) { 
if (c[i]== 'I') { 
max=count;
count++; 


if (max<count) 
max=count;
} 

else{

count--;

}

}

if(max>=0)
printf("%d" , max);

return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:1: error: 'scanf' was not declared in this scope
    4 | scanf("%d", &n) ;
      | ^~~~~
a.cc:26:1: error: 'printf' was not declared in this scope
   26 | printf("%d" , max);
      | ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | using namespace std;
Language: C++

using namespace std; 
int main() { 
int n , max , count=0;
scanf("%d", &n) ; 
char c[n];  
scanf("%s" , &c) ; 
for(int i=0; i<n-1 ; i++ ) { 
if (c[i]== 'I') { 
max=count;
count++; 


if (max<count) 
max=count;
} 

else{

count--;

}

}

if(max>=0)
printf("%d" , max);
else 
printf("0");
return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:1: error: 'scanf' was not declared in this scope
    4 | scanf("%d", &n) ;
      | ^~~~~
a.cc:26:1: error: 'printf' was not declared in this scope
   26 | printf("%d" , max);
      | ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | using namespace std;
a.cc:28:1: error: 'printf' was not declared in this scope
   28 | printf("0");
      | ^~~~~~
a.cc:28:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
Language: C++

#include <iostream>
#include "string.h"
using namespace std;
int main(){
long long n,cnt=1;
string s;
cin>>n>>s;
for(int i=0; i<n; i++){
    if((int)s[i]==73){
         cnt++;
    }
    else if((int)s[i]==68){
        cnt--;
    }
}
cout<<cnt<<" "<<i<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:17: error: 'i' was not declared in this scope
   16 | cout<<cnt<<" "<<i<<endl;
      |                 ^
Language: C++

#include <stdio.h>
#include<cmath>
#include<iostream>
using namespace std;
int main()
{
    int N;
    cin>>N;
    char s[N];
    scanf("%s",&s);
    if(s[N]==1)
    {
        s[N]+=1;
        cout<<max(s[N]);
    }
    else if(s[N]==-1)
    {
        s[N]-=1;
        cout<<max(s[N]);
    }
    else
        cout<<0;

    return 0;

}




}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:18: error: no matching function for call to 'max(char&)'
   14 |         cout<<max(s[N]);
      |               ~~~^~~~~~
In file included from /usr/include/c++/14/bits/specfun.h:43,
                 from /usr/include/c++/14/cmath:3906,
                 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
a.cc:19:18: error: no matching function for call to 'max(char&)'
   19 |         cout<<max(s[N]);
      |               ~~~^~~~~~
/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
a.cc: At global scope:
a.cc:31:1: error: expected declaration before '}' token
   31 | }
      | ^
Language: C

#include<stdio.h>
int main(){
    int n=0,a=0,b=0,max=0;
    char s[101];
    scanf("%d %s", &n, s);
    for(a=0; a<n; a++){
        if(s[a]=='I')
            b++;

        else
            b--;

        if(max<x)
            max=x;

    }
    printf("%d\n",max);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:16: error: 'x' undeclared (first use in this function)
   13 |         if(max<x)
      |                ^
main.c:13:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
  int n=0,a=0,b=0,max=0;
  char s[101];
  scanf("%d %s", &n, s);
  for(a=0; a<n; a++){
    if(s[a]=='I')
        b++;
    
    else
        b--;
  
