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

#include <iostream>
#include <stack>
#include <cstring>
#include <vector>

typedef long long int LL;

using namespace std;

int main() {
    string A;
    cin >> A;
    stack<LL> S1;
    stack<pair<LL, LL>> S2;
    LL sum = 0;
    vector<LL> ans;

    char c;
    for (LL i = 0; cin >> c; ++i) {
        if (c == '\\') S1.push(i);
        else if (c == '/' && !S1.empty()) {
            LL j = S1.top();
            S1.pop();
            sum += i - j;
            LL a = i - j;
            while (!S2.empty() && S2.top().first > j) {
                a += S2.top().second;
                S2.pop();
            }
            S2.push(make_pair(j, a));
        }
    }

    while (!S2.empty()) {
        ans.push_back(S2.top().second);
        S2.pop();
    }
    reverse(ans.begin(), ans.end());
    printf("%llu\n", sum);
    printf("%lu", ans.size());
    for (LL &an: ans) {
        printf(" ");
        printf("%llu", an);
    }
    printf("\n");

    return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:38:5: error: 'reverse' was not declared in this scope
   38 |     reverse(ans.begin(), ans.end());
      |     ^~~~~~~
Language: C++

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

using namespace std;

int main()
{
    stack<int> S1;
    stack<pair<int,int>> S2;
    char ch;
    int area = 0;
    for(int i=0; cin >> ch; i++ ){
        if( ch =='\\'){
            S1.push(i);
        }else if( ch == '/' and S1.size()>0){
            int j= S1.top();
            S1.pop();
            area += i-j;
            int a = i-j;
            while( S2.size()>0 and S2.top().first > j ){
                a+= S2.top().second;
                S2.pop();
            }
            S2.push(make_pair(j,a));
        }
    }

    vector<int> ans;
    while( S2.size() > 0){
        ans.push_back(S2.top.second);
        S2.pop();
    }
    reverse(ans.begin(),ans.end());

    cout << area << endl;
    cout << ans.size();
    for(int i=0; i<ans.size(); ++i){
        cout <<" " << ans[i];
    }
    cout << endl;

}


Compiler output:
a.cc: In function 'int main()':
a.cc:33:26: error: invalid use of member function 'std::stack<std::pair<int, int> >::top' (did you forget the '()' ?)
   33 |         ans.push_back(S2.top.second);
      |                       ~~~^~~
Language: C++

#include <iostream>
#include <stack>
#include <cstdlib>
#include <sstring>
#include <string>
using namespace std;

int _stoi(string s) {
    return atoi(s.c_str());
}

int popValue(stack<int> *S) {
    int retVal = S->top();
    S->pop();
    return retVal;
}

struct depthAndAmount {
    int depth;
    int amount;
};

depthAndAmount popValue(stack<depthAndAmount> *S) {
    depthAndAmount retVal = S->top();
    S->pop();
    return retVal;
}

int main(int argc, const char * argv[]) {
    stack<int> S;
    stack<depthAndAmount> S2;
    string s;
    int i = 0;
    int total = 0;
    int depth = 0;
    cin >> s;
    
    while(i < s.length()){
        if (s[i] == '\\') {
            depth++;
            S.push(i);
        } else if (s[i] == '/') {
            int plus = 0;
            depth--;
            if (S.empty() == false) {
                int prevJ = popValue(&S);
                plus = i - prevJ;
            }
            total += plus;
            if (S2.empty() == false && S2.top().depth > depth) {
                depthAndAmount daa = S2.top();
                int amount = 0;
                do {
//                    cout << "/1 " << S2.top().depth << ", " << S2.top().amount << endl;
                    S2.pop();
                    amount += daa.amount;
                    
                    
                    if (S2.empty() == false) {
                        daa = S2.top();
                    } else {
                        break;
                    }
                } while (daa.depth > depth);
                daa.depth = depth;
                daa.amount = amount + plus;
                S2.push(daa);
            } else {
                depthAndAmount daa;
                daa.depth = depth;
                daa.amount = plus;
                S2.push(daa);
                
//                cout << "/2 " << S2.top().depth << ", " << S2.top().amount << endl;
            }
        } else if (s[i] == '_') {
        }
        i++;
    }
    string output;
    while (S2.empty() == false) {
        output = " " + to_string(popValue(&S2).amount) + output;
    }
    
    cout << to_string(total) << output << endl;
    
    return 0;
}

Compiler output:
a.cc:4:10: fatal error: sstring: No such file or directory
    4 | #include <sstring>
      |          ^~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
#include <stack>
#include <cstdlib>
using namespace std;

int _stoi(string s) {
    return atoi(s.c_str());
}

int popValue(stack<int> *S) {
    int retVal = S->top();
    S->pop();
    return retVal;
}

struct depthAndAmount {
    int depth;
    int amount;
};

depthAndAmount popValue(stack<depthAndAmount> *S) {
    depthAndAmount retVal = S->top();
    S->pop();
    return retVal;
}

int main(int argc, const char * argv[]) {
    stack<int> S;
    stack<depthAndAmount> S2;
    string s;
    int i = 0;
    int total = 0;
    int depth = 0;
    cin >> s;
    
    while(i < s.length()){
        if (s[i] == '\\') {
            depth++;
            S.push(i);
        } else if (s[i] == '/') {
            int plus = 0;
            depth--;
            if (S.empty() == false) {
                int prevJ = popValue(&S);
                plus = i - prevJ;
            }
            total += plus;
            if (S2.empty() == false && S2.top().depth > depth) {
                depthAndAmount daa = S2.top();
                int amount = 0;
                do {
//                    cout << "/1 " << S2.top().depth << ", " << S2.top().amount << endl;
                    S2.pop();
                    amount += daa.amount;
                    
