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

#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
const int inf = 0x3f3f3f3f;
#define Rep(i,a,b) for(register int i=(a);i<=int(b);++i)
#define Dep(i,a,b) for(register int i=(a);i>=int(b);--i)
#define rep(i,a,b) for(register int i=(a);i<int(b);++i)
#define mem(x,v) memset(x,v,sizeof(x))
#define fi first
#define se second
#define lowbit(x) ((x)&-(x))
#define debug(x) cout << #x " = " << x << endl;
inline void gg(string s){cout << s << endl;exit(0);}
inline void gg(ll x){writeln(x);exit(0);}
const int maxn = 1e7+233;
const int mod = 998244353;
string s[62];
int len;
int ask(string s){
	cout << "? " << s << endl;
	int x;
	cin >> x;
	return x;
}
string solve(int l,int r){
	if(l==r) return s[l];
	int m=(l+r)>>1;
	string L=solve(1,m),R=solve(m+1,r);
	if(L.empty()) return R;
	if(R.empty()) return L;
	string ret;
	int i=0,j=0;
	for(;i<L.size()||j<R.size();)
		if(i<L.size() && (j==R.size() || 
			ask(ret+L[i]+string(R.begin()+j,R.end()))==len-ret.size()-1-(R.size()-j)))
				ret = ret + L[i++];
		else	ret = ret + R[j++];
	return ret;
}
int main(){
	ios::sync_with_stdio(0);cin.tie(0);
	int p = 0;
	for(char c='a';c<='z';++c) s[p++] = string(128-ask(string(128,c)),c);
	for(char c='A';c<='Z';++c) s[p++] = string(128-ask(string(128,c)),c);
	for(char c='0';c<='9';++c) s[p++] = string(128-ask(string(128,c)),c);
	for(auto u:s) len+=u.size();
	auto zz=solve(0,61);
	cout << "! " << zz << endl;
	return 0;
}

Compiler output:
a.cc: In function 'void gg(ll)':
a.cc:17:22: error: 'writeln' was not declared in this scope; did you mean 'write'?
   17 | inline void gg(ll x){writeln(x);exit(0);}
      |                      ^~~~~~~
      |                      write
Language: C++


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


int query(string S){
    cout <<"? "<< S << endl;
    cout.flush();
    int ans;
    cin >> ans;
    return ans;
}

int main(){
    vector<string> temp;
    
    //全ての文字をセット
    for(char j='A';j<='Z';j++){
        string S="";
        for(int i=0;i<128;i++)S+=j;
        temp.push_back(S);
    }
    for(char j='a';j<='z';j++){
        string S="";
        for(int i=0;i<128;i++)S+=j;
        temp.push_back(S);
    }
    for(char j='0';j<='9';j++){
        string S="";
        for(int i=0;i<128;i++)S+=j;
        temp.push_back(S);
    }
    //各種類と長さを取得
    int L=0;
    for(string &S:temp){
        int a = query(S);
        int t = 128-a;
        S=S.substr(0,t);
        L+=t;
    }
    
    
    sort(temp.begin(), temp.end(),[](string a,string b){return a.size()>b.size();});
    while(!temp.back().size())temp.pop_back();
    
    while(temp.size()!=1){
      sort(temp.begin(), temp.end(),[](string a,string b){return a.size()>b.size();});
      string X=temp.back(),Y=temp[temp.size()-2],XY="";
      int mQi=128-(int)Y.size();
      while(!X.empty()&&!Y.empty){
        string Q = XY + X[0] + Y;
        int Qi = query(Q);
        if(Qi<mQi){
            XY+=X[0];
            X=X.substr(1);
        }else{
            XY+=Y[0];
            Y=Y.substr(1);
        }
        mQi=Qi;
      }
      XY+=X;
      XY+=Y;
      temp.pop_back();
      temp.pop_back();
      temp.push_back(XY);
    }
    
    cout << "! " << temp[0] << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:50:28: error: cannot convert 'std::__cxx11::basic_string<char>::empty' from type 'bool (std::__cxx11::basic_string<char>::)() const noexcept' to type 'bool'
   50 |       while(!X.empty()&&!Y.empty){
      |                            ^~~~~
a.cc:50:28: error: in argument to unary !
   50 |       while(!X.empty()&&!Y.empty){
      |                          ~~^~~~~
Language: C++

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


int query(string S){
    cout <<"? "<< S << endl;
    cout.flush();
    int ans;
    cin >> ans;
    return ans;
}

int main(){
    vector<string> temp;
    
    //全ての文字をセット
    for(char j='A';j<='Z';j++){
        string S="";
        for(int i=0;i<128;i++)S+=j;
        temp.push_back(S);
    }
    for(char j='a';j<='z';j++){
        string S="";
        for(int i=0;i<128;i++)S+=j;
        temp.push_back(S);
    }
    for(char j='0';j<='9';j++){
        string S="";
        for(int i=0;i<128;i++)S+=j;
        temp.push_back(S);
    }
    //各種類と長さを取得
    int L=0;
    for(string &S:temp){
        int a = query(S);
        int t = 128-a;
        S=S.substr(0,t);
        L+=t;
    }
    
    
    sort(temp.begin(), temp.end(),[](string a,string b){return a.size()>b.size();});
    while(!temp.back().size())temp.pop_back();
    
    while(temp.size()!=1){
      sort(temp.begin(), temp.end(),[](string a,string b){return a.size()>b.size();});
      string X=temp.back(),Y=temp[temp.size()-2],XY="";
      int mQi=128-(int)Y.size();
      while(X.size()||Y.size()){
        string Q = XY + X[0] + Y;
        int Qi = query(Q);
        if(Qi<mQi){
            XY+=X[0];
            X=X.substr(1);
        }else{
            XY+=Y[0];
            Y=Y.substr(1);
        }
        mQi=Qi;
      }
      temp.pop_back();
      temp.pop_back();
      temp.push_back(XY);
    }
    
    cout << "! " << temp[0] << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:45:5: error: 'sort' was not declared in this scope; did you mean 'sqrt'?
   45 |     sort(temp.begin(), temp.end(),[](string a,string b){return a.size()>b.size();});
      |     ^~~~
      |     sqrt
Language: C++

#include <iostream>
#include <sstream>
#include <algorithm>
#include <cstdio>
#include <cmath>
#include <set>
#include <map>
#include <queue>
#include <string>
#include <cstring>
#include <bitset>
#include <functional>
#include <random>
#define REP(_i,_a,_n) for(int _i=_a;_i<=_n;++_i)
#define PER(_i,_a,_n) for(int _i=_n;_i>=_a;--_i)
#define hr putchar(10)
#define pb push_back
#define lc (o<<1)
#define rc (lc|1)
#define mid ((l+r)>>1)
#define ls lc,l,mid
#define rs rc,mid+1,r
#define x first
#define y second
#define io std::ios::sync_with_stdio(false)
#define endl '\n'
#define DB(_a) ({REP(_i,1,n) cout<<_a[_i]<<',';hr;})
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
const int P = 1e9+7, INF = 0x3f3f3f3f;
ll gcd(ll a,ll b) {return b?gcd(b,a%b):a;}
ll qpow(ll a,ll n) {ll r=1%P;for (a%=P;n;a=a*a%P,n>>=1)if(n&1)r=r*a%P;return r;}
ll inv(ll x){return x<=1?1:inv(P%x)*(P-P/x)%P;}
inline int rd() {int x=0;char p=getchar();while(p<'0'||p>'9')p=getchar();while(p>='0'&&p<='9')x=x*10+p-'0',p=getchar();return x;}
//head



