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

#include <vector>#include <iostream>using namespace std;vector<string> a;bool ap[30];string s;int S;void dfs(int n,char c,string now){if(n==s.size()){S++;a.push_back(now);return ;}    int C=c-'a';if(ap[C]==true || c=='a'){bool bac=ap[C];ap[C]=true;dfs(n+1,s[n+1],now+c);ap[C]=bac;}if(ap[C+1]==false && c!='z'){bool bac=ap[C+1];ap[C+1]=true;dfs(n+1,s[n+1],now+(char)(c+1));ap[C+1]=bac;}}main(){    for(;;)){while(a.size())a.pop_back();S=0;cin>>s;if(s=="#")break;dfs(0,s[0],"");cout<<S<<endl;if(S<=10){for(int i=0;i<S;i++){cout<<a[i]<<endl;}}else{for(int i=0;i<5;i++){cout<<a[i]<<endl;}for(int i=a.size()-5;i<a.size();i++){cout<<a[i]<<endl;}}}return 0;}

Compiler output:
a.cc:1:18: warning: extra tokens at end of #include directive
    1 | #include <vector>#include <iostream>using namespace std;vector<string> a;bool ap[30];string s;int S;void dfs(int n,char c,string now){if(n==s.size()){S++;a.push_back(now);return ;}    int C=c-'a';if(ap[C]==true || c=='a'){bool bac=ap[C];ap[C]=true;dfs(n+1,s[n+1],now+c);ap[C]=bac;}if(ap[C+1]==false && c!='z'){bool bac=ap[C+1];ap[C+1]=true;dfs(n+1,s[n+1],now+(char)(c+1));ap[C+1]=bac;}}main(){    for(;;)){while(a.size())a.pop_back();S=0;cin>>s;if(s=="#")break;dfs(0,s[0],"");cout<<S<<endl;if(S<=10){for(int i=0;i<S;i++){cout<<a[i]<<endl;}}else{for(int i=0;i<5;i++){cout<<a[i]<<endl;}for(int i=a.size()-5;i<a.size();i++){cout<<a[i]<<endl;}}}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++

enw
abc
abcdefghijklmnopqrst
z
a
aa
aaa
b
z
zz
zzz
aaaaaaaaaaaaaaaaaaaa
bcdefghijklmnopqrsta
zyxwvutsrqponmlkjihg
yxwvutsrqponmlkjihgf
azazazazazazazazazaz
aabbcczzaabbcczzaabb
qjvjv
xfsync
lcqv
atgxedc
fnxlkbqp
ugfk
krdwvclsl
whnhw
zaza
lpbhx
rms
rstu
tcagwo
dbrujnxm
qw
sythbqv
hyp
moqrncvpewshg
cmxrnjhqwfyetpdk
earqxhmfgjykwp
fblyakmqsxhupvwe
usdwemvixqth
iyzeropcjwfvsgba
yiezmancvqjw
ywegolbustrzdmnf
utfojcgphlydrx
iebhqjrumsacvpw
whrkcmleoanpb
jwihcugapdoklnr
ruebypqvctf
kfsunadtgme
wgsaxuehqirbfp
gavhijclpumts
ymafhvxcdloewubj
bujaevxkgmydo
gatlmbqonxiyehvr
xjwlbspicagekvhm
bxoqnrtseyak
virsaeugbfqyj
ilsmgpjoxfrqwh
cuntrevgmshwkoaf
quvenmrxabh
mnwsfbhdtijkolv
csgyrowdtxjqvznk
cgsydleijvxzwf
vugfpsnmahkiojt
auvsqeikxnjltfbrmoy
jalovteyucpbmnfwxqkr
lsxadchnetfgpquiovym
goricjhwkdleaxumvfys
ltaequijrskghvmcdwpf
glmrcsnwtadboxhujykq
hleucifgrvdamntjpbso
cilmgfautvqjhrsdbkwx
rvwghneijocsykqxdlfm
gclturhabmvxyodeijsq
jovwpdraeymkqflxgbcn
ruckgqesnvhdilfjtoap
sxnjgqlohkbpmticuvrw
psjeufhbctxqyivkldao
cgtkmalnvxywrdiohsbj
rgvipwqoldaxsemjknyb
dixpjmrknsgfetlhuabq
yfghwluxvrncijodmsa
ufxnhjkabyroctvilgsw
vegopwijqmkrsafyhdnb
silefqmjkrtapvcwnoxb
aeowfpclrsjkgxhumid
wpbguldmcxqheaskitvy
hebkwtxajrmlfncuspqi
egwxishpqaflnjtrbuov
yqksiulctanjrfgbopdv
cshqaefrunkijotlxvmd
mbuhnwxpjcifkgrdqevs
txuafmyvnlhcidqbrogj
faogrjubxklvwypetsch
atreusvxfbkyogpcldwh
hpstdiuqabcmjneovrwx
derfjahxbvklsmwgnyio
udagqbheiwjcvkxlstrm
favxjmbycdgneqrwkolp
rijcpmstkludvaxqbynw
osdghuapqwvrxietbcjk
#

Compiler output:
a.cc:1:1: error: 'enw' does not name a type
    1 | enw
      | ^~~
Language: C++

#include <iostream>
#include <vector>
#include <string>
#define REP(i,a,b) for (int i = (a); i < (int)(b); i++)
#define rep(i,a) REP(i,0,a)

using namespace std;

vector<string> ans;

void search(string s, char c) {
    if (c == 'a') {
        ans.push_back(s);
        return;
    }
    
    rep(i, s.size()) {
        if (s[i] == c) return;
        
        if (s[i] == c-1) {
            string t(s);
            t[i] = c;
            
            search(t, c-1);
        }
    }
    search(s, c-1);
}

int main(void){
    while (1) {
        string S;
        cin >> S;
        if (S == "#") break;
        
        ans.clear();
        search(S,'z');
        
        sort(ans.begin(), ans.end());
        ans.erase(unique(ans.begin(), ans.end()), ans.end());
        
        cout << ans.size() << endl;
        if (ans.size() <= 10) {
            for (string a:ans) cout << a << endl;
        }
        else {
            rep(i, 5) cout << ans[i] << endl;
            rep(i, 5) cout << ans[ans.size()-5+i] << endl;
        }
    }
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:39:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   39 |         sort(ans.begin(), ans.end());
      |         ^~~~
      |         short
a.cc:40:19: error: 'unique' was not declared in this scope
   40 |         ans.erase(unique(ans.begin(), ans.end()), ans.end());
      |                   ^~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <string>
#define REP(i,a,b) for (int i = (a); i < (int)(b); i++)
#define rep(i,a) REP(i,0,a)

using namespace std;

vector<string> ans;

void search(string s, char c) {
    if (c == 'a') {
        ans.push_back(s);
        return;
    }
    
    rep(i, s.size()) {
        if (s[i] == c) return;
        