                    
                    if (S2.empty() == false) {
                        daa = S2.top();
                    } else {
                        break;
                    }
                } while (daa.depth > depth);
                daa.depth = depth;
                daa.amount = amount + plus;
                S2.push(daa);
            } else {
                depthAndAmount daa;
                daa.depth = depth;
                daa.amount = plus;
                S2.push(daa);
                
//                cout << "/2 " << S2.top().depth << ", " << S2.top().amount << endl;
            }
        } else if (s[i] == '_') {
        }
        i++;
    }
    string output;
    while (S2.empty() == false) {
        output = " " + IntToString(popValue(&S2).amount) + output;
    }
    
    cout << IntToString(total) << output << endl;
    
    return 0;
}

Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:80:24: error: 'IntToString' was not declared in this scope
   80 |         output = " " + IntToString(popValue(&S2).amount) + output;
      |                        ^~~~~~~~~~~
a.cc:83:13: error: 'IntToString' was not declared in this scope
   83 |     cout << IntToString(total) << output << endl;
      |             ^~~~~~~~~~~
Language: C++

#include <iostream>
#include <stack>
#include <cstdlib>
#include <sstream>
#include <string>

using namespace std;

string IntToString(int number)
{
  string stream ss;
  ss << number;
  return ss.str();
}

int _stoi(string s) {
    return atoi(s.c_str());
}

int popValue(stack<int> *S) {
    int retVal = S->top();
    S->pop();
    return retVal;
}

struct depthAndAmount {
    int depth;
    int amount;
};

depthAndAmount popValue(stack<depthAndAmount> *S) {
    depthAndAmount retVal = S->top();
    S->pop();
    return retVal;
}

int main(int argc, const char * argv[]) {
    stack<int> S;
    stack<depthAndAmount> S2;
    string s;
    int i = 0;
    int total = 0;
    int depth = 0;
    cin >> s;
    
    while(i < s.length()){
        if (s[i] == '\\') {
            depth++;
            S.push(i);
        } else if (s[i] == '/') {
            int plus = 0;
            depth--;
            if (S.empty() == false) {
                int prevJ = popValue(&S);
                plus = i - prevJ;
            }
            total += plus;
            if (S2.empty() == false && S2.top().depth > depth) {
                depthAndAmount daa = S2.top();
                int amount = 0;
                do {
//                    cout << "/1 " << S2.top().depth << ", " << S2.top().amount << endl;
                    S2.pop();
                    amount += daa.amount;
                    
                    
                    if (S2.empty() == false) {
                        daa = S2.top();
                    } else {
                        break;
                    }
                } while (daa.depth > depth);
                daa.depth = depth;
                daa.amount = amount + plus;
                S2.push(daa);
            } else {
                depthAndAmount daa;
                daa.depth = depth;
                daa.amount = plus;
                S2.push(daa);
                
//                cout << "/2 " << S2.top().depth << ", " << S2.top().amount << endl;
            }
        } else if (s[i] == '_') {
        }
        i++;
    }
    string output;
    while (S2.empty() == false) {
        output = " " + IntToString(popValue(&S2).amount) + output;
    }
    
    cout << IntToString(total) << output << endl;
    
    return 0;
}

Compiler output:
a.cc: In function 'std::string IntToString(int)':
a.cc:11:17: error: expected initializer before 'ss'
   11 |   string stream ss;
      |                 ^~
a.cc:12:3: error: 'ss' was not declared in this scope
   12 |   ss << number;
      |   ^~
Language: C++

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

int _stoi(string s) {
    return atoi(s.c_str());
}

int popValue(stack<int> *S) {
    int retVal = S->top();
    S->pop();
    return retVal;
}

struct depthAndAmount {
    int depth;
    int amount;
};

depthAndAmount popValue(stack<depthAndAmount> *S) {
    depthAndAmount retVal = S->top();
    S->pop();
    return retVal;
}

int main(int argc, const char * argv[]) {
    stack<int> S;
    stack<depthAndAmount> S2;
    string s;
    int i = 0;
    int total = 0;
    int depth = 0;
    cin >> s;
    
    while(i < s.length()){
        if (s[i] == '\\') {
            depth++;
            S.push(i);
        } else if (s[i] == '/') {
            int plus = 0;
            depth--;
            if (S.empty() == false) {
                int prevJ = popValue(&S);
                plus = i - prevJ;
                
                if (S2.empty() == false && S2.top().depth > depth) {
                    depthAndAmount daa = S2.top();
                    int amount = 0;
                    do {
                        //                    cout << "/1 " << S2.top().depth << ", " << S2.top().amount << endl;
                        S2.pop();
                        amount += daa.amount;
                        
                        
                        if (S2.empty() == false) {
                            daa = S2.top();
                        } else {
                            break;
                        }
                    } while (daa.depth > depth);
                    daa.depth = depth;
                    daa.amount = amount + plus;
                    S2.push(daa);
                } else {
                    depthAndAmount daa;
                    daa.depth = depth;
                    daa.amount = plus;
                    S2.push(daa);
                    
                    //                cout << "/2 " << S2.top().depth << ", " << S2.top().amount << endl;
                }
            }
            total += plus;
        } else if (s[i] == '_') {
        }
        i++;
    }
    
    vector<int> ans;
    while (S2.empty() == false) {
        ans.push_back(popValue(&S2).amount);
    }
    reverse(ans.begin(), ans.end());
    
    cout << total;
    
    for (int i = 0; i < ans.size(); i++) {
        cout << " " << ans[i];
    }
    
    cout << endl;
    
    return 0;
}

Compiler output:
a.cc: In function 'int main(int, const char**)':
a.cc:85:5: error: 'reverse' was not declared in this scope
   85 |     reverse(ans.begin(), ans.end());
      |     ^~~~~~~
Language: C++

