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

#include<stdio.h>
#include<string.h>
int main(){
int K,a=0;
char S[100];
  scanf("%d",&K);
  fflush(stdin);
  gets(S);
  for(i=0;i<strlen(S);i++){
  if(S[i]>="a"&&S[i]<="z")
    a=1;
  }
  if(strlen(S)>=K&&a=1)
    printf("%s",S);
  else if(strlen(S)>K){
    strcat(S,"...");
    printf("%s",S);}
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:3: error: implicit declaration of function 'gets'; did you mean 'fgets'? [-Wimplicit-function-declaration]
    8 |   gets(S);
      |   ^~~~
      |   fgets
main.c:9:7: error: 'i' undeclared (first use in this function)
    9 |   for(i=0;i<strlen(S);i++){
      |       ^
main.c:9:7: note: each undeclared identifier is reported only once for each function it appears in
main.c:13:21: error: lvalue required as left operand of assignment
   13 |   if(strlen(S)>=K&&a=1)
      |                     ^
Language: C++

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

int main(){
  int k;
  string s.subs;
  cin >> k;
  cin >> s;
  if(s.length() <= k){
    cout << s << endl;
  }else{
    subs = s.substr(0,k-1);
    cout << subs + "..." << endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:11: error: expected initializer before '.' token
   11 |   string s.subs;
      |           ^
a.cc:13:10: error: 's' was not declared in this scope
   13 |   cin >> s;
      |          ^
a.cc:17:5: error: 'subs' was not declared in this scope
   17 |     subs = s.substr(0,k-1);
      |     ^~~~
Language: C++

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

using namespace std;

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

  if (S.length()=<N) cout<<S<<endl;
  else{
    cout << S.substr(0,N) << "..." <<endl;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:18: error: expected primary-expression before '<' token
   12 |   if (S.length()=<N) cout<<S<<endl;
      |                  ^
Language: C++

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

int main() {
    int K;
    char S;
    
    cin >> K >> S;

    int size = S.size()

    if(size <= K){
        cout >> S >> endl;
    }else{
        cout >> S.erase(K) >> "..."
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:18: error: request for member 'size' in 'S', which is of non-class type 'char'
   10 |     int size = S.size()
      |                  ^~~~
Language: Java

import java.util.Scanner;

public class TripleDots {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int k = scanner.nextInt();
      String s = scanner.next();

      if( s.length() <= k ) {
          System.out.println( s );
      }else if( s.length() > k ) {
          String sk = s.substring( 0 , k );
          System.out.println( sk + "...");
      }


      scanner.close();
    }

}

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

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

int main(){
  int k;
  string s;
  cin >> k;
  cin >> s;
  a=s.size();
  if(a<=k)
    cout << s << endl;
  else{
    for(int i=0;i<k;i++)
      cout << s.at(i);
    cout << "..." << endl;
  }
}
  


Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'a' was not declared in this scope
    9 |   a=s.size();
      |   ^
Language: C

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

int main(void)
{
  int k;
  int i;
  char s[];
  char s2[];
  scanf("%d", &k);
  scanf("%s", s);
  for(i=0; i<k; i++){
    s2[i]=s[i];
  }
  printf("%s%s%s", s2, "...");
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:8:8: error: array size missing in 's'
    8 |   char s[];
      |        ^
main.c:9:8: error: array size missing in 's2'
    9 |   char s2[];
      |        ^~
Language: C++

#include <cmath>
using ll = long long;
using namespace std;
  
  
int main() { 
  int k; cin >> k; string s; cin >> s;
  if(s.size() <= k){
    cout << s << endl;
    return 0;
  }
  else{
    for(int i=0; i<k;i++)
      cout << s.at(i);
    cout << "..." <<endl;
    return 0;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: 'cin' was not declared in this scope
    7 |   int k; cin >> k; string s; cin >> s;
      |          ^~~
a.cc:2:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    1 | #include <cmath>
  +++ |+#include <iostream>
    2 | using ll = long long;
a.cc:7:20: error: 'string' was not declared in this scope
    7 |   int k; cin >> k; string s; cin >> s;
      |                    ^~~~~~
a.cc:2:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
    1 | #include <cmath>
  +++ |+#include <string>
    2 | using ll = long long;
a.cc:7:37: error: 's' was not declared in this scope
    7 |   int k; cin >> k; string s; cin >> s;
      |                                     ^
a.cc:9:5: error: 'cout' was not declared in this scope
    9 |     cout << s << endl;
      |     ^~~~
a.cc:9:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:9:18: error: 'endl' was not declared in this scope
    9 |     cout << s << endl;
      |                  ^~~~
a.cc:2:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
    1 | #include <cmath>
  +++ |+#include <ostream>
    2 | using ll = long long;
a.cc:14:7: error: 'cout' was not declared in this scope
   14 |       cout << s.at(i);
      |       ^~~~
a.cc:14:7: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:15:5: error: 'cout' was not declared in this scope
   15 |     cout << "..." <<endl;
      |     ^~~~
a.cc:15:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:15:21: error: 'endl' was not declared in this scope
   15 |     cout << "..." <<endl;
      |                     ^~~~
a.cc:15:21: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