        if (s[i] == c-1) {
            string t(s);
            t[i] = c;
            
            search(t, c-1);
        }
    }
    search(s, c-1);
}

int main(void){
    while (1) {
        string S;
        cin >> S;
        if (S == "#") break;
        
        ans.clear();
        search(S,'z');
        
        sort(ans.begin(), ans.end());
        ans.erase(unique(ans.begin(), ans.end()), ans.end());
        
        cout << ans.size() << endl;
        if (ans.size() <= 10) {
            rep(i, ans.size()) cout << ans[i] << endl;
        }
        else {
            rep(i, 5) cout << ans[i] << endl;
            rep(i, 5) cout << ans[ans.size()-5+i] << endl;
        }
    }
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:39:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   39 |         sort(ans.begin(), ans.end());
      |         ^~~~
      |         short
a.cc:40:19: error: 'unique' was not declared in this scope
   40 |         ans.erase(unique(ans.begin(), ans.end()), ans.end());
      |                   ^~~~~~
Language: C++

#include <iostream>
#include <vector>
#include <numeric>
#include <climits>
#include <cstdlib>
#include <functional>
#include <iostream>
#include <queue>
#include <vector>
#include <algorithm> 
#include <map> 
#include <set>

#define ALL(v) (v).begin(),(v).end()
#define REP(i,p,n) for(int i=p;i<(int)(n);++i)
#define rep(i,n) REP(i,0,n)
#define dump(a) (cerr << #a << "=" << (a) << endl)
#define DUMP(list) cout << "{"; for(auto nth : list){ cout << nth << " ";}cout << "}" << endl;

using namespace std;

template<class T> T MIN(const T& a, const T& b) { return a < b ? a : b; }
template<class T> T MAX(const T& a, const T& b) { return a > b ? a : b; }
template<class T> void MIN_UPDATE(T& a, const T& b) { if (a > b) a = b; }
template<class T> void MAX_UPDATE(T& a, const T& b) { if (a < b) a = b; }

string str;
set<string> ans;
//?????????????????£???????????£????????????


void change(string tmp,char rule){
	if(rule=='a'){
		ans.insert(tmp);
		return ;
	}
	
	rep(i,tmp.size()){
		if(tmp[i]==rule) return;
		if(tmp[i]==rule-1){
			string ctmp = tmp;
			ctmp[i]++;
			change(ctmp,rule-1);
		}
	}	
	
	change(tmp,rule-1);
}


int main(){
	while(1){
			
		cin >> str;
		ans.clear();
		if(str=="#"){
			cout << 0 << endl;
			break;	
		}
		change(str,'z');


		cout << ans.size() << endl;
		if(ans.size()>5){
			vector<string> vec(ans.begin(),ans.end());
			for(int i=0;i<5;i++){
				cout << vec[i] << endl;
			}
			for(int i=ans.size()-5;i<=ans.size();i++){
				cout << vec[i] << endl;
			}

		}else{	javascript:void(0)
			vector<string> vec(ans.begin(),ans.end());
			rep(i,ans.size()){
				cout << vec[i] << endl;
			}

		}

	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:73:43: error: expected ';' before 'vector'
   73 |                 }else{  javascript:void(0)
      |                                           ^
      |                                           ;
   74 |                         vector<string> vec(ans.begin(),ans.end());
      |                         ~~~~~~             
a.cc:76:41: error: 'vec' was not declared in this scope
   76 |                                 cout << vec[i] << endl;
      |                                         ^~~
Language: C++

#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
using namespace std;
int n;
bool conv(char s[30],char t[30]){
  bool used[26]={};
  for(int i=0;i<n;++i){
    int c = s[i]-'a';
    if(!used[c] && c){
      used[c]=true;
      if(s[i]-1!=t[i]) return false;
    }
    else if(s[i]!=t[i]) return false;
  }
  return true;
}
int main(){
  //  string s;
  char s[30];
  while(cin>>s,s[0]!='#'){
    n=strlen(s);
    vector<string> ans;
    for(int i=0;i<1<<n;++i){
      char t[30];
      for(int j=0;j<n;++j){
	if((i>>j)&1 && s[j]<'z')
	  t[j]=s[j]+1;
	else t[j]=s[j];
      }
      if(conv(t,s)) ans.push_back(string(t,n));
    }

    sort(ans.begin(),ans.end());
    int m = ans.size();
    cout << m << endl;
    if(m<=10){
      for(int i=0;i<m;++i) cout << ans[i] << endl;
    }
    else{
      for(int i=0;i<5;++i) cout << ans[i] << endl;
      for(int i=m-5;i<m;++i) cout << ans[i] << endl;
    }
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:7: error: 'strlen' was not declared in this scope
   23 |     n=strlen(s);
      |       ^~~~~~
a.cc:5:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    4 | #include <set>
  +++ |+#include <cstring>
    5 | using namespace std;
Language: C++

#include<cstdio>
#include<string>
#include<iostream>
#include<vector>
#include<algorithm>
#include<cstring>
#include<cstdlib>

using namespace std;

vector<string> res;
int flag[50],flag2[50],flag3[50],len;
string str;
void Enc(int x){
		if(x==-1){
			for(int i=0;i<26;i++)if(flag[i]>=1 && flag3[i]==0)return;
			res.push_back(str);
		}
		else{
			if(str[x]<'z' && flag3[str[x]+1-'a']==0){
				str[x]++;
				flag2[str[x]-'a']=1;
				flag3[str[x]-'a']=1;
				Enc(x-1);
				flag3[str[x]-'a']=0;
				flag2[str[x]-'a']=0;
				str[x]--;
			}
			if(flag2[str[x]-'a']>=1)return;
			if(str[x]>'a'){
				flag[str[x]-'a']++;
				Enc(x-1);
				flag[str[x]-'a']--;
			}else Enc(x-1);
		}
}

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

#include <bits/stdc++.h>

using namespace std;

#define FOR(i,s,e) for((i)=(s);(i)<(int)(e);(i)++)
#define REP(i,e) FOR(i,0,e)

#define all(o) (o).begin(), (o).end()
#define psb(x) push_back(x)
#define mp(x,y) make_pair((x),(y))

typedef long long ll;
typedef pair<int, int> PII;

const double EPS = 1e-10;

int n;
string s, t;
vector<string> res;

bool check() {
  string u = t;
  for (int i=1; i<26; i++)
    for (int j=0; j<n; j++)
      if (u[j] == 'a'+i) {
        u[j]--;
        break;
      }
  return s == u;
}

int main() {
  int i, j;
  while (1) {
    cin >> s;
    if (s=="#") break;
    n = (int)s.size();

    res.clear();
    int N = (int)pow(2.0, (double)n);
    for (i=0; i<N; i++) {
      t = s;
      for (j=0; j<n; j++) 
        if (t[j]<'z' && (i & (1<<j))) t[j]++;
      if (check()) {
        res.psb(t);
        if (t.size() > 10) {
          sort(res.begin(), res.end());
          res.erase(5); 
        }
      }
    } 

    sort(res.begin(), res.end());
    cout << res.size() << endl;
    if (res.size() <= 10) {
      for (i=0; i<(int)res.size(); i++)     
        cout << res[i] << endl;
    } else {
      for (i=0; i<5; i++)     
        cout << res[i] << endl;
      for (i=0; i<5; i++) 
        cout << res[res.size() - 5 + i] << endl;
    }
  }