#include<iostream>
#include<stack>
#include<vector>
#include<string>

int main(){
	std::stack<int> s;
    std::vector<int> m2;
	int m=0,x=0,i=0;
	std::string str;
	std::cin>>str;
	for(int i=0;i<str.size();++i){
		if(str[i]=='??\')
			s.push(i);
		else if(str[i]=='/'){
			if(s.size()<0){
				m2.push_back(m);
				m=0;
			}
			else{
				m+=i-s.top();
				s.pop();
			}
		}
		++i;
	}

	for(int i=0;i<m2.size();++i)
		x+=m2[i];
	int y=m2.size();
	std::cout<<y;
	std::cout<<x<<std::endl;
	for(int i=0;i<m2.size();++i){
		if(m2[i]!=0){
			std::cout<<' '<<m2[i];
		}
	}

	return 0;
}

Compiler output:
a.cc:13:28: warning: missing terminating ' character
   13 |                 if(str[i]=='??\')
      |                            ^
a.cc:13:28: error: missing terminating ' character
   13 |                 if(str[i]=='??\')
      |                            ^~~~~~
a.cc: In function 'int main()':
a.cc:13:26: error: invalid operands of types '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} and 'void' to binary 'operator=='
   13 |                 if(str[i]=='??\')
a.cc:15:17: error: expected primary-expression before 'else'
   15 |                 else if(str[i]=='/'){
      |                 ^~~~
a.cc:14:35: error: expected ')' before 'else'
   14 |                         s.push(i);
      |                                   ^
      |                                   )
   15 |                 else if(str[i]=='/'){
      |                 ~~~~               
a.cc:13:19: note: to match this '('
   13 |                 if(str[i]=='??\')
      |                   ^
Language: C++

#include <iostream>
#include <utility>
#include <string>
#include <vector>
#include <stack>
#include <algorithm>
using namespace std;
int main(){
	stack<int> s1;
	stack<pair<int,int>> s2;
	string str;	cin>>str;
	int sum=0;
	for(int i=0;i<str.size();i++){
		if(str[i]=='\\')	s1.push(i);
		else if(str[i]=='/'&&s1.size()>0){
			int j=s1.top();	s1.pop();
			sum+=i-j;
			int a=i-j;
			while(s2.size()>0&&s2.top().first>j){
				a+=s2.top().second;
				s2.pop();
			}
			s2.push(make_pair(j,a));
		}
	}
	vector<int> ans;
	while(s2.size>0)	ans.push_back(s2.top().second);	s2.pop();
	reverse(ans.begin(),ans.end());
	cout<<sum<<endl;
	cout<<ans.size();
	for(vector<int>::iterator it=ans.begin();it!=ans.end();it++)	cout<<" "<<*it;
	cout<<endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:18: error: invalid use of member function 'std::stack<_Tp, _Sequence>::size_type std::stack<_Tp, _Sequence>::size() const [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; size_type = long unsigned int]' (did you forget the '()' ?)
   27 |         while(s2.size>0)        ans.push_back(s2.top().second); s2.pop();
      |               ~~~^~~~
      |                      ()
Language: C++

#include<iostream>
#include<string>
#include<stack>
#include<vector>
using namespace std;
stack<pair<int , int> > s2;

int getAreas(string str){
	stack<int> st;
	int sum = 0,idx,area=0;
	for(int i=0;i<str.size();i++){
		if(str[i]=='\\'){
			st.push(i);
		}else if(str[i]=='/' && !st.empty()){
				idx = st.top();
				sum += i - idx;
				area = i-idx;
				st.pop();

			while(!s2.empty() && s2.top().first > idx){
				area += s2.top().second; s2.pop();
			}
			s2.push(make_pair(idx,area));
		}
	}
	return sum;
}

int main(){
	std::vector<int> v;
	string str;
	cin >> str;
	cout << getAreas(str) << endl;

	while(!s2.empty()){
		v.push_back(s2.top().second);
		s2.pop();
	}
	reverse(v.begin(),v.end());
	cout << v.size();
	for(int i=0;i<v.size();i++){
		cout << " ";
		cout << v[i];
	}
	cout << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:39:9: error: 'reverse' was not declared in this scope
   39 |         reverse(v.begin(),v.end());
      |         ^~~~~~~
Language: C++

#include <iostream>
#include <cstdlib>
#include <string>
#include <sstream>
#include <vector>
#include <algorithm>
#define N 200

using namespace std;

int height[N+1];
struct P {
	int start,end;
	int sum;
};
vector<P> ln;

bool cmp(P a, P b){
	return a.start < b.start;
}

int main(){
	for(int i=0;i<N+1;i++){
		height[i] = N;
	}
	string s;
	getline(cin, s);
	int len = s.size();
	for(int i=0;i<len;i++){
		int d = 0;
		if(s[i]=='/') d = 1;
		if(s[i]=='\\') d = -1;
		height[i+1] = height[i]+d;
	}
	
	int sum = 0;
	for(int high=2*N;high>=0;high--){
		int l=-1;
		for(int i=0;i<len+1;i++){
			if(height[i] == high){
				if( (l != -1) && (i != 0) && (height[i-1] < high) ){
					int m = (i-l-1);
					sum += m;
					bool f = true;
					for(int j=0;j<ln.size();j++){
						if(ln[j].start < l && i < ln[j].end){
							ln[j].sum += m;
							f = false;
						}
					}
					if(f){
						P *p = new P;
						p->start = l; p->end=i; p->sum=m;
						ln.push_back(*p);
					}
					l = -1;
				}
				if((i!=len) && height[i+1] < high){
					l = i;
				}
			}
		}
	}
	sort(ln.begin(), ln.end(), cmp);
	cout <<sum << endl;
	cout << ln.size();
	if(ln.size != 0) cout << " ";
	for(int i=0;i<ln.size();i++){
		cout << ln[i].sum;
		if(i != ln.size()-1) cout << " ";
	}
	cout << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:67:15: error: invalid use of member function 'std::vector<_Tp, _Alloc>::size_type std::vector<_Tp, _Alloc>::size() const [with _Tp = P; _Alloc = std::allocator<P>; size_type = long unsigned int]' (did you forget the '()' ?)
   67 |         if(ln.size != 0) cout << " ";
      |            ~~~^~~~
      |                   ()
Language: C++