#include <bits/stdc++.h>
using namespace std;
//typedef
typedef long long ll;
typedef vector<int> vi;
typedef vector<string> vs;
//define
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i,n)  FOR(i,0,n)

int main(){
    int k;
    string s;
    cin >> k >> s ;

    vi t(k+3);
   
   if(s.length() <= k){
       cout << s << endl;
   }else{
       rep(i,k) t.at(i) = s.at(i);
       rep(i,3) t.at(k+i) = ".";
       rep(i,k+3) cout << t.at(i);
   }

 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:22:29: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} [-fpermissive]
   22 |        rep(i,3) t.at(k+i) = ".";
      |                             ^~~
      |                             |
      |                             const char*
Language: C++

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

int main(){
  int k;
  string s;
  cin >> k;
  cin >> s;
  a=string.size();
  if(a<=k)
    cout << s << endl;
  else{
    for(int i=0;i<k;i++)
      cout << s.at(i);
    cout << "..." << endl;
  }
}
  

Compiler output:
a.cc: In function 'int main()':
a.cc:9:3: error: 'a' was not declared in this scope
    9 |   a=string.size();
      |   ^
a.cc:9:11: error: expected primary-expression before '.' token
    9 |   a=string.size();
      |           ^
Language: C++

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

int main() {
    
  int K,s;
  string S;
  cin >> K >> S;
  s = S.size();
  if (K >= s){
    cout << S << endl;
  }else{
    for (int i=0; i<K; i++) cout << S.at();
    cout << "..."<< endl;
  }
  
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:41: error: no matching function for call to 'std::__cxx11::basic_string<char>::at()'
   13 |     for (int i=0; i<K; i++) cout << S.at();
      |                                     ~~~~^~
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:1287:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_reference std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::at(size_type) const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; const_reference = const char&; size_type = long unsigned int]'
 1287 |       at(size_type __n) const
      |       ^~
/usr/include/c++/14/bits/basic_string.h:1287:7: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/bits/basic_string.h:1309:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::reference std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::at(size_type) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; reference = char&; size_type = long unsigned int]'
 1309 |       at(size_type __n)
      |       ^~
/usr/include/c++/14/bits/basic_string.h:1309:7: note:   candidate expects 1 argument, 0 provided
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() 
{
    
    int K;
    cin >> K;
    string S;
    cin >> S;
    if (K >= S.size()) {
        cout << S << endl;
    }else{
        string str = S.substr(0, K);
        str += "...";
        cout << str << endl;
    }
}
#include <bits/stdc++.h>
using namespace std;
 
int main() 
{
    
    int K;
    cin >> K;
    string S;
    cin >> S;
    if (K >= S.size()) {
        cout << S << endl;
    }else{
        string str = S.substr(0, K);
        str += "...";
        cout << str << endl;
    }
}


Compiler output:
a.cc:22:5: error: redefinition of 'int main()'
   22 | int main()
      |     ^~~~
a.cc:4:5: note: 'int main()' previously defined here
    4 | int main()
      |     ^~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int K;
  char S[101] *p;
  cin >> K >> S;
  for(p=S;*p!='\0';K--,p++){
    if(!K){
      cout << "...";
      return 0;
    }
    putchar(*p);
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:15: error: expected initializer before '*' token
    5 |   char S[101] *p;
      |               ^
a.cc:6:15: error: 'S' was not declared in this scope
    6 |   cin >> K >> S;
      |               ^
a.cc:7:7: error: 'p' was not declared in this scope
    7 |   for(p=S;*p!='\0';K--,p++){
      |       ^
Language: Java

package Atcoder;
import java.util.Scanner;

public class Beginner {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner keyboard=new Scanner(System.in);
		String S;
		int K=keyboard.nextInt();
		S=keyboard.next();
		if(S.length()>K){
			System.out.println(S.substring(0,K)+"...");
		}else{
			System.out.println(S);
		}
	}

}


Compiler output:
Main.java:4: error: class Beginner is public, should be declared in a file named Beginner.java
public class Beginner {
       ^
1 error
Language: Java

#include<iostream>
#include<cstring>
using namespace std;
int main(){
  int n;
  cin>>n;
  cin.ignore();
  string s;
  getline(cin,s);
  int len = s.size();
  if(len==n){
    cout<<s<<endl;
    return 0;
}
  else{
    int i=0;
    while(i<len){
      cout<<s[i];
      i++;
    }
  }
    cout<<"...";
 return 0; 
}

