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

#include<bits/stdc++.h>
using namespace std;
int main()
{
    string a, b;
    int size, count;
    cin >> a >> b;
    size = a.length();
    count = 0;
    for (int i = 0; i < size; i++)
    {
        char c, d;
        c = a[i];
        d = b[i];
         if (c==d)
        {
            //cout << c << d << "/n" << endl;
            count++;
        }
    }
    if(count == size)
    cout << "YES" << endl;
    else
    {
        cout << "No" << endl;
    }

}

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

#include<bits/stdc++.h>
#include<string>
using namespace std;
int main()
{
  string a,b;
  cin>>a;
  cin>>b;
  auto x;
  x=strstr(b,a);
  if(x==NULL)
    cou<<"No\n";
  else
    cout<<"Yes\n";
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: declaration of 'auto x' has no initializer
    9 |   auto x;
      |   ^~~~
a.cc:10:11: error: no matching function for call to 'strstr(std::string&, std::string&)'
   10 |   x=strstr(b,a);
      |     ~~~~~~^~~~~
In file included from /usr/include/c++/14/cstring:43,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:121,
                 from a.cc:1:
/usr/include/string.h:330:14: note: candidate: 'char* strstr(char*, const char*)'
  330 | extern char *strstr (char *__haystack, const char *__needle)
      |              ^~~~~~
/usr/include/string.h:330:28: note:   no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'char*'
  330 | extern char *strstr (char *__haystack, const char *__needle)
      |                      ~~~~~~^~~~~~~~~~
/usr/include/string.h:332:20: note: candidate: 'const char* strstr(const char*, const char*)'
  332 | extern const char *strstr (const char *__haystack, const char *__needle)
      |                    ^~~~~~
/usr/include/string.h:332:40: note:   no known conversion for argument 1 from 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'const char*'
  332 | extern const char *strstr (const char *__haystack, const char *__needle)
      |                            ~~~~~~~~~~~~^~~~~~~~~~
a.cc:12:5: error: 'cou' was not declared in this scope; did you mean 'cos'?
   12 |     cou<<"No\n";
      |     ^~~
      |     cos
Language: C

#include<stdio.h>

int main(void)
{
if(T == snuke)printf("no");
if(T == snukee)printf("yes");

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:4: error: 'T' undeclared (first use in this function)
    5 | if(T == snuke)printf("no");
      |    ^
main.c:5:4: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:9: error: 'snuke' undeclared (first use in this function)
    5 | if(T == snuke)printf("no");
      |         ^~~~~
main.c:6:9: error: 'snukee' undeclared (first use in this function)
    6 | if(T == snukee)printf("yes");
      |         ^~~~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
  string S, T;
  cin >> S >> T;
  
  T.at(S.size() + 1) = " ";
  
  if ( S == T ) {
    cout << "Yes" << endl;
  }
  else {
    cout << "No" << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:24: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} [-fpermissive]
    8 |   T.at(S.size() + 1) = " ";
      |                        ^~~
      |                        |
      |                        const char*
Language: C++

#include<cstdio>
#include<string>

int main(){
    char s[11], t[11];
    scanf("%s %s", s, t);
    int num = strlen(s);
    int ans =  1;
    for(int i=0;i<num;i++){
        if(s[i] != t[i]){
            ans--;
            break;
        }
    }
    if (ans == 1) printf("Yes");
    else printf("No");
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:15: error: 'strlen' was not declared in this scope
    7 |     int num = strlen(s);
      |               ^~~~~~
a.cc:3:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include<string>
  +++ |+#include <cstring>
    3 |
Language: C


#include<bits/stdc++.h>
using namespace std;
int main()
{
    string a, b;
    int size, count;
    cin >> a >> b;
    size = a.length();
    count = 0;
    for (int i = 0; i < size; i++)
    {
        char c, d;
        c = a[i];
        d = b[i];
         if (c==d)
        {
            //cout << c << d << "/n" << endl;
            count++;
        }
    }
    if(count == size)
    cout << "YES" << endl;
    else
    {
        cout << "No" << endl;
    }

}

Compiler output:
main.c:2:9: fatal error: bits/stdc++.h: No such file or directory
    2 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C

#include <bits/stdc++.h>
#include <string>
using namespace std;
 
int main() {
  string S,T;
 
  cin >> S,T;
T.pop_back();
if (S == T){cout << "No" << endl;}
else cout << "Yes" << endl;
}

Compiler output:
main.c:1:10: fatal error: bits/stdc++.h: No such file or directory
    1 | #include <bits/stdc++.h>
      |          ^~~~~~~~~~~~~~~
compilation terminated.
Language: C++

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

int main() {
  string a, b;
  cin >> a >> b;
  int i ;
  if (a.size() == b.size() - 1 , a.size(i) == b.size(i)) {
  cout << "Yes" << endl;
  }
  else {
    cout << "No" << endl;
  }
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:8:40: error: no matching function for call to 'std::__cxx11::basic_string<char>::size(int&)'
    8 |   if (a.size() == b.size() - 1 , a.size(i) == b.size(i)) {
      |                                  ~~~~~~^~~
In file included from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52,
                 from a.cc:1:
/usr/include/c++/14/bits/basic_string.h:1076:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]'
 1076 |       size() const _GLIBCXX_NOEXCEPT
      |       ^~~~
/usr/include/c++/14/bits/basic_string.h:1076:7: note:   candidate expects 0 arguments, 1 provided
a.cc:8:53: error: no matching function for call to 'std::__cxx11::basic_string<char>::size(int&)'
    8 |   if (a.size() == b.size() - 1 , a.size(i) == b.size(i)) {
      |                                               ~~~~~~^~~
/usr/include/c++/14/bits/basic_string.h:1076:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]'
 1076 |       size() const _GLIBCXX_NOEXCEPT
      |       ^~~~
/usr/include/c++/14/bits/basic_string.h:1076:7: note:   candidate expects 0 arguments, 1 provided
Language: C

