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

import java.util.Scanner;
public class Main
{
  public static void main(String[] args)
  {
    Scannner sc = new Scanner(System.in);
    String str = sc.next();
    String str1 = sc.next();
    boolean b = false;
    for(char c = 'a'; c <= 'z'; c++)
      if(str+c == s)
        b = true;
  }
  System.out.println(b);
}


Compiler output:
Main.java:14: error: <identifier> expected
  System.out.println(b);
                    ^
Main.java:14: error: <identifier> expected
  System.out.println(b);
                      ^
2 errors
Language: Java

import java.util.Scanner;
public class Main
{
  public class static void main(String[] args)
  {
    Scannner sc = new Scanner(System.in);
    String str = sc.next();
    String str1 = sc.next();
    boolean b = false;
    for(char c = 'a'; c <= 'z'; c++)
      if(str+c == s)
        b = true;
  }
  System.out.println(b);
}

Compiler output:
Main.java:4: error: <identifier> expected
  public class static void main(String[] args)
              ^
Main.java:14: error: <identifier> expected
  System.out.println(b);
                    ^
Main.java:14: error: <identifier> expected
  System.out.println(b);
                      ^
3 errors
Language: C++

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

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


Compiler output:
a.cc: In function 'int main()':
a.cc:8:3: error: expected ',' or ';' before 'T'
    8 |   T=T.substr(0,A);
      |   ^
Language: C++

#include<iostream>
#include<cstdio>
using namespace std;
char s[110],t[110];
int main(){
	scanf("%s%s",s+1,t+1);
	bool mk=true;
	for(int i=1;i<=strlen(s+1);++i)if(s[i]!=t[i]){
		mk=false;
		break;
	}
	cout<<(mk ? "Yes" : "No")<<endl;
	return 0;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:8:24: error: 'strlen' was not declared in this scope
    8 |         for(int i=1;i<=strlen(s+1);++i)if(s[i]!=t[i]){
      |                        ^~~~~~
a.cc:3:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    2 | #include<cstdio>
  +++ |+#include <cstring>
    3 | using namespace std;
Language: C++

#include<stdio.h>
#include<string.h>

int main(){
	char s[11], t[11];

	gets(s);
	gets(t);

	int len1 = strlen(s);
	int len2 = strlen(t);

	for(int i = 0; i < len1; 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:7:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
    7 |         gets(s);
      |         ^~~~
      |         getw
Language: C++

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

int main () {
  int A , B , C ,K ;
  
  cin >> A >> B >> C >> K ; 
  
  if ( A >= K && ){
    cout << A << endl ; 
    
  }
  
  else if(A+B >= K && A < K){
    cout << A << endl ; 
  }
  
  else if(A+B < K && A+B+C >= K  ){
    cout << A - (K-(A+B)) << endl ; 
  }

  retuen 0 ; 
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:18: error: expected primary-expression before ')' token
    9 |   if ( A >= K && ){
      |                  ^
a.cc:22:3: error: 'retuen' was not declared in this scope
   22 |   retuen 0 ;
      |   ^~~~~~
Language: Java

import java.io.*;
import java.util.*;
public class A {

	public static void main(String[] args) {
		Scanner s  = new Scanner(System.in);
		String a = s.next();
		String b = s.next();
		String x  = b.substring(0,b.length()-1);
		if(x.equals(a) && a.length()+1==b.length()) {
			System.out.println("Yes");
		}
		else {
			System.out.println("No");
		}

	}

}


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

import java.io.*;
import java.util.*;
public class Main {

	public static void main(String[] args) {
		Scanner s  = new Scanner(System.in);
		String a = s.next();
		String b = s.next();
		String x  = b.substring(0,b.length()-1);
		if(x.equals(a) && a.length()+1==b.length()) {
			System.out.println("Yes");
		}
		else {
			System.out.println("No");
		}

	}

}


Compiler output:
a.cc:1:1: error: 'import' does not name a type
    1 | import java.io.*;
      | ^~~~~~
a.cc:1:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:2:1: error: 'import' does not name a type
    2 | import java.util.*;
      | ^~~~~~
a.cc:2:1: note: C++20 'import' only available with '-fmodules-ts'
a.cc:3:1: error: expected unqualified-id before 'public'
    3 | public class Main {
      | ^~~~~~
Language: C

#include<stdio.h>
#include<stdlib.h>
#include<stding.h>

int main(void){

  char S[10],T[11];
  
  scanf("%s",S);
  scanf("%s",T);
  
  
  for(int i=0;i<strlen(S);i++){
  	if(S[i]!=T[i]){
      printf("No\n");
    	return 0;
    }
  }
  
 printf("Yes\n");
  return 0;
}

Compiler output:
main.c:3:9: fatal error: stding.h: No such file or directory
    3 | #include<stding.h>
      |         ^~~~~~~~~~
compilation terminated.
Language: C++

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

int main() {
  string S , T ; 
  int N ; 
  
  cin >> S >> T ;
 

  N =S.size() ; 
  
  
  for (int i = 0 ; i<N ; i++){
    
  if (S.at(i) != T.at(i)){
    cout << "No" << endl ; 

    break ;
      }
  }
  
  else{
    cout << "Yes" << endl ; 
  }
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:23:3: error: 'else' without a previous 'if'
   23 |   else{
      |   ^~~~
Language: C++

