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

#include<iostream>
#include<string>

int main(){
  string s;
  cin >> s;
  if(s[2] == s[3] && s[4] == s[5]) cout << "Yes" <<endl;
  else cout << "No" <<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'string' was not declared in this scope
    5 |   string s;
      |   ^~~~~~
a.cc:5:3: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin >> s;
      |   ^~~
      |   std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:6:10: error: 's' was not declared in this scope
    6 |   cin >> s;
      |          ^
a.cc:7:36: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |   if(s[2] == s[3] && s[4] == s[5]) cout << "Yes" <<endl;
      |                                    ^~~~
      |                                    std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:7:52: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    7 |   if(s[2] == s[3] && s[4] == s[5]) cout << "Yes" <<endl;
      |                                                    ^~~~
      |                                                    std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:8:8: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |   else cout << "No" <<endl;
      |        ^~~~
      |        std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:8:23: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    8 |   else cout << "No" <<endl;
      |                       ^~~~
      |                       std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include<iostream> #include<string> int main(){string s; cin >> s; if(s[2]  == s[3] && s[4] == s[5] {cout << "Yes" <<endl;} else {cout << "No" <<endl;} return 0;}

Compiler output:
a.cc:1:20: warning: extra tokens at end of #include directive
    1 | #include<iostream> #include<string> int main(){string s; cin >> s; if(s[2]  == s[3] && s[4] == s[5] {cout << "Yes" <<endl;} else {cout << "No" <<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++

#include<iostream>
#include<string>

int main() {
  string s;
  cin >> s;
  if(s[2] == s[3} && s[4] == s[5]) cout << "Yes" << endl;
  else cout << "No" <<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'string' was not declared in this scope
    5 |   string s;
      |   ^~~~~~
a.cc:5:3: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin >> s;
      |   ^~~
      |   std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:6:10: error: 's' was not declared in this scope
    6 |   cin >> s;
      |          ^
a.cc:7:17: error: expected ']' before '}' token
    7 |   if(s[2] == s[3} && s[4] == s[5]) cout << "Yes" << endl;
      |                 ^
      |                 ]
a.cc:7:17: error: expected ')' before '}' token
    7 |   if(s[2] == s[3} && s[4] == s[5]) cout << "Yes" << endl;
      |     ~           ^
      |                 )
a.cc:7:17: error: expected primary-expression before '}' token
a.cc: At global scope:
a.cc:7:27: error: expected constructor, destructor, or type conversion before '==' token
    7 |   if(s[2] == s[3} && s[4] == s[5]) cout << "Yes" << endl;
      |                           ^~
a.cc:8:3: error: expected unqualified-id before 'else'
    8 |   else cout << "No" <<endl;
      |   ^~~~
a.cc:9:3: error: expected unqualified-id before 'return'
    9 |   return 0;
      |   ^~~~~~
a.cc:10:1: error: expected declaration before '}' token
   10 | }
      | ^
Language: Java

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
public class Codechef
{
	public static void main (String[] args) throws java.lang.Exception
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		String s=br.readLine().trim();
		//System.out.println(s);
		
		if((s.charAt(2)==s.charAt(3)) && (s.charAt(4)==s.charAt(5)))
		    System.out.println("YES");
		else
		    System.out.println("NO");
	}
}

Compiler output:
Main.java:6: error: class Codechef is public, should be declared in a file named Codechef.java
public class Codechef
       ^
1 error
Language: C++

  cin.tie(0);
  ios::sync_with_studio(false);
}
next_permutation(v.begin(), v.end())

cout << fixed << setprecision(10);

__builtin_popcount(i)
  

Compiler output:
a.cc:1:3: error: 'cin' does not name a type
    1 |   cin.tie(0);
      |   ^~~
a.cc:2:3: error: 'ios' does not name a type
    2 |   ios::sync_with_studio(false);
      |   ^~~
a.cc:3:1: error: expected declaration before '}' token
    3 | }
      | ^
a.cc:4:17: error: expected constructor, destructor, or type conversion before '(' token
    4 | next_permutation(v.begin(), v.end())
      |                 ^
a.cc:8:19: error: expected constructor, destructor, or type conversion before '(' token
    8 | __builtin_popcount(i)
      |                   ^
Language: C++

// 二部グラフ判定
vll color(210);
vvll g(210,vll(0));
bool dfs(ll i,ll p,ll c){　　　　　// i==子  p==親  c==1or2 dfs(1,0,1)で開始　隣接は１originに変換//
    if(color[i]!=0){
        if(color[i]==c)return 1;
        else return 0;
    }
    color[i]=c;
    bool f=1;
    for(auto e:g[i]){
        if(e==p)continue;
        if(c==1){
            f&=dfs(e,i,2);
        }
        else{
            f&=dfs(e,i,1);
        }
    }
    return f;
}


Compiler output:
a.cc:4:26: error: extended character 　 is not valid in an identifier
    4 | bool dfs(ll i,ll p,ll c){　　　　　// i==子  p==親  c==1or2 dfs(1,0,1)で開始　隣接は１originに変換//
      |                          ^
a.cc:4:26: error: extended character 　 is not valid in an identifier
a.cc:4:26: error: extended character 　 is not valid in an identifier
a.cc:4:26: error: extended character 　 is not valid in an identifier
a.cc:4:26: error: extended character 　 is not valid in an identifier
a.cc:2:1: error: 'vll' does not name a type
    2 | vll color(210);
      | ^~~
a.cc:3:1: error: 'vvll' does not name a type
    3 | vvll g(210,vll(0));
      | ^~~~
a.cc:4:10: error: 'll' was not declared in this scope
    4 | bool dfs(ll i,ll p,ll c){　　　　　// i==子  p==親  c==1or2 dfs(1,0,1)で開始　隣接は１originに変換//
      |          ^~
a.cc:4:15: error: 'll' was not declared in this scope
    4 | bool dfs(ll i,ll p,ll c){　　　　　// i==子  p==親  c==1or2 dfs(1,0,1)で開始　隣接は１originに変換//
      |               ^~
a.cc:4:20: error: 'll' was not declared in this scope
    4 | bool dfs(ll i,ll p,ll c){　　　　　// i==子  p==親  c==1or2 dfs(1,0,1)で開始　隣接は１originに変換//
      |                    ^~
a.cc:4:24: error: expression list treated as compound expression in initializer [-fpermissive]
    4 | bool dfs(ll i,ll p,ll c){　　　　　// i==子  p==親  c==1or2 dfs(1,0,1)で開始　隣接は１originに変換//
      |                        ^
Language: C++