#include<stdio.h>

int main(void)
{
if(T == snuke)printf("no")
if(T == snukee)printf("yes")

return 0;
}

Compiler output:
main.c: In function 'main':
main.c:5:4: error: 'T' undeclared (first use in this function)
    5 | if(T == snuke)printf("no")
      |    ^
main.c:5:4: note: each undeclared identifier is reported only once for each function it appears in
main.c:5:9: error: 'snuke' undeclared (first use in this function)
    5 | if(T == snuke)printf("no")
      |         ^~~~~
main.c:5:27: error: expected ';' before 'if'
    5 | if(T == snuke)printf("no")
      |                           ^
      |                           ;
    6 | if(T == snukee)printf("yes")
      | ~~
Language: C

#include<iostream>
#include<bits/stdc++.h>
using namespace std;
int main()
{
    string a, b;
    int size, count;
    cin >> a >> b;
    size = a.length();
    count = 0;
    for (int i = 0; i < size; i++)
    {
        char c, d;
        c = a[i];
        d = b[i];
         if (c==d)
        {
            //cout << c << d << "/n" << endl;
            count++;
        }
    }
    if(count == size)
    cout << "YES" << endl;
    else
    {
        cout << "No" << endl;
    }

}

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

#include <stdio.h>
#include <string.h>
int main(){
int i;
char a[100];
char b[100];
fgets(a,sizeof(str),stdin);
fgets(b,sizeof(str),stdin);
for(i=0;i<strlen(a);I++){
a[i]=b[i];
}
if(i==strlen(a)){
printf("Yes");
}
else{
printf("No");
}
}

Compiler output:
main.c: In function 'main':
main.c:7:16: error: 'str' undeclared (first use in this function)
    7 | fgets(a,sizeof(str),stdin);
      |                ^~~
main.c:7:16: note: each undeclared identifier is reported only once for each function it appears in
main.c:9:21: error: 'I' undeclared (first use in this function)
    9 | for(i=0;i<strlen(a);I++){
      |                     ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s,t;
	getline(cin,s);
	getline(cin,t);
	int flag=1;
	for(int i=0;i<s.size();i++)
	{
		if(s[i]!=t[i])
		{
			flag=0;
			break;
		}
	}
	if(s.size()+1!=t.size())flag=0;
	if(flag)cout<<"Yes";
	else cout<<"No";
 

Compiler output:
a.cc: In function 'int main()':
a.cc:19:25: error: expected '}' at end of input
   19 |         else cout<<"No";
      |                         ^
a.cc:4:1: note: to match this '{'
    4 | {
      | ^
Language: C++

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

int main() {
  string a, b;
  cin >> a >> b;
  if (a.size() == b.size() - 1 , a.size(i) == b.size(i)) {
  cout << "Yes" << endl;
  }
  else {
    cout << "No" << endl;
  }
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:7:41: error: 'i' was not declared in this scope
    7 |   if (a.size() == b.size() - 1 , a.size(i) == b.size(i)) {
      |                                         ^
Language: C++

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

int main() {
  string S, T;
  cin >> S >> T;
  for (int i = 0, i < S.size(), i++) {
    if (S[i] != T[i]) {
      cout << "No" << endl;
    }
  }
  cout << "Yes" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:20: error: expected ';' before '<' token
    8 |   for (int i = 0, i < S.size(), i++) {
      |                    ^~
      |                    ;
a.cc:8:21: error: expected primary-expression before '<' token
    8 |   for (int i = 0, i < S.size(), i++) {
      |                     ^
a.cc:8:36: error: expected ';' before ')' token
    8 |   for (int i = 0, i < S.size(), i++) {
      |                                    ^
      |                                    ;
Language: C++

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

int main(){
  string S,T;
  cin >> S >> T;
  
  if (S+ T.at(S.size())==T){
    cout << "Yes" << endl;
  }
  else{
    cout << "No" << endl;

Compiler output:
a.cc: In function 'int main()':
a.cc:12:26: error: expected '}' at end of input
   12 |     cout << "No" << endl;
      |                          ^
a.cc:11:7: note: to match this '{'
   11 |   else{
      |       ^
a.cc:12:26: error: expected '}' at end of input
   12 |     cout << "No" << endl;
      |                          ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

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

int main() {
  int s;
  cin >> s;
  
  if (s = if (s = chokudai, t = chokudaiz) {
    cout << "Yes" << endl;
  } 
  else if (s = snuke, t=snukee) {
    cout << "NO" << endl;
  }
      
  else ( s=a, t=aa ) {
    cout << "Yes" << endl;
  }
  
      
      

Compiler output:
a.cc: In function 'int main()':
a.cc:8:11: error: expected primary-expression before 'if'
    8 |   if (s = if (s = chokudai, t = chokudaiz) {
      |           ^~
a.cc:8:10: error: expected ')' before 'if'
    8 |   if (s = if (s = chokudai, t = chokudaiz) {
      |      ~   ^~~
      |          )
a.cc:17:4: error: expected statement at end of input
   17 |   }
      |    ^
a.cc:17:4: error: expected '}' at end of input
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

int main(){
    string A,B,C,D;
    cin>>A>>B>>C>>D;
    int acount,bcount,ccount,dcount;
    int MAX;
    if(A==B)
    acount++;
    if(A==C)
    acount++;
    if(A==D)
    acount++;
    if(B==A)
    bcount++;
    if(B==C)
    bcount++;
    if(B==D)
    bcount++;
    if(C==B)
    ccount++;
    if(C==A)
    ccount++;
    if(C==D)
    ccount++;
    if(D==B)
    dcount++;
    if(D==A)
    dcount++;
    if(D==C)
    dcount++;
    MAX=max(acount,bcount,ccount,dcount);
    cout<<MAX<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:12: error: no matching function for call to 'max(int&, int&, int&, int&)'
   34 |     MAX=max(acount,bcount,ccount,dcount);
      |         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   candidate expects 2 arguments, 4 provided
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 4 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 4 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   candidate expects 2 arguments, 4 provided
Language: C++