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

int main() {
  string S , T ; 
  int N ; 
  
  cin >> S >> T ;
 

  N =S.size() ; 
  
  
  for (int i = 0 ; i<N ; i++){
    
  if (S.at(i) != T.at(i)){
    cout << "No" << endl ; 

    break ; 
      }
  }
    cout << "Yes" << endl ; 
  
  break ;
  
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:24:3: error: break statement not within loop or switch
   24 |   break ;
      |   ^~~~~
Language: C++

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

int main() {
  string S , T ; 
  int N ; 
  
  cin >> S >> T ;
 

  N =S.size() ; 
  
  
  for (int i = 0 ; i<N ; i++){
    
  if (S.at(i) != T.at(i)){
    cout << "No" << endl ; 

    
      }
    
    cout << "Yes" << endl ; 
  
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:2: error: expected '}' at end of input
   25 | }
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

int main() {
  string S , T ; 
  int N ; 
  
  cin >> S >> T ;
 

  N =S.size() ; 
  
  
  for (int i = 0 ; i<N ; i++){
    
  if (S.at(i) != T.at(i){
    cout << "No" << endl ; 
  }
  else {
    cout << "Yes" << endl ; 
  }
    
      }
  
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:25: error: expected ')' before '{' token
   16 |   if (S.at(i) != T.at(i){
      |      ~                  ^
      |                         )
a.cc:23:7: error: expected primary-expression before '}' token
   23 |       }
      |       ^
Language: C

#include<stdio.h>
#include<stdlib.h>
#include<string.h>

int main(void){

  char id[100];
  char new[100];
  
  
  scanf("%s",id);
  scanf("%s",new);
  
  for(int i=0;i<starlen(id);i++){
   if(id[i]!=new[i]){
    printf("No\n");
     return 0;
   }

}
  
  if(strlen(new)==strlen(id)+1){
   printf("Yes\n");
  }
  return 0;
}


Compiler output:
main.c: In function 'main':
main.c:14:17: error: implicit declaration of function 'starlen'; did you mean 'strlen'? [-Wimplicit-function-declaration]
   14 |   for(int i=0;i<starlen(id);i++){
      |                 ^~~~~~~
      |                 strlen
Language: C

#include<studio.h>
#include<stdlib.h>
#include<string.h>

int main(void){

  char id[100];
  char new[100];
  
  
  scanf("%s",id);
  scanf("%s",new);
  
  for(int i=0;i<starlen(id);i++){
   if(id[i]!=new[i]){
    printf("No\n");
     return 0;
   }

}
  
  if(strlen(new)==strlen(id)+1){
   printf("Yes\n");
  }
  return 0;
}


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

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

int main() {
  	string s;
  	cin >> s;
  	int n = s.size();
  	int q = 0;
  	for(long i = 0; i<n; i++){
      if(s[i]==t[i]){
        q++;
    }
    else{
      cout << "No" << endl;
    }
    }
  if(q==n){
    cout << "Yes" << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:16: error: 't' was not declared in this scope
   11 |       if(s[i]==t[i]){
      |                ^
Language: C++

#include<iostream>
#include <string>
#include <cstring>
#include <cmath>
#include <stdio.h>
using namespace std;
 
int main(){
    string A, B;
    cin>> A>>B;
	int length = (int)(str.length());
  	B2 = B.substr(0,length);
  if (strcmp(A, B2) ==0) cout << "Yes"<<endl;
  else cout<<"No"<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:28: error: 'str' was not declared in this scope; did you mean 'std'?
   11 |         int length = (int)(str.length());
      |                            ^~~
      |                            std
a.cc:12:9: error: 'B2' was not declared in this scope; did you mean 'B'?
   12 |         B2 = B.substr(0,length);
      |         ^~
      |         B
Language: Java


import java.util.*;
public class main_214865 {
	public static void main ( String [] args) {
		Scanner input = new Scanner (System.in);
		String s = input.next();
		String t = input.next();
		boolean f = true;
		for (int i = 0; i < s.length(); i++) {
			if (s.charAt(i) != t.charAt(i)) {
				f= false;
				break;
			}
			
		}
		if (f) {
			System.out.println("Yes");	
		}
		else {
			System.out.println("no");
		}
	}

}


Compiler output:
Main.java:3: error: class main_214865 is public, should be declared in a file named main_214865.java
public class main_214865 {
       ^
1 error
Language: C++

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

int main() {
  string S ;
  string T ;
  cin >> S >> T;
  for (int i = 0; i < S.size(); i++) {
  if (S[i] = T[i]) {
  cout << "Yes" << endl;
}
}

 
else {
  cout << "No" << endl;
}

return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:15:1: error: 'else' without a previous 'if'
   15 | else {
      | ^~~~
Language: C++