// Union Find
 
template<typename T>
struct UnionFind
{
	vector<T> par;
	vector<T> rank;
	vector<T> sizes;
	UnionFind(T n):par(n),rank(n,0),sizes(n,1){
	   for(T i=0;i<n;i++){
	     par[i]=i;
	   }
	}
	T root(T x){
	  return par[x]==x?x:par[x]=root(par[x]);
	}
 
	bool unite(T x,T y){
	  if(x==y) return false;
	  x=root(x); y=root(y);
	  if(x==y) return false;
	  if(rank[x]<rank[y]) swap(x,y);
	  if(rank[x]==rank[y]) rank[x]++;
	  par[y]=x;
	  sizes[x]=sizes[x]+sizes[y];
	  return true;
	}
	bool same(T x,T y){
	  return root(x)==root(y);
	}
	T size(T x){
	  return sizes[root(x)];
	}
};

Compiler output:
a.cc:6:9: error: 'vector' does not name a type
    6 |         vector<T> par;
      |         ^~~~~~
a.cc:7:9: error: 'vector' does not name a type
    7 |         vector<T> rank;
      |         ^~~~~~
a.cc:8:9: error: 'vector' does not name a type
    8 |         vector<T> sizes;
      |         ^~~~~~
a.cc: In constructor 'UnionFind<T>::UnionFind(T)':
a.cc:9:24: error: class 'UnionFind<T>' does not have any field named 'par'
    9 |         UnionFind(T n):par(n),rank(n,0),sizes(n,1){
      |                        ^~~
a.cc:9:31: error: class 'UnionFind<T>' does not have any field named 'rank'
    9 |         UnionFind(T n):par(n),rank(n,0),sizes(n,1){
      |                               ^~~~
a.cc:9:41: error: class 'UnionFind<T>' does not have any field named 'sizes'
    9 |         UnionFind(T n):par(n),rank(n,0),sizes(n,1){
      |                                         ^~~~~
a.cc:11:14: error: 'par' was not declared in this scope
   11 |              par[i]=i;
      |              ^~~
a.cc: In member function 'T UnionFind<T>::root(T)':
a.cc:15:18: error: 'par' was not declared in this scope
   15 |           return par[x]==x?x:par[x]=root(par[x]);
      |                  ^~~
a.cc: In member function 'bool UnionFind<T>::unite(T, T)':
a.cc:22:14: error: 'rank' was not declared in this scope
   22 |           if(rank[x]<rank[y]) swap(x,y);
      |              ^~~~
a.cc:23:14: error: 'rank' was not declared in this scope
   23 |           if(rank[x]==rank[y]) rank[x]++;
      |              ^~~~
a.cc:24:11: error: 'par' was not declared in this scope
   24 |           par[y]=x;
      |           ^~~
a.cc:25:11: error: 'sizes' was not declared in this scope; did you mean 'size'?
   25 |           sizes[x]=sizes[x]+sizes[y];
      |           ^~~~~
      |           size
a.cc: In member function 'T UnionFind<T>::size(T)':
a.cc:32:18: error: 'sizes' was not declared in this scope; did you mean 'size'?
   32 |           return sizes[root(x)];
      |                  ^~~~~
      |                  size
Language: C++

//nCr
ll next_combination(ll sub) {
    ll x = sub & -sub, y = sub + x;
    return (((sub & ~y) / x) >> 1) | y;
}

ll bit = (1<<k)-1;  // bit = {0, 1, 2}
for (;bit < (1<<n); bit = next_combination(bit)) {
        /* ここに処理を書く */
}

Compiler output:
a.cc:2:1: error: 'll' does not name a type
    2 | ll next_combination(ll sub) {
      | ^~
a.cc:7:1: error: 'll' does not name a type
    7 | ll bit = (1<<k)-1;  // bit = {0, 1, 2}
      | ^~
a.cc:8:1: error: expected unqualified-id before 'for'
    8 | for (;bit < (1<<n); bit = next_combination(bit)) {
      | ^~~
a.cc:8:7: error: 'bit' does not name a type
    8 | for (;bit < (1<<n); bit = next_combination(bit)) {
      |       ^~~
a.cc:8:21: error: 'bit' does not name a type
    8 | for (;bit < (1<<n); bit = next_combination(bit)) {
      |                     ^~~
Language: C++

//エラトステネスの篩

void Eratosthenes(){
	for(ll i = 2; i < n; i++){
		arr[i] = 1;
	}
	for(int i = 2; i < sqrt(n); i++){
		if(arr[i]){
			for(int j = 0; i * (j + 2) < n; j++){
				arr[i *(j + 2)] = 0;
			}
		}
	}

	for(int i = 2; i < n; i++){
		if(arr[i]){
			//cout << i << endl;
		}
	}
}
//////素数判定
bool is_prime(ll x) { for (ll i = 2; i * i <= x; i++) { if (x % i == 0)return false; } return true; }