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

  
int main() {
    string n;
    cin>>n;
    string t;
    cin>>t;
    int cnt=0;
    int N=n.length;
    for(int i=0;i<=N;i++){
        if(n.at(i)==t.at(i)){
            cnt++;
            
    }else{
    }
    }

    if(cnt==N){
        cout<<"Yes"<<endl;
    }else{
        cout<<"No"<<endl;
    }

}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:13: error: cannot convert 'std::__cxx11::basic_string<char>::length' from type 'std::__cxx11::basic_string<char>::size_type (std::__cxx11::basic_string<char>::)() const noexcept' {aka 'long unsigned int (std::__cxx11::basic_string<char>::)() const noexcept'} to type 'int'
   12 |     int N=n.length;
      |             ^~~~~~
Language: C++

#include <iostream>
using namespace std;

int main() {
  string S, T;
  cin >> S >> T;
  
  T.at(S.size() + 1) = '';
  
  if ( S == T ) {
    cout << "Yes" << endl;
  }
  else {
    cout << "No" << endl;
  }
}

Compiler output:
a.cc:8:24: error: empty character constant
    8 |   T.at(S.size() + 1) = '';
      |                        ^~
Language: C++

#include<iostream>
#include<string>
using namespace std;
unsigned main(){
string s;
string t;
cin>>s;
cin>>t;
int k=0;
if(t.length()==s.length()+1){
  for(unsigned i=0; i<s.length(); ++i){
    if(s.at(i)==t.at(i)){
        k++;
    }
  }
  if(k==s.length()){
    cout<<"YES"<<endl;
  }
  else{
    cout<<"NO"<<endl;
  }
}
else{
    cout<<"NO"<<endl;
}

}


Compiler output:
cc1plus: error: '::main' must return 'int'
Language: C++

//#define TIMER_
#include <bits/stdc++.h>
using namespace std;
#define rep(i,r) for(int i = 0; i < (r); i++)
#define pb push_back
#define ALL(a) a.begin(), a.end()
#define fastio ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
using ll = long long;
using ull = unsigned long long;

int main() {
  fastio;
  string S, T;
  cin >> S >> T;
  T.pop_back();
  if (T == S) {
    cout << "Yes" << endl;
    return 0;
  }
  else cout << "No"
  
  #ifdef TIMER_
    cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
  #endif
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:20: error: expected ';' before '}' token
   20 |   else cout << "No"
      |                    ^
      |                    ;
......
   25 | }
      | ~
Language: C++

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

int main() {
  int x;
  cin >> x;
  
  if (s = if (s = chokudai, t = chokudaiz) {
    cout << "Yes" << endl;
  } 
  else if (s = snuke, t=snukee) {
    cout << "NO" << endl;
  }
      
  else ( s=a, t=aa ) {
    cout << "Yes" << endl;
  }
  
      
      

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 's' was not declared in this scope
    8 |   if (s = if (s = chokudai, t = chokudaiz) {
      |       ^
a.cc:8:11: error: expected primary-expression before 'if'
    8 |   if (s = if (s = chokudai, t = chokudaiz) {
      |           ^~
a.cc:8:10: error: expected ')' before 'if'
    8 |   if (s = if (s = chokudai, t = chokudaiz) {
      |      ~   ^~~
      |          )
a.cc:17:4: error: expected statement at end of input
   17 |   }
      |    ^
a.cc:17:4: error: expected '}' at end of input
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

#include<iostream>
using namespace std;
void main()
{
	int A;
	int B;
	int C;
	int K;
	cin>>A>>B>>C>>K;
	int sum=A*1+(K-A)*0+(K-A-B)*(-1);
	cout<<sum;
	return 0;
}

Compiler output:
a.cc:3:1: error: '::main' must return 'int'
    3 | void main()
      | ^~~~
Language: C++

#include <bits/stdc++.h> 
using namespace std; 
  
const int MAX_CHAR = 26; 
  
// function to return true if strings have  
// common substring and no if strings have 
// no common substring 
bool twoStrings(string s1, string s2) { 
  
  // vector for storing character occurrences 
  vector<bool> v(MAX_CHAR, 0); 
  
  // increment vector index for every 
  // character of str1 
  for (int i = 0; i < s1.length(); i++) 
    v[s1[i] - 'a'] = true; 
  
  // checking common substring of str2 in str1 
  for (int i = 0; i < s2.length(); i++)  
    if (v[s2[i] - 'a'])  
       return true; 
   
  return false;         
} 
  
// driver program 
int main() { 
  string str1 ;cin>>str1
  string str2 ;cin>>str2; 
  if (twoStrings(str1, str2)) 
     cout << "Yes"; 
  else
     cout << "No"; 
  return 0; 
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:29:25: error: expected ';' before 'string'
   29 |   string str1 ;cin>>str1
      |                         ^
      |                         ;
   30 |   string str2 ;cin>>str2;
      |   ~~~~~~                 
a.cc:30:21: error: 'str2' was not declared in this scope; did you mean 'str1'?
   30 |   string str2 ;cin>>str2;
      |                     ^~~~
      |                     str1
Language: C