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

int main()
{

string s ,t:
cin>>s>>t;

for(int index = 0;index<s.size();index++)
if(s[index]!=t[index])
{
    cout<<"No"<<endl;
    return 0 ;
}
cout<<"Yes"<<endl;
return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:12: error: found ':' in nested-name-specifier, expected '::'
    9 | string s ,t:
      |            ^
      |            ::
a.cc:9:11: error: 't' has not been declared
    9 | string s ,t:
      |           ^
a.cc:10:4: error: qualified-id in declaration before '>>' token
   10 | cin>>s>>t;
      |    ^~
a.cc:13:14: error: 't' was not declared in this scope
   13 | if(s[index]!=t[index])
      |              ^
Language: Java

import java.in.*;
import java.util.*;
import java.lang.*;

 class ArrayIntro {

	public static void main(String[] args) {
	
		
		Scanner sc=new Scanner(System.in);
		
		String s=sc.nextLine();
		String x=sc.nextLine();
		int n=x.length();
	
		String r=x.substring(0,n-1);
		
		
		if(r.equals(s))
		{System.out.println("Yes");}
		else
		{System.out.println("No");}
		
		sc.close();

	}

}


Compiler output:
Main.java:1: error: package java.in does not exist
import java.in.*;
^
1 error
Language: Java

import java.in.*;
import java.util.*;

public class ArrayIntro {

	public static void main(String[] args) {
	
		
		Scanner sc=new Scanner(System.in);
		
		String s=sc.nextLine();
		String x=sc.nextLine();
		int n=x.length();
	
		String r=x.substring(0,n-1);
		
		
		if(r.equals(s))
		{System.out.println("Yes");}
		else
		{System.out.println("No");}
		
		sc.close();

	}

}


Compiler output:
Main.java:4: error: class ArrayIntro is public, should be declared in a file named ArrayIntro.java
public class ArrayIntro {
       ^
Main.java:1: error: package java.in does not exist
import java.in.*;
^
2 errors
Language: C++

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

int main() {
  string A,B;
  cin >> A >> B;
  int a=0;
  int C;
  C = A.size() 
  for (int i=0; i < C; i++) {
    if (A.size(i) !=)
    
    

Compiler output:
a.cc:2:20: error: expected ';' before ':' token
    2 | using namespace std:
      |                    ^
      |                    ;
a.cc:2:20: error: expected unqualified-id before ':' token
Language: C++

#include<iostream>
#include<string>
#define rep(i, a, n) for(int i = a; i < n; i++)
using namespace std;
int main(){
  bool flag 
  string s, ss;
  cin >> s >> ss;
  
  rep(i, 0, s.size()){
    if(s[i] != ss[i]){
      flag = 1;
      cout << "No";
      break;
    }
  }
  
  if(flag == 0){
    cout << "Yes";
  }
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:7:3: error: expected initializer before 'string'
    7 |   string s, ss;
      |   ^~~~~~
a.cc:8:10: error: 's' was not declared in this scope
    8 |   cin >> s >> ss;
      |          ^
a.cc:8:15: error: 'ss' was not declared in this scope
    8 |   cin >> s >> ss;
      |               ^~
a.cc:12:7: error: 'flag' was not declared in this scope
   12 |       flag = 1;
      |       ^~~~
a.cc:18:6: error: 'flag' was not declared in this scope
   18 |   if(flag == 0){
      |      ^~~~
Language: C++

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

int main(){
  
  string a,b;
  char c;
  cin >> a >> b;
  
  if( b == ac ){
    
    cout << "Yes" << endl;
    
  }
  
  else{
    
    cout << "No" << endl;
    
  }
  
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:12: error: 'ac' was not declared in this scope; did you mean 'c'?
   10 |   if( b == ac ){
      |            ^~
      |            c
Language: C++

#include <iostream>
#include <string>
using namespace std;
int main(){
  sting s1,s2;
  cin >> s1 >> s2;
  s1.append();
  if(s1==s2){
    cout << "Yes" << endl;
  }
  else{
    cout << "No" << endl;
      }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'sting' was not declared in this scope
    5 |   sting s1,s2;
      |   ^~~~~
a.cc:6:10: error: 's1' was not declared in this scope
    6 |   cin >> s1 >> s2;
      |          ^~
a.cc:6:16: error: 's2' was not declared in this scope
    6 |   cin >> s1 >> s2;
      |                ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
typedef long long int ll;
 
int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  int a,b,c;
  string s,t;
  cin >>s>>t;
  if(s==t.substr(0,s.size)){
    cout <<"Yes";
  }else{
    cout <<"No";
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:22: error: invalid use of non-static 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]'
   13 |   if(s==t.substr(0,s.size)){
      |                    ~~^~~~
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: declared here
 1076 |       size() const _GLIBCXX_NOEXCEPT
      |       ^~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
typedef long long int ll;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  int a,b,c;
  string s,t;
  cin >>s>>t;
  if(s==t.substring(0,s.size){
    cout <<"Yes";
  }else{
    cout <<"No";
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:11: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'substring'; did you mean 'substr'?
   13 |   if(s==t.substring(0,s.size){
      |           ^~~~~~~~~
      |           substr
a.cc:13:30: error: expected ')' before '{' token
   13 |   if(s==t.substring(0,s.size){
      |     ~                        ^
      |                              )
a.cc:18:1: error: expected primary-expression before '}' token
   18 | }
      | ^
Language: C++

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


// ProblemSet: Registration
void solve() {
	string S,T;
	cin >> S >> T;