//////約数列挙
vector<ll> res(0);
void yakusuu(ll n){
	for(ll i=1;i*i<=n;i++){
	    if(n%i==0){
            res.pb(i);
            if(i!=n/i) res.pb(n/i);
	    }
	}
	return ;
}

/////素因数分解

map<ll,ll> insuu;
void prime_factor(ll n){
    ll k=n;
	for(ll i=2;i*i<=n;i++){
	    while(k%i==0){
	        insuu[i]++;
	        k/=i;
	    }
	}
	if(k!=1) insuu[k]=1;
	return ;
}

Compiler output:
a.cc: In function 'void Eratosthenes()':
a.cc:4:13: error: 'll' was not declared in this scope
    4 |         for(ll i = 2; i < n; i++){
      |             ^~
a.cc:4:23: error: 'i' was not declared in this scope
    4 |         for(ll i = 2; i < n; i++){
      |                       ^
a.cc:4:27: error: 'n' was not declared in this scope
    4 |         for(ll i = 2; i < n; i++){
      |                           ^
a.cc:5:17: error: 'arr' was not declared in this scope
    5 |                 arr[i] = 1;
      |                 ^~~
a.cc:7:33: error: 'n' was not declared in this scope
    7 |         for(int i = 2; i < sqrt(n); i++){
      |                                 ^
a.cc:7:28: error: 'sqrt' was not declared in this scope
    7 |         for(int i = 2; i < sqrt(n); i++){
      |                            ^~~~
a.cc:8:20: error: 'arr' was not declared in this scope
    8 |                 if(arr[i]){
      |                    ^~~
a.cc:15:28: error: 'n' was not declared in this scope
   15 |         for(int i = 2; i < n; i++){
      |                            ^
a.cc:16:20: error: 'arr' was not declared in this scope
   16 |                 if(arr[i]){
      |                    ^~~
a.cc: At global scope:
a.cc:22:15: error: 'll' was not declared in this scope
   22 | bool is_prime(ll x) { for (ll i = 2; i * i <= x; i++) { if (x % i == 0)return false; } return true; }
      |               ^~
a.cc:25:1: error: 'vector' does not name a type
   25 | vector<ll> res(0);
      | ^~~~~~
a.cc:26:6: error: variable or field 'yakusuu' declared void
   26 | void yakusuu(ll n){
      |      ^~~~~~~
a.cc:26:14: error: 'll' was not declared in this scope
   26 | void yakusuu(ll n){
      |              ^~
a.cc:38:1: error: 'map' does not name a type
   38 | map<ll,ll> insuu;
      | ^~~
a.cc:39:6: error: variable or field 'prime_factor' declared void
   39 | void prime_factor(ll n){
      |      ^~~~~~~~~~~~
a.cc:39:19: error: 'll' was not declared in this scope
   39 | void prime_factor(ll n){
      |                   ^~
Language: C++

template<int64 mod>
struct ModInt{
  int64 x;
  constexpr ModInt(int64 y = 0):x((y%mod+mod)%mod){}
  constexpr ModInt& operator+=(const ModInt& a){
    if((x += a.x) >= mod) x -= mod;
    return *this;
  }
  constexpr ModInt& operator-=(const ModInt& a){
    if((x -= a.x) < 0)x += mod;
    return *this;
  }
  constexpr ModInt& operator*=(const ModInt& a){
    x = x * a.x % mod;
    return *this;
  }
  constexpr ModInt& operator/=(const ModInt& a){
    *this *= a.inv();
    return *this;
  }
  constexpr ModInt operator-() const {
    return ModInt(-x);
  }
  constexpr ModInt operator+(const ModInt& a) const {
    return ModInt(*this) += a;
  }
  constexpr ModInt operator-(const ModInt& a) const {
    return ModInt(*this) -= a;
  }
  constexpr ModInt operator*(const ModInt& a) const {
    return ModInt(*this) *= a;
  }
  constexpr ModInt operator/(const ModInt& a) const {
    return ModInt(*this) /= a;
  }
  constexpr ModInt operator++(){
    *this += ModInt(1);
    return *this;
  }
  constexpr ModInt operator++(int){
    ModInt old = *this;
    ++*this;
    return old;
  }
  constexpr ModInt operator--(){
    *this -= ModInt(1);
    return *this;
  }
  constexpr ModInt operator--(int){
    ModInt old = *this;
    --*this;
    return old;
  }
  constexpr bool operator==(const ModInt& a) const {
    return x == a.x;
  }
  constexpr bool operator!=(const ModInt& a) const {
    return x != a.x;
  }
  constexpr ModInt pow(int64 r) const {
    if(!r)return 1;
    ModInt res = pow(r>>1);
    res *= res;
    if(r & 1) res *= *this;
    return res;
  }
  constexpr ModInt inv() const {
    return pow(mod-2);
  }
  friend istream& operator>>(istream& is, ModInt& a){
    int64 t;
    is >> t;
    a = ModInt(t);
    return is;
  }
  friend ostream& operator<<(ostream& os, const ModInt& a){
    return os << a.x;
  }
};
using mint = ModInt<MOD>;

Compiler output:
a.cc:1:10: error: 'int64' has not been declared
    1 | template<int64 mod>
      |          ^~~~~
a.cc:3:3: error: 'int64' does not name a type; did you mean 'int'?
    3 |   int64 x;
      |   ^~~~~
      |   int
a.cc:4:25: error: expected ')' before 'y'
    4 |   constexpr ModInt(int64 y = 0):x((y%mod+mod)%mod){}
      |                   ~     ^~
      |                         )
a.cc:60:24: error: 'int64' has not been declared
   60 |   constexpr ModInt pow(int64 r) const {
      |                        ^~~~~
a.cc:70:10: error: 'istream' does not name a type
   70 |   friend istream& operator>>(istream& is, ModInt& a){
      |          ^~~~~~~
a.cc:76:10: error: 'ostream' does not name a type
   76 |   friend ostream& operator<<(ostream& os, const ModInt& a){
      |          ^~~~~~~
a.cc:80:21: error: 'MOD' was not declared in this scope
   80 | using mint = ModInt<MOD>;
      |                     ^~~
a.cc:80:24: error: template argument 1 is invalid
   80 | using mint = ModInt<MOD>;
      |                        ^
Language: C++