Compiler output:
Main.java:1: error: illegal character: '#'
#include<iostream>
^
Main.java:2: error: illegal character: '#'
#include<cstring>
^
Main.java:6: error: not a statement
  cin>>n;
     ^
Main.java:12: error: not a statement
    cout<<s<<endl;
           ^
Main.java:18: error: not a statement
      cout<<s[i];
          ^
Main.java:22: error: not a statement
    cout<<"...";
        ^
Main.java:4: error: unnamed classes are a preview feature and are disabled by default.
int main(){
^
  (use --enable-preview to enable unnamed classes)
7 errors
Language: C++

#include<bits/stdc++.h>
using namespace std;
 
int main() {
  int k;
  string s;
  cin>>k;
  cin>>s;
  if(s.length>k){
    for(int i(0);i<7;i++)	cout<<s[i];
    cout<<"...";
  }
  else	cout<<s;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:8: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
    9 |   if(s.length>k){
      |      ~~^~~~~~
      |              ()
Language: C++

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

int main(){
  int K ;
  cin >> K ;
  string S ;
  cin >> S ;
  int a = S.size();
  if(a<=K) cout << S << endl;
  else {
    string b = S.substr(0,K);
    cout << b;... << endl;
  }
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:15: error: expected primary-expression before '...' token
   13 |     cout << b;... << endl;
      |               ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  ink k, Size_s;
  string s;
  cin >> k >> s;
  Size_s = (int) s.size();
  if(Size_s <= k) cout << s << endl;
  else{
    cout << s.substr(0, k) << "..." << flush;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'ink' was not declared in this scope; did you mean 'link'?
    4 |   ink k, Size_s;
      |   ^~~
      |   link
a.cc:6:10: error: 'k' was not declared in this scope
    6 |   cin >> k >> s;
      |          ^
a.cc:7:3: error: 'Size_s' was not declared in this scope; did you mean 'size_t'?
    7 |   Size_s = (int) s.size();
      |   ^~~~~~
      |   size_t
Language: C++

#include <bits/stdc++.h>
using namespace std;
//typedef
typedef long long ll;
typedef vector<int> vi;
typedef vector<string> vs;
//define
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i,n)  FOR(i,0,n)

int main(){
    int k;
    string s;
    cin >> k >> s ;

    vi t(k+3);
   
   if(s.length <= k){
       cout << s << endl;
   }else{
       rep(i,k) t.at(i) = s.at(i);
       rep(i,3) t.at(k+i) = "."
       rep(i,k+3) cout << t.at(i);
   }

 return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:9: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::length() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   18 |    if(s.length <= k){
      |       ~~^~~~~~
      |               ()
a.cc:22:29: error: invalid conversion from 'const char*' to '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} [-fpermissive]
   22 |        rep(i,3) t.at(k+i) = "."
      |                             ^~~
      |                             |
      |                             const char*
a.cc:22:32: error: expected ';' before 'for'
   22 |        rep(i,3) t.at(k+i) = "."
      |                                ^
      |                                ;
a.cc:23:12: error: 'i' was not declared in this scope
   23 |        rep(i,k+3) cout << t.at(i);
      |            ^
a.cc:8:34: note: in definition of macro 'FOR'
    8 | #define FOR(i,a,b) for(int i=(a);i<(b);++i)
      |                                  ^
a.cc:23:8: note: in expansion of macro 'rep'
   23 |        rep(i,k+3) cout << t.at(i);
      |        ^~~
Language: C++

#include <iostream>
using namespace std;

int main(){
    int n;cin>>n; 
    string s;cin>>s; n = min(n,s.length());
  
    for(int i=0;i<s.length();++i){
        if(i<n)cout<<s[i];else cout<<".";
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:6:29: error: no matching function for call to 'min(int&, std::__cxx11::basic_string<char>::size_type)'
    6 |     string s;cin>>s; n = min(n,s.length());
      |                          ~~~^~~~~~~~~~~~~~
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:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:6:29: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'})
    6 |     string s;cin>>s; n = min(n,s.length());
      |                          ~~~^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
Language: C++

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

int main(){
  int K ;
  cin >> K ;
  string S ;
  cin >> S ;
  int a = S.size();
  if(a<=K) cout << S << endl;
  else {
    string b = S.substr(0,K);
    cout << b... << endl;
  }
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:14: error: expected ';' before '...' token
   13 |     cout << b... << endl;
      |              ^~~
      |              ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
inline int read()
{
	int n=0;bool b=0;char c=getchar();
	while(c<'0'||c>'9'){if(c=='-')b=1;c=getchar();}
	while(c>='0'&&c<='9')n=(n<<3)+(n<<1)+(c^48),c=getchar();
	return b?-n:n;
}

int k;

char c[110];

main()
{
	k=read();
	cin>>s;
	if(s.size()<=k)cout<<s;
	else
	{
		for(int i=0;i<k;++i)putchar(s[i]);
		puts("...");
	}
	return 0;
}


Compiler output:
a.cc:15:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   15 | main()
      | ^~~~
a.cc: In function 'int main()':
a.cc:18:14: error: 's' was not declared in this scope
   18 |         cin>>s;
      |              ^
Language: C++

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

int main() {
  int K,N;
  string S;
  cin >> K >> S;
  N = S.size()
  if(K == N){
    cout << S << endl;
  }else{
    for(int i = 0;i < K-1;i++){
      cout << S.at(i);
    }
    cout << "..." << endl;
  }
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:15: error: expected ';' before 'if'
    8 |   N = S.size()
      |               ^
      |               ;
    9 |   if(K == N){
      |   ~~           
a.cc:11:4: error: 'else' without a previous 'if'
   11 |   }else{
      |    ^~~~
Language: C

k=int(input())
s=input()
if(len(s)<=k):
  print(s)
else:
  print(s[0:k]+"...")