	T.pop_back()
	if(S == T){
		cout << "Yes" << endl;
		}
		cout << "No" << endl;
}

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    srand(chrono::high_resolution_clock::now().time_since_epoch().count());

   solve();
   return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:10:21: error: expected ';' before 'if'
   10 |         T.pop_back()
      |                     ^
      |                     ;
   11 |         if(S == T){
      |         ~~
Language: C++


using namespace std;
// ProblemSet: Registration
void solve() {
	int S,T;
	cin >> S >> T;

	T.pop_back()
	if(S == T){
		cout << "Yes" << endl;
		}
		cout << "No" << endl;
}

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    srand(chrono::high_resolution_clock::now().time_since_epoch().count());
   solve();
   return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:6:9: error: 'cin' was not declared in this scope
    6 |         cin >> S >> T;
      |         ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | 
a.cc:8:11: error: request for member 'pop_back' in 'T', which is of non-class type 'int'
    8 |         T.pop_back()
      |           ^~~~~~~~
a.cc:12:17: error: 'cout' was not declared in this scope
   12 |                 cout << "No" << endl;
      |                 ^~~~
a.cc:12:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:12:33: error: 'endl' was not declared in this scope
   12 |                 cout << "No" << endl;
      |                                 ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | 
a.cc: In function 'int main()':
a.cc:16:5: error: 'ios_base' has not been declared
   16 |     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
      |     ^~~~~~~~
a.cc:16:35: error: 'cin' was not declared in this scope
   16 |     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
      |                                   ^~~
a.cc:16:35: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:16:47: error: 'cout' was not declared in this scope
   16 |     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
      |                                               ^~~~
a.cc:16:47: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:17:11: error: 'chrono' has not been declared
   17 |     srand(chrono::high_resolution_clock::now().time_since_epoch().count());
      |           ^~~~~~
a.cc:17:5: error: 'srand' was not declared in this scope
   17 |     srand(chrono::high_resolution_clock::now().time_since_epoch().count());
      |     ^~~~~
Language: C++


using namespace std;
#define ll long long
typedef pair<int, int>	pr;
typedef vector<int>		vi;

// ProblemSet: Registration
void solve() {
	int S,T;
	cin >> S >> T;

	T.pop_back()
	if(S == T){
		cout << "Yes" << endl;
		}
		cout << "No" << endl;
}

/**
void dfs(int u, int par){
	for(int v:g[u]){
		if (v == par) continue;
		dfs(v, u);
	}
**/

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    srand(chrono::high_resolution_clock::now().time_since_epoch().count());

/**
    int t = 1;
    cin >> t;
    while(t--) {
      solve();
    }
   **/
   solve();
   return 0;
}


Compiler output:
a.cc:4:9: error: 'pair' does not name a type
    4 | typedef pair<int, int>  pr;
      |         ^~~~
a.cc:5:9: error: 'vector' does not name a type
    5 | typedef vector<int>             vi;
      |         ^~~~~~
a.cc: In function 'void solve()':
a.cc:10:9: error: 'cin' was not declared in this scope
   10 |         cin >> S >> T;
      |         ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | 
a.cc:12:11: error: request for member 'pop_back' in 'T', which is of non-class type 'int'
   12 |         T.pop_back()
      |           ^~~~~~~~
a.cc:16:17: error: 'cout' was not declared in this scope
   16 |                 cout << "No" << endl;
      |                 ^~~~
a.cc:16:17: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:16:33: error: 'endl' was not declared in this scope
   16 |                 cout << "No" << endl;
      |                                 ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | 
a.cc: In function 'int main()':
a.cc:28:5: error: 'ios_base' has not been declared
   28 |     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
      |     ^~~~~~~~
a.cc:28:35: error: 'cin' was not declared in this scope
   28 |     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
      |                                   ^~~
a.cc:28:35: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:28:47: error: 'cout' was not declared in this scope
   28 |     ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
      |                                               ^~~~
a.cc:28:47: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:29:11: error: 'chrono' has not been declared
   29 |     srand(chrono::high_resolution_clock::now().time_since_epoch().count());
      |           ^~~~~~
a.cc:29:5: error: 'srand' was not declared in this scope
   29 |     srand(chrono::high_resolution_clock::now().time_since_epoch().count());
      |     ^~~~~
Language: C

#include <iostream>
#include <stdio.h>

int main(void) {
		char a[100];int gg=0;int l;
	scanf("%s",a);
	char b[100];
	scanf("%s",b);
  int l1=strlen(a);
  int l2=strlen(b);
  if(l1>l2)
    l=l2;
  else
    l=l1;
  for(int i=0;i<l;i++)
  {
    if(a[i]!=b[i])
    {
      gg=9;break;}}
  if(gg==0)
    printf("Yes");
  else
    printf("No");// your code goes here
	return 0;
}



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

S = list(input())
T = list(input())
a = len(S)
b = 0
for i in range(a):
  if S[i]==T[i]:
    b +=1
if b == a:
  print("Yes")
else:
  print("No")

Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | S = list(input())
      | ^
main.c:1:1: error: type defaults to 'int' in declaration of 'S' [-Wimplicit-int]
main.c:1:5: error: implicit declaration of function 'list' [-Wimplicit-function-declaration]
    1 | S = list(input())
      |     ^~~~
main.c:1:10: error: implicit declaration of function 'input' [-Wimplicit-function-declaration]
    1 | S = list(input())
      |          ^~~~~
main.c:1:5: error: initializer element is not constant
    1 | S = list(input())
      |     ^~~~
main.c:2:1: error: expected ',' or ';' before 'T'
    2 | T = list(input())
      | ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
    char a[100],b[100];
    int i,len,ok=1;
    cin>>a>>b;
    len=strlen(a);
    for(i=0;i<len;i++) if (a[i]!=b[i]) ok=0;
    if(ok==1) cout<<"Yes";
    else cout<<"No";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:9: error: 'strlen' was not declared in this scope
    8 |     len=strlen(a);
      |         ^~~~~~
a.cc:2:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    1 | #include<iostream>
  +++ |+#include <cstring>
    2 | using namespace std;
Language: C++

#include <iostream>
using namespace std;

int main(){
	string s, t;
  	cin >> s >> t;
  	t.pop_back();
  
  	if (s == t) cout << "Yes" << endl;
  	else cout << "No << endl;
}

Compiler output:
a.cc:10:22: warning: missing terminating " character
   10 |         else cout << "No << endl;
      |                      ^
a.cc:10:22: error: missing terminating " character
   10 |         else cout << "No << endl;
      |                      ^~~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:11:1: error: expected primary-expression before '}' token
   11 | }
      | ^
Language: C

#include<stdio.h>
int main() {
        char s[101];
        scanf("%s",s);
        char t[102];
        scanf("%s",t);
        int len=strlen(s);
        int c=0;
        for (int i=0;i<len;i++)
        {
                if (s[i]==t[i])
                        c++;
        }
        if (c==len)
                printf("Yes\n");
        else
                printf("No\n");
}
~                                                                                                    
~                                                                                                    
~                                                                                                    
~                                                                                                    
~                                                                                                    
~                                                                                                    
~                                                                                                    
~                                                                                                    
~                                                                                                    
~                                                                                                    
~                                                                                                    
~                                                                                                    
~                                                                                                    
~                       

Compiler output:
main.c: In function 'main':
main.c:7:17: error: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
    7 |         int len=strlen(s);
      |                 ^~~~~~
main.c:2:1: note: include '<string.h>' or provide a declaration of 'strlen'
    1 | #include<stdio.h>
  +++ |+#include <string.h>
    2 | int main() {
main.c:7:17: warning: incompatible implicit declaration of built-in function 'strlen' [-Wbuiltin-declaration-mismatch]
    7 |         int len=strlen(s);
      |                 ^~~~~~
main.c:7:17: note: include '<string.h>' or provide a declaration of 'strlen'
main.c: At top level:
main.c:19:1: error: expected identifier or '(' before '~' token
   19 | ~
      | ^
Language: C++

using namespace std;

int main(void)
{
    string S, T;
    cin >> S >> T;

    if(S == T.substr(0, S.length())){
        cout << "Yes" << endl;
    }
    else {
        cout << "No" << endl;
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'string' was not declared in this scope
    5 |     string S, T;
      |     ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | using namespace std;
a.cc:6:5: error: 'cin' was not declared in this scope
    6 |     cin >> S >> T;
      |     ^~~
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:6:12: error: 'S' was not declared in this scope
    6 |     cin >> S >> T;
      |            ^
a.cc:6:17: error: 'T' was not declared in this scope
    6 |     cin >> S >> T;
      |                 ^
a.cc:9:9: error: 'cout' was not declared in this scope
    9 |         cout << "Yes" << endl;
      |         ^~~~
a.cc:9:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:9:26: error: 'endl' was not declared in this scope
    9 |         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 | using namespace std;
a.cc:12:9: error: 'cout' was not declared in this scope
   12 |         cout << "No" << endl;
      |         ^~~~
a.cc:12:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:12:25: error: 'endl' was not declared in this scope
   12 |         cout << "No" << endl;
      |                         ^~~~
a.cc:12:25: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: Java

import java.util*;

public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    String a = sc.next();
    String b = sc.next();
    String[] aa = new String[a.length()];
    String[] bb = new String[b.length()];
    int ans = 0;
    for(int i = 0; i < a.length(); i++){
      if (aa[i] != bb[i]) ans++;
    }
    System.out.println(ans == 1 ? "No" : "Yes");
  }
}

Compiler output:
Main.java:1: error: ';' expected
import java.util*;
                ^
1 error
Language: C++

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

 string S, T;
 void input() {
 cin >> S >> T;
 }

void solve() {
 T.pop_back();
 if(S == T) 
   cout << "Yes":
 else 
   cout << "No" ;
}
int main() {
input();
solve();
return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:12:17: error: expected ';' before ':' token
   12 |    cout << "Yes":
      |                 ^
      |                 ;
Language: C

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

 string S, T;
 void input() {
 cin >> S >> T;
 }

void solve() {
 T.pop_back();
 if(S == T) 
   cout << "Yes":
 else 
   cout << "No" ;
}
int main() {
input();
solve();
return 0;
}


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

import java.util.*;

public class Main{
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    String a = scan.next();
    String b = scan.next();
    for (int j = 0; j<a.length();j++){
      if (a.charAt(j)!=b.charAt(j)){
        System.out.println("No");
        return;
      }
    }
    System.out.println("Yes")
  }
}


Compiler output:
Main.java:14: error: ';' expected
    System.out.println("Yes")
                             ^
1 error
Language: C++