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:49:20: error: no matching function for call to 'std::vector<std::__cxx11::basic_string<char> >::erase(int)'
   49 |           res.erase(5);
      |           ~~~~~~~~~^~~
In file included from /usr/include/c++/14/vector:66,
                 from /usr/include/c++/14/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:53,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_vector.h:1536:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::erase(const_iterator) [with _Tp = std::__cxx11::basic_string<char>; _Alloc = std::allocator<std::__cxx11::basic_string<char> >; iterator = std::vector<std::__cxx11::basic_string<char> >::iterator; const_iterator = std::vector<std::__cxx11::basic_string<char> >::const_iterator]'
 1536 |       erase(const_iterator __position)
      |       ^~~~~
/usr/include/c++/14/bits/stl_vector.h:1536:28: note:   no known conversion for argument 1 from 'int' to 'std::vector<std::__cxx11::basic_string<char> >::const_iterator'
 1536 |       erase(const_iterator __position)
      |             ~~~~~~~~~~~~~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_vector.h:1564:7: note: candidate: 'std::vector<_Tp, _Alloc>::iterator std::vector<_Tp, _Alloc>::erase(const_iterator, const_iterator) [with _Tp = std::__cxx11::basic_string<char>; _Alloc = std::allocator<std::__cxx11::basic_string<char> >; iterator = std::vector<std::__cxx11::basic_string<char> >::iterator; const_iterator = std::vector<std::__cxx11::basic_string<char> >::const_iterator]'
 1564 |       erase(const_iterator __first, const_iterator __last)
      |       ^~~~~
/usr/include/c++/14/bits/stl_vector.h:1564:7: note:   candidate expects 2 arguments, 1 provided
Language: C++

#include <iostream>
#include <string>
#include <cstring>
#include <cstdio>
#include <cstdlib>
#include <vector>
#include <iomanip>
#include <cmath>
#include <set>
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
using namespace std;

string s;
vector<string> ans;
void rec(int idx, vector<bool> state, string sum) {
    if(idx == s.size()) {
        ans.push_back(sum);
        return ;
    }
    char c = s[idx];
    if(state[c - 'a']) {
        rec(idx + 1, state, sum + c);
    }
    if(c + 1 <= 'z' && !state[c + 1 - 'a']) {
        state[c + 1 - 'a'] = true;
        rec(idx + 1, state, sum + string(1, (c + 1)));
    }
}

int main(){
    while(cin >> s && s != "#") {
        ans.clear();
        vector<bool> state(26, false);
        state[0] = true;
        rec(0, state, "");
        cout << ans.size() << endl;
        sort(ans.begin(), ans.end());
        if(ans.size() <= 10) {
            REP(i, ans.size()) cout << ans[i] << endl;
        } else {
            REP(i, 5) cout << ans[i] << endl;
            REP(i, 5) cout << ans[ ans.size() - 5 + i] << endl;
        }
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:38:9: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   38 |         sort(ans.begin(), ans.end());
      |         ^~~~
      |         sqrt
Language: C++

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

typedef ostringstream OSS;
typedef istringstream ISS;

typedef long long LL;
typedef pair<int, int> PII;

typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<LL> VLL;
typedef vector<VLL> VVLL;
typedef vector<double> VD;
typedef vector<VD> VVD;
typedef vector<string> VS;
typedef vector<VS> VVS;
typedef vector<bool> VB;
typedef vector<VB> VVB;
typedef vector<PII> VPII;

#define fst first
#define snd second
// #define Y first
// #define X second
#define MP make_pair
#define PB push_back
#define EB emplace_back 
#define ALL(x) (x).begin(),(x).end()
#define RANGE(x,y,maxX,maxY) (0 <= (x) && 0 <= (y) && (x) < (maxX) && (y) < (maxY))
#define DUMP( x ) cerr << #x << " = " << ( x ) << endl
#define rep(i, N) for (int i = 0; i < (N); i++)
#define rep2(i, j, N, M) rep(i, N) rep(j, M)
#define rep3(i, j, k, N, M, L) rep(i, N) rep(j, M) rep(k, L)
#define REP(i, init, N) for (int i = (init); i < (N); i++)

template < typename T > inline T fromString(const string &s) { T res; ISS iss(s); iss >> res; return res; };
template < typename T > inline string toString(const T &a) { OSS oss; oss << a; return oss.str(); };

const int INF = 0x3f3f3f3f;
const LL INFL = 0x3f3f3f3f3f3f3f3fLL;
const double DINF = 0x3f3f3f3f;
const int DX[]={1,0,-1,0},DY[]={0,-1,0,1};

set<string> anses;

string orig;
int N;

bool is_ok(string s) {
    for (char c = 'b'; c <= 'z'; c++) {
        auto pos = s.find(c);
        if (pos != string::npos) {
            s[pos]--;
        }
    }
    return orig == s;
}

void dfs(string &s, int step, int cnt, bool must_find) {
    if (step == 25 || cnt == N) {
        if (is_ok(s)) {
            anses.insert(s);
        }
        return;
    }

    bool is_find = false;
    rep(i, N) {
        if (s[i] == 'y' - step) {
            string ns(s);
            ns[pos]++;
            dfs(ns, step + 1, cnt + 1, false);
            is_find = true;
        }
    }
    /*
    auto pos = s.find('y' - step);
    bool is_find = pos != string::npos;
    if (is_find) {
        string ns(s);
        ns[pos]++;
        dfs(ns, step + 1, cnt + 1, false);
    }*/

    if ((must_find && is_find) || !must_find) {
        dfs(s, step + 1, cnt, is_find);
    }

}

int main(void) {
    while (cin >> orig, orig != "#") {
        N = orig.size();
        anses.clear();
        dfs(orig, 0, 0, false);

        VS oks;
        for (auto s : anses) {
            oks.PB(s);
        }

        cout << oks.size() << endl;

        if (oks.size() <= 10) {
            for (auto s : oks) {
                cout << s << endl;
            }
        } else {
            for (int i = 0; i < 5; i++) {
                cout << oks[i] << endl;
            }
            for (int i = 4; i >= 0; i--) {
                cout << oks[oks.size() - 1 - i] << endl;
            }
        }
    }

	return 0;
}

Compiler output:
a.cc: In function 'void dfs(std::string&, int, int, bool)':
a.cc:72:16: error: 'pos' was not declared in this scope; did you mean 'pow'?
   72 |             ns[pos]++;
      |                ^~~
      |                pow
Language: C++