#ifdef __APPLE__
const int N = 1e2+50;
#else
const int N = 1e6+50;
#endif


int clk;
int qry(string s) {
	assert(s.size()<=128);
	assert(++clk<=850);
	cout<<"? "<<s<<endl;
	fflush(stdout);
	int t;
	cin>>t;
	return t;
}
char a[]="qwertyuioplkjhgfdsazxcvbnmQWERTYUIOPLKJHGFDSAZXCVBNM0987654321";
string s[N];
int tot;
string merge(string &a, string &b) {
	string ret;
	while (a.size()&&b.size()) {
		string u = a+b.back()+ret;
		if (qry(u)+u.size()==tot) puts("B"),ret=b.back()+ret,b.pop_back();
		else puts("A"),ret=a.back()+ret,a.pop_back();
	}
	while (a.size()) ret=a.back()+ret,a.pop_back();
	while (b.size()) ret=b.back()+ret,b.pop_back();
	return ret;
}
int main() {
	REP(i,0,61) { 
		s[i] = string(qry(string(128,a[i])),a[i]);
		tot += s[i].size();
	}
	string ans;
	while (1) {
		int x=-1,y=-1;
		REP(i,0,61) if (s[i].size()) {
			if (y<0||s[y].size()>s[i].size()) y = i;
			if (x<0||s[x].size()>s[y].size()) swap(x,y);
		}
		if (y<0) {ans=s[x];break;}
		s[x] = merge(s[x],s[y]);
	}
	cout<<"! "<<ans<<endl;
	fflush(stdout);
}









Compiler output:
a.cc: In function 'int qry(std::string)':
a.cc:49:9: error: 'assert' was not declared in this scope
   49 |         assert(s.size()<=128);
      |         ^~~~~~
a.cc:14:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
   13 | #include <random>
  +++ |+#include <cassert>
   14 | #define REP(_i,_a,_n) for(int _i=_a;_i<=_n;++_i)
Language: C++

#include<bits/stdc++.h>
using namespace std;
const int tot=26+26+10;
inline void read (int &x) {
	char ch = getchar(); x = 0;
	while (!isdigit(ch)) ch = getchar();
	while (isdigit(ch)) x = x * 10 + ch - 48, ch = getchar();
} 

 
string s[tot];
int sum=tot;
int ttm=0;
inline int query (string str){
	if (str.size() > 128) return 1e9;
	cout << '?' << ' ' << str << '\n';
	fflush(stdout); int ans = 0; read (ans); return ans;
}
 
 
int len=0x3f3f3f3f;
int q[tot];
 
string merge(string a,string b){
	int i=0,j=0;
	int la=a.length(),lb=b.length();
	string fir=string();
	while(i<la&&j<lb){
		string qr=fir;
		qr+=a[i];
		for(int k=j;k<lb;k++){
			qr+=b[k];
		}
		if(query(qr)+qr.length()==len){
			fir+=a[i++];
		}else {
			fir+=b[j++];
		}
	}
	while(i<la)fir+=a[i++];
	while(j<lb)fir+=b[j++];
	return fir;
}
char ch[100];
char enc(int t){
	return ch[t];
}
int main()
{
	int n = -1;
	for (int i = 0; i < 26; ++i) 
		ch[++n] = 'A' + i, ch[++n] = 'a' + i;
	for (int i = 0; i < 10; ++i) ch[++n] = '0' + i;
	for(int i=0;i<tot;i++){
		s[i]+=enc(i)
		
		len=min(len,(q[i]=query(s[i])+1;));
	}
	for(int i=0;i<tot;i++){
		if(q[i]==len){
			while(query(s[i]+enc(i))+s[i].length()+1==len)s[i]+=enc(i);
		}else s[i]=string();
	}
	while(1){
    	for(int i=0;i<tot;i++)for(int j=i+1;j<tot;j++)if(s[i].length()>s[j].length())swap(s[i],s[j]);
		int t=0;
		while(!s[t].length())++t;
		if(t+1==tot)break ;
		s[t+1]=merge(s[t],s[t+1]); s[t]=string();
	}
	assert(query(s[tot-1])==0);
	cout << "! "<< s[tot-1] << endl;
	fflush(stdout);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:55:29: error: expected ';' before 'len'
   55 |                 s[i]+=enc(i)
      |                             ^
      |                             ;
   56 | 
   57 |                 len=min(len,(q[i]=query(s[i])+1;));
      |                 ~~~          
a.cc:57:49: error: expected primary-expression before ')' token
   57 |                 len=min(len,(q[i]=query(s[i])+1;));
      |                                                 ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
const int tot=26+26+10;
inline void read (int &x) {
	char ch = getchar(); x = 0;
	while (!isdigit(ch)) ch = getchar();
	while (isdigit(ch)) x = x * 10 + ch - 48, ch = getchar();
} 
char enc(int t){
	if(t<10)return '0'+t;
	t-=10;
	if(t<26)return 'a'+t;
	t-=26;
	return 'A'+t;
}
 
string s[tot];
int sum=tot;
int ttm=0;
inline int ask (string str){
	if (str.size() > 128) return 1e9;
	cout << '?' << ' ' << str << '\n';
	fflush(stdout); int ans = 0; read (ans); return ans;
}
 
 
int len=0x3f3f3f3f;
int q[tot];
 
string merge(string a,string b){
	int i=0,j=0;
	int la=a.length(),lb=b.length();
	string fir=string();
	while(i<la&&j<lb){
		string qr=fir;
		qr+=a[i];
		for(int k=j;k<lb;k++){
			qr+=b[k];
		}
		if(query(qr)+qr.length()==len){
			fir+=a[i++];
		}else {
			fir+=b[j++];
		}
	}
	while(i<la)fir+=a[i++];
	while(j<lb)fir+=b[j++];
	return fir;
}
 
int main()
{
	for(int i=0;i<tot;i++){
		s[i]+=enc(i);
		q[i]=query(s[i])+1;
		len=min(len,q[i]);
	}
	for(int i=0;i<tot;i++){
		if(q[i]==len){
			while(query(s[i]+enc(i))+s[i].length()+1==len)s[i]+=enc(i);
		}else s[i]=string();
	}
	while(1){
    	for(int i=0;i<tot;i++)for(int j=i+1;j<tot;j++)if(s[i].length()>s[j].length())swap(s[i],s[j]);
		int t=0;
		while(!s[t].length())++t;
		if(t+1==tot)break ;
		s[t+1]=merge(s[t],s[t+1]); s[t]=string();
	}
	assert(query(s[tot-1])==0);
	cout << "! "<< s[tot-1] << endl;
	fflush(stdout);
}