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

int main() {
  string s, t;
  cin >> s >> t;
  int N = s.size();
  bool atcoder = true;
  for (int i = 0; i < N; i++) {
    if (s.at(i) != t.at(i)) {
      atcoder = false;
    }
  }
  
  if (atcoer) {
    cout << "YES" << endl;
  }
  
  else {
    cout << "NO" << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:7: error: 'atcoer' was not declared in this scope; did you mean 'atcoder'?
   15 |   if (atcoer) {
      |       ^~~~~~
      |       atcoder
Language: C++

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

int main () {
  string s, t;
  cin >> s >> t;
  
  for (int i = 0; i < char s.size(); i++) {
    if (s.at(i) != t.at(i)){
      break;
    }
  
  
  	if (t.size() == i + 1) {
    cout << "TES" << endl;
    }
  
  	else {
    cout << "NO" << endl;
    }
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:23: error: expected primary-expression before 'char'
    8 |   for (int i = 0; i < char s.size(); i++) {
      |                       ^~~~
a.cc:8:22: error: expected ';' before 'char'
    8 |   for (int i = 0; i < char s.size(); i++) {
      |                      ^~~~~
      |                      ;
a.cc:8:23: error: expected primary-expression before 'char'
    8 |   for (int i = 0; i < char s.size(); i++) {
      |                       ^~~~
a.cc:8:22: error: expected ')' before 'char'
    8 |   for (int i = 0; i < char s.size(); i++) {
      |       ~              ^~~~~
      |                      )
a.cc:8:29: error: expected initializer before '.' token
    8 |   for (int i = 0; i < char s.size(); i++) {
      |                             ^
a.cc:8:38: error: 'i' was not declared in this scope
    8 |   for (int i = 0; i < char s.size(); i++) {
      |                                      ^
Language: C++

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

int main () {
  string s, t;
  cin >> s >> t;
  
  for (int i = 0; i < s.size()) {
    if (s.at(i) != t.at(i)){
      break;
    }
  }
  
  if (t.size() == i + 1) {
    cout << "TES" << endl;
  }
  
  else {
    cout << "NO" << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:31: error: expected ';' before ')' token
    8 |   for (int i = 0; i < s.size()) {
      |                               ^
      |                               ;
a.cc:14:19: error: 'i' was not declared in this scope
   14 |   if (t.size() == i + 1) {
      |                   ^
Language: C++

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

int main () {
  string S, T;
  cin >> S >> T;
  
  for (int i = 0; i < S.size(); i++) {
    if (S.at(i) != T.at(i)) {
    break;  
    }
  }
  
  if (i == S.size()) {
    cout << "YES" << endl;
  }
  
  else {
    cout << "NO" << endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:7: error: 'i' was not declared in this scope
   14 |   if (i == S.size()) {
      |       ^
Language: C++

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

int main () {
  string S, T;
  cin >> S >> T;
  
  for (int i = 0; i < s.size(); i++) {
    if (S.at(i) != T.at(i)) {
    break;  
    }
  }
  
  if (i == S.size()) {
    cout << "YES" << endl;
  }
  
  else {
    cout << "NO" << endl;
  }
}
  
    
    
      

Compiler output:
a.cc: In function 'int main()':
a.cc:8:23: error: 's' was not declared in this scope
    8 |   for (int i = 0; i < s.size(); i++) {
      |                       ^
a.cc:14:7: error: 'i' was not declared in this scope
   14 |   if (i == S.size()) {
      |       ^
Language: C++

1 #include <bits/stdc++.h>
2 using namespace std;
3
4 string S, T;
5 void input() {
6 cin >> S >> T;
7 }
8
9 void solve() {
10 T.pop_back();
11 if(S == T) cout << "Yes" << endl;
12 else cout << "No" << endl;
13 }
14
15 int main() {
16 input();
17 solve();
18 return 0;
19 }

Compiler output:
a.cc:1:3: error: stray '#' in program
    1 | 1 #include <bits/stdc++.h>
      |   ^
a.cc:1:1: error: expected unqualified-id before numeric constant
    1 | 1 #include <bits/stdc++.h>
      | ^
a.cc:3:1: error: expected unqualified-id before numeric constant
    3 | 3
      | ^
a.cc:5:1: error: expected unqualified-id before numeric constant
    5 | 5 void input() {
      | ^
a.cc:8:1: error: expected unqualified-id before numeric constant
    8 | 8
      | ^
a.cc:14:1: error: expected unqualified-id before numeric constant
   14 | 14
      | ^~
Language: C++