#include <iostream>
#include <stack>
#include <vector>
#include <utility>
using namespace std;

int main(){
  stack<int> s1;
  stack<pair<int,int> > s2 ;
  int sum = 0;
  char c;
  for(int i = 0 ;cin >> c;i++) {
    if(c == '\\') {
      s1.push(i);
    }
    else if(c == '/' && s1.size() >0) {
      int j=s1.top();
      s1.pop();
      int d = i-j;
      sum +=d;
      while(s2.size() >0 && s2.top().first >j){
        d+=s2.top().second;
        s2.pop();
      }
      s2.push(make_pair(j,d))
    }
  }
  vector<int> ans;
  while(s2.size()) {
    ans.push_back(s2.top.second);
    s2.pop();
  }
  reverse(ans.begin(),ans.end());
  cout << sum <<endl;
  cout << ans.size();
  for(int i =0; i<ans.size(); i++) {
    cout << " " << ans[i];
  }
  cout << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:30: error: expected ';' before '}' token
   25 |       s2.push(make_pair(j,d))
      |                              ^
      |                              ;
   26 |     }
      |     ~                         
a.cc:30:22: error: invalid use of member function 'std::stack<std::pair<int, int> >::top' (did you forget the '()' ?)
   30 |     ans.push_back(s2.top.second);
      |                   ~~~^~~
a.cc:33:3: error: 'reverse' was not declared in this scope
   33 |   reverse(ans.begin(),ans.end());
      |   ^~~~~~~
Language: C++

#include <iostream>
#include <stack>
#include <vector>
#include <utility>
using namespace std;

int main(){
  stack<int> s1;
  stack<pair<int,int> > s2 ;
  int sum = 0;
  char c;
  for(int i = 0 ;cin >> c;i++) {
    if(c == '\\') {
      s1.push(i);
    }
    else (c == '/' && s1.size() >0) {
      int j=s1.top();
      s1.pop();
      int d = i-j;
      sum +=d;
      while(s2.size() >0 && s2.top().first >j){
        d+=s2.top().second;
        s2.pop();
      }
      s2.push(make_pair(j,d))
    }
  }
  vector<int> ans;
  while(s2.size()) {
    ans.push_back(s2.top.second);
    s2.pop();
  }
  reverse(ans.begin(),ans.end());
  cout << sum <<endl;
  cout << ans.size();
  for(int i =0; i<ans.size(); i++) {
    cout << " " << ans[i];
  }
  cout << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:36: error: expected ';' before '{' token
   16 |     else (c == '/' && s1.size() >0) {
      |                                    ^~
      |                                    ;
a.cc:30:22: error: invalid use of member function 'std::stack<std::pair<int, int> >::top' (did you forget the '()' ?)
   30 |     ans.push_back(s2.top.second);
      |                   ~~~^~~
a.cc:33:3: error: 'reverse' was not declared in this scope
   33 |   reverse(ans.begin(),ans.end());
      |   ^~~~~~~
Language: C++

#include <iostream>
#include <stack>
#include <vector>
#include <utility>
using namespace std;

int main(){
  stack<int> s1;
  stack<pair<int,int> > s2 ;
  int sum = 0;
  char c;
  for(int i = 0 ;cin >> c;i++) {
    if(c == '\\') {
      s1.push(i);
    }
    else if(c == '/' && s1.size() >0) {
      int j=s1.top();
      s1.pop();
      int d = i-j;
      sum +=d;
      while(s2.size() >0 && s2.top().first >j){
        d+=s2.top().second;
        s2.pop();
      }
      s2.push(make_pair(j,d));
    }
  }
  vector<int> ans;
  while(s2.size()) {
    ans.push_back(s2.top.second);
    s2.pop();
  }
  reverse(ans.begin(),ans.end());
  cout << sum <<endl;
  cout << ans.size();
  for(int i =0; i<ans.size(); i++) {
    cout << " " << ans[i];
  }
  cout << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:22: error: invalid use of member function 'std::stack<std::pair<int, int> >::top' (did you forget the '()' ?)
   30 |     ans.push_back(s2.top.second);
      |                   ~~~^~~
a.cc:33:3: error: 'reverse' was not declared in this scope
   33 |   reverse(ans.begin(),ans.end());
      |   ^~~~~~~
Language: C++

#include <iostream>
#include <stack>
#include <vector>
#include <utility>
using namespace std;

int main(){
  stack<int> s1;
  stack<pair<int,int> > s2 ;
  int sum = 0;
  char c;
  for(int i = 0 ;cin >> c;i++) {
    if(c == '\\') {
      s1.push(i);
    }
    else if(c == '/' && s1.size() >0) {
      int j=s1.top();
      s1.pop();
      int d = i-j;
      sum +=d;
      while(s2.size() >0 && s2.top().first >j){
        d+=s2.top().second;
        s2.pop();
      }
      s2.push(make_pair(j,d));
    }
  }
  vector<int> ans;
  while(s2.size()) {
    ans.push_back(s2.top().second);
    s2.pop();
  }
  reverse(ans.begin(),ans.end());
  cout << sum <<endl;
  cout << ans.size();
  for(int i =0; i<ans.size(); i++) {
    cout << " " << ans[i];
  }
  cout << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:33:3: error: 'reverse' was not declared in this scope
   33 |   reverse(ans.begin(),ans.end());
      |   ^~~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <utility>
#include <stack>
using namespace std;
int main() {
  stack<int> s1;
  stack< pair<int,int> > s2;
  char c;
  int d;
  int sum = 0;
  for(int i =0; cin >>c ; ++ ){
    if(c == '\\'){
      s1.push(i);
    }
    else if(c == '/') {
      j = s1.top();
      d = i-j;
      sum +=d;
      s1.pop();
      while(s2.size()>0 && s2.top().first > j){
          d += s2.top().second;
          s2.pop();
      }
      s2.push(make_pair(j,d));
    }
  }
  int n = s2.size();
  cout << sum << endl;
  cout << n ;
  for(int i = 0; n; i++){
    cout << ' ' <<s2.top().second;
  }
  cout << endl;