#include <stdio.h>
 
int main(void)
{
  int a, b, c, k;
  int i=0;
  scanf("%d %d %d %d", &a, &b, &c, &k);
  for ("; c=0 || k=0; c--"){
    i--;
    k--;
  	for ("; b=0 || k=0; b--"){
    	k--;
  		for ("; a=0 || k=0; a--"){
    		i++;
    		k--;
  		}
  	}
  }
  printf("%d", i);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:27: error: expected ';' before ')' token
    8 |   for ("; c=0 || k=0; c--"){
      |                           ^
      |                           ;
main.c:8:27: error: expected expression before ')' token
main.c:11:33: error: expected ';' before ')' token
   11 |         for ("; b=0 || k=0; b--"){
      |                                 ^
      |                                 ;
main.c:11:33: error: expected expression before ')' token
main.c:13:41: error: expected ';' before ')' token
   13 |                 for ("; a=0 || k=0; a--"){
      |                                         ^
      |                                         ;
main.c:13:41: error: expected expression before ')' token
Language: C++

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

int main() {
  int x;
  cin >> x;
  
  if (s = if (s = chokudai, t = chokudaiz) {
    cout << "Yes" << endl;
  } 
  if (s = snuke, t=snukee) {
    cout << "NO" << endl;
  }
      
  if ( s=a, t=aa ) {
    cout << "Yes" << endl;
  }
  }
      
      

Compiler output:
a.cc: In function 'int main()':
a.cc:8:7: error: 's' was not declared in this scope
    8 |   if (s = if (s = chokudai, t = chokudaiz) {
      |       ^
a.cc:8:11: error: expected primary-expression before 'if'
    8 |   if (s = if (s = chokudai, t = chokudaiz) {
      |           ^~
a.cc:8:10: error: expected ')' before 'if'
    8 |   if (s = if (s = chokudai, t = chokudaiz) {
      |      ~   ^~~
      |          )
a.cc:18:3: error: expected primary-expression before '}' token
   18 |   }
      |   ^
Language: C

#include<stdio.h>
#include<string.h>
int main()
{
    int flag=0,i,ls;
    char s[10];
    char t[11];
    (void)scanf("%s",s);
    (void)scanf("%s",t);
    ls=strlen(s);
   	lt=strlen(t);
    for(i=0;i<ls;i++)
    {
        if(s[i]==t[i])
        {

        }
        else{
            printf("No");
            flag=1;
            break;
        }
    }
    if(flag==0 && (lt-ls)==1)
    {
        printf("Yes");
    }
}


Compiler output:
main.c: In function 'main':
main.c:11:9: error: 'lt' undeclared (first use in this function); did you mean 't'?
   11 |         lt=strlen(t);
      |         ^~
      |         t
main.c:11:9: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

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

int main() {
  string a, b;
  cin >> a >> b;
  if (a.size() = b.size()-1) {
  cout << "Yes" << endl;
  }
  else {
    cout << "No" << endl;
  }
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: lvalue required as left operand of assignment
    7 |   if (a.size() = b.size()-1) {
      |       ~~~~~~^~
Language: C++

#include <bits/stdc++.h>
 using namespace std;
 int main() {
 vector<string> S(N);
 vector<string> T(M);
int A = 0;
for(int i =0; i < N; i++){
cin >> S.at(i);
}
 for(int i =0; i < M; i++){
cin >> T.at(i);
}
 for(int i =0; i < N; i++){
  if(S.at(i)==T.at(i)){
  A++;
 }
}
if(A==N){
 cout << "Yes" << endl;
}
else{
cout << "NO" << endl;
}
} 


Compiler output:
a.cc: In function 'int main()':
a.cc:4:19: error: 'N' was not declared in this scope
    4 |  vector<string> S(N);
      |                   ^
a.cc:5:19: error: 'M' was not declared in this scope
    5 |  vector<string> T(M);
      |                   ^
Language: C++

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


int main() {
  // ここにプログラムを追記
  string S ,T;
  cin>>S>>T;
 int N = T.size() - 1;
  string A=T.at(  N );
    string B =S + A;
    if(T ==B )
    {cout << "Yes"<<endl;
    }
  else{
    cout<< "No"<<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:16: error: conversion from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
   11 |   string A=T.at(  N );
      |            ~~~~^~~~~~
Language: C++

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


int main() {
  // ここにプログラムを追記
  string S ,T;
  cin>>S>>T;
 int N = T.size() - 1
  string A=T.at(  N );
    string B =S + A;
    if(T ==B )
    {cout << "Yes"<<endl;
    }
  else{
    cout<< "No"<<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:3: error: expected ',' or ';' before 'string'
   11 |   string A=T.at(  N );
      |   ^~~~~~
a.cc:12:19: error: 'A' was not declared in this scope
   12 |     string B =S + A;
      |                   ^
Language: C++

//
//  main.cpp
//  Problem Code
//
//  Created by Algo张伯威 on 2020/4/24.
//  Copyright © 2020 Algo张伯威. All rights reserved.
//

#include <cstdio>
#include <algorithm>
#include <cmath>
#include <cstring>
#include <map>
#include <cstdlib>
#include <vector>
#include <iostream>
#include <set>
using namespace std;

char s[20], t[20];

int main() {
    scanf("%s%s", s, t);
    int n, m;
    n = strlen(s);
    m = strlen(t);
    if(n != t - 1) {
        printf("NO\n");
        return 0;
    }
    for(int i = 0; i < n; i++) {
        if(s[i] != t[i]){
            printf("NO\n");
            return 0;
        }
    }
    printf("YES\n");
    
    return 0;
}






















Compiler output:
a.cc: In function 'int main()':
a.cc:27:10: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   27 |     if(n != t - 1) {
      |        ~~^~~~~~~~
Language: C