//BIT
template< typename T >
struct BIT {
  int N; int max_2beki;
 
  vector< T > data;
  // 初期化 1-indexedでデータを管理する 0で初期化
  BIT(int size){
      N = ++size;
      data.assign(N, 0);
      max_2beki = 1;
      while(max_2beki * 2 <= N) max_2beki *= 2;
  }
 
  // [0,k](閉区間)の総和 閉区間に注意！
  T sum(int k) {
    if(k < 0) return 0; // k<0のとき0を返す
    T ret = 0;
    for(++k; k > 0; k -= k & -k) ret += data[k];
    return (ret);
  }
 
  // [l,r](閉区間)の総和
  inline T sum(int l,int r){
    return sum(r) - sum(l-1);
  }
 
  // 一点取得 更新はできないことに注意
  inline T operator[](int k){
    return sum(k) - sum(k-1);
  }
 
  // data[k] += x;
  void add(int k, T x) {
    for(++k; k < N; k += k & -k) data[k] += x;
  }
 
  // imos法 [l,r]にxを加算
  void imos(int l,int r,T x){
    add(l , x); add(r + 1 , -x);
  }
 
  // lower_bound sum(i)がval以上となる最小のi
  int lower_bound(T w){
    if(w <= 0) return 0;
    int x = 0;
    for(int k = max_2beki; k > 0; k /= 2){
      if(x+k <= N - 1 && data[x + k] < w){
        w -= data[x + k];
        x += k;
      }
    }
    return x;
  }
 
  // upper_bound sum(i)がvalより大きくなる最小のi
  int upper_bound(T w){
    if(w < 0) return 0;
    int x = 0;
    for(int k = max_2beki; k > 0; k /= 2){
      if(x+k <= N - 1 && data[x + k] <= w){
        w -= data[x + k];
        x += k;
      }
    }
    return x;
  }
 
};

Compiler output:
a.cc:6:3: error: 'vector' does not name a type
    6 |   vector< T > data;
      |   ^~~~~~
a.cc: In constructor 'BIT<T>::BIT(int)':
a.cc:10:7: error: 'data' was not declared in this scope
   10 |       data.assign(N, 0);
      |       ^~~~
a.cc: In member function 'T BIT<T>::sum(int)':
a.cc:19:41: error: 'data' was not declared in this scope
   19 |     for(++k; k > 0; k -= k & -k) ret += data[k];
      |                                         ^~~~
a.cc: In member function 'void BIT<T>::add(int, T)':
a.cc:35:34: error: 'data' was not declared in this scope
   35 |     for(++k; k < N; k += k & -k) data[k] += x;
      |                                  ^~~~
a.cc: In member function 'int BIT<T>::lower_bound(T)':
a.cc:48:26: error: 'data' was not declared in this scope
   48 |       if(x+k <= N - 1 && data[x + k] < w){
      |                          ^~~~
a.cc: In member function 'int BIT<T>::upper_bound(T)':
a.cc:61:26: error: 'data' was not declared in this scope
   61 |       if(x+k <= N - 1 && data[x + k] <= w){
      |                          ^~~~
Language: C++

// a^n mod を計算する

long long modpow(long long a, long long n, long long mod) {
    long long res = 1;
    while (n > 0) {
        if (n & 1) res = res * a % mod;
        a = a * a % mod;
        n >>= 1;
    }
    return res;
}

// a^{-1} mod を計算する

long long modinv(long long a, long long mod) {
    return modpow(a, mod - 2, mod);
}
/////////////////////////////////////////
//拡張ユークリッドの互除法
//mがmod 
long long modinv(long long a, long long m) {
    long long b = m, u = 1, v = 0;
    while (b) {
        long long t = a / b;
        a -= t * b; swap(a, b);
        u -= t * v; swap(u, v);
    }
    u %= m; 
    if (u < 0) u += m;
    return u;
}
////////////////////////////////////////
//二項係数 nCr
const int MAX = 700000;

long long fac[MAX], finv[MAX], inv[MAX];

// テーブルを作る前処理
void COMinit() {
    fac[0] = fac[1] = 1;
    finv[0] = finv[1] = 1;
    inv[1] = 1;
    for (int i = 2; i < MAX; i++){
        fac[i] = fac[i - 1] * i % MOD;
        inv[i] = MOD - inv[MOD%i] * (MOD / i) % MOD;
        finv[i] = finv[i - 1] * inv[i] % MOD;
    }
}

// 二項係数計算
long long COM(int n, int k){
    if (n < k) return 0;
    if (n < 0 || k < 0) return 0;
    return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;
}
loug long 
//////////////////////////////////////

Compiler output:
a.cc:21:11: error: redefinition of 'long long int modinv(long long int, long long int)'
   21 | long long modinv(long long a, long long m) {
      |           ^~~~~~
a.cc:15:11: note: 'long long int modinv(long long int, long long int)' previously defined here
   15 | long long modinv(long long a, long long mod) {
      |           ^~~~~~
a.cc: In function 'long long int modinv(long long int, long long int)':
a.cc:25:21: error: 'swap' was not declared in this scope
   25 |         a -= t * b; swap(a, b);
      |                     ^~~~
a.cc: In function 'void COMinit()':
a.cc:44:35: error: 'MOD' was not declared in this scope
   44 |         fac[i] = fac[i - 1] * i % MOD;
      |                                   ^~~
a.cc: In function 'long long int COM(int, int)':
a.cc:54:46: error: 'MOD' was not declared in this scope
   54 |     return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;
      |                                              ^~~
a.cc: At global scope:
a.cc:56:1: error: 'loug' does not name a type; did you mean 'long'?
   56 | loug long
      | ^~~~
      | long
Language: C++