}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:30: error: expected primary-expression before ')' token
   12 |   for(int i =0; cin >>c ; ++ ){
      |                              ^
a.cc:17:7: error: 'j' was not declared in this scope
   17 |       j = s1.top();
      |       ^
Language: C++

#include <iostream>
#include <vector>
#include <utility>
#include <stack>
using namespace std;
int main() {
  stack<int> s1;
  stack< pair<int,int> > s2;
  char c;
  int d;
  int sum = 0;
  for(int i =0; cin >>c ; ++ ){
    if(c == '\\'){
      s1.push(i);
    }
    else if(c == '/') {
      int j = s1.top();
      d = i-j;
      sum +=d;
      s1.pop();
      while(s2.size()>0 && s2.top().first > j){
          d += s2.top().second;
          s2.pop();
      }
      s2.push(make_pair(j,d));
    }
  }
  int n = s2.size();
  cout << sum << endl;
  cout << n ;
  for(int i = 0; n; i++){
    cout << ' ' <<s2.top().second;
  }
  cout << endl;


}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:30: error: expected primary-expression before ')' token
   12 |   for(int i =0; cin >>c ; ++ ){
      |                              ^
Language: C++

#include <iostream>
#include <vector>

using namespace std;

namespace {
    template<typename T>
    void print_vector(vector<T> &v) {
        for (auto it = v.begin(); it != v.end(); it++) {
            cout << *it;
            if (it + 1 != v.end())
                cout << " ";
        }
        cout << endl;
    }

     double calculate_area(vector<char>& stack) {
         double area = 0;
         int depth = 0;
         while(!stack.empty()) {
             const char c = stack.back();
             stack.pop_back();
             switch(c) {
                 case '\\':
                     if (depth > 0) {
                         area += 0.5 + depth - 1;
                         depth -= 1;

                         if (depth == 0)
                             return area;
                     }
                     break;
                 case '/':
                     area += 0.5 + depth;
                     depth += 1;
                     break;
                 case '_':
                     if (depth > 0)
                         area += depth;

                     break;
                 default:
                     break;
             }
         }
         return -1;
     }

     vector<double> calculate_areas(vector<char>& stack) {
         vector<double> ret;
         while(double area = calculate_area(stack)) {
             if (area == -1)
                 break;

             ret.push_back(area);
         }
         reverse(ret.begin(), ret.end());
         return ret;
     }
}


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

    string line;
    getline(cin, line);

    vector<double> pools;
    int depth = 0;

    vector<char> stack;

    for(const char& c : line) {
        switch(c) {
            case '\\':
                stack.push_back('\\');
                depth += 1;
                break;
            case '/':
                stack.push_back('/');
                if (depth > 0) {
                    depth -= 1;
                    if (depth == 0) {
                        pools.push_back(calculate_area(stack));
                        stack.clear();
                    }
                }
                break;
            case '_':
                stack.push_back('_');
                break;
            default:
                break;
        }
    }

    if (depth > 0) {
        for (const auto& v: calculate_areas(stack)) {
            pools.push_back(v);
        }
    }

    double total = 0;
    for(const auto& p : pools) { total += p; };

    cout << total << endl;
    cout << pools.size() << " ";
    print_vector(pools);
    return 0;
}

Compiler output:
a.cc: In function 'std::vector<double> {anonymous}::calculate_areas(std::vector<char>&)':
a.cc:57:10: error: 'reverse' was not declared in this scope
   57 |          reverse(ret.begin(), ret.end());
      |          ^~~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

namespace {
    template<typename T>
    void print_vector(vector<T> &v) {
        for (auto it = v.begin(); it != v.end(); it++) {
            cout << *it;
            if (it + 1 != v.end())
                cout << " ";
        }
        cout << endl;
    }

     double calculate_area(vector<char>& stack) {
         double area = 0;
         int depth = 0;
         while(!stack.empty()) {
             const char c = stack.back();
             stack.pop_back();
             switch(c) {
                 case '\\':
                     if (depth > 0) {
                         area += 0.5 + depth - 1;
                         depth -= 1;

                         if (depth == 0)
                             return area;
                     }
                     break;
                 case '/':
                     area += 0.5 + depth;
                     depth += 1;
                     break;
                 case '_':
                     if (depth > 0)
                         area += depth;

                     break;
                 default:
                     break;
             }
         }
         return -1;
     }

     vector<double> calculate_areas(vector<char>& stack) {
         vector<double> ret;
         while(double area = calculate_area(stack)) {
             if (area == -1)
                 break;

             ret.push_back(area);
         }
         reverse(ret.begin(), ret.end());
         return ret;
     }
}


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

    string line;
    getline(cin, line);

    vector<double> pools;
    int depth = 0;

    vector<char> stack;

    for(const char& c : line) {
        switch(c) {
            case '\\':
                stack.push_back('\\');
                depth += 1;
                break;
            case '/':
                stack.push_back('/');
                if (depth > 0) {
                    depth -= 1;
                    if (depth == 0) {
                        pools.push_back(calculate_area(stack));
                        stack.clear();
                    }
                }
                break;
            case '_':
                stack.push_back('_');
                break;
            default:
                break;
        }
    }

    if (depth > 0) {
        for (const auto& v: calculate_areas(stack)) {
            pools.push_back(v);
        }
    }

    double total = 0;
    for(const auto& p : pools) { total += p; };

    cout << total << endl;
    cout << pools.size();
    if (pools.size() > ) {
        cout << " ";
        print_vector(pools);
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:111:24: error: expected primary-expression before ')' token
  111 |     if (pools.size() > ) {
      |                        ^
Language: C++