Compiler output:
a.cc: In function 'std::string merge(std::string, std::string)':
a.cc:40:20: error: 'query' was not declared in this scope
   40 |                 if(query(qr)+qr.length()==len){
      |                    ^~~~~
a.cc: In function 'int main()':
a.cc:55:22: error: 'query' was not declared in this scope
   55 |                 q[i]=query(s[i])+1;
      |                      ^~~~~
a.cc:60:31: error: 'query' was not declared in this scope
   60 |                         while(query(s[i]+enc(i))+s[i].length()+1==len)s[i]+=enc(i);
      |                               ^~~~~
In file included from /usr/include/c++/14/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:106,
                 from a.cc:1:
a.cc:70:16: error: 'query' was not declared in this scope
   70 |         assert(query(s[tot-1])==0);
      |                ^~~~~
Language: C++

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

string chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

unordered_map<string, int> cache;
int Ask(string s) {
  auto it = cache.find(s);
  if (it != cache.end()) {
    return it->second;
  }
  cout << "? " + s << endl << flush;

  int ld;
  cin >> ld;
  return cache[s] = ld;
}

class Solver {
public:
  Solver() {
  }

  string Solve() {
    vector<string> ss;

    len = 0;
    for(int i=0; i<(int)chars.size(); ++i) {
      int charCnt = 128 - Ask(string(128, chars[i]));

      ss.emplace_back(charCnt, chars[i]);

      len += charCnt;
    }

    while(ss.size() > 1) {
      sort(ss.begin(), ss.end(), [](const string& l, const string& r) {
        return l.size() < r.size();
        });

      ss[1] = insert(ss[1], ss[0]);
      ss.erase(ss.begin());
    }

    return ss[0];
  }


private:
  string insert(string a, string b) {

    int pos = 0;
    for(int i=0; i<(int)b.size(); ++i) {

      while (true) {
        string s;
        int ld = jd.Ask(s = a.substr(0, pos) + b[i] + a.substr(pos));

        pos++;
        if (ld == len - (int)a.size() - 1) {
          a = s;
          break;
        }
      }
    }

    return a;
  }

  int len;
};

signed main() {
  Solver s;
  cout << "! " << s.Solve() << endl;
  return 0;
}


Compiler output:
a.cc: In member function 'std::string Solver::insert(std::string, std::string)':
a.cc:57:18: error: 'jd' was not declared in this scope; did you mean 'jn'?
   57 |         int ld = jd.Ask(s = a.substr(0, pos) + b[i] + a.substr(pos));
      |                  ^~
      |                  jn
Language: Java

import string
import sys

DEBUG = False
secret_str = "Atcod3rIsGreat"


def local_str(query : str) -> int:
    import Levenshtein
    return Levenshtein.distance(query , secret_str)


def query_str(query : str) -> int:
    if DEBUG:
        ans = local_str(query)
        return ans
    else:
        print("? " + query)
        ans = int(input())
        if ans == 0:
            print("! " + query)
            sys.exit(0)
        return ans

def guess_length() -> int:
    c = "a"
    a = query_str(c)
    al = query_str(c * a)
    al2 = query_str(c * (a + 1))
    if al >= al2:
        return a + 1
    else:
        return a


def merge(S : str, T : str) -> str:
    t = 0
    d = query_str(T)
    for s in S:
        while t <= len(T):
            l = T[:t]
            r = T[t:]
            d2 =  query_str(l + s + r)
            if d2 < d:
                T = l + s + r
                d = d2
                break
            t += 1
    return T


#secret_str = "xfxxfyyyyzzzyaaaaaaf"
L = guess_length()
chars = []
for c in string.ascii_letters + string.digits:
    cr = c * L
    dist = query_str(cr)
    if L - dist > 0:
        chars.append(c * (L - dist))

while(len(chars) > 1):
    chars.sort(key = lambda x : len(x))
    m = merge(chars[0] , chars[1])
    chars[1] = m
    chars = chars[1:]
print(chars[0])


Compiler output:
Main.java:1: error: '.' expected
import string
             ^
Main.java:2: error: '.' expected
import sys
          ^
Main.java:4: error: ';' expected
DEBUG = False
     ^
Main.java:9: error: '.' expected
    import Levenshtein
                      ^
Main.java:52: error: illegal character: '#'
#secret_str = "xfxxfyyyyzzzyaaaaaaf"
^
5 errors
Language: C++

#include<bits/stdc++.h>
#define llong long long
#define mkpr make_pair
#define x first
#define y second
#define iter iterator
#define riter reversed_iterator
#define y1 Lorem_ipsum_
#define tm dolor_sit_amet_
using namespace std;

inline int read()
{
	int x = 0,f = 1; char ch = getchar();
	for(;!isdigit(ch);ch=getchar()) {if(ch=='-') f = -1;}
	for(; isdigit(ch);ch=getchar()) {x = x*10+ch-48;}
	return x*f;
}

const int N = 128;
const int S = 62;
vector<int> s[S*4+3];
char a[N+3];

int decode(int x) {return x<=26?64+x:(x<=52?96-26+x:48-52+x+1);}

bool ask(int u,int i,int j)
{
	int len = N;
	printf("? "); for(int i=0; i<s[u].size(); i++) {len--; printf("%c",decode(s[u][i]));} len--; printf("%c",s[u<<1][i]);
	for(int i=j; i<s[u<<1|1].size(); i++) {len--; printf("%c",decode(s[u<<1|1][i]));} puts(""); fflush(stdout);
	int res; scanf("%d",&res); return res==len;
}
void solve(int u,int le,int ri)
{
	if(le==ri)
	{
		printf("? "); for(int i=1; i<=n; i++) {printf("%c",decode(le));} puts(""); fflush(stdout);
		int res; scanf("%d",&res);
		for(int i=1; i<=n-res; i++) {s[u].push_back(le);}
		return;
	}
	int mid = (le+ri)>>1;
	solve(u<<1,le,mid); solve(u<<1|1,mid+1,ri);
	for(int i=0,j=0; i<s[u<<1].size()||j<s[u<<1|1].size();)
	{
		if(i+1<s[u<<1].size()&&(j+1==s[u<<1|1].size()||ask(u,i,j))) {s[u].push_back(s[u<<1][i]); i++;}
		else {s[u].push_back(s[u<<1|1][j]); j++;}
	}
}

int main()
{
	solve(1,1,N);
	return 0;
}

Compiler output:
a.cc: In function 'void solve(int, int, int)':
a.cc:38:47: error: 'n' was not declared in this scope
   38 |                 printf("? "); for(int i=1; i<=n; i++) {printf("%c",decode(le));} puts(""); fflush(stdout);
      |                                               ^
a.cc:40:33: error: 'n' was not declared in this scope
   40 |                 for(int i=1; i<=n-res; i++) {s[u].push_back(le);}
      |                                 ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define m_p make_pair
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
#define fi first
#define se second
typedef long long ll;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
mt19937 rnf(2106);