#include <bits/sctc++.h>
#include <iostream>

using namespace std;

int main() {
	
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    
    string s, t; cin >> s >> t;
    int len = s.length();
    int tlen = t.length();
    if(tlen <= len){
        cout << "No";
        return 0;
    }
    for(int i = 0; i < len; ++i){
        if(s[i] != t[i]){
            cout << "No";
            return 0;
        }
    }
    cout << "Yes";
	
	return 0;
}

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

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

int main()
{
    string a, b;
    cin >> a  >> b;
    if(a==b.substr(0, b.size()-1) cout << "Yes";
       else cout << "No";
       cout << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:34: error: expected ';' before 'cout'
    8 |     if(a==b.substr(0, b.size()-1) cout << "Yes";
      |                                  ^~~~~
      |                                  ;
a.cc:8:9: warning: ignoring return value of 'bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&) [with _CharT = char; _Traits = char_traits<char>; _Alloc = allocator<char>]', declared with attribute 'nodiscard' [-Wunused-result]
    8 |     if(a==b.substr(0, b.size()-1) cout << "Yes";
      |        ~^~~~~~~~~~~~~~~~~~~~~~~~~
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:3755:5: note: declared here
 3755 |     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
a.cc:9:8: error: expected primary-expression before 'else'
    9 |        else cout << "No";
      |        ^~~~
a.cc:8:49: error: expected ')' before 'else'
    8 |     if(a==b.substr(0, b.size()-1) cout << "Yes";
      |       ~                                         ^
      |                                                 )
    9 |        else cout << "No";
      |        ~~~~
Language: C++

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


int main() {
   string S ,T;
cin >>S >>T;
  T.pop_back();
if (S==t) cout<<"Yes"<<endl;
else  {cout <<"No"<<endl;}
  // ここにプログラムを追記
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:8: error: 't' was not declared in this scope
   10 | if (S==t) cout<<"Yes"<<endl;
      |        ^
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <string>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <iomanip>
#include <utility>
#include <tuple>
#include <functional>
#include <bitset>
#include <cassert>
#include <complex>
#include <stdio.h>
#include <time.h>
#include <numeric>
#include <unordered_map>
#include <unordered_set>
# define ll int64_t
# define str string
# define rep(i,n) for(ll i=0;i<n;i++)
# define rrep(i,n) for(ll i=1;i<=n;i++)
# define ALL(x) (x).begin(), (x).end()
# define SZ(x) ((int)(x).size())
# define pb push_back
# define mod 1000000007
# define PI 3.141592653589793
# define vec vector
#define dump(x) cerr<<#x<<"="<<x<<endl
using namespace std;

#define INF 2000000000
#define MAX_V 10

const ll MAX = 510000;
const ll MOD = 1000000007;
 
ll 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 (ll 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
ll COM(ll n, ll k){
    if (n < k) return 0;
    if (n < 0 || k < 0) return 0;
    return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;
}

bool compare_by_b(pair<string,ll> a,pair<string,ll> b){
    if(a.second != b.second) return a.second<b.second;
    else return a.first<b.first;
}

bool my_compare(pair<string,ll> a,pair<string,ll> b){
    if(a.first != b.first) return a.first<b.first;
    if(a.second != b.second) return a.second>b.second;
    else return true;
}

ll modpow(ll a,ll n,ll mod1) {
    ll res=1;
    while(n>0){
        if(n&1) res=res*a%mod1;
        a = a*a%mod1;
        n >>= 1;
    }
    return res;
}

ll factorial(ll n){
    ll x=1;
    rrep(i,n) (x*=i)%=mod;
    return x;
}

ll gcd(ll a,ll b){
   if (a%b == 0) return(b);
   else return(gcd(b,a%b));
}

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

struct Info{
    Info(ll arg_to,ll arg_cost){
        to = arg_to;
        cost = arg_cost;
    }
    bool operator<(const struct Info &arg) const{
            return cost > arg.cost;
    };
    ll to,cost;
};



int main(){
   str S ,T,t=T.pop_back();
cin >>S >>T;
if ('S'=='t') cout<<"Yes"<<endl;
else  {cout <<"No"<<endl;}
}




Compiler output:
a.cc: In function 'int main()':
a.cc:112:25: error: conversion from 'void' to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
  112 |    str S ,T,t=T.pop_back();
      |               ~~~~~~~~~~^~
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <string>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <iomanip>
#include <utility>
#include <tuple>
#include <functional>
#include <bitset>
#include <cassert>
#include <complex>
#include <stdio.h>
#include <time.h>
#include <numeric>
#include <unordered_map>
#include <unordered_set>
# define ll int64_t
# define str string
# define rep(i,n) for(ll i=0;i<n;i++)
# define rrep(i,n) for(ll i=1;i<=n;i++)
# define ALL(x) (x).begin(), (x).end()
# define SZ(x) ((int)(x).size())
# define pb push_back
# define mod 1000000007
# define PI 3.141592653589793
# define vec vector
#define dump(x) cerr<<#x<<"="<<x<<endl
using namespace std;

#define INF 2000000000
#define MAX_V 10

const ll MAX = 510000;
const ll MOD = 1000000007;
 
ll 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 (ll 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
ll COM(ll n, ll k){
    if (n < k) return 0;
    if (n < 0 || k < 0) return 0;
    return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;
}

bool compare_by_b(pair<string,ll> a,pair<string,ll> b){
    if(a.second != b.second) return a.second<b.second;
    else return a.first<b.first;
}

bool my_compare(pair<string,ll> a,pair<string,ll> b){
    if(a.first != b.first) return a.first<b.first;
    if(a.second != b.second) return a.second>b.second;
    else return true;
}

ll modpow(ll a,ll n,ll mod1) {
    ll res=1;
    while(n>0){
        if(n&1) res=res*a%mod1;
        a = a*a%mod1;
        n >>= 1;
    }
    return res;
}

ll factorial(ll n){
    ll x=1;
    rrep(i,n) (x*=i)%=mod;
    return x;
}

ll gcd(ll a,ll b){
   if (a%b == 0) return(b);
   else return(gcd(b,a%b));
}

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

struct Info{
    Info(ll arg_to,ll arg_cost){
        to = arg_to;
        cost = arg_cost;
    }
    bool operator<(const struct Info &arg) const{
            return cost > arg.cost;
    };
    ll to,cost;
};



int main(){
   str S ,T,t=t.pop_back();
cin >>S >>T;
if ('S'=='t')cout<<"Yes"<<endl;
else if {cout <<"No"<<endl;}
}