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

#define rep(i,x,y) for(int i=(x);i<(y);++i)
#define mp(a,b) make_pair((a),(b))
#define debug(x) #x << "=" << (x)
 
#ifdef DEBUG
#define _GLIBCXX_DEBUG
#define dump(x) std::cerr << debug(x) << " (L:" << __LINE__ << ")" << std::endl
#else
#define dump(x)
#endif

typedef long long int ll;
typedef pair<int,int> pii;
//template<typename T> using vec=std::vector<T>;

const int INF=1<<30;
const long long int INFLL=1LL<<58;
const double EPS=1e-9;
const int dx[]={1,0,-1,0},dy[]={0,1,0,-1};

template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec){
	os << "[";
	for (const auto &v : vec) {
		os << v << ",";
	}
	os << "]";
	return os;
}

void solve(){
    stack<int> s1;
    stack<pii> s2;
    string input;
    cin >> input;
    for(int i=0; i<input.size(); ++input){
        if(input[i]=='\\') s1.push(i);
        else if(input[i]=='/' and s1.size()>0){
            int j=s1.top(); s1.pop();
            s+=i-j;
            int a=i-j;
            while(s2.size()>0 and s2.top().first>j){
                a+=s2.top().second; s2.pop();
            }
            s2.push(make_pair(j,a));
        }
    }
    
    vector<int> ans;
    while(!s2.empty()){
        ans.push_back(s2.top().second);
        s2.pop();
    }
    
    reverse(ans.begin(),ans.end());
    cout << s << endl;
    cout << ans.size();
    for(auto i:ans){
        cout << " " << i;
    }
    cout << endl;
}

int main(){
	std::ios::sync_with_stdio(false);
	std::cin.tie(0);
	solve();
	return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:38:34: error: no match for 'operator++' (operand type is 'std::string' {aka 'std::__cxx11::basic_string<char>'})
   38 |     for(int i=0; i<input.size(); ++input){
      |                                  ^~~~~~~
a.cc:42:13: error: 's' was not declared in this scope
   42 |             s+=i-j;
      |             ^
a.cc:58:13: error: 's' was not declared in this scope; did you mean 's2'?
   58 |     cout << s << endl;
      |             ^
      |             s2
Language: C++

/*
created at 4.9.2015 by charis
last edited at 5.9.2015 by charis

*/

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

stack<int> order;
stack<pair<int, int> > area;

void pool(){
	while(1){
		pair<int ,int> x = area.top(); area.pop();
		if(area.empty()) {
			area.push(x);	
			break;
		}
		pair<int ,int> y = area.top();
		if(x.first > y.first){
			area.push(x);
			break;
		}
		else{
			int s = x.second + y.second;
			area.pop(); // pop(y)
			area.push(make_pair(x.first, s)); //new area
		}	
	}	
}

int main(){
	char ch;
	int i=0;
	int S=0;
	while(cin>>ch){
		i++;
		if(ch=='e') break;
		if(ch=='/') {
			if(order.empty()==0){
				int t = order.top(); order.pop();
				int l = i - t + 1 ;
				int a = l - 1 ;
				S+=a;
				area.push(make_pair(t, a));
				pool();
			}
		}
		else if(ch=='_'){			
		}
		else {		
			order.push(i);
		}
	}
	
	cout << S << endl;
	int n =  area.size();
	cout << n << " ";
	
	for(int j=0; j<n; j++){
		pair<int, int> t = area.top(); area.pop();
		A[n-j-1] = t.second;
	}
	for(int j=0; j<n-1; j++){
		cout << A[j] << " ";
	}
	cout << A[n-1] << endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:64:17: error: 'A' was not declared in this scope
   64 |                 A[n-j-1] = t.second;
      |                 ^
a.cc:67:25: error: 'A' was not declared in this scope
   67 |                 cout << A[j] << " ";
      |                         ^
a.cc:69:17: error: 'A' was not declared in this scope
   69 |         cout << A[n-1] << endl;
      |                 ^
Language: C++

input = gets.chomp.chars
stack = []
pairs = []
input.each_with_index do |char, i|
	case char
	when "\\"
		stack << i
	when "/"
		if not stack.empty?
			pairs << [stack.pop, i]
		end
	end
end

if pairs.empty?
	print "0\n0\n"
else
	#display sum
	puts pairs.inject(0){|sum, pair| sum += pair[1] - pair[0]}

	#group pairs into puddles
	pairs.sort!
	puddles = [[pairs.shift]]
	pairs.each do |pair|
		if pair[1] < puddles[-1][0][1] 
			puddles[-1] << pair
		else
			puddles << [pair]
		end
	end

	#display puddles
	print puddles.size
	puddles.each do |puddle|
		print " #{puddle.inject(0){|sum, pair| sum += pair[1] - pair[0]}}"
	end
	print "\n"
end

Compiler output:
a.cc:18:10: error: invalid preprocessing directive #display
   18 |         #display sum
      |          ^~~~~~~
a.cc:21:10: error: invalid preprocessing directive #group
   21 |         #group pairs into puddles
      |          ^~~~~
a.cc:32:10: error: invalid preprocessing directive #display
   32 |         #display puddles
      |          ^~~~~~~
a.cc:1:1: error: 'input' does not name a type; did you mean 'int'?
    1 | input = gets.chomp.chars
      | ^~~~~
      | int
a.cc:22:9: error: 'pairs' does not name a type
   22 |         pairs.sort!
      |         ^~~~~
Language: C++