    if(max<x){
        max=x;
    }
  }
  printf("%d",max);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:12: error: 'x' undeclared (first use in this function)
   13 |     if(max<x){
      |            ^
main.c:13:12: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
    int n=0,a=0,b=0,max=0;
    char s[101];
    scanf("%d %s", &n, s);
    for(a=0; a<n; a++){
        if(s[a]=='I'){
            b++;
        }
        else{
            b--;
        }
        if(max<x){
            max=x;
        }
    }
    printf("%d",max);
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:13:16: error: 'x' undeclared (first use in this function)
   13 |         if(max<x){
      |                ^
main.c:13:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
    int n=0,a=0,b=0,max=0;
    char s[101];
    scanf("%d", &n);
    scanf("%s",s);
    for(a=0; a<=n; a++){
        if(s[a]=='I'){
            b++;
        }
        else{
            b--;
        }
        if(max<x){
            max=x;
        }
    }
    printf("%d",max);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:14:16: error: 'x' undeclared (first use in this function)
   14 |         if(max<x){
      |                ^
main.c:14:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
    int n=0;
    scanf("%d", &n);
    char s[101];
    int a=0,b,max=0;
    scanf("%s",s);
    for(a=0; a<=n; a++){
        if(s[a]=='I'){
            b++;
        }
        else{
            b--;
        }
        if(max<x){
            max=x;
        }
    }
    printf("%d\n",max);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:16: error: 'x' undeclared (first use in this function)
   15 |         if(max<x){
      |                ^
main.c:15:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
    int n=0;
    scanf("%d", &n);
    char s[101];
    int a,b,max=0;
    scanf("%s",s);
    for(a=0; a<=n; a++){
        if(s[a]=='I'){
            b++;
        }
        else{
            b--;
        }
        if(max<x){
            max=x;
        }
    }
    printf("%d\n",max);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:15:16: error: 'x' undeclared (first use in this function)
   15 |         if(max<x){
      |                ^
main.c:15:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
    int n=0;
    scanf("%d", &n);
    char s[101];
    int a,b,max=0;
    scanf("%s",s);
    for(a=0; a<=n; a++){
        if(s[a]=='I')
            b++;
        else
            b--;
        if(max<x)
            max=x;
    }
    printf("%d\n",max);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:13:16: error: 'x' undeclared (first use in this function)
   13 |         if(max<x)
      |                ^
main.c:13:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
    int n=0;
    scanf("%d", &n);
    char s[n+1];
    int a,b,max=0;
    scanf("%s",s);
    for(a=0; a<=n; a++){
        if(s[a]=='I')
            b++;
        else
            b--;
        if(max<x)
            max=x;
    }
    printf("%d\n",max);
    return 0;
}


Compiler output:
main.c: In function 'main':
main.c:13:16: error: 'x' undeclared (first use in this function)
   13 |         if(max<x)
      |                ^
main.c:13:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C

#include<stdio.h>
int main(){
    int n=0;
    scanf("%d", &n);
    char s[n+1];
    int a,b,max=0;
    scanf("%s",s);
    for(a=0; a<=n; a++){
        if(s[a]=="I")
            b++;
        else
            b--;
        if(max<x)
            max=x;
    }
    printf("%d\n",max);
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:16: warning: comparison between pointer and integer
    9 |         if(s[a]=="I")
      |                ^~
main.c:13:16: error: 'x' undeclared (first use in this function)
   13 |         if(max<x)
      |                ^
main.c:13:16: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

#include<iostream>
using namespace std;

int main() {
  int a, b, d = 0;
  cin >> a;
  string c;
  cin >> c;
  
  for(int i = 0; i < a; i++){
    if(c.at(i) == 'I'){
      b++;
    }else{
      b--;
    }
  
      d = max(d,b)
    
  }
    cout << d << endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:17:19: error: expected ';' before '}' token
   17 |       d = max(d,b)
      |                   ^
      |                   ;
   18 | 
   19 |   }
      |   ~
Language: C++

#include<iostream>
using namespace std;

int main() {
  int a, b, d = 0;
  cin >> a;
  string c;
  cin >> c;
  
  for(int i = 0; i < a; i++){
    if(c.at(i) == 'I'){
      b++;
    }else if{
      b--;
    }
  if(d < b){
      d = d + b;
    }
  }
    cout << d << endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:13:13: error: expected '(' before '{' token
   13 |     }else if{
      |             ^
      |             (
Language: C++

#include<iostream>
using namespace std;

int main() {
  int a, b, d = 0;
  cin >> a;
  string c;
  cin >> c;
  
  for(int i = 0; i < a; i++){
    if(c.at(i) == 'I'){
      b++;
    }else{
      b--;
    }
  if(d < b){
      d = d + b;
    }
    
    cout << d << endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:21:4: error: expected '}' at end of input
   21 |   }
      |    ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include<iostream>
using namespace std;

int main() {
  int a, b, d = 0;
  cin >> a;
  string c;
  cin >> c;
  
  for(int i = 0; i < a; i++){
    if(c.at(i) == "I"){
      b++;
    }else{
      b--;
    }if(d < b){
      d = b;
    }
  }
    
    cout << d << 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(c.at(i) == "I"){
      |        ~~~~~~~~^~~~~~
Language: C++

#include<iostream>
using namespace std;

int main() {
  int a, b, d = 0;
  cin >> a;
  string c;
  cin >> c;
  
  for(int i = 0; i < a; i++){
    if(c.at(i) = "I"){
      b++;
    }else{
      b--;
    }if(d < b){
      d = b;
    }
  }
    
    cout << d << endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:11:18: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
   11 |     if(c.at(i) = "I"){
      |                  ^~~
      |                  |
      |                  const char*
Language: C++