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

string S;
queue<pair<string, int>>Q;
vector<string>X;
char T[27] = "abcdefghijklmnopqrstuvwxyz";

int main() {
	while (true) {
		X.clear();
		cin >> S;
		if (S == "#") { break; }
		Q.push(make_pair(S, 25));
		while (!Q.empty())
		{
			pair<string, int>pa = Q.front();
			string U = pa.first; int b = pa.second;
			if (b == 0) {
				break;
			}
			Q.pop();
			char target = T[b - 1], t2 = T[b];

			for (int i = 0; i < U.size(); i++) {
				if (U[i] == t2) {
					goto E;
				}
				if (U[i] == target) {
					string W = U.substr(0, i);
					W += t2;
					W += U.substr(i + 1, U.size() - (i + 1));
					Q.push(make_pair(W, b - 1));
				}
			}
			Q.push(make_pair(U, b - 1));
		E:;
		}
		int cnt = 0;
		while (!Q.empty()) {
			pair<string, int>pa2 = Q.front(); Q.pop();
			X.push_back(pa2.first);
			cnt++;
		}
		sort(X.begin(), X.end());
		cout << cnt << endl;
		if (cnt <= 10) {
			for (int i = 0; i < X.size(); i++) {
				cout << X[i] << endl;
			}
		}
		else {
			for (int i = 0; i < 5; i++) {
				cout << X[i] << endl;
			}
			for(int i = cnt - 5; i < cnt; i++) {
				cout << X[i] << endl;
			}
		}
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:48:17: error: 'sort' was not declared in this scope; did you mean 'short'?
   48 |                 sort(X.begin(), X.end());
      |                 ^~~~
      |                 short
Language: C++

#include <string>
#include <vector>
#include <iostream>
using namespace std;
#define REP(i,s,n) for(int i =(int)s;i<(int)n;++i)
#define rep(i,n) REP(i, 0, n)
int N;
vector<string> ans;
string S;
void dfs(string k, int it) {
  if(it == N) {
    ans.push_back(k);
    return;
  }
  rep(i, 2) {
    if(i == 1 && S[it] == 'z') continue;
    char aim = S[it] + i;
    bool before = false;
    rep(i, it) if(k[i] == aim) before = true;
    bool ok = before ^ i;
    if(it == 0 && i == 1) ok = true;
    if(it == 0 && S[it] == 'a') ok = true;
    if(ok) {
      string temp = k;
      temp.push_back(aim);
      dfs(temp, it + 1);
    }
  } 
}
int main() {
  cin.tie(0); ios::sync_with_stdio(false);
  while(cin >> S && S != "#") {
    ans.clear();
    N = S.length();
    dfs("", 0);
    sort(ans.begin(), ans.end());
    int n = ans.size();
    cout << n << endl;
    if(n <= 10) {
      for(string& k : ans) cout << k << endl;
    }else {
      rep(i, 5) cout << ans[i] << endl;
      for(int i = N - 1; i >= N - 5; --i)
	cout << ans[i] << endl;
    }
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:5: error: 'sort' was not declared in this scope; did you mean 'short'?
   36 |     sort(ans.begin(), ans.end());
      |     ^~~~
      |     short
Language: C++

#include <bits/stdc++.h>
#define REP(i,n,N) for(int i=n;i<(int)N;i++)
#define p(S) cout<<(S)<<endl
using namespace std;

vector<string> ans;
string str;
bool used[26];

void dfs(string s){
	unsigned int num=s.size();
	if(num == str.size()){
		ans.push_back(s);
		return;
	}
	if(str[num]=='a'|| used[str[num]-'a']){
		dfs(s+str[num]);
	}
	if(str[num]!='z' && !used[str[num]-'a'+1]){
		used[str[num]-'a'+1]=true;
		dfs(s+(char)(str[num]+1));
		used[str[num]-'a'+1]=false;
	}
	return;
}
int main(){
	while(cin>>str){
		ans.clear();
		REP(i,0,26) used[i]=false;
		if(str=="#") break;
		esdfs("");
		p(ans.size());
		REP(i,0,min<int>(ans.size(),5)){
			p(ans[i]);
		}
		REP(i,max<int>(ans.size()-5,5),ans.size()){
			p(ans[i]);
		}
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:31:17: error: 'esdfs' was not declared in this scope; did you mean 'dfs'?
   31 |                 esdfs("");
      |                 ^~~~~
      |                 dfs
Language: C++

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

using namespace std;

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

typedef pair<string, bool> psb;

int n;
char al[25];
string s;
vector<psb> can[26];

int main(){
    REP(i, 25){
        al[i] = 'a'+i;
    }

    while(1){
        cin >> s;
        if(s=="#") break;

        REP(i, 26) can[i].clear();
        can[25].push_back(make_pair(s, false));

        for(int i=24; i>=0; i--){
            REP(j, can[i+1].size()){
                psb p = can[i+1][j];

                vector<int> c;
                REP(k, p.first.size()){
                    if(p.first[k] == al[i]){
                        c.push_back(k);
                    }
                }

                if(!p.second){
                    psb np = p;
                    if(c.size()>0) np.second = true;
                    can[i].push_back(np);
                }

                REP(k, c.size()){
                    psb np = p;
                    np.first[c[k]] = al[i]+1;
                    np.second = false;
                    can[i].push_back(np);
                }
            }
        }

        vector<string> output;
        REP(i, can[0].size()){
            string c = can[0][i].first;
            REP(j, 25){
                REP(k, c.size()){
                    if(al[j]+1 == c[k]){
                        c[k] = al[j];
                        break;
                    }
                }
            }
            if(c==s) output.push_back(can[0][i].first);
        }

        sort(output.begin(), output.end());
        cout << output.size() << endl;
        if(output.size()<=10){
            REP(j, output.size()){
                cout << output[j] << endl;
            }
        } else {
            REP(j, 5){
                cout << output[j] << endl;
            }
            REP(j, 5){
                cout << output[output.size()-5+j] << endl;;
            }
        }
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:68:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   68 |         sort(output.begin(), output.end());
      |         ^~~~
      |         short
Language: C++