#include <iostream>
#include <stack>
#include <utility>
#include <string>
#include <vector>
#include <algorithm>
using namespace std;
 
int maken() {
    stack<int> S1;
    stack<pair<int,int>> S2;
    string S;
    cin >> S;
    int s = 0;
    for (int i = 0; i < S.size(); i++) {
        if (S[i] == '\\') S1.push(i);
        else if (S[i] == '/' && S1.size() > 0) {
            int j = S1.top(); S1.pop();
            s += i - j;
            int a = i - j;
            while (S2.size() > 0 && S2.top().first > j) {
                a += S2.top().second; S2.pop();
            }
            S2.push(make_pair(j, a));
        }
    }
 
    vector<int> ans;
    while (!S2.empty()) {
        ans.push_back(S2.top().second);
        S2.pop();
    }
    reverse(ans.begin(), ans.end());
    cout << s << endl;
    cout << ans.size();
    for (auto i: ans) {
        cout << " " << i;
    }
    cout << endl;
 
    return 0;
}

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

#include<iostream>
#include<algorithm>
#include<stack>
using namespace std;
 
struct Ses{
    int start, end, area;
};
 
int main(){
    string str;
    cin >> str;
    int n = str.size();
    int Am = 0;
    stack<Ses> S;
    stack<int> F;
    Ses temp;

    for(int i = 0; i < n; i++){
        if(str[i] == '\\'){
            F.push(i);
        } else if(str[i] == '/'){
            if(!F.empty()){
                int a = F.top();
                F.pop();
                temp.start = a
                temp.end = i;
                temp.area = i - a;
                Am += temp.area;
                while( !S.empty() ){
                    if(temp.start < S.top().start){
                        temp.area += S.top().area;
                        S.pop();
                    } else {
                        break;
                    }
                }
                S.push(temp);
            }
        }
    }
    cout << Am << endl;
    int m = S.size(), b[m];
    cout << m;
    for(int i = 0; i < m; i++){
        b[m - i - 1] = S.top().area;
        S.pop();
    }
    for(int i = 0; i < m; i++)
        cout << " " << b[i];
    cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:31: error: expected ';' before 'temp'
   26 |                 temp.start = a
      |                               ^
      |                               ;
   27 |                 temp.end = i;
      |                 ~~~~
Language: C++

#include<iostream>
#include<algorithm>
#include<stack>
using namespace std;
 
struct Ses{
    int start, end, area;
};
 
int main(){
    string str;
    cin >> str;
    int n = str.size(), overall = 0;
    stack<Ses> S;
    stack<int> slope;
    Ses temp;
 
    for(int i = 0; i < n; i++){
        if(str[i] == '\\'){
            slope.push(i);
        } else if(str[i] == '/'){
            if(!slope.empty()){
                int e = slope.top();
                slope.pop();
                temp.start = e
                temp.end = i;
                temp.area = i - e;
                overall += temp.area;
                while( !S.empty() ){
                    if(temp.start < S.top().start){
                        temp.area += S.top().area;
                        S.pop();
                    } else {
                        break;
                    }
                }
                S.push(temp);
            }
        }
    }
    cout << overall << endl;
    int m = S.size(), A[m];
    cout << m;
    for(int i = 0; i < m; i++){
        A[m - i - 1] = S.top().area;
        S.pop();
    }
    for(int i = 0; i < m; i++)
        cout << " " << A[i];
    cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:31: error: expected ';' before 'temp'
   25 |                 temp.start = e
      |                               ^
      |                               ;
   26 |                 temp.end = i;
      |                 ~~~~
Language: C++

#include<iostream>
#include<algorithm>
#include<stack>
using namespace std;
 
struct Puddle{
    int start, end, area;
};
 
int main(){
    string str;
    cin >> str;
    int n = str.size(), overall = 0;
    stack<Puddle> S;
    stack<int> slope;
 
    for(int i = 0; i < n; i++){
        if(str[i] == '\\'){
            slope.push(i);
        } else if(str[i] == '/'){
            if(!slope.empty()){
                int b = slope.top();
                slope.pop();
                Puddle temp;
                temp.start = b
                temp.end = i;
                temp.area = i - b;
                overall += temp.area;
                while( !S.empty() ){
                    if(temp.start < S.top().start){
                        temp.area += S.top().area;
                        S.pop();
                    } else {
                        break;
                    }
                }
                S.push(temp);
            }
        }
    }
    cout << overall << endl;
    int m = S.size(), A[m];
    cout << m;
    for(int i = 0; i < m; i++){
        A[m - i - 1] = S.top().area;
        S.pop();
    }
    for(int i = 0; i < m; i++)
        cout << " " << A[i];
    cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:31: error: expected ';' before 'temp'
   25 |                 temp.start = b
      |                               ^
      |                               ;
   26 |                 temp.end = i;
      |                 ~~~~
Language: C++

#include<iostream>
#include<algorithm>
#include<stack>
using namespace std;
 
struct Puddle{
    int start, end, area;
};
 
int main(){
    string str;
    cin >> str;
    int n = str.size(), overall = 0;
    stack<Puddle> S;
    stack<int> slope;
 
    for(int i = 0; i < n; i++){
        if(str[i] == '\\'){
            slope.push(i);
        } else if(str[i] == '/'){
            if(!slope.empty()){
                int b = slope.top();
                slope.pop();
                Puddle temp;
                temp.start = b
                temp.end = i;
                temp.area =( i - b );
                overall += temp.area;
                while( !S.empty() ){
                    if(temp.start < S.top().start){
                        temp.area += S.top().area;
                        S.pop();
                    } else {
                        break;
                    }
                }
                S.push(temp);
            }
        }
    }
    cout << overall << endl;
    int m = S.size(), A[m];
    cout << m;
    for(int i = 0; i < m; i++){
        A[m - i - 1] = S.top().area;
        S.pop();
    }
    for(int i = 0; i < m; i++)
        cout << " " << A[i];
    cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:31: error: expected ';' before 'temp'
   25 |                 temp.start = b
      |                               ^
      |                               ;
   26 |                 temp.end = i;
      |                 ~~~~
Language: C++