Compiler output:
main.c:1:1: warning: data definition has no type or storage class
    1 | k=int(input())
      | ^
main.c:1:1: error: type defaults to 'int' in declaration of 'k' [-Wimplicit-int]
main.c:1:3: error: expected expression before 'int'
    1 | k=int(input())
      |   ^~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define vite ios_base::sync_with_stdio(false); cin.tie(NULL);
int main()
{
    vite;
    int t, k;
    char s[150],l[150];
    cin >> k >> s;
    strncpy(l, s, k);
    for (int i = k; i < k + 3;i++)
        l[i] = '.';
        j[k+3] = '\0';
    cout << l;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:9: error: 'j' was not declared in this scope
   13 |         j[k+3] = '\0';
      |         ^
Language: C++

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

int main(){
  int K ;
  cin >> K ;
  string S ;
  cin >> S ;
  int a = S.size();
  if(a<=K) cout << S << endl;
  else {
    string b = S.substr(0,K);
    cout << b ;
    cout << ... ;
  }
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:9: error: expected ';' before '<<' token
   14 |     cout << ... ;
      |         ^~~
      |         ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
 
#define fi              first
#define se              second
#define ll             long long
#define pb              push_back
#define mp              make_pair
#define pll             pair<ll,ll>
#define vll              vector<int>
#define mll             map<ll,ll>
#define pqg             priority_queue<ll>
#define pqs             priority_queue<ll,vll,greater<ll> >
#define setbits(x)      __builtin_popcountll(x)
#define zrobits(x)      __builtin_ctzll(x)
#define md             1000000007
#define inf             1e18
#define ps(x,y)         fixed<<setprecision(y)<<x
#define mk(arr,n,type)  type *arr=new type[n];
#define w(x)            ll x; cin>>x; while(x--)
 
#define IJ \
    freopen("input.txt", "r", stdin); 
#define OJ \
    freopen("output.txt", "w", stdout);
#define FIO ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
 
int main()
{
    //IJ; OJ; 
    FIO;
    int a,a1;
    cin>>a;
  string s;
  cin>>s;
  int t1=s.length();
  if(t1>k)
    cout<<s.substr(0,k-1)<<"...";
  else
    cout<<s;
    return 0;
} 

Compiler output:
a.cc: In function 'int main()':
a.cc:37:9: error: 'k' was not declared in this scope
   37 |   if(t1>k)
      |         ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  ink k, size_s;
  string s;
  cin >> k >> s;
  size_s = (int) s.size();
  if(size_s <= k) cout << s << endl;
  else{
    cout << s.substr(0, k) << "..." << flush;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:3: error: 'ink' was not declared in this scope; did you mean 'link'?
    4 |   ink k, size_s;
      |   ^~~
      |   link
a.cc:6:10: error: 'k' was not declared in this scope
    6 |   cin >> k >> s;
      |          ^
a.cc:7:3: error: 'size_s' was not declared in this scope; did you mean 'size_t'?
    7 |   size_s = (int) s.size();
      |   ^~~~~~
      |   size_t
Language: Java

import java.util.Scanner;

public class main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int k = sc.nextInt();
		String s = sc.next();

		if(k < s.length()) {
			s = s.substring(0, k);
			System.out.println(s + "...");
		}else {
			System.out.println(s);
		}
	}
}

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

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

#define MAX 100

int main(void) {
  int k, i;
  char s[MAX];
  
  for (i = 0; i < MAX; i++) {
    s[i] = '\0';
  } 
  
  scanf("%d", &k);
  scanf("%s", s);
  
  if (strlen(s) <= k) {
    printf("%s\n", s);
  } else {
    for (i = 0; i < k; i++) {
      printf("%c", s[i]);
    } 
    printf("...\n");

  return 0;
} 


Compiler output:
main.c: In function 'main':
main.c:26:1: error: expected declaration or statement at end of input
   26 | }
      | ^
Language: C++

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

int main(){
  int K;
  cin >> k;
  string s;
  cin >> s;
  
  if(s.size() <= K){
    cout << s << endl;
  }
  else{
  	for(int i = 0; i < K; i++){
      cout << s[i];
  	}
    cout << "..." << endl;
  }
  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:10: error: 'k' was not declared in this scope
    7 |   cin >> k;
      |          ^
Language: Java

import java.io.*;

public class Mine {
    public static void main(String [] args) {
        try {
            BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
            int k = Integer.parseInt(in.readLine());
            String s = in.readLine();
            if (s.length() <= k) {
                System.out.print(s);
            } else {
                System.out.print(s.substring(0, k) + "...");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