#include<iostream>
using namespace std;

int main() {
  int a, b, d = 0;
  cin >> a;
  string c;
  cin >> c;
  
  for(int i = 0; i < a; i++){
    if(c = 'I'){
      b++;
    }else{
      b--;
    }if(d < b){
      d = b;
    }
    
    cout << d << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:10: error: could not convert 'c.std::__cxx11::basic_string<char>::operator=(73)' from 'std::__cxx11::basic_string<char>' to 'bool'
   11 |     if(c = 'I'){
      |        ~~^~~~~
      |          |
      |          std::__cxx11::basic_string<char>
Language: C++

#include<iostream>
using namespace std;

int main() {
  int a, b, d = 0;
  cin >> a;
  string c;
  cin >> c;
  
  for(int i = 0; i < a; i++){
    if(c = "I"){
      b++;
    }else{
      b--;
    }if(d < b){
      d = b;
    }
    
    cout << d << endl;
  }


Compiler output:
a.cc: In function 'int main()':
a.cc:11:10: error: could not convert 'c.std::__cxx11::basic_string<char>::operator=(((const char*)"I"))' from 'std::__cxx11::basic_string<char>' to 'bool'
   11 |     if(c = "I"){
      |        ~~^~~~~
      |          |
      |          std::__cxx11::basic_string<char>
a.cc:20:4: error: expected '}' at end of input
   20 |   }
      |    ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include<iostring>
using namespace std;

int main() {
  int a, b, d = 0;
  cin > a;
  string c;
  cin > c;
  
  for(int i = 0; i < a; i++){
    if(c = "I"){
      b++;
    }else{
      b--;
    }if(d < b){
      d = b;
    }
    
    cout << d << endl;
  }


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

#include <iostream>

int main () {
    int m = -1, cur = 0, n;
    char c;
    cin >> n
    for (register int i = 0; i < n; i++) {
        if(cur>m) {
            m = cur;
        }
        cin >> c;
        if(c=='I') {
            cur++;
        }
        else
            cur--;
    }
    cout << max << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |     cin >> n
      |     ^~~
      |     std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:30: error: 'i' was not declared in this scope
    7 |     for (register int i = 0; i < n; i++) {
      |                              ^
a.cc:18:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   18 |     cout << max << endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:18:13: error: 'max' was not declared in this scope; did you mean 'std::max'?
   18 |     cout << max << endl;
      |             ^~~
      |             std::max
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:
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: 'std::max' declared here
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
a.cc:18:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   18 |     cout << max << endl;
      |                    ^~~~
      |                    std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
#define all(x) begin(x), end(x)
#define dbg(x) cerr << #x << " = " << x << endl
#define _ << ' ' <<
using namespace std;
using ll = long long;
using vi = vector<int>;


int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    int v = 0, c = 0;
    int n;
    cin >> n;
    string s;
    cin >> s;
    for (char c : s)
    {
        if (c == 'I')
            c++;
        else
            c--;
        v = max(v, c);
    }
    cout << v;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:16: error: no matching function for call to 'max(int&, char&)'
   25 |         v = max(v, c);
      |             ~~~^~~~~~
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:   template argument deduction/substitution failed:
a.cc:25:16: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'char')
   25 |         v = max(v, c);
      |             ~~~^~~~~~
/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:25:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   25 |         v = max(v, c);
      |             ~~~^~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a;
  cin>>a;
  string s;
  cin>>s;
  int c=0;
      for(int i=0;i+1<a;i++){
        if(s.at(i)='I')
          c++;
        else
          c--;
        cout <<c;
          }

Compiler output:
a.cc: In function 'int main()':
a.cc:16:12: 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;
 
int main() {
  int a;
  cin>>a;
  string s;
  cin>>s;
  int c=0;
      for(int i=0;i+1<a;i++){
        if(s.at(i)='I')
          c++;
        else
          c--;
        }
        cout <<c;
          

Compiler output:
a.cc: In function 'int main()':
a.cc:16:18: error: expected '}' at end of input
   16 |         cout <<c;
      |                  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int a;
  cin>>a;
  string s;
  cin>>s;
  int c=0;
      for(int i=0;i+1<a;i++){
        if(s.at(i)=I)
          c++;
        else
          c--;
        }
        cout <<c;
          

Compiler output:
a.cc: In function 'int main()':
a.cc:11:20: error: 'I' was not declared in this scope
   11 |         if(s.at(i)=I)
      |                    ^
a.cc:16:18: error: expected '}' at end of input
   16 |         cout <<c;
      |                  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: Java

import java.util.Scanner;

public class B {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = Integer.parseInt(sc.next());
        String S = sc.next();

        int x = 0;
        int M = 0;
        for(int i = 0; i < N; i++){
            if(S.charAt(i) == 'I'){
                x++;
            }else{
                x--;
            }
            if(x > M) M = x;
        }