// gcd lcm
ll gcd(ll a, ll b) { return b?gcd(b,a%b):a;}
ll lcm(ll a, ll b) { return a/gcd(a,b)*b;}


// gcd lcm
ll gcd(ll a, ll b) {
	if (a < b)swap(a, b);
	if (b == 0) return a;
	return gcd(b, a % b);
}

ll lcm(ll a, ll b) {
	ll g = gcd(a, b);
	return a / g * b;
}


Compiler output:
a.cc:2:1: error: 'll' does not name a type
    2 | ll gcd(ll a, ll b) { return b?gcd(b,a%b):a;}
      | ^~
a.cc:3:1: error: 'll' does not name a type
    3 | ll lcm(ll a, ll b) { return a/gcd(a,b)*b;}
      | ^~
a.cc:7:1: error: 'll' does not name a type
    7 | ll gcd(ll a, ll b) {
      | ^~
a.cc:13:1: error: 'll' does not name a type
   13 | ll lcm(ll a, ll b) {
      | ^~
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main()
{
  string s;
  cin>>s;
  
    if((s[3]==s[4]) && (s[5]==s[6]))
  {
    cout<<"Yes"<<endl;
    else
      cout<<"No"<<endl;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:5: error: expected '}' before 'else'
   12 |     else
      |     ^~~~
a.cc:10:3: note: to match this '{'
   10 |   {
      |   ^
a.cc: At global scope:
a.cc:15:3: error: expected unqualified-id before 'return'
   15 |   return 0;
      |   ^~~~~~
a.cc:16:1: error: expected declaration before '}' token
   16 | }
      | ^
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main()
{
  string s;
  cin>>s;
  for(int i=s;i<7;i++)
    if((s[3]==s[4]) && (s[5]==s[6]))
  {
    cout<<"Yes"<<endl;
    }
    else{
      cout<<"No"<<endl;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:13: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'int' in initialization
    8 |   for(int i=s;i<7;i++)
      |             ^
      |             |
      |             std::string {aka std::__cxx11::basic_string<char>}
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main()
{
  string s;
  for(int i=s;i<7;i++)
  {
  cin>>s;
  }
    if((s[3]==s[4]) && (s[5]==s[6]))
  {
    cout<<"Yes"<<endl;
    else
      cout<<"No"<<endl;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'int' in initialization
    7 |   for(int i=s;i<7;i++)
      |             ^
      |             |
      |             std::string {aka std::__cxx11::basic_string<char>}
a.cc:14:5: error: expected '}' before 'else'
   14 |     else
      |     ^~~~
a.cc:12:3: note: to match this '{'
   12 |   {
      |   ^
a.cc: At global scope:
a.cc:17:3: error: expected unqualified-id before 'return'
   17 |   return 0;
      |   ^~~~~~
a.cc:18:1: error: expected declaration before '}' token
   18 | }
      | ^
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main()
{
  string s[6];
  cin>>s[6];
  if((s[2]==s[3]) && (s[4]==s[5]))
  {
    cout<<"Yes"<<endl;
    else
      cout<<"No"<<endl;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:5: error: expected '}' before 'else'
   11 |     else
      |     ^~~~
a.cc:9:3: note: to match this '{'
    9 |   {
      |   ^
a.cc: At global scope:
a.cc:14:3: error: expected unqualified-id before 'return'
   14 |   return 0;
      |   ^~~~~~
a.cc:15:1: error: expected declaration before '}' token
   15 | }
      | ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
  string s[6];
  cin>>s[6];
  if((s[2]==s[3]) && (s[4]==s[5]))
  {
    cout<<"Yes"<<endl;
    else
      cout<<"No"<<endl;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: expected '}' before 'else'
   10 |     else
      |     ^~~~
a.cc:8:3: note: to match this '{'
    8 |   {
      |   ^
a.cc: At global scope:
a.cc:13:3: error: expected unqualified-id before 'return'
   13 |   return 0;
      |   ^~~~~~
a.cc:14:1: error: expected declaration before '}' token
   14 | }
      | ^
Language: C++

int main()
{
    char S[6];
    scanf("%s", &S);
    if (S[2] == S[3])
    {
        if (S[4] == S[5])
        {
            printf("Yes");
        }
    } else {
        printf("No");
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:5: error: 'scanf' was not declared in this scope
    4 |     scanf("%s", &S);
      |     ^~~~~
a.cc:9:13: error: 'printf' was not declared in this scope
    9 |             printf("Yes");
      |             ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | int main()
a.cc:12:9: error: 'printf' was not declared in this scope
   12 |         printf("No");
      |         ^~~~~~
a.cc:12:9: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define repl(i,l,r) for(int i=l;i<r;i++)
using ll = long long;
const int inf=2e9+10;
const ll MOD=1e9+7;
const ll INF=9e18+10;
const int dx[]={1,0,-1,0};
const int dy[]={0,1,0,-1};

int main(){
        string s;
        cin>>s;
        if(s[2]==s[3]&&s[4]==s[5])printf("Yes\n");
        else printf("No\n");
        return 0;
}
                                                                                                        16,6-13      全て


Compiler output:
a.cc:19:105: error: expected unqualified-id before numeric constant
   19 |                                                                                                         16,6-13      全て
      |                                                                                                         ^~
Language: C++