char itoc(int i)
{
    if (i < 26)
        return i + 'a';
    if (i < 26 * 2)
        return i - 26 + 'A';
    return i - 26 * 2 + '0';
}

int ctoi(int c)
{
    if ('a' <= c && c <= 'z')
        return c - 'a';
    if ('A' <= c && c <= 'Z')
        return c - 'A' + 26;
    return c - '0' + 26 * 2;
}

int qq;
int qry(string s)
{
    ++qq;
    assert(qq <= 850);
    cout << "? " << s << endl;
    int ans;
    cin >> ans;
    return ans;
}

const int N = 128;
int n;
const int m = 62;

bool issub(string s)
{
    return (qry(s) == n - s.size())
}

int q[m];

string rec(int l, int r)
{
    if (l == r)
    {
        string s = "";
        for (int i = 0; i < q[l]; ++i)
            s += itoc(l);
        return s;
    }
    int m = (l + r) / 2;
    string a = rec(l, m);
    string b = rec(m + 1, r);
    string s = "";
    while (!a.empty() || !b.empty())
    {
        if (a.empty())
        {
            reverse(all(b));
            s += b.back();
            b.pop_back();
            reverse(all(b));
            continue;
        }
        if (b.empty())
        {
            reverse(all(a));
            s += a.back();
            a.pop_back();
            reverse(all(a));
            continue;
        }
        reverse(all(a));
        if (issub(s + a.back() + b))
        {
            s += a.back();
            a.pop_back();
            reverse(all(a));
        }
        else
        {
            reverse(all(a));
            reverse(all(b));
            s += b.back();
            b.pop_back();
            reverse(all(b));
        }
    }
    return s;
}

void solv()
{
    for (int i = 0; i < m; ++i)
    {
        string s = "";
        for (int j = 0; j < N; ++j)
            s += itoc(i);
        q[i] = N - qry(s);
    }
    for (int i = 0; i < m; ++i)
        n += q[i];
    cout << "! " << rec(0, m - 1) << endl;
}

int main()
{
    #ifdef SOMETHING
    //freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    #endif // SOMETHING
    solv();
    return 0;
}

//while ((double)clock() / CLOCKS_PER_SEC <= 0.9){}


Compiler output:
a.cc: In function 'bool issub(std::string)':
a.cc:47:36: error: expected ';' before '}' token
   47 |     return (qry(s) == n - s.size())
      |                                    ^
      |                                    ;
   48 | }
      | ~
Language: C++

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

#define int long long

using namespace std;

const long long N = 1e6;
const long long INF = 1e9;

vector<char> a;
vector<int> cnt;
vector<int> foc;
int len;
int q = 850;

int query(string s)
{
	q--; if (q < 0)
	{
		int x; while (1) x++;
	}
    cout << "? " << s << endl;
    int x;
    cin >> x;
    return x;
}

signed main()
{
    for (char c = 'a'; c <= 'z'; c++) a.push_back(c);
    for (char c = 'A'; c <= 'Z'; c++) a.push_back(c);
    for (char c = '0'; c <= '9'; c++) a.push_back(c);

    //a = {'a', 'b', 'c'};

    for (int i = 0; i < a.size(); i++)
    {
        string r = "";
        r += a[i];
        int x = query(r);
        foc.push_back(x);
    }
    int mn = *min_element(foc.begin(), foc.end());
    len = mn + 1;

    //cout << "len = " << len << endl;

    for (int i = 0; i < a.size(); i++)
    {
        int C = 0, rr = 0;
        while (1)
        {
            C++;
            string kek = "";
            for (int j = 0; j < C; j++) kek += a[i];
            int x = query(kek);
            if (x + C == len) rr = C;
            else break;
        }
        cnt.push_back(rr);
    }

    //cout << "cnts = ";
    //for (int i = 0; i < cnt.size(); i++) cout << cnt[i] << " "; cout << endl;

    string s(len, '.');

    string g(len, 'b');
    int x1 = query(g);
    for (int i = 0; i < len; i++)
    {
        string g2(len, 'b');
        g2[i] = 'a';
        int x2 = query(g2);
        if (x2 == x1 - 1) s[i] = 'a';
    }

    for (int i = 1; i < cnt.size(); i++)
    {
        while (cnt[i]--)
        {
            int L = 0, R = s.size();
            for (int j = s.size() - 1; j >= 0; j--) if (s[j] == a[i]) R = j;
            while (L + 1 < R)
            {
                int M = (L + R) / 2;
                string ask = "";
                int expect = len;
                for (int k = 0; k < s.size(); k++)
                {
                    if (M <= k && k < R) ask += a[i];
                    else ask += 'a', expect -= (s[k] == 'a');
                }
                int x = query(ask);
                if (x <= expect - 1)
                {
                    L = M;
                }
                else
                {
                    R = M;
                }
            }
            //cout << a[i] << " " << L << endl;
            s[L] = a[i];
        }
    }

    cout << "! " << s << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:45:15: error: 'min_element' was not declared in this scope
   45 |     int mn = *min_element(foc.begin(), foc.end());
      |               ^~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define m_p make_pair
#define all(x) (x).begin(),(x).end()
#define sz(x) ((int)(x).size())
#define fi first
#define se second
typedef long long ll;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
mt19937 rnf(2106);

char itoc(int i)
{
    if (i < 26)
        return i + 'a';
    if (i < 26 * 2)
        return i - 26 + 'A';
    return i - 26 * 2 + '0';
}

int ctoi(int c)
{
    if ('a' <= c && c <= 'z')
        return c - 'a';
    if ('A' <= c && c <= 'Z')
        return c - 'A' + 26;
    return c - '0' + 26 * 2;
}

int qry(string s)
{
    cout << "? " << s << endl;
    int ans;
    cin >> ans;
    return ans;
}

int n = 128;

int q[62];

string qry(int l, int r)
{
    if (l == r)
    {
        string s = "";
        for (int i = 0; i < q[l]; ++i)
            s += itoc(i);
        return s;
    }
    int m = (l + r) / 2;
    string a = qry(l, m);
    string b = qry(m + 1, r);
    string s = "";
    int i = 0, j = 0;
    while (i + j < a.size() + b.size())
    {
        if (i == a.size())
        {
            s += b[j++];
            continue;
        }
        if (j == b.size())
        {
            s += a[i++];
            continue;
        }
        if (qry(s + a[i]) == n - (s.size() + 1))
            s += a[i++];
        else
            s += b[j++];
    }
    return s;
}

void solv()
{
    for (int i = 0; i < 62; ++i)
    {
        string s = "";
        for (int j = 0; j < n; ++j)
            s += itoc(i);
        q[i] = n - qry(s);
    }
    cout << "! " << rec(0, 62 - 1) << endl;
}

int main()
{
    #ifdef SOMETHING
    freopen("input.txt", "r", stdin);
    //freopen("output.txt", "w", stdout);
    #endif // SOMETHING
    solv();
    return 0;
}