#include<iostream>
#include<vector>
#include<string>
#include<map>
#include<set>
#include<cstring>
#include<queue>
#include<stack>
#include<cstdio>
#include<iomanip>
#define pb push_back
#define all(in) in.begin(),in.end()
#define shosu(x) fixed<<setprecision(x)
#define loop(i,a,b) for(int i=a;i<b;i++)
#define rep(i,n) loop(i,0,n)
using namespace std;
typedef long long ll;
typedef int Def;
typedef pair<Def,Def> pii;
typedef vector<Def> vi;
typedef vector<pii> vp;
typedef vector<vi> vvi;
typedef vector<string> vs;
Def inf = sizeof(Def) == sizeof(ll) ? 2e18:1e9+10;
int main(){
	string s;
	while(cin>>s,s!="#"){
		int n=s.size();
		vs in;
		int N=1<<s.size();
		rep(i,N){
			string t=s;
			string q;
			rep(j,n){
				if(i&1<<j){
					t[j]++;
					if(t[j]=='z'+1)goto end;
				}
			}
			q=t;
			rep(i,25){
				rep(j,n)if(t[j]=='a'+i+1){
					t[j]--;
					break;
				}
			}			
			if(t==s)in.pb(q);
			end:;
		}
		
		sort(all(in));
		cout<<in.size()<<endl;
		if(in.size()<=10)rep(i,in.size())cout<<in[i]<<endl;
		else{
			auto it=in.begin();
			rep(i,5)cout<<(*it)<<endl,it++;
			it=in.end()-5;
			rep(i,5)cout<<(*it)<<endl,it++;
		}
	}
}







Compiler output:
a.cc: In function 'int main()':
a.cc:51:17: error: 'sort' was not declared in this scope; did you mean 'short'?
   51 |                 sort(all(in));
      |                 ^~~~
      |                 short
Language: C++

#include <iostream>
#include <vector>

using namespace std;

bool memo[20][1050000];

template<typename A, size_t N, typename T>
void Fill(A (&array)[N], const T &val) {
    std::fill((T *) array, (T *) (array + N), val);
}

void search(int keta, long henkan, long ans, const int n, string str) {
    if (keta > n) return;
    int c = str[keta] - 'a';
    if ((henkan >> (c)) & 1) {
        memo[keta][ans] = true;
        search(keta + 1, henkan, ans, n, str);
    }
    if (((henkan >> (c + 1)) & 1) != 0)return;
    if (str[keta] == 'z')return;
    long h = (henkan | 1 << (c + 1));
    long a = (ans | 1 << keta);
    memo[keta][a] = true;
    search(keta + 1, h, a, n, str);
}

string printStr(long bit, string str) {
    string ans = "";
    for (int i = 0; i < str.length(); i++) {
        ans += ((bit >> i) & 1 ? (char) (str[i] + 1) : str[i]);
    }
    return ans;
}

int main() {
    int n;
    string str;
    vector<string> ans;
    while (true) {
        cin >> str;
        if (str == "#")break;
        Fill(memo, false);
        ans.clear();
        n = (int) (str.length() - 1);
        search(0, 1L, 0L, n, str);
        int bit_count = (1 << (n + 1));
        int cou = 0;
        for (int i = 0; i <= (bit_count - 1); i++) {
            if (memo[n][i]) {
                ans.push_back(printStr(i, str));
                cou++;
            }
        }
        sort(ans.begin(), ans.end());

        int k = ans.size();

        cout << k << endl;
        for (int i = 0; i < min(5, k); i++) cout << ans[i] << endl;
        k -= 5;
        for (int i = 0; i < min(5, k); i++)cout << ans[k - 1 + i] << endl;
    }

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:55:9: error: 'sort' was not declared in this scope; did you mean 'short'?
   55 |         sort(ans.begin(), ans.end());
      |         ^~~~
      |         short
Language: C++

#include<bits\stdc++.h>

using namespace std;

int main(void){
    list<pair<int,int> > vp,p[800];
    queue<int> v;
    int i,j,k;
    int size[800];
    int n,to[800],cost[800];
    while(true){
        cin >> n;
        if(n == 0) break;
        memset(size,0,sizeof(size));
        for(i = 0;i < n;i++) p[i].clear();
        for(i = 1;i < n;i++){
            cin >> to[i];
            to[i]--;
        }
        for(i = 1;i < n;i++){
            cin >> cost[i];
            p[i].push_back(make_pair(to[i],cost[i]));
            p[to[i]].push_back(make_pair(i,cost[i]));
        }
        int a = 0;
        for(i = 0;i < n;i++) size[i] = p[i].size();
        for(i = 0;i < n;i++){
            if(size[i] == 1){
                a += p[i].front().second;
                p[p[i].front().first].remove(make_pair(i,p[i].front().second));
                if(p[p[i].front().first].size() == 1){
                    v.push(p[i].front().first);
                }
                else if(p[p[i].front().first].size() == 0){
                    v.pop();
                    break;
                }
                p[i].clear();
            }
        }
        memset(size,0,sizeof(size));
        while(v.size() != 0){
            i = v.front();v.pop();
            a += 3*p[i].front().second;
            j = p[i].front().first;
            size[j] += p[i].front().second + size[i];
            p[j].remove(make_pair(i,p[i].front().second));
            p[i].clear();
            if(p[j].size() == 1) v.push(j);
            else if(p[j].size() == 0){
                j = 0;
                for(i = 0;i < n;i++){
                    j = (j > size[i])?j:size[i];
                }
                a -= j;
                break;
            }
        }
        cout << a << endl;
    }
}

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 <queue>
#include <vector>
#include <iostream>
#include <algorithm>
#include <functional>
 
#pragma warning(disable : 4996)
 
#define INF (1 << 29)
 
using namespace std;
 
int main()
{
    int n, sum;
     
    while (true)
    {
        scanf("%d", &n); sum = 0;
 
        if (n == 0) break;
 
        vector<int> p(n - 1);
        vector<int> d(n - 1);
 
        vector<vector<pair<int, int> > > T(n);
 
        for (int i = 0; i < n - 1; i++) { scanf("%d", &p[i]); }
        for (int i = 0; i < n - 1; i++) { scanf("%d", &d[i]); sum += d[i]; }
 
        for (int i = 0; i < n - 1; i++)
        {
            T[i + 1].push_back(make_pair(p[i] - 1, d[i]));
            T[p[i] - 1].push_back(make_pair(i + 1, d[i]));
        }
 
        vector<vector<int> > dists(n, vector<int>(n, INF));
 
        for (int i = 0; i < n; i++)
        {
            priority_queue<pair<int, int>, vector<pair<int, int> >, greater<pair<int, int> > > que;
 
            que.push(make_pair(0, i)); dists[i][i] = 0;
 
            while (!que.empty())
            {
                pair<int, int> p1 = que.top(); que.pop();
 
                int node = p1.second;
                int dist = p1.first;
 
                for (int j = 0; j < T[node].size(); j++)
                {
                    if (dists[i][T[node][j].first] == INF)
                    {
                        dists[i][T[node][j].first] = dist + T[node][j].second;
 