#include <stdio.h>
#include <string.h>
int main(void){
  char S[10];
  char T[11];
  int i, j;
  scanf("%s\n%s", S, T);
  
  for(i=0;i<=11;i++){
    if(strcmp(S[i-1], T[i])==0){
      printf("Yes");
    }else printf("No");
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:16: error: passing argument 1 of 'strcmp' makes pointer from integer without a cast [-Wint-conversion]
   10 |     if(strcmp(S[i-1], T[i])==0){
      |               ~^~~~~
      |                |
      |                char
In file included from main.c:2:
/usr/include/string.h:156:32: note: expected 'const char *' but argument is of type 'char'
  156 | extern int strcmp (const char *__s1, const char *__s2)
      |                    ~~~~~~~~~~~~^~~~
main.c:10:24: error: passing argument 2 of 'strcmp' makes pointer from integer without a cast [-Wint-conversion]
   10 |     if(strcmp(S[i-1], T[i])==0){
      |                       ~^~~
      |                        |
      |                        char
/usr/include/string.h:156:50: note: expected 'const char *' but argument is of type 'char'
  156 | extern int strcmp (const char *__s1, const char *__s2)
      |                                      ~~~~~~~~~~~~^~~~
main.c:14:1: error: expected declaration or statement at end of input
   14 | }
      | ^
Language: C++

#include <iostream>
using namespace std;
char ao[10];
char bo[11];
int main() {
	string a, b;
	bool ans;
	cin >> a >> b;
	for (int i = 0; i < (int)a.size; i++)ao[i] = a[i];
	for (int i = 0; i < (int)a.size; i++)bo[i] = b[i];
	for (int i = 0; i < (int)a.size; i++) {
		if (ao[i] != bo[i])ans = false;
	}
	if (ans)cout << "Yes" << endl;
	else cout << "No" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:36: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
    9 |         for (int i = 0; i < (int)a.size; i++)ao[i] = a[i];
      |                                  ~~^~~~
      |                                        ()
a.cc:10:36: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   10 |         for (int i = 0; i < (int)a.size; i++)bo[i] = b[i];
      |                                  ~~^~~~
      |                                        ()
a.cc:11:36: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   11 |         for (int i = 0; i < (int)a.size; i++) {
      |                                  ~~^~~~
      |                                        ()
Language: C++

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


int main() {
  // ここにプログラムを追記
  string S ,T;
  cin>>S>>T;
  string A=T.at(  T.size() - 1 );
    string B =S + A;
    if(T ==B )
    {cout << "Yes"<<endl;
    }
  else{
    cout<< "No"<<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:16: error: conversion from '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::value_type' {aka 'char'} to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
   10 |   string A=T.at(  T.size() - 1 );
      |            ~~~~^~~~~~~~~~~~~~~~~
Language: C

#include <stdio.h>
 
int main(void) {
  char S[],T[];
  int i;
  if(scanf("%s\n%s", S, T)==1);
  if (strlen(S)==strlen(T)-1) {
    for(i=0;i<strlen(S);i++) {
      if(S[i]!=T[i]) {
    	printf("No");
        break;
      }
    }
    printf("Yes");
  }
  else {
    printf("No");
  }
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:4:8: error: array size missing in 'S'
    4 |   char S[],T[];
      |        ^
main.c:4:12: error: array size missing in 'T'
    4 |   char S[],T[];
      |            ^
main.c:7:7: error: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
    7 |   if (strlen(S)==strlen(T)-1) {
      |       ^~~~~~
main.c:2:1: note: include '<string.h>' or provide a declaration of 'strlen'
    1 | #include <stdio.h>
  +++ |+#include <string.h>
    2 | 
main.c:7:7: warning: incompatible implicit declaration of built-in function 'strlen' [-Wbuiltin-declaration-mismatch]
    7 |   if (strlen(S)==strlen(T)-1) {
      |       ^~~~~~
main.c:7:7: note: include '<string.h>' or provide a declaration of 'strlen'
Language: C++

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

int main() {
  string S, T;
  cin >> S >> T;
   
  if (T.find(S) != std::string::upos) {
    puts("yes");
  }
  else {
    cout << "No" << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:33: error: 'upos' is not a member of 'std::string' {aka 'std::__cxx11::basic_string<char>'}
    8 |   if (T.find(S) != std::string::upos) {
      |                                 ^~~~
Language: Java

package java -Xss256M;

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String userS="";
		do{
			userS = scan.nextLine();
		}while (userS.length() <= 0 || userS.length() >= 10);

		String userT = scan.nextLine();;

		if(canSet(userS, userT)){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}

	}

	public static boolean canSet(String userS, String userT) {
		boolean canSet = true;

		if(userS.length() + 1 != userT.length()){
			canSet = false;
		}

		for (int i = 0, len = userS.length(); i < len ; i++){
			if(userS.charAt(i) != userT.charAt(i)){
				canSet = false;
			}
		}
		return canSet;
	}
}

Compiler output:
Main.java:1: error: ';' expected
package java -Xss256M;
            ^
1 error
Language: C++

#include<stdio.h>
#include <iostream>
using namespace std;
int main(void)
{
    string S,T;
    cin >> S;
    cin >> T;

   int i=0;
   int flag=0;
if(S==T.substr(t.size()-1))
cout << "YES";
else
cout << "NO";


return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:16: error: 't' was not declared in this scope
   12 | if(S==T.substr(t.size()-1))
      |                ^
Language: C