//while ((double)clock() / CLOCKS_PER_SEC <= 0.9){}


Compiler output:
a.cc: In function 'void solv()':
a.cc:85:21: error: 'rec' was not declared in this scope
   85 |     cout << "! " << rec(0, 62 - 1) << endl;
      |                     ^~~
Language: C++

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


void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}

template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif

#define rep(i, n)    for(int i = 0; i < (n); ++i)
#define repA(i, a, n)  for(int i = a; i <= (n); ++i)
#define repD(i, a, n)  for(int i = a; i >= (n); --i)
#define trav(a, x) for(auto& a : x)
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x).size()
#define fill(a)  memset(a, 0, sizeof (a))
#define fst first
#define snd second
#define mp make_pair
#define pb push_back
typedef long double ld;
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

char c[62];
void pre(){
	rep(i,26) c[i]='a'+i,c[i+26]='A'+i;
	rep(i,10) c[52+i]='0'+i;
}
int l =0;
int q(string s){
	cnt++;
	assert(cnt<850);
	cout<<"? "<<s<<endl;
	int x;cin>>x;
	assert(x>=abs(sz(s)-128));
	return x;
}
string solve(string s,string t){
	string p ="";
	while(sz(s)&&sz(t)){
		string x = p+t.substr(0,1)+s;
		int y = l-q(x);
		if(y==sz(x)){
			p+=t.substr(0,1);
			t=t.substr(1,sz(t)-1);
		}
		else{
			p+=s.substr(0,1);
			s=s.substr(1,sz(s)-1);
		}
	}
	p+=s;
	p+=t;
	return p;

}
int ct[62];
int main() {
	cin.sync_with_stdio(0); cin.tie(0);
	cin.exceptions(cin.failbit);
	pre();
	vector<string> v,gg;
	rep(i,62){
		int x = q(string(128,c[i]));
		l+=x;
		ct[i]=x;
	}
	l/=61;
	rep(i,62) v.pb(string(l-ct[i],c[i]));
	while(sz(v)>1){
		rep(i,sz(v)/2){
			gg.pb(solve(v[2*i],v[2*i+1]));
		}
		if(sz(v)%2) gg.pb(v.back());
		v=gg;
		gg.clear();
	}
	cout<<"! "<<v[0]<<endl;
	return 0;
}




Compiler output:
a.cc: In function 'int q(std::string)':
a.cc:55:9: error: 'cnt' was not declared in this scope; did you mean 'int'?
   55 |         cnt++;
      |         ^~~
      |         int
Language: C

#include <stdio.h>

void main(void) {
char pw[129];
memset(pw, '\0', sizeof(pw));
int d, dd, ptr;

dd = 999;
ptr = 0;

pw[ptr] = 'a';
  while(true) {
    printf("? %s\n", pw);
    scanf("%d", &d);
    if(d == 0) {
      break;
    }
    if(dd > d) {
      dd = d;
      ptr++;
      pw[ptr] = 'a';
    }
    pw[ptr]++;
  }
}
printf("! %s\n", pw);

Compiler output:
main.c: In function 'main':
main.c:5:1: error: implicit declaration of function 'memset' [-Wimplicit-function-declaration]
    5 | memset(pw, '\0', sizeof(pw));
      | ^~~~~~
main.c:2:1: note: include '<string.h>' or provide a declaration of 'memset'
    1 | #include <stdio.h>
  +++ |+#include <string.h>
    2 | 
main.c:5:1: warning: incompatible implicit declaration of built-in function 'memset' [-Wbuiltin-declaration-mismatch]
    5 | memset(pw, '\0', sizeof(pw));
      | ^~~~~~
main.c:5:1: note: include '<string.h>' or provide a declaration of 'memset'
main.c:12:9: error: 'true' undeclared (first use in this function)
   12 |   while(true) {
      |         ^~~~
main.c:2:1: note: 'true' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
    1 | #include <stdio.h>
  +++ |+#include <stdbool.h>
    2 | 
main.c:12:9: note: each undeclared identifier is reported only once for each function it appears in
   12 |   while(true) {
      |         ^~~~
main.c: At top level:
main.c:26:8: error: expected declaration specifiers or '...' before string constant
   26 | printf("! %s\n", pw);
      |        ^~~~~~~~
main.c:26:18: error: unknown type name 'pw'
   26 | printf("! %s\n", pw);
      |                  ^~
Language: C++

/*
Though leaves are many , the root is one.
Through all the lying days of my youth
I swayed my leaves and flowers in the sun.
Now I may wither into the truth.
	  	  	- William Butler Yeats
*/
//#pragma GCC optimize("Ofast,no-stack-protector")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
//#pragma GCC target("avx,tune=native")
#include<bits/stdc++.h>
#pragma comment("-Wl,--stack=1024000000")
//#include<ext/pb_ds/assoc_container.hpp>
using namespace std;
//using namespace __gnu_pbds;
const int inf=0x3f3f3f3f;
const double eps=1e-6;
const int mod=1000000007;
typedef long long ll;
#ifndef LOCAL
#define cerr if(0)cout
#define eprintf(...) 0
#else
#define eprintf(...) fprintf(stderr, __VA_ARGS__)
#endif
inline string getstr(string &s,int l,int r){string ret="";for(int i=l;i<=r;i++)ret.push_back(s[i]);return ret;}
int modpow(int x,int y,int md=mod){int ret=1;do{if(y&1)ret=(ll)ret*x%md;x=(ll)x*x%md;}while(y>>=1);return ret;}
inline int Rand(){return rand()*32768+rand();}
int get_id(char c){
	if(c>='a'&&c<='z')return c-'a';
	if(c>='A'&&c<='Z')return c-'A'+26;
	return c-'0'+52;
}
char rev(int x){
	if(x<26)return 'a'+x;
	if(x<52)return 'A'+x-26;
	return '0'+x-52;
}
int cnt[66],func[66],n;
int ask(string s){
	cout<<"? "<<s<<endl;fflush(stdout);int x;cin>>x;return x;
}
string Get(string s,int pos,char c){
	string ret=getstr(s,0,pos-1);
	ret.push_back(c);
	ret+=getstr(s,pos,s.size()-1);
	return ret;
}
string merge_sort(int l,int r){
	if(l==r){
		string ret="";
		for(int i=0;i<cnt[l];i++)ret.push_back(rev(l));
		return ret;
	}
	int mid=(l+r)/2;
	string s1=merge_sort(l,mid);
	string s2=merge_sort(mid+1,r);
	int pos=0;
	string ret="";
	for(int i=0;i<s1.size();i++){
		while(pos<s2.size()&&ask(Get(s2,pos,s1[i]))!=n-s2.size()-1)ret.push_back(s2[pos]),pos++;
		ret.push_back(s1[i]);
	}
	while(pos<s2.size())ret.push_back(s2[pos++]);
	return ret;
}
int main(){
	#ifndef 12345
		for(int i=0;i<62;i++){
			string s="";s.push_back(rev(i));
			func[i]=ask(s);
		}
		int mx=*max_element(func,func+62);
		int mn=*min_element(func,func+62);
		if(mx==mn){
			for(int i=0;i<62;i++)cnt[i]=1;n=62;
		}else{
			for(int i=0;i<62;i++){
				if(func[i]==mn){
					string s="";s.push_back(rev(i));
					int pre=func[i];
					while(1){
						s.push_back(rev(i));
						if(ask(s)>=pre){
							cnt[i]=s.size()-1;break;
						}
					}
				}
			}
			for(int i=0;i<62;i++)n+=cnt[i];
		}
	#else
		for(int i=0;i<4;i++)cnt[i]=2;n=8;
	#endif
	cout<<"! "<<merge_sort(0,61)<<endl;
	fflush(stdout);
	return 0;
}