                        que.push(make_pair(dists[i][T[node][j].first], T[node][j].first));
                    }
                }
            }
        }
 
        vector<int> nodes(n);
 
        for (int i = 0; i < n; i++)
        {
            nodes[i] = T[i].size();
        }
        
        int sum2 = 0;
        
        for(int i = 0; i < n; i++)
        {
            if(nodes[i] >= 2)
            {
                for(int j = 0; j < nodes[i]; j++)
                {
                    sum2 += G[i][j].second;
                }
            }
        }
 
        int ret = 0;
 
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                if (nodes[i] > 1 && nodes[j] > 1)
                {
                    ret = max(ret, dists[i][j]);
                }
            }
        }
 
        printf("%d\n", sum + sum2 * 2 - ret);
    }
 
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:79:29: error: 'G' was not declared in this scope
   79 |                     sum2 += G[i][j].second;
      |                             ^
Language: C++

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

using namespace std;

typedef pair<int, int> pi;

int prevv[1024];
vector<pi> G[1024];
int N;
int p[1024], d[1024];

pi dfs(int x, int pr){
  //  cout << x << endl;
  if(G[x].size() == 1 && pr != -1){
    //    prevv[x] = pr;
    return make_pair(0, pr);
  }

  pi ret = make_pair(-1, -1);
  for(int i=0;i < G[x].size(); i++){
    if(G[x][i].second == pr) continue;
    pi p = dfs(G[x][i].second, x);
    if(ret.first < p.first + G[x][i].first){
      ret = make_pair(p.first + G[x][i].first, p.second);
    }
  }
  prevv[x] = pr;
  return ret;
}

int main(){
  while(1){
    cin >> N;
    for(int i=0;i<N;i++) G[i].clear();
    if(N == 0) break;
    for(int i=0;i<N-1;i++){ cin >> p[i]; p[i]--;}
    for(int i=0;i<N-1;i++){ cin >> d[i]; } 
    for(int i=0;i<N-1;i++){
      G[i+1].push_back(make_pair(d[i], p[i]));
      G[p[i]].push_back(make_pair(d[i], i+1));
      //      cout << "G " << i+1 << " " << p[i] << endl;
    }
    memset(prevv, -1, sizeof(prevv));
    pi ret = dfs(0, -1);
    //    cout << "start " << ret.second << endl;        
    memset(prevv, -1, sizeof(prevv));
    ret = dfs(ret.second, -1);
    int x = ret.second;
    set<pi> s;
    //    cout << "start " << x << endl;
    /*    for(int i=0;i<N;i++){
      cout << "prev " << i << " " << prevv[i] << endl;
      }*/
    while(prevv[x] != -1){
      s.insert(make_pair(min(x, prevv[x]), max(x, prevv[x])));
      x = prevv[x];
    }

    int res = 0;
    for(int i=0;i<N-1;i++){
      if(s.find(make_pair(min(i+1, p[i]), max(i+1, p[i]))) != s.end()){
	//	cout << i+1 << " " << p[i] << " " << d[i]*2 << endl;
	res += d[i]*2;
      }else if(G[i+1].size() == 1 || G[p[i]].size() == 1){
	//	cout << i+1 << " " << p[i] << " " << d[i] << endl;	
	res += d[i];
      }else{
	//	cout << i+1 << " " << p[i] << " " << d[i]*3 << endl;	
	res += d[i]*3;
      }
    }

    cout << res << endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:47:5: error: 'memset' was not declared in this scope
   47 |     memset(prevv, -1, sizeof(prevv));
      |     ^~~~~~
a.cc:6:1: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    5 | #include <algorithm>
  +++ |+#include <cstring>
    6 |
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define r(i,n) for(int i=0;i<n;i++)
int c[900][900],x,y,z,pp,n,co[901],t[901];
vector<int>v[900];
bool used[901];
void dfs(int p,int d){
  if(pp<d)pp=d,z=c[v[p][0]][p];
  else if(pp==d)z=max(z,c[v[p][0]][p]);
  int f=0;
  x=max(x,d);
  used[p]=1;
  r(i,v[p].size()){
    if(!used[v[p][i]]){
      dfs(v[p][i],d+c[p][v[p][i]]);
      f++;
    }
  }
  if(!f)y+=c[p][v[p][0]];
}
main(){
  while(cin>>n,n){
    msemset(c,0,sizeof(c));
    int sum=0,ans=1e8,ans1=0;
    r(i,900)v[i].clear();
    r(i,n-1)cin>>co[i];
    r(i,n-1)cin>>t[i];
    r(i,n-1){
      v[i+2].push_back(co[i]);
      v[co[i]].push_back(i+2);
      c[i+2][co[i]]=c[co[i]][i+2]=t[i];
      sum+=t[i];
    }
    r(i,n){
      x=y=z=pp=0;
      memset(used,0,sizeof(used));
      dfs(i+1,0);
      ans=min(ans,2*(sum-y)-(x-z));
    }
    cout<<sum+ans<<endl;
  }
}

Compiler output:
a.cc:22:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   22 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:24:5: error: 'msemset' was not declared in this scope; did you mean 'memset'?
   24 |     msemset(c,0,sizeof(c));
      |     ^~~~~~~
      |     memset
Language: C++

#include <array>
#include <cstdlib>
#include <functional>
#include <iostream>
#include <numeric>
using namespace std;

#define REP(i, a, b) for(int i = (a); i < int(b); ++i)
#define rep(i, n) REP(i, 0, n)
#define ALL(x) begin(x), end(x)

enum FACE { TOP, BOTTOM, NORTH, SOUTH, WEST, EAST };

struct dice {
	array<int, 6> num;

	inline void roll(FACE a, FACE b, FACE c, FACE d) {
		const int tmp = num[a];
		num[a] = num[b];
		num[b] = num[c];
		num[c] = num[d];
		num[d] = tmp;
	}

	dice(const array<int, 6> &t):num(t) {}
	dice(const dice &die):num(die.num) {}

	inline int sum() const {
		return accumulate(ALL(num), 0);
	}

	inline bool check(int a, int s) const {
		return a <= s - a;
	}

	inline bool can_reach() const {
		const int s = sum();
		return check(num[TOP] + num[BOTTOM], s)
			&& check(num[NORTH] + num[SOUTH], s + 1)
			&& check(num[EAST] + num[WEST], s + 1);
	}
};

inline void north(dice &die) { die.roll(TOP, SOUTH, BOTTOM, NORTH); }
inline void south(dice &die) { die.roll(TOP, NORTH, BOTTOM, SOUTH); }
inline void east (dice &die) { die.roll(TOP,  WEST, BOTTOM,  EAST); }
inline void west (dice &die) { die.roll(TOP,  EAST, BOTTOM,  WEST); }

const string IMPOSSIBLE = "impossible";

void solve(dice die, string &ans) {
	if(!die.can_reach()) return;

	const array<function<void(dice&)>, 4> f{{&east, &north, &south, &west}};
	const string s = "ENSW";

	string res = "";
	bool better = (ans == IMPOSSIBLE);

	for(int i = 0; die.sum(); ++i) {
		rep(d, 4) {
			dice next(die);
			f[d](next);
			if(--next.num[BOTTOM] < 0) continue;
			if(next.can_reach()) {
				die = move(next);
				res += s[d];
				break;
			}
		}

		if(!better) {
			if(ans[i] < res[i]) {
				return;
			}
			else if(ans[i] > res[i]) {
				better  = true;
			}
		}
	}
	ans = move(res);
}