        System.out.println(M);
    }
}

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

#include<bits/stdc++.h>
using namespace std;
int n,cnt,ans;
char ck;
int main()
{
    cin>>n;
    for(int i=1;i<=n;i++)
    {
        cin>>ch;
        if(ch=='I')
		{
			cnt++;	
		}
        else
        {
        	cnt--;	
		}
        ans=max(ans,cnt);
    }
    cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:14: error: 'ch' was not declared in this scope; did you mean 'ck'?
   10 |         cin>>ch;
      |              ^~
      |              ck
Language: C++

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

int main() {
    ll S,N,pnt(0),ans(0);
    cin>>N>>S;
    for (int i(0);i<S.size();i++){
      if (S[i]=='D')pnt-=1;
      else pnt+=1;
      ans=max(ans,pnt);
    }
    cout<<ans;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:23: error: request for member 'size' in 'S', which is of non-class type 'll' {aka 'long long int'}
    8 |     for (int i(0);i<S.size();i++){
      |                       ^~~~
a.cc:9:12: error: invalid types 'll {aka long long int}[int]' for array subscript
    9 |       if (S[i]=='D')pnt-=1;
      |            ^
Language: C++

#include<bits/srdc++.h>
using namespace std;
int main(){
  int N;
  cin>>N;
  string S;
  cin>>S;
  int sum=0;
  int max=0;
  
  for(int i=0;i<N;i++){
    if(S.at(i)=='I'){
sum++;
      
      if(sum>max){
        max=sum;
      }
    }
    
    else{
      sum--;
    }
  }
  
  cout<<max<<endl;
}

    
  

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

#include <iostream>
using namespace std;
int main(){
	int n;cin>>n;
  	string s;cin>> s;
    int ret=0,ans=0;
   for(auto&& u:s){
   	if(u=='I')ret++;
     else(u=='D')ret--;
     ans=max(ans,ret);
   }
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:18: error: expected ';' before 'ret'
    9 |      else(u=='D')ret--;
      |                  ^~~
      |                  ;
Language: C++

#include <iostream>
using namespace std;
int main(){
	int n;cin>>n;
  	string s;cin s;
    int ret=0,ans=0;
   for(auto&& u:s){
   	if(u=='I')ret++;
     else (u=='D')ret--;
     ans=max(ans,ret);
   }
  cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:21: error: expected ';' before 's'
    5 |         string s;cin s;
      |                     ^~
      |                     ;
a.cc:9:19: error: expected ';' before 'ret'
    9 |      else (u=='D')ret--;
      |                   ^~~
      |                   ;
Language: C++

include <iostream>
using namespace std;
int main(){
	int n;cin>>n;
  	string s;cin s;
    int ret=0,ans=0;
   for(auto&& u:s){
   	if(u=='I')ret++;
     else (u=='D')ret--;
     ans=max(ans,ret);
   }
  cout<<ans<<endl;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <iostream>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:4:15: error: 'cin' was not declared in this scope
    4 |         int n;cin>>n;
      |               ^~~
a.cc:5:9: error: 'string' was not declared in this scope
    5 |         string s;cin s;
      |         ^~~~~~
a.cc:5:21: error: expected ';' before 's'
    5 |         string s;cin s;
      |                     ^~
      |                     ;
a.cc:7:17: error: 's' was not declared in this scope
    7 |    for(auto&& u:s){
      |                 ^
a.cc:10:10: error: 'max' was not declared in this scope
   10 |      ans=max(ans,ret);
      |          ^~~
a.cc:12:3: error: 'cout' was not declared in this scope
   12 |   cout<<ans<<endl;
      |   ^~~~
a.cc:12:14: error: 'endl' was not declared in this scope
   12 |   cout<<ans<<endl;
      |              ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  vector<string> S;
  for (int i=0;i<N;i++){
    cin >> S.at(i);
  }
  int x=0;
  int s=0;
  for (int i=0;i<N;i++){
    if (S.at(i)=="I"){
      s+=1;
    }
    else {
      s-=1;
    }
    x=max{x,s};
  }
  cout << x << endl;
}

    }
    
      