#include<stdio.h>


 int main(){
 	char S[15];
 	scanf("%s",&S);
 	if(S[2]==S[3] && S[4]==S[5]){
 		puts("Yes");
	 }
	 else{
	 	puts("No");i
	 }
	 return 0;
	}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:28: error: 'i' was not declared in this scope
   11 |                 puts("No");i
      |                            ^
Language: C++

#include <stdio.h>
#include <string.h>
int main () {
	char S[10];
	scanf("%s",S);
	((S[2]==S[3]) && (S[4]==S[5])) ? (printf("Yes\n")) : (printf("No\n")) 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:78: error: expected ';' before '}' token
    6 |         ((S[2]==S[3]) && (S[4]==S[5])) ? (printf("Yes\n")) : (printf("No\n"))
      |                                                                              ^
      |                                                                              ;
    7 | }
      | ~
Language: C++

#include <stdio.h>
#include <string.h>
int main () {
	char S[10];
	scanf("%s",S);
//	((strcmp(S[2],S[3]) == 0) && (strcmp(S[4],S[5]) == 0)) ? (printf("Yes\n")) : (printf("No\n")) ;
	((S[2]==S[3]) && (S[4]==S[5])) ? (printf("Yes\n")) : (printf("No\n")) ;s
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:80: error: 's' was not declared in this scope
    7 |         ((S[2]==S[3]) && (S[4]==S[5])) ? (printf("Yes\n")) : (printf("No\n")) ;s
      |                                                                                ^
Language: C++

#include<stdio.h>
int main()
{
	char S[10];
	scanf(%s,S);
	if(S[3]==S[4] || S[5]==S[6]){
		printf("Yes");
	}
	else{
		printf("No");
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:15: error: expected primary-expression before '%' token
    5 |         scanf(%s,S);
      |               ^
a.cc:5:16: error: 's' was not declared in this scope
    5 |         scanf(%s,S);
      |                ^
Language: C++

#include <stdio.h>

int main()
{
	char a[11];
	scanf("%s", &a);
	
	if(a[3]=a[4] && a[5]=a[6]) 
	{
		printf("Yes\n");
	}
	else
	{
		printf("No\n");
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:22: error: lvalue required as left operand of assignment
    8 |         if(a[3]=a[4] && a[5]=a[6])
      |                 ~~~~~^~~~~~~
Language: C++

#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#pragma GCC optimize("Ofast")
//*********************************************DO IT NOW****************************************************************
#include<bits/stdc++.h> 
#include<random>
#define int long long   
#define pp pair<int,int> 
#define ss second 
#define ff first 
#define pb push_back
#define mod 1000000009
#define pi 3.14159265359
#define mk(arr,n,type)  type *arr=new type[n];
#define sl s1.length();
#define yes cout<< "YES"<<endl
#define no  cout<< "NO"<<endl
#define all(v) (v).begin(),(v).end()
#define s(v)   sort(v,v+n)
#define  mt mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define read(a,n) for(int i=0;i<n;i++)cin>>a[i]
#define print(a,n) for(int i=0;i<n;i++)cout<<a[i]<<" "
#define for1(i,a,n)  for(int i=0;i<n;i++)
#define rep(i, c) for(int i = 0; i < (int)c; i++)
using namespace std;
//**********************************************DO IT NOW***************************************************************
void fastio()
{  
  #ifndef ONLINE_JUDGE
  freopen("INPUT.txt","r",stdin);
  freopen("OUTPUT.txt","w",stdout); 
  #endif
  ios_base :: sync_with_stdio(false); 
  cin.tie(NULL) ; 
  cout.tie(NULL);
}
int dp[101][1001],ans1=1e9,dp1[1000001];
int num[10];
} 
signed main()
{   
    fastio();
    int t=1;
   // cin>>t;
    while(t--)
    { 
       string s;
       cin>>s;
       if(s[2]==s[3] && s[4]==s[5] && s[0]!=s[1])
       cout<<"Yes";
       else
       cout<<"No";
       
    }
}

    
// 🍪 🍪 🍪


Compiler output:
a.cc:39:1: error: expected declaration before '}' token
   39 | }
      | ^
Language: C++

#include <iostream>

int main(){
  char s[6];
  cin>>s;
  if(s[2]==s[3]&&s[4]==s[5]){
     cout<<"Yes"<<endl;
  }else{
    cout<<"No"<<endl;
  }
}

  


Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    5 |   cin>>s;
      |   ^~~
      |   std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:6: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    7 |      cout<<"Yes"<<endl;
      |      ^~~~
      |      std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:7:19: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    7 |      cout<<"Yes"<<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)
      |     ^~~~
a.cc:9:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |     cout<<"No"<<endl;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:9:17: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    9 |     cout<<"No"<<endl;
      |                 ^~~~
      |                 std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: Java

import java.util.Scanner;

	public class Coffeee {

		public static void main(String[] args) {
			Scanner sc=new Scanner(System.in);
			String str=sc.next();
			
			if(str.charAt(2)==str.charAt(3)&&str.charAt(4)==str.charAt(5)) {
				System.out.println("Yes");
			}else {
				System.out.println("No");	
				}
		}

	}


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

#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;

#define INF 1e9
#define st string
#define pb push_back
#define eb emplace_back
#define pii pair<int, int>
#define fopen freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout);
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
#define test(x) int t; cin >> t; while(t--) x();