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

	while(true) {
		array<int, 6> t;
		for(auto &e : t) cin >> e;

		if(none_of(ALL(t), [](int x) { return x; })) break;

		sort(ALL(t));
		string ans = IMPOSSIBLE;
		do {
			solve(dice(t), ans);
		} while(next_permutation(ALL(t)));

		int p, q;
		cin >> p >> q;

		cout << (ans == IMPOSSIBLE ? IMPOSSIBLE : ans.substr(p - 1, q - p + 1)) << endl;
	}

	return EXIT_SUCCESS;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:92:20: error: 'none_of' was not declared in this scope
   92 |                 if(none_of(ALL(t), [](int x) { return x; })) break;
      |                    ^~~~~~~
a.cc:94:17: error: 'sort' was not declared in this scope; did you mean 'short'?
   94 |                 sort(ALL(t));
      |                 ^~~~
      |                 short
a.cc:98:25: error: 'next_permutation' was not declared in this scope
   98 |                 } while(next_permutation(ALL(t)));
      |                         ^~~~~~~~~~~~~~~~
Language: C++

#include<iostream>
#include<cstdio>
#include<vector>
#include<queue>
#include<string>
#include<cstring>
#include<map>
#include<tuple>
#include<algorithm>

using namespace std;

#define REP(i, n) for(int i=0;i<(int)n;i++)
#define REPS(i, n) for(int i=1;i<=(int)n;i++)
#define RREP(i, n) for(int i=n-1;i>=0;i--)
#define RREPS(i, n) for(int i=n;i>0;i--)
#define FOR(i,c) for(__typeof((c).begin())i=(c).begin();i!=(c).end();i++)
#define ALL(v) v.begin(), v.end()
#define RALL(v) v.rbegin(), v.rend()
#define pb push_back
#define eb emplace_back
#define endl '\n'
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pii;

template<class T> ostream& operator<<(ostream &os, const vector<T> &t) {
os<<"["; FOR(it,t) {if(it!=t.begin()) os<<","; os<<*it;} os<<"]"; return os;
}
enum DIR { LEFT, RIGHT, FRONT, BACK, BOTTOM, TOP };
struct Dice{
	vi d;
	Dice(vi d):d(d){
		
	}
	
	int &operator[](int i){
		return d[i];
	}
	
	void rot(int k){
		vi x(6);
		REP(i, 6) x[rotm[k][i]] = d[i];
		d = x;
	}
	
	int rotm[4][6]={
		{5,4,2,3,0,1},	// E
		{0,1,5,4,2,3},	// N
		{0,1,4,5,3,2},	// S
		{4,5,2,3,1,0}	// W
	};
	
	int check(){
		if(d[BOTTOM] == -1) return 0;
		if(d[BOTTOM] + d[TOP] > d[LEFT] + d[RIGHT] + d[FRONT] + d[BACK]) return 0;
		if(d[LEFT] + d[RIGHT] > d[BOTTOM] + d[TOP] + d[FRONT] + d[BACK]+1) return 0;
		if(d[FRONT] + d[BACK] > d[BOTTOM] + d[TOP] + d[LEFT] + d[RIGHT]+1) return 0;
		return 1;
	}
	
};
int n;
string db = "ENSW";
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);cout.tie(0);
	while(1){
		vi t(6);
		REP(i, 6) cin >> t[i];
		sort(ALL(t));
		if(t[5] == 0) break;
		int n = accumulate(ALL(t), 0);
		string ans = "Z";
		do{
			Dice dice(t);
			string tmp;
			REP(itr, n){
				if(tmp.size() != itr) break;
				REP(i, 4){
					dice.rot(i);
					dice[BOTTOM] --;
					if(dice.check()){
						tmp.pb(db[i]);
						break;
					}
					dice[BOTTOM] ++;
					dice.rot(3-i);
				}
			}
			if(0 == count_if(ALL(dice.d), [](int i){return !!i;})) ans = min(ans, tmp);
		}while(next_permutation(ALL(t)));
		int p, q;
		cin >> p >> q; p--;
		if(ans == "Z") cout << "impossible" << endl;
		else cout << ans.substr(p, q-p) << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:73:25: error: 'accumulate' was not declared in this scope
   73 |                 int n = accumulate(ALL(t), 0);
      |                         ^~~~~~~~~~
Language: C++

#include<iostream>
#include<cstdio>
#include<vector>
#include<queue>
#include<string>
#include<cstring>
#include<map>
#include<tuple>
#include<algorithm>

using namespace std;

#define REP(i, n) for(int i=0;i<(int)n;i++)
#define REPS(i, n) for(int i=1;i<=(int)n;i++)
#define RREP(i, n) for(int i=n-1;i>=0;i--)
#define RREPS(i, n) for(int i=n;i>0;i--)
#define FOR(i,c) for(__typeof((c).begin())i=(c).begin();i!=(c).end();i++)
#define ALL(v) v.begin(), v.end()
#define RALL(v) v.rbegin(), v.rend()
#define pb push_back
#define eb emplace_back
#define endl '\n'
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> pii;

template<class T> ostream& operator<<(ostream &os, const vector<T> &t) {
os<<"["; FOR(it,t) {if(it!=t.begin()) os<<","; os<<*it;} os<<"]"; return os;
}
enum DIR { LEFT, RIGHT, FRONT, BACK, BOTTOM, TOP };
struct Dice{
	vi d;
	Dice(vi d):d(d){
		
	}
	
	int &operator[](int i){
		return d[i];
	}
	
	void rot(int k){
		vi x(6);
		REP(i, 6) x[rotm[k][i]] = d[i];
		d = x;
	}
	
	int rotm[4][6]={
		{5,4,2,3,0,1},
		{0,1,5,4,2,3},
		{0,1,4,5,3,2},
		{4,5,2,3,1,0}
	};
	
	int check(){
		if(d[BOTTOM] == -1) return 0;
		if(d[BOTTOM] + d[TOP] > d[LEFT] + d[RIGHT] + d[FRONT] + d[BACK]) return 0;
		if(d[LEFT] + d[RIGHT] > d[BOTTOM] + d[TOP] + d[FRONT] + d[BACK]+1) return 0;
		if(d[FRONT] + d[BACK] > d[BOTTOM] + d[TOP] + d[LEFT] + d[RIGHT]+1) return 0;
		return 1;
	}
	