Compiler output:
a.cc: In function 'int main()':
a.cc:112:25: error: conversion from 'void' to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
  112 |    str S ,T,t=t.pop_back();
      |               ~~~~~~~~~~^~
a.cc:115:9: error: expected '(' before '{' token
  115 | else if {cout <<"No"<<endl;}
      |         ^
      |         (
Language: C++

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <string>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <iomanip>
#include <utility>
#include <tuple>
#include <functional>
#include <bitset>
#include <cassert>
#include <complex>
#include <stdio.h>
#include <time.h>
#include <numeric>
#include <unordered_map>
#include <unordered_set>
# define ll int64_t
# define str string
# define rep(i,n) for(ll i=0;i<n;i++)
# define rrep(i,n) for(ll i=1;i<=n;i++)
# define ALL(x) (x).begin(), (x).end()
# define SZ(x) ((int)(x).size())
# define pb push_back
# define mod 1000000007
# define PI 3.141592653589793
# define vec vector
#define dump(x) cerr<<#x<<"="<<x<<endl
using namespace std;

#define INF 2000000000
#define MAX_V 10

const ll MAX = 510000;
const ll MOD = 1000000007;
 
ll 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 (ll 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
ll COM(ll n, ll k){
    if (n < k) return 0;
    if (n < 0 || k < 0) return 0;
    return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;
}

bool compare_by_b(pair<string,ll> a,pair<string,ll> b){
    if(a.second != b.second) return a.second<b.second;
    else return a.first<b.first;
}

bool my_compare(pair<string,ll> a,pair<string,ll> b){
    if(a.first != b.first) return a.first<b.first;
    if(a.second != b.second) return a.second>b.second;
    else return true;
}

ll modpow(ll a,ll n,ll mod1) {
    ll res=1;
    while(n>0){
        if(n&1) res=res*a%mod1;
        a = a*a%mod1;
        n >>= 1;
    }
    return res;
}

ll factorial(ll n){
    ll x=1;
    rrep(i,n) (x*=i)%=mod;
    return x;
}

ll gcd(ll a,ll b){
   if (a%b == 0) return(b);
   else return(gcd(b,a%b));
}

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

struct Info{
    Info(ll arg_to,ll arg_cost){
        to = arg_to;
        cost = arg_cost;
    }
    bool operator<(const struct Info &arg) const{
            return cost > arg.cost;
    };
    ll to,cost;
};



int main(){
   str S ,T,t=t.pop_back()
cin >>S >>T;
if ('S'=='t')cout<<"Yes"<<endl;
else if {cout <<"No"<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:112:25: error: conversion from 'void' to non-scalar type 'std::string' {aka 'std::__cxx11::basic_string<char>'} requested
  112 |    str S ,T,t=t.pop_back()
      |               ~~~~~~~~~~^~
a.cc:113:1: error: expected ',' or ';' before 'cin'
  113 | cin >>S >>T;
      | ^~~
a.cc:115:9: error: expected '(' before '{' token
  115 | else if {cout <<"No"<<endl;
      |         ^
      |         (
a.cc:116:2: error: expected '}' at end of input
  116 | }
      |  ^
a.cc:111:11: note: to match this '{'
  111 | int main(){
      |           ^
Language: C++

#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define repr(i, n) for(int i = ((int)(n) - 1); i >= 0; i--)
#define repn(i, n) for(int i = 1; i <= (int)(n); i++)
#define reprn(i, n) for(int i = ((int)(n)); i > 0; i--)
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define LARGE_PRIME_NUM (1e9+7)
typedef long long ll;

#include <iostream>
#include <array>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <numeric>
#include <cmath>

using namespace std;

int main() {
	string s, t;
	cin >> s >> t;
	string ans = s == t.pop_back ? "Yes" : "No";
	cout << ans << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:24: error: invalid use of non-static member function 'void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::pop_back() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
   24 |         string ans = s == t.pop_back ? "Yes" : "No";
      |                      ~~^~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:54,
                 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:10:
/usr/include/c++/14/bits/basic_string.h:2174:7: note: declared here
 2174 |       pop_back() noexcept
      |       ^~~~~~~~
Language: C++



#include <iostream>
#include <string>

int main()
{
    std::string First, Second;

    std::cin >> First >> Second;

    if (First.length() + 1 != Second.length())
    {
        std::cout << "No" << std::endl;

        return;
    }

    std::string::size_type isPlusChar = Second.find(First);

    std::string judge = isPlusChar != std::string::npos ? "Yes" : "No";

    std::cout << judge << std::endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:16:9: error: return-statement with no value, in function returning 'int' [-fpermissive]
   16 |         return;
      |         ^~~~~~