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

int ar[200005];

void solve(){
    int k, n, x; cin >> k >> n;
    for(int i = 0; i < n; i++) {
        cin >> ar[i];
    }
    int ans = k - ar[n - 1] + n[0];
  	for(int i = 1; i < n; i++){
     	ans = max(ar[i] - ar[i - 1], ans); 
    }
    cout << k - ans;
}

int main(){
    fastio
    solve();
    return 0;
}



Compiler output:
a.cc: In function 'void solve()':
a.cc:27:32: error: invalid types 'int[int]' for array subscript
   27 |     int ans = k - ar[n - 1] + n[0];
      |                                ^
Language: C++

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

#define st string
#define ios_base::sync_with_stdio(false); cin.tie(NULL);

void solve(){
    st s; cin >> s;
    if(s[2] == s[3] && s[4] == s[5]) cout << "Yes";
    else cout << "No";
}

int main(){
    fastio
    solve();
    return 0;
}

Compiler output:
a.cc:5:9: warning: ISO C++11 requires whitespace after the macro name
    5 | #define ios_base::sync_with_stdio(false); cin.tie(NULL);
      |         ^~~~~~~~
a.cc: In function 'int main()':
a.cc:14:5: error: 'fastio' was not declared in this scope
   14 |     fastio
      |     ^~~~~~
Language: C++

#include<bits/stdc++.h>
#define Vsort(a) sort(a.begin(), a.end())
#define rep(i,n) for(int i = 0; i < (n); i++)
#define Srep(i,a,n) for(int i = (a); i < (n); i++)
#define ll long long
#define P pair<int, int>
using namespace std;

int main(){
  string s;
  cin >> s;
  if((s.at(2) == s.at(3)) && (s.at(4) == s.at(5))) cout << "Yes" << endl;
  else cout << "No" << ednl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:24: error: 'ednl' was not declared in this scope
   13 |   else cout << "No" << ednl;
      |                        ^~~~
Language: C++

#include<bits/stdc++.h>
#define Vsort(a) sort(a.begin(), a.end())
#define rep(i,n) for(int i = 0; i < (n); i++)
#define Srep(i,a,n) for(int i = (a); i < (n); i++)
#define ll long long
#define P pair<int, int>
using namespace std;

int main(){
  string s;
  cin >> s;
  if((s.at(2) == s.at(3)) && (s.at(4) == s.at(5))) cout << "Yes" << endl;
  else cout << "No" << ednl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:24: error: 'ednl' was not declared in this scope
   13 |   else cout << "No" << ednl;
      |                        ^~~~
Language: C++

#include<iostream>
using namespace std;
 
int main(){
string s;
cin>>s;
  
  if(s[2] == s[3] && s[4] == s[5]){
    cout<<"Yes";
  }
  else{
  cout<<"No";
  }

Compiler output:
a.cc: In function 'int main()':
a.cc:13:4: error: expected '}' at end of input
   13 |   }
      |    ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

#include<iostream>
using namespace std;

int main(){
string s;
  
  if(s[2] == s[3] && s[4] == s[5]){
    cout<<"Yes";
  }
  else{
  cout<<"No";
  }
    


Compiler output:
a.cc: In function 'int main()':
a.cc:12:4: error: expected '}' at end of input
   12 |   }
      |    ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: Java

public class Main {
  public static void main(String[] args) {
    String S = new java.util.Scanner(System.in).nextLine();
    if (S.CharAt(2) == S.CharAt(3) && S.CharAt(4) == S.CharAt(5)) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  }
}


Compiler output:
Main.java:4: error: cannot find symbol
    if (S.CharAt(2) == S.CharAt(3) && S.CharAt(4) == S.CharAt(5)) {
         ^
  symbol:   method CharAt(int)
  location: variable S of type String
Main.java:4: error: cannot find symbol
    if (S.CharAt(2) == S.CharAt(3) && S.CharAt(4) == S.CharAt(5)) {
                        ^
  symbol:   method CharAt(int)
  location: variable S of type String
Main.java:4: error: cannot find symbol
    if (S.CharAt(2) == S.CharAt(3) && S.CharAt(4) == S.CharAt(5)) {
                                       ^
  symbol:   method CharAt(int)
  location: variable S of type String
Main.java:4: error: cannot find symbol
    if (S.CharAt(2) == S.CharAt(3) && S.CharAt(4) == S.CharAt(5)) {
                                                      ^
  symbol:   method CharAt(int)
  location: variable S of type String
4 errors
Language: Java

public class Main {
  public static void main(String[] args) {
    String S = new java.util.Scanner(System.in).nextLine();
    if (String.SChar(2) == String.SChar(3) && String.SChar(4) == String.SChar(5)) {
      System.out.println("Yes");
    } else {
      System.out.println("No");
    }
  }
}

Compiler output:
Main.java:4: error: cannot find symbol
    if (String.SChar(2) == String.SChar(3) && String.SChar(4) == String.SChar(5)) {
              ^
  symbol:   method SChar(int)
  location: class String
Main.java:4: error: cannot find symbol
    if (String.SChar(2) == String.SChar(3) && String.SChar(4) == String.SChar(5)) {
                                 ^
  symbol:   method SChar(int)
  location: class String
Main.java:4: error: cannot find symbol
    if (String.SChar(2) == String.SChar(3) && String.SChar(4) == String.SChar(5)) {
                                                    ^
  symbol:   method SChar(int)
  location: class String
Main.java:4: error: cannot find symbol
    if (String.SChar(2) == String.SChar(3) && String.SChar(4) == String.SChar(5)) {
                                                                       ^
  symbol:   method SChar(int)
  location: class String
4 errors
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
 
int main() {
 string S;
 cin >> S;
 if((S.at(2) == S.at(3)) && ( S.at(4) == S.at(5))) {
 	cout << "Yes" << endl;
 }else{
 	cout << "No" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:5:12: note: to match this '{'
    5 | int main() {
      |            ^
Language: C