#include <stdio.h>
 
int main(void)
{
  int a, b, c, k;
  int i=0;
  scanf("%d, %d, %d, %d", &a, &b, &c, &k);
  for ("; c=0 || k=0; c--"){
    i--;
    k--;
  for ("; b=0 || k=0; b--"){
    k--;
  for ("; a=0 || k=0; a--"){
    i++;
    k--;
  }
  }
  }
printf("%d", i);
}

Compiler output:
main.c: In function 'main':
main.c:8:27: error: expected ';' before ')' token
    8 |   for ("; c=0 || k=0; c--"){
      |                           ^
      |                           ;
main.c:8:27: error: expected expression before ')' token
main.c:11:27: error: expected ';' before ')' token
   11 |   for ("; b=0 || k=0; b--"){
      |                           ^
      |                           ;
main.c:11:27: error: expected expression before ')' token
main.c:13:27: error: expected ';' before ')' token
   13 |   for ("; a=0 || k=0; a--"){
      |                           ^
      |                           ;
main.c:13:27: error: expected expression before ')' token
Language: C++

#include<bits/stdc++.h>
using namespace std;
 
int main() {
  string s,t;
  cin >> s;
  cin >> t;
  int c;
  for(int i(0),i<(int)(s.length());i++){
    if(s[i]==t[i])	continue;
    else{
      c=i;
      break;
    }
    c=i;
  }
  if(c==(int)(s.length()))	cout << "Yes";
  else	cout << "No";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:17: error: expected ';' before '<' token
    9 |   for(int i(0),i<(int)(s.length());i++){
      |                 ^
      |                 ;
a.cc:9:17: error: expected primary-expression before '<' token
Language: C++

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


int main() {
  // ここにプログラムを追記
  string S ,T:
  cin>>S>>T;
  string A=T.at(  T.size() - 1 );
    string B =S + A;
    if(T ==B )
    {cout << "Yes"<<endl;
    }
  else{
    cout<< "No"<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:14: error: found ':' in nested-name-specifier, expected '::'
    8 |   string S ,T:
      |              ^
      |              ::
a.cc:8:13: error: 'T' has not been declared
    8 |   string S ,T:
      |             ^
a.cc:9:6: error: qualified-id in declaration before '>>' token
    9 |   cin>>S>>T;
      |      ^~
a.cc:10:12: error: 'T' was not declared in this scope
   10 |   string A=T.at(  T.size() - 1 );
      |            ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{
  string S, T;
  cin >> S >> T;
  int A = S.size();
  int B = A + 1;
  int C = T.size();
  if(C = B)
  {
    for(int i = 0; i < A; i++)
    {
      }
      if(S.at(i) == T.at(i))
      {
        if (i == A - 1){
        cout << "Yes" << endl;
        continue;
      }
      else
      {
        cout << "No" << endl;
        break;
      }
    }
  }
  else
  {
    cout << "No" << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:15: error: 'i' was not declared in this scope
   15 |       if(S.at(i) == T.at(i))
      |               ^
a.cc:19:9: error: continue statement not within a loop
   19 |         continue;
      |         ^~~~~~~~
a.cc:24:9: error: break statement not within loop or switch
   24 |         break;
      |         ^~~~~
Language: C++

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

int main() {
  string a, b;
  cin >> a >> b;
  if (a.size() = b.size() - 1) {
  cout << "Yes" << endl;
  }
  else {
    cout << "No" << endl;
  }
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: lvalue required as left operand of assignment
    7 |   if (a.size() = b.size() - 1) {
      |       ~~~~~~^~
Language: Java

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {      
      Scanner sc = new Scanner(System.in);
      String S = sc.next();
      String T = sc.next();
      int check =0;
      for (int i=0; i<S.length(); i++) {
        if (S.charAt(i) == T.charAt(i)) check++;
      }
      if (check == S.length()) {
      System.out.println("Yes");
      } else {
          System.out.println("No");
    }
}

Compiler output:
Main.java:17: error: reached end of file while parsing
}
 ^
1 error
Language: C++

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

int main() {
  char s[50];
  for(int i = 0; i < (int)sizeof s; i++) {
    char s[50];
    char t[50];
    cin >> s >> t; 
    if(s[i] == t[i] && (int)sizeof s + 1 = (int)sizeof t) {
      cout << "Yes" << endl;
    } else {
      cout << "No" << endl;
    }
  }
}  


Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: lvalue required as left operand of assignment
   10 |     if(s[i] == t[i] && (int)sizeof s + 1 = (int)sizeof t) {
      |        ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
char s[15], t[15];
int main() {
	scanf("%s", s);
	scanf("%s", t);
	cin >> s;
	cin >> t;
	int lens = strlen(s);
	int lent = strlen(t);
	s[lens] = 0;
	/*if (lent - lens != 1) {
		cout << "No";
		return 0;
	}*/
	else {
		for (int i = 1; i <= lens - 1; i++) {
			if (s[i] != t[i]) {
				cout << "No";
				return 0;
			}
		}
	}
	cout << "Yes";
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:9: error: 'else' without a previous 'if'
   16 |         else {
      |         ^~~~
Language: C

#include <stdio.h>
 
int main(void)
{
  int a, b, c, k;
  int i=0;
  scanf("%s, %s, %s, %s", a, b, c, k);
  for ("; c=0 || k=0; c--"){
    i--;
    k--;
  for ("; b=0 || k=0; b--"){
    k--;
  for ("; a=0 || k=0; a--"){
    i++;
    k--;
  }
  }
  }
printf("%d", i);
}