Compiler output:
a.cc: In function 'int main()':
a.cc:19:7: error: cannot resolve overloaded function 'max' based on conversion to type 'int'
   19 |     x=max{x,s};
      |       ^~~
a.cc: At global scope:
a.cc:24:5: error: expected declaration before '}' token
   24 |     }
      |     ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  vector<string> S(N);
  for (int i=0;i<N;i++){
    cin >> S.at(i);
  }
  int x=0;
  for (int i=0;i<N;i++){
    int y=0;
    int z=0;
    if (S.at(i)=="I"){
      int y +=1;
    }
    else{
      int z +=1;
    }
    int s=y-z;
    if (x>s){
      x==x;
    }
    else{
      x==s;
    }
  }
  cout << x << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:13: error: expected initializer before '+=' token
   15 |       int y +=1;
      |             ^~
a.cc:18:13: error: expected initializer before '+=' token
   18 |       int z +=1;
      |             ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  vector<string> S(N);
  for (int i=0;i<N;i++){
    cin >> S.at(i);
  }
  int x=0;
  for (int i=0;i<N;i++){
    int y=0;
    int z=0;
    if (S.at(i)=="I"){
      int y+=1;
    }
    else{
      int z+=1;
    }
    int s=y-z;
    if (x>s){
      x==x;
    }
    else{
      x==s;
    }
  }
  cout << x << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:12: error: expected initializer before '+=' token
   15 |       int y+=1;
      |            ^~
a.cc:18:12: error: expected initializer before '+=' token
   18 |       int z+=1;
      |            ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  vector<int> S(N);
  for (int i=0;i<N;i++){
    cin >> S.at(i);
  }
  int x=0;
  for (int i=0;i<N;i++){
    int y=0;
    int z=0;
    if (S.at(i)=="I"){
      int y+=1;
    }
    else{
      int z+=1;
    }
    int s=y-z;
    if (x>s){
      x==x;
    }
    else{
      x==s;
    }
  }
  cout << x << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:16: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   14 |     if (S.at(i)=="I"){
      |         ~~~~~~~^~~~~
a.cc:15:12: error: expected initializer before '+=' token
   15 |       int y+=1;
      |            ^~
a.cc:18:12: error: expected initializer before '+=' token
   18 |       int z+=1;
      |            ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  vector<int> S(N);
  for (int i=0;i<N;i++){
    cin >> S.at(i);
  }
  int x=0;
  for (int i=0;i<N;i++){
    int I=0;
    int D=0;
    if (S.at(i)=="I"){
      int I+=1;
    }
    else{
      int D+=1;
    }
    int s=I-D;
    if (x>s){
      x==x;
    }
    else{
      x==s;
    }
  }
  cout << x << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:16: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   14 |     if (S.at(i)=="I"){
      |         ~~~~~~~^~~~~
a.cc:15:12: error: expected initializer before '+=' token
   15 |       int I+=1;
      |            ^~
a.cc:18:12: error: expected initializer before '+=' token
   18 |       int D+=1;
      |            ^~
Language: C++

#include <bits/stdc++.h>
#include<algorithm>
#include<math.h>
using namespace std;
 
template <class T> using V = vector<T>;
 
using ll = long long;
using db = double;
using st = string;
using ch = char;
using vll = V<ll>;
using vpll =V<pair<ll,ll>>;
using vst = V<st>;
using vdb = V<db>;
using vch = V<ch>;
 
 
#define FOR(i,a,b) for(ll i=(a);i<(ll)(b);i++)
#define rFOR(i,a,b) for(ll i=(a);i>(ll)(b);i--)
#define oFOR(i,a,b) for(ll i=(a);i<(ll)(b);i+=2)
#define bgn begin()
#define en end()
#define SORT(a) sort((a).bgn,(a).en)
#define REV(a) reverse((a).bgn,(a).en)
#define M(a,b) max(a,b)
#define rM(a,b) min(a,b)
#define fi first
#define se second
#define sz size()
#define gcd(a,b) __gcd(a,b)
#define co(a) cout<<a<<endl;
#define ci(a) cin>>a;
 
 
ll sum(ll n) {
  ll m=0;
  FOR(i,0,20){
    m+=n%10;
    n/=10;
    if(n==0){
      break;
    }
  }
  return m;
}
 
 
ll combi(ll n,ll m) {
  ll ans=1;
  rFOR(i,n,n-m){
    ans*=i;
  }
  FOR(i,1,m+1){
    ans/=i;
  }
  return ans;
}
 
 
ll lcm(ll a,ll b){
  ll n;
  n=a/gcd(a,b)*b;
  return n;
}
 
 
/****************************************\
| Thank you for viewing my code:)        |
| Written by RedSpica a.k.a. RanseMirage |
| Twitter:@asakaakasaka                  | 
\****************************************/
 
 
signed main() {
  ll a;
  	ci(a)
  st s;
  	ci(s)
  ll ans=0;
  ll now=0;
  FOR(i,0,n){
	if(s[i]=='D'){
      now--;
      ans=M(ans,now);
    }
    else{
      now++;
      ans=M(ans,now);
    }
  }
  co(ans)
}