#include<stdio.h>
int main(void){
  char a[10];
  scanf("%s"a);
  puts(a[2]==a[3]&&a[4]==a[5]?"Yes":"No");
  return 0; 
}

Compiler output:
main.c: In function 'main':
main.c:4:13: error: expected ')' before 'a'
    4 |   scanf("%s"a);
      |        ~    ^
      |             )
Language: C++

using namespace std;
int main(void){
    bool ans;
    char N, W;
    cin >> N;
    cin >> W; 
    cin >> N >> W;
    ans = 0;
    if(N==W){
    }else{
        ans = 1;
    }
    cin >> N >> W;
    if(N==W){
    }else{
        ans = 1;
    }
    if(ans==1){
        cout << "No";
    }else{
        cout << "Yes";
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'cin' was not declared in this scope
    5 |     cin >> N;
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:19:9: error: 'cout' was not declared in this scope
   19 |         cout << "No";
      |         ^~~~
a.cc:19:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:21:9: error: 'cout' was not declared in this scope
   21 |         cout << "Yes";
      |         ^~~~
a.cc:21:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include <iostream>
using namespace std;
int main(void){
    string S;
    cin >> S;
    
    if (S.at(2) == S.at(3) && S.at(4) == S.at(5)) {
        cout << "Yes" << endl;
    }
    else {
        cout << "No" << endl;
    }

Compiler output:
a.cc: In function 'int main()':
a.cc:12:6: error: expected '}' at end of input
   12 |     }
      |      ^
a.cc:3:15: note: to match this '{'
    3 | int main(void){
      |               ^
Language: C++

using namespace std;
int main(void){
    bool ans;
    char N, W;
    cin >> N;
    cin >> W; 
    cin >> N >> W;
    ans = 0;
    if(N==W){
    }else{
        ans = 1;
    }
    cin >> N >> W;
    if(N==W){
    }else{
        ans = 1;
    }
    if(ans==1){
        cout << "No";
    }else{
        cout << "Yes";
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'cin' was not declared in this scope
    5 |     cin >> N;
      |     ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | using namespace std;
a.cc:19:9: error: 'cout' was not declared in this scope
   19 |         cout << "No";
      |         ^~~~
a.cc:19:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:21:9: error: 'cout' was not declared in this scope
   21 |         cout << "Yes";
      |         ^~~~
a.cc:21:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
using P = pair<int,int>;

ll x = 1e9 + 7; 

int main() {
  string s;
  cin >> s;
  if (s[2] == s[3] && s[4] == s[5]) {
    cout << "Yes" << endl;
    return 0;
  }
  cout << "No" << endl;
  return 0;
}

Compiler output:
a.cc:4:11: error: 'pair' does not name a type
    4 | using P = pair<int,int>;
      |           ^~~~
a.cc: In function 'int main()':
a.cc:9:3: error: 'string' was not declared in this scope
    9 |   string s;
      |   ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | #define rep(i,n) for (int i = 0; i < (n); ++i)
a.cc:10:3: error: 'cin' was not declared in this scope
   10 |   cin >> s;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #define rep(i,n) for (int i = 0; i < (n); ++i)
a.cc:10:10: error: 's' was not declared in this scope
   10 |   cin >> s;
      |          ^
a.cc:12:5: error: 'cout' was not declared in this scope
   12 |     cout << "Yes" << endl;
      |     ^~~~
a.cc:12:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:12:22: error: 'endl' was not declared in this scope
   12 |     cout << "Yes" << endl;
      |                      ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #define rep(i,n) for (int i = 0; i < (n); ++i)
a.cc:15:3: error: 'cout' was not declared in this scope
   15 |   cout << "No" << endl;
      |   ^~~~
a.cc:15:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:15:19: error: 'endl' was not declared in this scope
   15 |   cout << "No" << endl;
      |                   ^~~~
a.cc:15:19: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C

/*
	Created by : imay_10
	" It won't be EASY, but I'll make it "
*/

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

typedef long long int ll;
const int mod = 1e9+7;
const ll inf = 1e18;
const double pi = 3.1415926535897932384626;

// Utility for fast exponentiation
ll mpow(ll a,ll b,ll m){
    ll res=1;
    //a%=m;
    while(b){
    	if(b%2) res=res*a%m;
		a=a*a%m;
		b/=2;
	}
	return res;
}

// Utility for GCD Calculation
ll gcd(ll a,ll b){
	if(b==0) return a;
	return gcd(b,a%b);
}

void solve(){
	//code
	string s;
	cin>>s;
	if(s[2]==s[3] and s[4]==s[5] and s[2]!=s[4])
		cout<<"Yes";
	else 
		cout<<"No"; 
}

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


Compiler output:
main.c:6:9: fatal error: bits/stdc++.h: No such file or directory
    6 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C

#include<iostream>
using namespace std;
main()
{
	string str1;
	cin>>str1;
	int len=str1.length();
	if(len==6)
	{ 
		char c3= str1.at(2);
		char c4= str1.at(3);
		char c5= str1.at(4);
		char c6= str1.at(5);
		if(c3==c4 && c5==c6)
		{
		     cout<<"Yes"<<"\n";
		 }
		else
		{
			cout<<"No"<<"\n";
		}
	} 
}


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

#include <bits/stdc++.h>
using namespace std;
int main(){
  string n;
  cin>>n;
  if(n.at(2)==n.at(3)&&n.at(4)==n.at(5){
    cout<<"Yes"<<endl;}
     else{cout<<"No"<<endl;}
     }

Compiler output:
a.cc: In function 'int main()':
a.cc:6:40: error: expected ')' before '{' token
    6 |   if(n.at(2)==n.at(3)&&n.at(4)==n.at(5){
      |     ~                                  ^
      |                                        )
a.cc:9:6: error: expected primary-expression before '}' token
    9 |      }
      |      ^