};
int n;
string db = "ENSW";
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);cout.tie(0);
	while(1){
		vi t(6);
		REP(i, 6) cin >> t[i];
		sort(ALL(t));
		if(t[5] == 0) break;
		int n = accumulate(ALL(t), 0);
		string ans = "Z";
		do{
			Dice dice(t);
			string tmp;
			REP(itr, n){
				if(tmp.size() != itr) break;
				REP(i, 4){
					dice.rot(i);
					dice[BOTTOM] --;
					if(dice.check()){
						tmp.pb(db[i]);
						break;
					}
					dice[BOTTOM] ++;
					dice.rot(3-i);
				}
			}
			if(0 == count_if(ALL(dice.d), [](int i){return !!i;})) ans = min(ans, tmp);
		}while(next_permutation(ALL(t)));
		int p, q;
		cin >> p >> q; p--;
		if(ans == "Z") cout << "impossible" << endl;
		else cout << ans.substr(p, q-p) << endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:73:25: error: 'accumulate' was not declared in this scope
   73 |                 int n = accumulate(ALL(t), 0);
      |                         ^~~~~~~~~~
Language: C++

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

enum DIE {TOP, FRONT, RIGHT, LEFT, BACK, BOTTOM};
enum DIR {E, N, S, W, CLOCKWISE};
const string INF = "X";

void rotate(vector<int>& die, DIR dir) {
  if(dir == E) {
    swap(die[TOP], die[RIGHT]);
    swap(die[TOP], die[BOTTOM]);
    swap(die[TOP], die[LEFT]);
  }
  if(dir == N) {
    swap(die[TOP], die[BACK]);
    swap(die[TOP], die[BOTTOM]);
    swap(die[TOP], die[FRONT]);
  }
  if(dir == S) {
    swap(die[TOP], die[FRONT]);
    swap(die[TOP], die[BOTTOM]);
    swap(die[TOP], die[BACK]);
  }
  if(dir == W) {
    swap(die[TOP], die[LEFT]);
    swap(die[TOP], die[BOTTOM]);
    swap(die[TOP], die[RIGHT]);
  }
  --die[BOTTOM];
}

bool possible(vector<int> die, DIR dir, int sum) {
  rotate(die, dir);
  --sum;
  if(die[BOTTOM] < 0) return false;
  if(sum == 1) return die[TOP] == 0 && die[BOTTOM] == 0;
  int fb = die[FRONT] + die[BACK];
  int tb = die[TOP] + die[BOTTOM];
  int lr = die[LEFT] + die[RIGHT];
  return fb <= sum - fb + 1 && lr <= sum - lr + 1 && tb <= sum - tb;
}

string greedy(vector<int> die, string string& upper_bound) {
  string res;
  int sum = accumulate(begin(die), end(die), 0);
  if(!possible(die, E, sum)) return INF;
  while(0 < sum) {
    for(auto dir: {E, N, S, W}) if(possible(die, dir, sum)) {
      rotate(die, dir);
      --sum;
      if(dir == E)      res += "E";
      else if(dir == N) res += "N";
      else if(dir == S) res += "S";
      else if(dir == W) res += "W";
      if(upper_bound < res) return INF;
      break;
    }
  }
  return res;
}

Compiler output:
a.cc:43:45: error: expected ',' or '...' before '&' token
   43 | string greedy(vector<int> die, string string& upper_bound) {
      |                                             ^
a.cc: In function 'std::string greedy(std::vector<int>, std::string)':
a.cc:44:9: error: expected ';' before 'res'
   44 |   string res;
      |         ^~~~
      |         ;
a.cc:51:25: error: 'res' was not declared in this scope
   51 |       if(dir == E)      res += "E";
      |                         ^~~
a.cc:52:25: error: 'res' was not declared in this scope
   52 |       else if(dir == N) res += "N";
      |                         ^~~
a.cc:53:25: error: 'res' was not declared in this scope
   53 |       else if(dir == S) res += "S";
      |                         ^~~
a.cc:54:25: error: 'res' was not declared in this scope
   54 |       else if(dir == W) res += "W";
      |                         ^~~
a.cc:55:24: error: 'res' was not declared in this scope
   55 |       if(upper_bound < res) return INF;
      |                        ^~~
a.cc:55:10: error: parse error in template argument list
   55 |       if(upper_bound < res) return INF;
      |          ^~~~~~~~~~~~~~~~~
a.cc:55:27: error: cannot resolve overloaded function 'upper_bound' based on conversion to type 'bool'
   55 |       if(upper_bound < res) return INF;
      |                           ^
a.cc:59:10: error: 'res' was not declared in this scope
   59 |   return res;
      |          ^~~
Language: C++


def find(target, front, east, north, west, south, rear)
  current = [front, east, north, west, south, rear].sort!
  
  return nil if target[0] < current[0] || target[1] < current[1] ||
      target[2] < current[2] || target[3] < current[3] ||
      target[4] < current[4] || target[5] < current[5] ||
      target[0]+target[1]+target[2]+target[3]+target[4]-current[0]-current[1]-current[2]-current[3]-current[4]+1 < target[5]-current[5]
  
  return '' if target == current

  if result = find(target, west, front, north, rear, south, east + 1)
    return 'E' + result
  end
  if result = find(target, south, east, front, west, rear, north + 1)
    return 'N' + result
  end
  if result = find(target, north, east, rear, west, front, south + 1)
    return 'S' + result
  end
  if result = find(target, east, rear, north, front, south, west + 1)
    return 'W' + result
  end

  nil
end

def find_first(target)
  if target == [0, 0, 0, 0, 0, 0]
    return ''
  elsif target == [0, 0, 0, 0, 0, 1]
    return 'E'
  end

  if result = find(target, 0, 0, 0, 1, 0, 1)
    return 'EE' + result
  end
  
  nil
end

loop do
  target = STDIN.gets.split.map!(&:to_i)
  break if target.inject(&:+) == 0
  p, q = STDIN.gets.split.map!(&:to_i)
  
  result = find_first(target)
  puts result ? result[p-1...q] : 'impossible'
end

Compiler output:
a.cc:10:10: error: empty character constant
   10 |   return '' if target == current
      |          ^~
a.cc:30:12: error: empty character constant
   30 |     return ''
      |            ^~
a.cc:36:12: warning: multi-character character constant [-Wmultichar]
   36 |     return 'EE' + result
      |            ^~~~
a.cc:48:26: error: too many decimal points in number
   48 |   puts result ? result[p-1...q] : 'impossible'
      |                          ^~~~~
a.cc:48:35: warning: multi-character literal with 10 characters exceeds 'int' size of 4 bytes
   48 |   puts result ? result[p-1...q] : 'impossible'
      |                                   ^~~~~~~~~~~~
a.cc:2:1: error: 'def' does not name a type
    2 | def find(target, front, east, north, west, south, rear)
      | ^~~