Compiler output:
main.c: In function 'main':
main.c:8:27: error: expected ';' before ')' token
    8 |   for ("; c=0 || k=0; c--"){
      |                           ^
      |                           ;
main.c:8:27: error: expected expression before ')' token
main.c:11:27: error: expected ';' before ')' token
   11 |   for ("; b=0 || k=0; b--"){
      |                           ^
      |                           ;
main.c:11:27: error: expected expression before ')' token
main.c:13:27: error: expected ';' before ')' token
   13 |   for ("; a=0 || k=0; a--"){
      |                           ^
      |                           ;
main.c:13:27: error: expected expression before ')' token
Language: C++

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

int main() {
  string S, T;
  cin >> S >> T;
  
  std::string T;
   
  if (T.find(S) != std::string::upos) {
    puts("yes");
  }
  else {
    cout << "No" << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: redeclaration of 'std::string T'
    8 |   std::string T;
      |               ^
a.cc:5:13: note: 'std::string T' previously declared here
    5 |   string S, T;
      |             ^
a.cc:10:33: error: 'upos' is not a member of 'std::string' {aka 'std::__cxx11::basic_string<char>'}
   10 |   if (T.find(S) != std::string::upos) {
      |                                 ^~~~
Language: C++

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

int main() {
  string S,T;
  cin>>S>>T;
  
  int N=S.size();
  
  
  for(int i=0;i<N;i++){
   
    if(S.at(i)!=T.at(i)){
      
      cout<<"No"<<endl;}
    
     elseif((i==N-1)&&(S.at(N-1)==T.at(N-1))){
      
      cout<<"Yes"<<endl;}}
    
    
    
}





Compiler output:
a.cc: In function 'int main()':
a.cc:17:6: error: 'elseif' was not declared in this scope
   17 |      elseif((i==N-1)&&(S.at(N-1)==T.at(N-1))){
      |      ^~~~~~
Language: C++

#include<iostream>
#include<cmath>
#include<numeric>
#include<functional>
#include<string>
#include<algorithm>
#include<vector>
#include<map>
#include<iomanip>
#define rep(i,n) for(int i=0;i<n;i++)
#define rep1(i,n) for(int i=1;i<n;i++)
#define ll long long
using namespace std;
using Graph=vector<vector<int>>;

int main(){
  string s,t;
  cin>>s>>t;
  int n=s.length();
  if(s==substr(0,n)){
    cout<<"Yes";
  }else{
    cout<<"No";
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:9: error: 'substr' was not declared in this scope
   20 |   if(s==substr(0,n)){
      |         ^~~~~~
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main(){
	string s,t;
  cin>>s>>t;
  for(int i=0;i<s.length();i++
      {
        if(t[i]==s[i]) continue;
        else cout<<"NO";
      }
      if(s.length()==(t.length()+1)) cout<<"YES";
      else cout<<"NO";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:31: error: expected ')' before '{' token
    7 |   for(int i=0;i<s.length();i++
      |      ~                        ^
      |                               )
    8 |       {
      |       ~
Language: C++

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

int main(){
	string S,T;
  	cin>>S>>T;
  	T=T.erase(S.size())
  	if(S==T) cout<<"Yes";
  	else     cout<<"No" ;
  	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:28: error: expected ';' before 'if'
    7 |         T=T.erase(S.size())
      |                            ^
      |                            ;
    8 |         if(S==T) cout<<"Yes";
      |         ~~                  
a.cc:9:9: error: 'else' without a previous 'if'
    9 |         else     cout<<"No" ;
      |         ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
 
int main() {
  string s,t;
  cin >> s;
  cin >> t;
  int c;
  for(int i(0),i<s.length();i++){
    if(s[i]==t[i])	continue;
    else{
      c=i;
      break;
    }
    c=i;
  }
  if(c==s.length())	cout << "Yes";
  else	cout << "No";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:17: error: expected ';' before '<' token
    9 |   for(int i(0),i<s.length();i++){
      |                 ^
      |                 ;
a.cc:9:17: error: expected primary-expression before '<' token
Language: C++

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

int main() {
  int a, b, c;
  cin >> a >> b;
  if (a.size() = b.size() - 1) {
  cout << "Yes" << endl;
  }
  else {
    cout << "No" << endl;
  }
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:7:9: error: request for member 'size' in 'a', which is of non-class type 'int'
    7 |   if (a.size() = b.size() - 1) {
      |         ^~~~
a.cc:7:20: error: request for member 'size' in 'b', which is of non-class type 'int'
    7 |   if (a.size() = b.size() - 1) {
      |                    ^~~~
Language: C

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

#define  SZ(items) (int)items.size()
#define  CLR(a)  memset(a,0,sizeof(a))
#define  SET(a)  memset(a,-1,sizeof(a))
#define  nl "\n";

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

char ch[] = { 'N','S','E','W' };



template <class T> inline T biton(T n, T pos)
{
	return n | ((T)1 << pos);
}
template <class T> inline T bitoff(T n, T pos)
{
	return n & ~((T)1 << pos);
}
template <class T> inline T ison(T n, T pos)
{
	return (bool)(n & ((T)1 << pos));
}
template <class T> inline T gcd(T a, T b)
{
	while (b)
	{
		a = a % b;
		swap(a, b);
	}
	return a;
}
template <class T> inline T bigmod(T p, T e, T m)
{
	T ret = 1;
	for (; e > 0; e >>= 1)
	{
		if (e & 1)
			ret = (ret * p) % m;
		p = (p * p) % m;
	}
	return (T)ret;
};