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

class Water {
public:
	int size;
	int position;
	Water(int _size, int _position) {
		size = _size;
		position = _position;
	}
	void fill(int addition) {
		size += addition;
	}
	void merge(Water* water) {
		if (water) {
			size += water->size;
			delete water;
		}
	}
};

// it returns false if no action is committed
bool mergeWaters(int position, stack<Water*>& waters) {
	Water* accum = NULL;
	Water* water;
	while (! waters.empty() && (water = waters.top())->position >= position) {
		waters.pop();
		water->merge(accum);
		accum = water;
	}
	if (accum) {
		waters.push(accum);
		return true;
	} else {
		return false;
	}
}

int main() {
	string pattern;
	stack<Water*> waters;
	stack<int> positions;
	int total = 0;
	
	cin >> pattern;
	
	for (int pos = 0, len = pattern.length(); pos < len; pos++) {
		switch (pattern[pos]) {
		case '\\':
			positions.push(pos);
			break;
		case '/':
			if (! positions.empty()) {
				int top = positions.top(); positions.pop();
				int addition = pos - top;
				if (mergeWaters(top, waters))
					waters.top()->fill(addition);
				else
					waters.push(new Water(addition, top));
				total += addition;
			}
			break;
		case '_':
			break;
		}
	}
	
	cout << total << endl;
	cout << waters.size();
	while (! waters.empty()) {
		cout << ' ' << waters.top()->size();
		waters.pop();
	}
	cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:74:50: error: expression cannot be used as a function
   74 |                 cout << ' ' << waters.top()->size();
      |                                ~~~~~~~~~~~~~~~~~~^~
Language: C++

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

class Water {
public:
	int size;
	int position;
	Water(int _size, int _position) {
		size = _size;
		position = _position;
	}
	void fill(int addition) {
		size += addition;
	}
	void merge(Water* water) {
		if (water) {
			size += water->size;
			delete water;
		}
	}
};

// it returns false if no action is committed
bool mergeWaters(int position, stack<Water*>& waters) {
	Water* accum = NULL;
	Water* water;
	while (! waters.empty() && (water = waters.top())->position >= position) {
		waters.pop();
		water->merge(accum);
		accum = water;
	}
	if (accum) {
		waters.push(accum);
		return true;
	} else {
		return false;
	}
}

int main() {
	string pattern;
	stack<Water*> waters;
	stack<int> positions;
	int total = 0;
	
	cin >> pattern;
	
	for (int pos = 0, len = pattern.length(); pos < len; pos++) {
		switch (pattern[pos]) {
		case '\\':
			positions.push(pos);
			break;
		case '/':
			if (! positions.empty()) {
				int top = positions.top(); positions.pop();
				int addition = pos - top;
				if (mergeWaters(top, waters))
					waters.top()->fill(addition);
				else
					waters.push(new Water(addition, top));
				total += addition;
			}
			break;
		case '_':
			break;
		}
	}
	
	cout << total << endl;
	cout << waters.size();
	while (! waters.empty()) {
		Water* water = waters.top(); waters.pop();
		cout << ' ' << water->size();
	}
	cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:75:43: error: expression cannot be used as a function
   75 |                 cout << ' ' << water->size();
      |                                ~~~~~~~~~~~^~
Language: C++

#include <iostream>
#include <list>
#include <string>
#include <stack>
#include <utility>
#include <cstdio>

using namespace std;

struct Water {
    int b;
    int area;
};

class PredFunctor {
  public:
    int b;
    int* area_ptr;
  public:
    PredFunctor(int b, int *area_ptr) : b(b), area_ptr(area_ptr) { }
    bool operator()(const Water& water) {
        if (water.b > this->b) {
            *area_ptr += water.area;
            return true;
        }
        return false;
    }
};

int main(void) {

    string map;
    cin >> map;

    int total_area = 0;
    list<Water> waters;
    stack<int> geo;
    for (int i = 0; i < map.size(); ++i) {
        switch (map[i]) {
            case '\\':
                geo.push(i);
                break;
            case '/':
                if ( ! geo.empty()) {
                    int b = geo.top(), this_area = i - b;
                    total_area += this_area;
                    PredFunctor pred(b, &this_area);
                    waters.remove_if(pred);
                    waters.push_back({ b, i, this_area });
                    geo.pop();
                }
                break;
        }
    }

    printf("%d\n", total_area);
    printf("%lld", waters.size());
    for (list<Water>::iterator it = waters.begin();
            it != waters.end(); ++it) {
        printf(" %d", it->area);
    }
    printf("\n");

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:49:37: error: no matching function for call to 'std::__cxx11::list<Water>::push_back(<brace-enclosed initializer list>)'
   49 |                     waters.push_back({ b, i, this_area });
      |                     ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/list:65,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_list.h:1314:7: note: candidate: 'void std::__cxx11::list<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = Water; _Alloc = std::allocator<Water>; value_type = Water]'
 1314 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/14/bits/stl_list.h:1314:35: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const std::__cxx11::list<Water>::value_type&' {aka 'const Water&'}
 1314 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_list.h:1319:7: note: candidate: 'void std::__cxx11::list<_Tp, _Alloc>::push_back(value_type&&) [with _Tp = Water; _Alloc = std::allocator<Water>; value_type = Water]'
 1319 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/14/bits/stl_list.h:1319:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::__cxx11::list<Water>::value_type&&' {aka 'Water&&'}
 1319 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~