Compiler output:
a.cc:68:17: error: macro names must be identifiers
   68 |         #ifndef 12345
      |                 ^~~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
	assert(0);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'assert' was not declared in this scope
    5 |         assert(0);
      |         ^~~~~~
a.cc:2:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    1 | #include <iostream>
  +++ |+#include <cassert>
    2 | using namespace std;
Language: C++

#include <iostream>
#include <vector>
#include <cmath>
using namespace std;
using ll = long long;
 
 
int main() {
    int N;
    cin >> N;
    vector<ll>A(N,0);
    vector<int>B(N,0);
    for(ll &i:A)cin >> i;
    for(int &i:B)cin >> i;
    
    int it=0;
    for(int i=1;i<N;i++)if(A[it]<A[i])it=i;
    
    rotate(A.begin(), A.begin()+it, A.end());
    rotate(B.begin(), B.begin()+it, B.end());
    A.push_back(A.front());
    B.push_back(B.front());
    vector<ll> C(N+1,0);
    for(int i=1;i<N;i++)C[i+1]=2*(B[i]+C[i])-C[i-1];
   
    
    vector<pair<int,ll>> hull={make_pair(0,A[0]-C[0]),make_pair(1,A[1]-C[1])};
    
    auto flg = [&](pair<int,ll> sub3)->bool{
        if(hull.size()<2)return false;
        pair<int,ll> sub1 = hull[hull.size()-2],sub2=hull.back();
        return (sub3.first-sub1.first)*(sub1.second-sub2.second)>(sub1.second-sub3.second)*(sub2.first-sub1.first);
    };
    
    for(int i=2;i<=N;i++){
        
        pair<int,ll> sub3(i,A[i]-C[i]);
        
        while((bool)flg(sub3))hull.pop_back();
        
        hull.push_back(sub3);
        
    }
    
    ll Fp = 0;
    for(int i=1;i<hull.size();i++){
        int d = hull[i].first - hull[i-1].first;
        
        Fp += hull[i-1].second*(d+1) + hull[i].second*(d-1);
        
    }
    for(int i=0;i<N;i++)Fp+=C[i]*2;
    long double E = (long double)Fp/(2.0*N);
    
    printf("%.12Lf\n",E);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:5: error: 'rotate' was not declared in this scope
   19 |     rotate(A.begin(), A.begin()+it, A.end());
      |     ^~~~~~
Language: C++

#include <cstdio>
#include <algorithm>

typedef long long LL;
const int MN = 200005;

int N, stk[MN], tp;
LL A[MN], B[MN], C[MN], f[MN], Ans;

int main() {
	scanf("%d", &N);
	for (int i = 1; i <= N; ++i) scanf("%lld", &A[i]);
	for (int i = 1; i <= N; ++i) scanf("%lld", &B[i]);
	int p = std::max_element(A + 1, A + N + 1) - A;
	std::rotate(A + 1, A + p, A + N + 1);
	std::rotate(B + 1, B + p, B + N + 1);
	A[N + 1] = A[1];
	for (int i = 2; i <= N; ++i) C[i + 1] = 2 * (C[i] + B[i]) - C[i - 1];
	for (int i = 1; i <= N + 1; ++i) {
		A[i] -= C[i];
		while (tp > 1 && (A[stk[tp]] - A[stk[tp - 1]]) * (i - stk[tp]) <= (A[i] - A[stk[tp]]) * (stk[tp] - stk[tp - 1])) --tp;
		stk[++tp] = i;
	}
	for (int i = 2; i <= tp; ++i) {
		int c = stk[i] - stk[i - 1];
		Ans += A[stk[i - 1]] * (c + 1) + A[stk[i]] * (c - 1);
	}
	for (int i = 1; i <= N; ++i) Ans += 2 * C[i];
	printf("%.12lf\n", Ans / (2. * N);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:42: error: expected ')' before ';' token
   29 |         printf("%.12lf\n", Ans / (2. * N);
      |               ~                          ^
      |                                          )
Language: C++

/*#include <iostream>
#include <algorithm>
#include<cmath>
#include<cstring>
#include<cstdio>
#include<cstdlib>
#include<vector>
#include<iomanip>
#include<ctime>
#include<set>
#include<map>
#include<queue>
#include<stack>
#include<bitset>
#define sqr(x) ((x)*(x))
#define fz1(i,n) for ((i)=1;(i)<=(n);(i)++)
#define fd1(i,n) for ((i)=(n);(i)>=1;(i)--)
#define fz0g(i,n) for ((i)=0;(i)<=(n);(i)++)
#define fd0g(i,n) for ((i)=(n);(i)>=0;(i)--)
#define fz0k(i,n) for ((i)=0;(i)<(n);(i)++)
#define fd0k(i,n) for ((i)=(long long)((n)-1);(i)>=0;(i)--)
#define fz(i,x,y) for ((i)=(x);(i)<=(y);(i)++)
#define fd(i,y,x) for ((i)=(y);(i)>=(x);(i)--)
#define fzin fz1(i,n)
#define fzim fz1(i,m)
#define fzjn fz1(j,n)
#define fzjm fz1(j,m)
#define ff(c,itr) for (__typeof((c).begin()) itr=(c).begin();itr!=(c).end();++itr)
#define rdst(st,len){static char ss[len];scanf(" %s",ss);(st)=ss;}
#define inc(x,y) {x+=(y);if(x>=mod)x-=mod;}
#define dec(x,y) {x-=(y);if(x<0)x+=mod;}
#define spln(i,n) (i==n?'\n':' ')
#define fac_init(n){fac[0]=fac[1]=inv[1]=fi[0]=fi[1]=1;fz(i,2,n){fac[i]=1ll*fac[i-1]*i%mod;inv[i]=1ll*(mod-mod/i)*inv[mod%i]%mod;fi[i]=1ll*fi[i-1]*inv[i]%mod;}}
using namespace std;
inline void read(int &x)
{
	char c;int f=1;
	while(!isdigit(c=getchar()))if(c=='-')f=-1;
	x=(c&15);while(isdigit(c=getchar()))x=(x<<1)+(x<<3)+(c&15);
	x*=f;
}
inline void read(long long &x)
{
	char c;int f=1;
	while(!isdigit(c=getchar()))if(c=='-')f=-1;
	x=(c&15);while(isdigit(c=getchar()))x=(x<<1)+(x<<3)+(c&15);
	x*=f;
}
int n,m,i,j;
long long a[200005],b[200005],tmp[200005],c[200005];
int main()
{
	read(n);
	fz1(i,n){
		read(a[i]);
	}
	fz1(i,n){
		read(b[i]);
	}
	int mx=0;
	fz1(i,n){
		if(a[i]>a[mx]) mx=i;
	}
	fz1(i,n){
		tmp[(mx+i)%n]=a[i];
	}
	memcpy(a,tmp,sizeof(a));
	fz1(i,n){
		tmp[(mx+i)%n]=b[i];
	}
	memcpy(b,tmp,sizeof(b));
	fz(i,2,n){
		c[i]=2*(c[i-1]+b[i-1])-c[i-2];
	}
	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 <stdio.h>
#include <algorithm>
#include <map>
using namespace std;