#ifdef DEBUG
#define debug(...) __f(#__VA_ARGS__, __VA_ARGS__)
template < typename Arg1 >
void __f(const char* name, Arg1&& arg1)
{
	cerr << name << " is " << arg1 << std::endl;
}
template < typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args)
{
	const char* comma = strchr(names + 1, ',');
	cerr.write(names, comma - names) << " is " << arg1 << " | ";
	__f(comma + 1, args...);
}
#else
#define debug(...)
#endif

void solve()
{
	string str, str2;
	cin >> str >> str2;
	str2.pop_back();
	if (str == str2) {
		cout << "Yes" << nl
	}
	else {
		cout << "No" << nl;
	}
}

int main()
{
	ios_base::sync_with_stdio(false);
	cout.setf(ios::fixed);
	cout.precision(10);
	cout.tie(nullptr);
	cin.tie(nullptr);

	int t = 1;

	while (t--)
	{
		solve();
	}

	return 0;
}


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

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

int main() {
  char s[50], t[50];
  for(int i = 0; i < (int)sizeof s; i++) {
    char s[50];
    char t[50];
    cin >> s >> t; 
    if(s[i] == t[i] && (int)sizeof s + 1 = (int)sizeof t) {
      cout << "Yes" << endl;
    } else {
      cout << "No" << endl;
    }
  }
}  


Compiler output:
a.cc: In function 'int main()':
a.cc:10:21: error: lvalue required as left operand of assignment
   10 |     if(s[i] == t[i] && (int)sizeof s + 1 = (int)sizeof t) {
      |        ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
Language: C

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

#define  SZ(items) (int)items.size()
#define  CLR(a)  memset(a,0,sizeof(a))
#define  SET(a)  memset(a,-1,sizeof(a))
#define  nl "\n";

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

char ch[] = { 'N','S','E','W' };



template <class T> inline T biton(T n, T pos)
{
	return n | ((T)1 << pos);
}
template <class T> inline T bitoff(T n, T pos)
{
	return n & ~((T)1 << pos);
}
template <class T> inline T ison(T n, T pos)
{
	return (bool)(n & ((T)1 << pos));
}
template <class T> inline T gcd(T a, T b)
{
	while (b)
	{
		a = a % b;
		swap(a, b);
	}
	return a;
}
template <class T> inline T bigmod(T p, T e, T m)
{
	T ret = 1;
	for (; e > 0; e >>= 1)
	{
		if (e & 1)
			ret = (ret * p) % m;
		p = (p * p) % m;
	}
	return (T)ret;
};


#ifdef DEBUG
#define debug(...) __f(#__VA_ARGS__, __VA_ARGS__)
template < typename Arg1 >
void __f(const char* name, Arg1&& arg1)
{
	cerr << name << " is " << arg1 << std::endl;
}
template < typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args)
{
	const char* comma = strchr(names + 1, ',');
	cerr.write(names, comma - names) << " is " << arg1 << " | ";
	__f(comma + 1, args...);
}
#else
#define debug(...)
#endif

void solve()
{
	string str, str2;
	cin >> str >> str2;
	str.pop_back();
	if (str == str2) {
		cout << "Yes" << nl
	}
	else {
		cout << "No" << nl;
	}
}

int main()
{
	ios_base::sync_with_stdio(false);
	cout.setf(ios::fixed);
	cout.precision(10);
	cout.tie(nullptr);
	cin.tie(nullptr);

	int t = 1;

	while (t--)
	{
		solve();
	}

	return 0;
}


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

#include <iostream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <cstdlib>
#include <string>
#define arep(a,i,n) for(int i=(a);i<(n);i++)
#define rep(i,n) for(int i=0;i<(n);i++)
#define cinf(x,n) for(int i=0;i<(n);i++)cin>>x[i];
#define coutf(x,n) for(int i=0;i<(n);i++)cout<<x[i]<<endl;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

using namespace std;


ll str_len(char *s){
  ll len;
  while(*s++)
    len++;
  return len;
}

bool judge(char *s,char *t,ll n){
	rep(0,n){
		if(s[i]!=t[i])
			return false;
	}
	return true;
}

int main(){
	char s[100],t[100];
	cin >> s >> t;
	if(str_len(t)==str_len(s)+1 && judge(s,t,str_len(s))==true)
		cout << "Yes" << endl;
	else
		cout << "No" << endl;
}

Compiler output:
a.cc: In function 'bool judge(char*, char*, ll)':
a.cc:26:13: error: expected unqualified-id before numeric constant
   26 |         rep(0,n){
      |             ^
a.cc:8:26: note: in definition of macro 'rep'
    8 | #define rep(i,n) for(int i=0;i<(n);i++)
      |                          ^
a.cc:26:13: error: expected ';' before numeric constant
   26 |         rep(0,n){
      |             ^
a.cc:8:26: note: in definition of macro 'rep'
    8 | #define rep(i,n) for(int i=0;i<(n);i++)
      |                          ^
a.cc:26:13: error: lvalue required as left operand of assignment
   26 |         rep(0,n){
      |             ^
a.cc:8:26: note: in definition of macro 'rep'
    8 | #define rep(i,n) for(int i=0;i<(n);i++)
      |                          ^
a.cc:8:35: error: expected ')' before ';' token
    8 | #define rep(i,n) for(int i=0;i<(n);i++)
      |                     ~             ^
a.cc:26:9: note: in expansion of macro 'rep'
   26 |         rep(0,n){
      |         ^~~
a.cc:26:13: error: lvalue required as increment operand
   26 |         rep(0,n){
      |             ^
a.cc:8:36: note: in definition of macro 'rep'
    8 | #define rep(i,n) for(int i=0;i<(n);i++)
      |                                    ^
Language: C++

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

int main(void)
{
    string s,t;
    cin >> s>>t;
    
    unsigned int pos = t.find(s);
    
    if(Pos == 0 )
        t.replace(Pos,s.length(), "");

    cout<<((t.length() == 1)?"Yes":"No") << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:8: error: 'Pos' was not declared in this scope; did you mean 'pos'?
   14 |     if(Pos == 0 )
      |        ^~~
      |        pos