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

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
template <typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

#define pb                push_back
#define int               long long
#define M                 1000000007
#define mod                998244353
#define popf              pop_front
#define popb              pop_back
#define fi                first
#define se                second
#define vc                vector
#define pii               pair<int,int>
#define msi               map<string,int>
#define mii               map<int,int>
#define psi               pair<string,int>
#define pis               pair<int,string>
#define piii              pair<int,pii>
#define f(i,a,b)           for(int i=a;i<b;i++)
#define fd(i,a,b)          for(int i=a;i>=b;i--)
float pd(float n, float a) 
{ 
  
    // Side and side length cannot be negative 
    if (a < 0 && n < 0) 
        return -1; 
  
    // diagonal 
    // degree converted to radians 
    return 2 * a * sin((((n - 2) * 180) / (2 * n)) * 3.14159 / 180); 
} 
      signed main() {
    
           int t=1;
          //cin>>t;
           while(t--)
           {
                   
                        int n,k,w,sum=0,mx=-M;
                     int a1=0,b1=0,xx=0;
                     int n0=0,n1=0,n2=0;
                     string s;
                     cin>>k
                    cin>>s;
                    n=s.length();
                    if(n<=k)cout<<s;
                    else {
                    	cout<<s;
                    	cout<<"...";
                    }



} 



    } 

Compiler output:
a.cc: In function 'int main()':
a.cc:48:28: error: expected ';' before 'cin'
   48 |                      cin>>k
      |                            ^
      |                            ;
   49 |                     cin>>s;
      |                     ~~~
Language: C++

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

int main() {
  int k;
  cin >> k ;
  
  string s;
  cin >> s;
  
  int size = s.size();
  
  string ans;
  
  if(size<=k)
    ans = s;#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
using P = pair<int,int>;

int main() {
  int k;
  cin >> k ;
  
  string s;
  cin >> s;
  
  int size = s.size();
  
  string ans;
  
  if(size<=k)
    ans = s;
  else{
    s.erase(k);
    ans = s+"...";
  }
  
  cout << ans << endl;
  
  return 0;
}
  else{
    s.erase(k+1);
    ans = s+"...";
  }
  
  cout << ans << endl;
  
  return 0;
}

Compiler output:
a.cc:19:13: error: stray '#' in program
   19 |     ans = s;#include <bits/stdc++.h>
      |             ^
a.cc: In function 'int main()':
a.cc:19:14: error: 'include' was not declared in this scope
   19 |     ans = s;#include <bits/stdc++.h>
      |              ^~~~~~~
a.cc:19:23: error: 'bits' was not declared in this scope
   19 |     ans = s;#include <bits/stdc++.h>
      |                       ^~~~
a.cc:19:28: error: 'stdc' was not declared in this scope; did you mean 'std'?
   19 |     ans = s;#include <bits/stdc++.h>
      |                            ^~~~
      |                            std
a.cc:21:1: error: expected primary-expression before 'using'
   21 | using namespace std;
      | ^~~~~
a.cc:25:9: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   25 | int main() {
      |         ^~
a.cc:25:9: note: remove parentheses to default-initialize a variable
   25 | int main() {
      |         ^~
      |         --
a.cc:25:9: note: or replace parentheses with braces to value-initialize a variable
a.cc:25:12: error: a function-definition is not allowed here before '{' token
   25 | int main() {
      |            ^
a.cc:47:3: error: 'else' without a previous 'if'
   47 |   else{
      |   ^~~~
Language: C

#inlcude<stdio.h>
#include<string.h>
int main()
{
  int k;
  char s[101];
  scanf("%d",&k);
  scanf("%s",s);
  int store=strlen(s);
  if(store==k)
    printf("s\n");
  else
  {
    char str[k+4];
    int i;
    for(i=0;i<k;i++)
    {
      str[i]=s[i];
    }
    int j=0;
    while(j<3)
    {
      str[i]='.';
      i++;j++;
    }
    printf("%s\n",str);
  }
}

Compiler output:
main.c:1:2: error: invalid preprocessing directive #inlcude; did you mean #include?
    1 | #inlcude<stdio.h>
      |  ^~~~~~~
      |  include
main.c: In function 'main':
main.c:7:3: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    7 |   scanf("%d",&k);
      |   ^~~~~
main.c:3:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
    2 | #include<string.h>
  +++ |+#include <stdio.h>
    3 | int main()
main.c:7:3: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    7 |   scanf("%d",&k);
      |   ^~~~~
main.c:7:3: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:11:5: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
   11 |     printf("s\n");
      |     ^~~~~~
main.c:11:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:11:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:11:5: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:26:5: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
   26 |     printf("%s\n",str);
      |     ^~~~~~
main.c:26:5: note: include '<stdio.h>' or provide a declaration of 'printf'
Language: Java


import java.util.*;


public class Solution {


    public static void main(String[] args) {
       Scanner sc=new Scanner(System.in);
       int n=sc.nextInt();
       String s=sc.next();
       if(s.length()>n)
       {
           for(int i=0;i<n;i++)
           {
               System.out.print(s.charAt(i));