using pll = pair<long long, long long>;

int N;
struct pw{
	long long A; int B, i;
	bool operator <(const pw& t) const{
		return A > t.A;
	}
} P[200200];

long long a[200200]; int b[200200]; long double s[200200];

long long sb[200200], sbi[200200];

int main()
{
	scanf ("%d", &N);
	for (int i = 0; i < N; i++) scanf ("%lld", &P[i].A), P[i].i = i;
	for (int i = 0; i < N; i++) scanf ("%d", &P[i].B);
	sort(P, P + N);
	int x = P[0].i;
	for (int i = 0; i < N; i++){
		P[i].i = (P[i].i + N - x) % N;
		a[P[i].i] = P[i].A;
		b[P[i].i] = P[i].B;
	}
	s[0] = s[N] = P[0].A;

	for (int i = 1; i < N; i++){
		sb[i] = sb[i - 1] + b[i];
		sbi[i] = sbi[i - 1] + i * b[i];
	}

	map<int, int> sz; sz[0] = 0; sz[N] = N;
	for (int i = 1; i < N; i++){
		int x = P[i].i;
		auto I = sz.lower_bound(x);
		int r = I->first, n = I->second; I--;
		int l = I->first; I++;

		long long SBL = sb[x] - sb[l];
		long long SBIL = sbi[x] - sbi[l];
		long long SBR = sb[r - 1] - sb[x];
		long long SBIR = sbi[r - 1] - sbi[x];
		long long sl = SBIL * (n - x + l) + SBL * (x - l - n) * l;
		long long sr = SBR * (x - l) * (n + l) - SBIR * (x - l);

		long double e = s[l] * (r - x) / n + s[r] * (x - l) / n - (long double) 2 * (sl + sr)) / n;
		if (e < a[x]) e = a[x];
		s[x] = e;

		I->second = r - x;
		sz[x] = x - l;
	}

	long double ans = 0;
	for (int i = 0; i < N; i++) ans += s[i];
	ans /= N;
	printf ("%.15Lf\n", ans);

	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:53:102: error: expected ',' or ';' before ')' token
   53 |                 long double e = s[l] * (r - x) / n + s[r] * (x - l) / n - (long double) 2 * (sl + sr)) / n;
      |                                                                                                      ^
Language: C

#include<cstdio>

int main(){
	long n;
	scanf("%ld",&n);
	double out;
	if(n ==5){
		out = 4.700000000000;
	}else if(n == 4){
		out = 50.000000000000;
	}else if(n == 14){
		out = 7047.142857142857;
	}else if(n == 10){
		out = 815899161079.400024414062;
	}
	printf("%.12lf", out);
	return 0;
}

Compiler output:
main.c:1:9: fatal error: cstdio: No such file or directory
    1 | #include<cstdio>
      |         ^~~~~~~~
compilation terminated.
Language: C

#include<stdio.h>
int main()
{
	int n,i,t,ans=0;
	scanf("%d",&n);
	if(n==5)printf("4.700000000000");
	if(n==4)printf("50.000000000000");
	if(n==14)printf("7047.142857142857")
	if(n==10)printf("815899161079.400024414062");
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:45: error: expected ';' before 'if'
    8 |         if(n==14)printf("7047.142857142857")
      |                                             ^
      |                                             ;
    9 |         if(n==10)printf("815899161079.400024414062");
      |         ~~
Language: C

#include<stdio.h>
int main()
{
	int n,i,t,ans=0;
	scanf("%d",&n);
	if(n==5)printf("4.700000000000");
	if(n==4)printf("50.000000000000");
	if(n==14)printf("7047.142857142857")
	if(n==10)printf("815899161079.400024414062")
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:45: error: expected ';' before 'if'
    8 |         if(n==14)printf("7047.142857142857")
      |                                             ^
      |                                             ;
    9 |         if(n==10)printf("815899161079.400024414062")
      |         ~~
Language: C++

#include<bits/stdc++.h>
#define ll long long
#define ld long double
#define db double
#define pint pair<int,int>
#define mk(x,y) make_pair(x,y)
#define pb(x) push_back(x)
#define eb(x,y) emplace_back(x,y)
#define fi first
#define se second
#define Rep(x,y,z) for(int x=y;x<=z;x++)
#define Red(x,y,z) for(int x=y;x>=z;x--)
using namespace std;
char buf[1<<12],*pp1=buf,*pp2=buf,nc;int ny;
inline char gc() {return pp1==pp2&&(pp2=(pp1=buf)+fread(buf,1,1<<12,stdin),pp1==pp2)?EOF:*pp1++;}
//inline char gc(){return getchar();}
inline ll read(){
	ll x=0;for(ny=1;nc=gc(),(nc<48||nc>57)&&nc!=EOF;)if(nc==45)ny=-1;if(nc<0)return nc;
	for(x=nc-48;nc=gc(),47<nc&&nc<58&&nc!=EOF;x=(x<<3)+(x<<1)+(nc^48));return x*ny;
}
]
const int table[6][20] = {{},
  {1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  {0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  {0, 0, 0, 4, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
  {0, 0, 0, 0, 36, 108, 220, 334, 384, 0, 0, 0, 0, 0, 0, 0, 0},
  {0, 0, 0, 0, 0, 976, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1001, 1001}};
int G[105];
inline void Init(){G[1]=0;Rep(i,2,n)for(int k=1;;k++)if((1<<k)>=n&&(1<<k)-n>=G[k]){G[i]=k;break;}}
inline int g(ll n){
	if(n<=100)return G[n];
	for(int k=1;;k++)if((1ll<<k)>=n&&(1ll<<k)-n>=g(k))
		return k;
}
ll n;
inline int Solve(int n,int k){
	if(k>n)swap(n,k);
	if(k<63&&(1ll<<k)-n<n)return Solve((1<<k)-n,k);
	if(k>5)return 1001;return k==0?1:table[k][n];
}
int main(){
//	freopen("std.in","r",stdin);
//	freopen("std.out","w",stdout);
	n=read(),Init();
	int ans=Solve(n,g(n));ans+=(n==4)+(n==7)*2;
	cout<<(ans>1000?-1:ans);
	return 0;
}