Compiler output:
a.cc: In function 'int main()':
a.cc:82:11: error: 'n' was not declared in this scope
   82 |   FOR(i,0,n){
      |           ^
a.cc:19:40: note: in definition of macro 'FOR'
   19 | #define FOR(i,a,b) for(ll i=(a);i<(ll)(b);i++)
      |                                        ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int n,x=0,maxv=0;
  cin>>n;
  string s;
  cin>>s;
  for(i=0;i<n;i++){
    x+=(s[i]=='I'?1:-1);
    maxv=max(maxv,x);
  }
  cout<<maxv<<endl;
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i=0;i<n;i++){
      |       ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main(){
  int n,x=0,maxv=0;
  cin>>n;
  string s;
  cin>>s;
  for(i=0;i<n;i++){
    x+=(s[i]=='I'?1;-1);
    maxv=max(maxv,x);
  }
  cout<<maxv<<endl;
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i=0;i<n;i++){
      |       ^
a.cc:9:20: error: expected ':' before ';' token
    9 |     x+=(s[i]=='I'?1;-1);
      |                    ^
      |                    :
a.cc:9:20: error: expected primary-expression before ';' token
a.cc:9:20: error: expected ')' before ';' token
    9 |     x+=(s[i]=='I'?1;-1);
      |        ~           ^
      |                    )
a.cc:9:23: error: expected ';' before ')' token
    9 |     x+=(s[i]=='I'?1;-1);
      |                       ^
      |                       ;
Language: C++

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

#define REP(i, n) for(int i=0; i<n;i++)
#define REPR(i, n) for(int i=n-1 ; i>=0; i--)
#define FOR(i, m, n) for(int i=m; i<n; i++)

#define INF 2e9
#define ll long long

int main(){
    int x=0, max = 0, n;
    string s;
    cin>>n>>s;
    while(auto v:s){
        if(v=='I'){
            x++;
        }
        else{
            x--;
        }
        if(x>max){
            max = x;
        }
    }

    cout<<max<<endl;

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:17: error: found ':' in nested-name-specifier, expected '::'
   15 |     while(auto v:s){
      |                 ^
      |                 ::
a.cc:15:16: error: 'v' has not been declared
   15 |     while(auto v:s){
      |                ^
a.cc:15:19: error: qualified-id in declaration before ')' token
   15 |     while(auto v:s){
      |                   ^
a.cc:16:12: error: 'v' was not declared in this scope
   16 |         if(v=='I'){
      |            ^
Language: C++

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

int main()
{
    int n;
    cin>>n;
    string s;
    cin>>s;
    int i=0;
    int arr[n+1];
    arr[0]=0;
    for(int x=0; x<n; x++){
        if(s.at(x)=='I'){
            i++;
        }
        else{
            i--;
        }
        arr[x+1]=i;
    }
    int ans=0;
    for(int x=0; x<=n;x++){
        if(arr[x]>ans){
            ans=arr[x];
        }
    }
    cout<<ans;
    return 0;
}
#include<iostream>
#include<string >
using namespace std;

int main()
{
    int n;
    cin>>n;
    string s;
    cin>>s;
    int i=0;
    int arr[n+1];
    arr[0]=0;
    for(int x=0; x<n; x++){
        if(s.at(x)=='I'){
            i++;
        }
        else{
            i--;
        }
        arr[x+1]=i;
    }
    int ans=0;
    for(int x=0; x<=n;x++){
        if(arr[x]>ans){
            ans=arr[x];
        }
    }
    cout<<ans;
    return 0;
}


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

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

int main(){
  int n,x=0,c=0;
  cin >> n;
  for(int i=0;i<n;i++){
    char s;
    cin >> s;
    if(s=='I')
      x++;
    else
      x--;
    c = max(c,x)
  }
  cout << c << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:17: error: expected ';' before '}' token
   14 |     c = max(c,x)
      |                 ^
      |                 ;
   15 |   }
      |   ~
Language: C++

#include<bits.stdc++.h>
using namespace std;
int main()
{
  int n, c = 0, ans = 0;
  string s;
  cin >> n >> s;
  for(int i = 0; i < n; i++)
  {
    if(s[i] == 'I')c++;
    else c--;
    ans = max(ans, c);
  }
  printf("%d", ans);
  return 0;
}