           }
           System.out.print("...");
       }
       else
       System.out.print(s);

}
}


Compiler output:
Main.java:5: error: class Solution is public, should be declared in a file named Solution.java
public class Solution {
       ^
1 error
Language: C++

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

int main(){
  int k;
  string s;
  cin>>k>>s;
  if(s.size()<=k)
    cout<<s<<endl;
  else
    for(int i=0;i<k;i++)
      cout<<s.at(i);
  cout<<"..."<<endl;
  
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inckude; did you mean #include?
    1 | #inckude<bits/stdc++.h>
      |  ^~~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:6:3: error: 'string' was not declared in this scope
    6 |   string s;
      |   ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | #inckude<bits/stdc++.h>
a.cc:7:3: error: 'cin' was not declared in this scope
    7 |   cin>>k>>s;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #inckude<bits/stdc++.h>
a.cc:7:11: error: 's' was not declared in this scope
    7 |   cin>>k>>s;
      |           ^
a.cc:9:5: error: 'cout' was not declared in this scope
    9 |     cout<<s<<endl;
      |     ^~~~
a.cc:9:5: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:9:14: error: 'endl' was not declared in this scope
    9 |     cout<<s<<endl;
      |              ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #inckude<bits/stdc++.h>
a.cc:12:7: error: 'cout' was not declared in this scope
   12 |       cout<<s.at(i);
      |       ^~~~
a.cc:12:7: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:13:3: error: 'cout' was not declared in this scope
   13 |   cout<<"..."<<endl;
      |   ^~~~
a.cc:13:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:13:16: error: 'endl' was not declared in this scope
   13 |   cout<<"..."<<endl;
      |                ^~~~
a.cc:13:16: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
Language: C++

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

using namespace::std;

int main(){
  int k;
  string s;
  cin >> k;
  cin >> s;
  if(s.length() > k){
	cout << s.substr(0,k) << ... << endl;
  } else {
    cout << s << endl; 
  }
  return 0; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:30: error: expected ';' before '<<' token
   14 |         cout << s.substr(0,k) << ... << endl;
      |                              ^~~
      |                              ;
Language: C

#include<stdio.h>
#include<string.h>
int main(void){
  int len;
  int k;
  char s[];
  scanf("%d",&k);
  scanf("%s",s);
  len = strlen(s);
  if(len<=k)
    printf("%s...",s[len]);
  else
    printf("%s",s);
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:6:8: error: array size missing in 's'
    6 |   char s[];
      |        ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main ()
{
 string a;
 int k;
 cin>>k>>a;
 if(a.size()<=k) {for(int i=0;i<n;i++) cout<<a[i];cout<<endl;return 0;}
 for(int i=0;i<k;i++) cout<<a[i];
 cout<<"..."<<endl;
 return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:33: error: 'n' was not declared in this scope
    8 |  if(a.size()<=k) {for(int i=0;i<n;i++) cout<<a[i];cout<<endl;return 0;}
      |                                 ^
Language: C++

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

int main(){
  int K ; 
  cin >> K ;
  string S ;
  cin >> S ;
  int a = S.size();
  if(a<=K){
    cout << S << endl;
  }
 else {
   string b = S.substr(0,K);
  cout << b ;
   cout << ...;
 }
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:8: error: expected ';' before '<<' token
   16 |    cout << ...;
      |        ^~~
      |        ;
Language: C++

#include <iostream>
#include <iomanip>
#include <string>
#include <algorithm>
#include <vector>
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++)

int main(){
    int k;
    cin >> k;
    strimg s;
    cin >> s;
    int l = s.size();
    if(l <= k)cout << s << endl;
    else cout << s.substr(0,k) << "..." << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:13:5: error: 'strimg' was not declared in this scope
   13 |     strimg s;
      |     ^~~~~~
a.cc:14:12: error: 's' was not declared in this scope
   14 |     cin >> s;
      |            ^
Language: C++

include <bits/stdc++.h>
using namespace std;
#define _GLIBCXX_DEBUG
int64_t MOD=10000007;

int main() {
  string S;
  int K;
  cin>>K>>S;
    if(S.size()<=K) cout<<S;
  else{
    for(int i=0;i<K;i++){
      cout<<S.at(i);
    }
    cout<<"…";
  } 
}