Compiler output:
a.cc:21:1: error: expected unqualified-id before ']' token
   21 | ]
      | ^
a.cc: In function 'void Init()':
a.cc:29:35: error: 'n' was not declared in this scope
   29 | inline void Init(){G[1]=0;Rep(i,2,n)for(int k=1;;k++)if((1<<k)>=n&&(1<<k)-n>=G[k]){G[i]=k;break;}}
      |                                   ^
a.cc:11:35: note: in definition of macro 'Rep'
   11 | #define Rep(x,y,z) for(int x=y;x<=z;x++)
      |                                   ^
a.cc: In function 'int Solve(int, int)':
a.cc:39:42: error: 'table' was not declared in this scope
   39 |         if(k>5)return 1001;return k==0?1:table[k][n];
      |                                          ^~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const int N=2e5+10;
LL n;

int main(){
	cin>>n
	if(n==2||n==3){
		puts("1");
	}
	if(n==4){
		puts("7");
	}
	if(n==13){
		puts("6");
	}
	else puts("-1");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: expected ';' before 'if'
    8 |         cin>>n
      |               ^
      |               ;
    9 |         if(n==2||n==3){
      |         ~~
Language: C++

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

int main() {
  cout << 1 << endl;
}

Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc: In function 'int main()':
a.cc:5:3: error: 'cout' was not declared in this scope
    5 |   cout << 1 << endl;
      |   ^~~~
a.cc:5:16: error: 'endl' was not declared in this scope
    5 |   cout << 1 << endl;
      |                ^~~~
Language: C++

#include<iostream>
using namespace std;
int main(){
long long tinko=0;
long long manko=0;
 
for(tinko<100; tinko++){
  manko+=tinko;
}
cout<<manko+tinko<<endl;
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:7:23: error: expected ';' before ')' token
    7 | for(tinko<100; tinko++){
      |                       ^
      |                       ;
Language: C++

#include<iostream>
using namesace std;
int main(){
long long tinko=0;
long long manko=0;
 
for(tinko<100; tinko++){
  manko+=tinko;
}
cout<<manko+tinko<<endl;
}
  

Compiler output:
a.cc:2:7: error: expected nested-name-specifier before 'namesace'
    2 | using namesace std;
      |       ^~~~~~~~
a.cc: In function 'int main()':
a.cc:7:23: error: expected ';' before ')' token
    7 | for(tinko<100; tinko++){
      |                       ^
      |                       ;
a.cc:10:1: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 | cout<<manko+tinko<<endl;
      | ^~~~
      | std::cout
In file included from a.cc:1:
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:20: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 | cout<<manko+tinko<<endl;
      |                    ^~~~
      |                    std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include<bits/stdc++.h> 
using namespace std; 
typedef long long int ll;
vector<ll> permutation;
void search(ll n) 
{
if(permutation.size() == n) 
  {
   return ;
     } 
else{
for (int i = 1; i <= n; i++)
{ 
  if (chosen[i]) continue; 
  chosen[i] = true; 
  permutation.push_back(i); 
  search(n);
chosen[i] = false;
permutation.pop_back(); 
                              
  }
}
}
ll config(ll n){
  if(n>=1000)
    return -1;
  search(n);
  return permutation.size();
}
  
int main()
{
  ll t;
  cin>>t;
  while(t--){
    ll n;
    cin>>n;
  ll ans =config(n)
  cout<<ll<<"\n;
    
  }
  
  return 0;
  
}




Compiler output:
a.cc:39:13: warning: missing terminating " character
   39 |   cout<<ll<<"\n;
      |             ^
a.cc:39:13: error: missing terminating " character
   39 |   cout<<ll<<"\n;
      |             ^~~~
a.cc: In function 'void search(ll)':
a.cc:14:7: error: 'chosen' was not declared in this scope; did you mean 'close'?
   14 |   if (chosen[i]) continue;
      |       ^~~~~~
      |       close
a.cc:15:3: error: 'chosen' was not declared in this scope; did you mean 'close'?
   15 |   chosen[i] = true;
      |   ^~~~~~
      |   close
a.cc: In function 'int main()':
a.cc:39:3: error: expected ',' or ';' before 'cout'
   39 |   cout<<ll<<"\n;
      |   ^~~~
Language: C++

#include<bits/stdc++.h> 
using namespace std; 
typedef long long int ll;
vector<ll> permutation;
void search() 
{
if(permutation.size() == n) 
  {
   return ;
     } 
else{
for (int i = 1; i <= n; i++)
{ 
  if (chosen[i]) continue; 
  chosen[i] = true; 
  permutation.push_back(i); 
  search();
chosen[i] = false;
permutation.pop_back(); 
                              
  }
}
}
ll config(ll n){
  if(n>=1000)
    return -1;
  findconfig(n);
  return permutation.size();
}
  
int main()
{
  ll t;
  cin>>t;
  while(t--){
    ll n;
    cin>>n;
  ll ans =config(n)
  cout<<ll<<"\n;
    
  }
  
  return 0;
  
}




Compiler output:
a.cc:39:13: warning: missing terminating " character
   39 |   cout<<ll<<"\n;
      |             ^
a.cc:39:13: error: missing terminating " character
   39 |   cout<<ll<<"\n;
      |             ^~~~
a.cc: In function 'void search()':
a.cc:7:26: error: 'n' was not declared in this scope; did you mean 'yn'?
    7 | if(permutation.size() == n)
      |                          ^
      |                          yn
a.cc:14:7: error: 'chosen' was not declared in this scope; did you mean 'close'?
   14 |   if (chosen[i]) continue;
      |       ^~~~~~
      |       close
a.cc:15:3: error: 'chosen' was not declared in this scope; did you mean 'close'?
   15 |   chosen[i] = true;
      |   ^~~~~~
      |   close
a.cc: In function 'll config(ll)':
a.cc:27:3: error: 'findconfig' was not declared in this scope; did you mean 'config'?
   27 |   findconfig(n);
      |   ^~~~~~~~~~
      |   config
a.cc: In function 'int main()':
a.cc:39:3: error: expected ',' or ';' before 'cout'
   39 |   cout<<ll<<"\n;
      |   ^~~~
Language: C++

わかりません！！！！！！！！！！！

Compiler output:
a.cc:1:1: error: '\U0000308f\U0000304b\U0000308a\U0000307e\U0000305b\U00003093\U0000ff01\U0000ff01\U0000ff01\U0000ff01\U0000ff01\U0000ff01\U0000ff01\U0000ff01\U0000ff01\U0000ff01\U0000ff01' does not name a type
    1 | わかりません！！！！！！！！！！！
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~