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

#include <iostream>
#include <vector>
#include <string>
#include <math.h>
typedef long long int ll;
using namespace std;
#define cinf(n,x) for(int i=0;i<(n);i++) cin >> x[i];


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


Compiler output:
a.cc: In function 'int main()':
a.cc:16:15: error: expected ';' before ':' token
   16 |     else ans--:
      |               ^
      |               ;
Language: C++

#include<bits/stdc++.h>
using namespce std;
int main(){
  int N;cin>>N;
  string S;cin>>S;
  int x=0,ans=0;
  for(int i=0;i<S.size();i++){
    if(S.at(i)=='I')x++;
    else x--;
    ans=max(x,ans);
  }
  cout<<ans<<endl;
}

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespce'
    2 | using namespce std;
      |       ^~~~~~~~
a.cc: In function 'int main()':
a.cc:4:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   int N;cin>>N;
      |         ^~~
      |         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:5:3: error: 'string' was not declared in this scope
    5 |   string S;cin>>S;
      |   ^~~~~~
a.cc:5:3: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:5:17: error: 'S' was not declared in this scope
    5 |   string S;cin>>S;
      |                 ^
a.cc:10:9: error: 'max' was not declared in this scope; did you mean 'std::max'?
   10 |     ans=max(x,ans);
      |         ^~~
      |         std::max
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:12:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |   cout<<ans<<endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:12:14: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   12 |   cout<<ans<<endl;
      |              ^~~~
      |              std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include<bits/stdc++.h>
using namespce std;
int main(){
  int N;cin>>N;
  string S;cin>>S;
  int x=0,ans=0;
  for(int i=0;i<S.size();i++){
    if(s.at(i)=='I')x++;
    else x--;
    ans=max(x,ans);
  }
  cout<<ans<<endl;
}

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namespce'
    2 | using namespce std;
      |       ^~~~~~~~
a.cc: In function 'int main()':
a.cc:4:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    4 |   int N;cin>>N;
      |         ^~~
      |         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:5:3: error: 'string' was not declared in this scope
    5 |   string S;cin>>S;
      |   ^~~~~~
a.cc:5:3: note: suggested alternatives:
In file included from /usr/include/c++/14/string:41,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:5:17: error: 'S' was not declared in this scope
    5 |   string S;cin>>S;
      |                 ^
a.cc:8:8: error: 's' was not declared in this scope
    8 |     if(s.at(i)=='I')x++;
      |        ^
a.cc:10:9: error: 'max' was not declared in this scope; did you mean 'std::max'?
   10 |     ans=max(x,ans);
      |         ^~~
      |         std::max
In file included from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51:
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: 'std::max' declared here
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
a.cc:12:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |   cout<<ans<<endl;
      |   ^~~~
      |   std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:12:14: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   12 |   cout<<ans<<endl;
      |              ^~~~
      |              std::endl
In file included from /usr/include/c++/14/istream:41,
                 from /usr/include/c++/14/sstream:40,
                 from /usr/include/c++/14/complex:45,
                 from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <cmath>
#include <cstdio>
#include <iostream>
#include <algorithm>
using namespace std;
int a,t,Max = -1,r,u,q,sb,dasf,dsdff,sadga,sasdfdfsdf;
char c[110];
int main() {
    scanf("%d%s",&a,c);
    for(int i = 0 ; i < a ; ++ i){
        if(c[i] == 'I') {
            t ++;
        }
        else t --;
        Max = max(Max,t);
    if(Max == -1) Max = 0;
    printf("%d",Max);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:2: error: expected '}' at end of input
   19 | }
      |  ^
a.cc:8:12: note: to match this '{'
    8 | int main() {
      |            ^
Language: C++

#include <bits/stdc++.h>
#define cinf(n,x,y,z) for(int i=0;i<(n);i++) cin >> x[i]>>y[i]>>z[i];
typedef long long int ll;
using namespace std;

int main(){
	int n; string s;
	cin >>N >>s;
	int ans=0;
	int cnt=0;
	for(int i=0;i<n;i++){
		if(s[i]=='I')cnt++;
		if(s[i]=='D')cnt--;
		ans=max(ans,cnt);
	}
	cout << ans << endl;
} 


Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: 'N' was not declared in this scope
    8 |         cin >>N >>s;
      |               ^
Language: C++