Compiler output:
a.cc:1:1: error: 'include' does not name a type
    1 | include <bits/stdc++.h>
      | ^~~~~~~
a.cc:4:1: error: 'int64_t' does not name a type
    4 | int64_t MOD=10000007;
      | ^~~~~~~
a.cc:1:1: note: 'int64_t' is defined in header '<cstdint>'; this is probably fixable by adding '#include <cstdint>'
  +++ |+#include <cstdint>
    1 | include <bits/stdc++.h>
a.cc: In function 'int main()':
a.cc:7:3: error: 'string' was not declared in this scope
    7 |   string S;
      |   ^~~~~~
a.cc:9:3: error: 'cin' was not declared in this scope
    9 |   cin>>K>>S;
      |   ^~~
a.cc:9:11: error: 'S' was not declared in this scope
    9 |   cin>>K>>S;
      |           ^
a.cc:10:21: error: 'cout' was not declared in this scope
   10 |     if(S.size()<=K) cout<<S;
      |                     ^~~~
a.cc:13:7: error: 'cout' was not declared in this scope
   13 |       cout<<S.at(i);
      |       ^~~~
a.cc:15:5: error: 'cout' was not declared in this scope
   15 |     cout<<"…";
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
typedef long long int ll;
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	//B
	ll K;
	string s;
	cin>>K>>s;
	if(s.size()<=K){
		cout<<s;
	}
	else{
		s=s.substr(0,K);
		cout<<s<<"...";
	}
	return 0;

Compiler output:
a.cc: In function 'int main()':
a.cc:19:18: error: expected '}' at end of input
   19 |         return 0;
      |                  ^
a.cc:5:11: note: to match this '{'
    5 | int main(){
      |           ^
Language: C++

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

int main(){
  int k;
  string s;
  cin >> k;
  cin >> s;
  if (s.size() <= k) cout << s <<endl;
  else cout << s[0:k] << "..."<< endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:19: error: expected ']' before ':' token
   11 |   else cout << s[0:k] << "..."<< endl;
      |                   ^
      |                   ]
a.cc:11:19: error: expected ';' before ':' token
   11 |   else cout << s[0:k] << "..."<< endl;
      |                   ^
      |                   ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef int ll;
typedef vector<int> vi; 
typedef pair<int,int> pi;
#define F first;
#define S second;
#define pb push_back;
#define mp make_pair;
#define rep(i, a, b) for (int i=a; i<=b; i++)

int main(){
    ll k; cin>>k;
    string s;cin>>s;
    if(s.size()<=k) cout<<k;
    else{
        string tmp=s.substr(s.begin(),k);
        tmp+="...";
        cout<<tmp;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:36: error: cannot convert 'std::__cxx11::basic_string<char>::iterator' to 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'}
   17 |         string tmp=s.substr(s.begin(),k);
      |                             ~~~~~~~^~
      |                                    |
      |                                    std::__cxx11::basic_string<char>::iterator
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:3208:24: note:   initializing argument 1 of 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::substr(size_type, size_type) const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]'
 3208 |       substr(size_type __pos = 0, size_type __n = npos) const
      |              ~~~~~~~~~~^~~~~~~~~
Language: C++

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

int main(){
  int K ; 
  cin >> K ;
  string S ;
  cin >> S ;
  int a = S.size();
  if(a<=K){
    cout << S << endl;
  }
 else {
   string b = S.substr(0,K);
  cout << b << ... << endl;
 }
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:12: error: expected ';' before '<<' token
   15 |   cout << b << ... << endl;
      |            ^~~
      |            ;
Language: C

#include<stdio.h>
#include<string.h>
int main(){
int K;
char S[100];
  scanf("%d",&K);
  scanf("%s",&S);
  if(strlen(S)>=K)
    printf("%s",S);
  else{
    strcat(S,"...");
    printf("%s",S);}
  return;
}

Compiler output:
main.c: In function 'main':
main.c:13:3: error: 'return' with no value, in function returning non-void [-Wreturn-mismatch]
   13 |   return;
      |   ^~~~~~
main.c:3:5: note: declared here
    3 | int main(){
      |     ^~~~
Language: C++

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


int main() 
{
  int a;
  string s;
  cin>>a>>s;
  int len = s.size();
  if(len<=a)
  {
    cout<<s<<endl;
  }
  else
  {
    for(int i=a;i<len;i++)
    {
      s.pop_back();
    }
    cout<<s<<...<<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:21:12: error: expected ';' before '<<' token
   21 |     cout<<s<<...<<endl;
      |            ^~
      |            ;
Language: C++

#include<iostream>
#include<string>
int main(){
  int n,i;
  string s;
  cin>>n;
  cin>>s;
  for( i=0;i<n;i++)cout<<s[i];
  if(i!=(n-1))cout<<"...";
}


Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'string' was not declared in this scope
    5 |   string s;
      |   ^~~~~~
a.cc:5:3: note: suggested alternatives:
In file included from /usr/include/c++/14/iosfwd:41,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stringfwd.h:77:33: note:   'std::string'
   77 |   typedef basic_string<char>    string;
      |                                 ^~~~~~
In file included from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44:
/usr/include/c++/14/string:76:11: note:   'std::pmr::string'
   76 |     using string    = basic_string<char>;
      |           ^~~~~~
a.cc:6:3: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   cin>>n;
      |   ^~~
      |   std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:7:8: error: 's' was not declared in this scope
    7 |   cin>>s;
      |        ^
a.cc:8:20: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    8 |   for( i=0;i<n;i++)cout<<s[i];
      |                    ^~~~
      |                    std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:9:15: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    9 |   if(i!=(n-1))cout<<"...";
      |               ^~~~
      |               std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
Language: C++

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


int main() {
  int K;
  string S;
  cin >> K;
  cin >> S;
  
  if(S.size() <= K){
    cout << S <<endl;
  }
  else{
    int j = 0;
    while (j < K) {
    cout << S.at(j)
    j++;
    }
    cout << "..." <<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:20: error: expected ';' before 'j'
   18 |     cout << S.at(j)
      |                    ^
      |                    ;
   19 |     j++;
      |     ~
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef int ll;
typedef vector<int> vi; 
typedef pair<int,int> pi;
#define F first;
#define S second;
#define pb push_back;
#define mp make_pair;
#define rep(i, a, b) for (int i=a; i<=b; i++)

int main(){
    ll t; cin>>t;
    string s;cin>>s;
    if(s.size()<=k) cout<<k;
    else{
        string tmp=s.substr(s.begin(),k);
        tmp+="...";
        cout<<tmp;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:15:18: error: 'k' was not declared in this scope
   15 |     if(s.size()<=k) cout<<k;
      |                  ^
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main(){
	int K;
	string S;
	cin>>K>>S;
	if(S.size()<=K)cout<<S<<endl;
	else{
		 for(int i=0;i<K;i++)cout<<S[i];
		 cout<<"..."<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:2: error: expected '}' at end of input
   12 | }
      |  ^
a.cc:4:11: note: to match this '{'
    4 | int main(){
      |           ^
Language: C++

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

int main(){
  int n,s;
  string x;
  string y;
  s=x.size();
  if(n<s){
    y=x.assign(x,0,n)
      cout<<y<<endl;
  }
  if(n>=s){
    cout<<x<<endl;
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:22: error: expected ';' before 'cout'
   11 |     y=x.assign(x,0,n)
      |                      ^
      |                      ;
   12 |       cout<<y<<endl;
      |       ~~~~
Language: C

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

int main(void)
{
  int k,i;
  char s[];
  char s2[];
  scanf("%s", s);
  for(i = 1; i <= k; i++){
    s2[i]=s[i];
  }
  strcat(s2,"...");
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:8: error: array size missing in 's'
    7 |   char s[];
      |        ^
main.c:8:8: error: array size missing in 's2'
    8 |   char s2[];
      |        ^~
Language: C++

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

int main(){
  int K ; cin >> K ;
  string S ; cin >> S ;
  int a = S.size();
  if(a<=K) cout << S << endl;
 else {
   string b = S.substr(0,K);
  cout << b << ... << endl;
 }
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:12: error: expected ';' before '<<' token
   11 |   cout << b << ... << endl;
      |            ^~~
      |            ;
Language: C++

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


int main() {
  int K;
  string S;
  cin >> K;
  cin >> S;
  
  if(S.size() <= K){
    cout << S <<endl;
  }
  else{
    int j = 0;
    while (j <= K) {
    cout << S.at(j)
    j++;
    }
    cout << "..." <<endl;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:20: error: expected ';' before 'j'
   18 |     cout << S.at(j)
      |                    ^
      |                    ;
   19 |     j++;
      |     ~
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main()
{
  int k;
  string word;
  cin>>k;
  cin>>ws;
  cin>>word;
  if(word.length()<=k)
  {
    cout<<word;
    exit(0);
  }
  
  else
  { 
    string temp="";
    for(int i=0;i<k;i++)
       temp+=word[i];      
   }
  temp+=" ...";
  cout<<temp;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:3: error: 'temp' was not declared in this scope; did you mean 'tm'?
   23 |   temp+=" ...";
      |   ^~~~
      |   tm
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi; 
typedef pair<int,int> pi;
#define F first;
#define S second;
#define pb push_back;
#define mp make_pair;
#define rep(i, a, b) for (int i=a; i<=b; i++)

int main(){
    ll k; cin>>k;
    string s;cin>>s;
    if(s.size()<=k) cout<<k;
    else{
        string tmp=s.substr(s.begin(),k);
        tmp+="...";
        cout<<tmp;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:17:36: error: cannot convert 'std::__cxx11::basic_string<char>::iterator' to 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'}
   17 |         string tmp=s.substr(s.begin(),k);
      |                             ~~~~~~~^~
      |                                    |
      |                                    std::__cxx11::basic_string<char>::iterator
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:3208:24: note:   initializing argument 1 of 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::substr(size_type, size_type) const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]'
 3208 |       substr(size_type __pos = 0, size_type __n = npos) const
      |              ~~~~~~~~~~^~~~~~~~~