#include <bits/stdc++.h>
#define cinf(n,x,y,z) for(int i=0;i<(n);i++) cin >> x[i]>>y[i]>>z[i];
typedef long long int ll;
using namespace std;

int main(){
	int n; string s;
	cin >>N >>s;
	int ans=0;
	int cnt=0;
	for(int i=0;i<n;i++){
		if(s[i]=='I')cnt++;
		if(s[i]=='D')cnt--;
		chmax(ans,cnt);
	}
	cout << ans << endl;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: 'N' was not declared in this scope
    8 |         cin >>N >>s;
      |               ^
a.cc:14:17: error: 'chmax' was not declared in this scope
   14 |                 chmax(ans,cnt);
      |                 ^~~~~
Language: C++

#include<bits/std++.h>
using namespace std;
int i,n,num=0,m=0;
char a;
int main()
{
	cin>>n;
	for(i=0;i<n;i++){
		cin>>a;
		if(a=='I'){
			num++;
		}
		else{
			num--;
		}
		max(num,m);
	}
	cout<<num;
	return 0;
}

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

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

int main() {
  int N;
  cin >> N;
  string S;
  cin >> S;
  int x = 0;
  int ans = 0;
  for(int i = 0; i < N; i++) {
    if(S[i] == 'I') {
      x++;
    }
    else {
      x--;
    }
    ans = max (ans, x)
  }
  
  
  cout << ans << endl;
  return 0;
}

  
  
  

Compiler output:
a.cc: In function 'int main()':
a.cc:18:23: error: expected ';' before '}' token
   18 |     ans = max (ans, x)
      |                       ^
      |                       ;
   19 |   }
      |   ~
Language: C++

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

int main() {
  int N;
  cin >> N;
  string S;
  cin >> S;
  int x = 0;
  vector<int> X(N);
  X[N] = 0;
  
  for(int i = 0; i < N; i++) {
    if(S[i] == "I") {
      x++;
      X[i] = x;
    }
    else {
      x--;
      X[i] = x;
    }
  }
  sort(X.begin(), X.end());
  
  cout << X[N] << endl;
  return 0;
}

  
  
  

Compiler output:
a.cc: In function 'int main()':
a.cc:14:13: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   14 |     if(S[i] == "I") {
Language: C++

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

int main() {
  int N;
  cin >> N;
  string S;
  cin S;
  int x = 0;
  vector<int> X(N);
  X[N] = 0;
  
  for(int i = 0; i < N; i++) {
    if(S[i] == "I") {
      X++;
      X[i] = x;
    }
    else {
      x--;
      X[i] = x;
    }
  }
  sort(X.begin(), X.end());
  
  cout << X[N] << endl;
  return 0;
}

  
  
  

Compiler output:
a.cc: In function 'int main()':
a.cc:8:6: error: expected ';' before 'S'
    8 |   cin S;
      |      ^~
      |      ;
a.cc:14:13: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   14 |     if(S[i] == "I") {
a.cc:15:8: error: no 'operator++(int)' declared for postfix '++' [-fpermissive]
   15 |       X++;
      |       ~^~
Language: C++

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

int main() {
  int N;
  cin >> N;
  char S[N];
  cin >> S;
  int count = 0;
  for (int i=0; i<N; i++){
    if(S[i] == "I"){
      count = count +1;
    }
    else{
      count = count -1;
    }
  }
  cout << count <<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:13: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   11 |     if(S[i] == "I"){
      |        ~~~~~^~~~~~
Language: C++

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

int main() {
  int N;
  cin >> N;
  char S[N];
  cin >> S;
  int count = 0;
  for (int i=0; i<N; i++){
    if(S[i] = "I"){
      count = count +1;
    }
    else{
      count = count -1;
    }
  }
  cout << count <<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: error: invalid conversion from 'const char*' to 'char' [-fpermissive]
   11 |     if(S[i] = "I"){
      |               ^~~
      |               |
      |               const char*
Language: C++

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

int main() {
  int N;
  char S[];
  cin >> N;
  cin >> S;
  int count = 0;
  for (int i=0; i<N; i++){
    if(S[i] = "I"){
      count = count +1;
    }
    else{
      count = count -1;
    }
  }
  cout << count <<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:8: error: storage size of 'S' isn't known
    6 |   char S[];
      |        ^
Language: C++

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

int main() {
  int N;
  char S;
  cin >> N;
  cin >> S;
  int count = 0;
  for (int i=0; i<N; i++){
    if(S[i] = "I"){
      count = count +1;
    }
    else{
      count = count -1;
    }
  }
  cout << count <<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:9: error: invalid types 'char[int]' for array subscript
   11 |     if(S[i] = "I"){
      |         ^