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

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

int main()
{
    stirng s;cin>>s;
    if(s == "hi"||s == "hihi"||s == "hihihi"||s == "hihihihi"||s == "hihihihihi")cout<<"Yes"<<endl;
    else cout<<"No"<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'stirng' was not declared in this scope
    9 |     stirng s;cin>>s;
      |     ^~~~~~
a.cc:9:19: error: 's' was not declared in this scope
    9 |     stirng s;cin>>s;
      |                   ^
Language: C

#include <stdio.h>
int main(){
    char S[10];
    scanf("%s",&S);
    for(int i=0;i<8;i++){
        if((S[i]=='h')&&(S[i+1]=='i')){
            if(S[i+2]=='i')){
                continue;
            }else{
                printf("Yes\n");
                return 0;
            }
            
        }
    }
    printf("No\n");
    return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:28: error: expected statement before ')' token
    7 |             if(S[i+2]=='i')){
      |                            ^
main.c:9:14: error: expected '}' before 'else'
    9 |             }else{
      |              ^~~~
main.c: At top level:
main.c:16:12: error: expected declaration specifiers or '...' before string constant
   16 |     printf("No\n");
      |            ^~~~~~
main.c:17:5: error: expected identifier or '(' before 'return'
   17 |     return 0;
      |     ^~~~~~
main.c:18:1: error: expected identifier or '(' before '}' token
   18 | }
      | ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main()
{	
  	char str[10],str1[2]='hi';
  	int flag=0;
 	for(int i=0;i<str.length();i++)
    {
      for(int j=i+1;j<i+2;j++)
      { if(strcmp(str[i]+str[j],str1)==0)
      {
        flag++;
      }
     else{
       	flag=0;
       	
       cout<<"No"<<endl;
       return 0;
     }
    }
    }
  if(flag!=0)
    cout<<"Yes"<<endl;
	return 0;
}

Compiler output:
a.cc:5:30: warning: multi-character character constant [-Wmultichar]
    5 |         char str[10],str1[2]='hi';
      |                              ^~~~
a.cc: In function 'int main()':
a.cc:5:30: error: array must be initialized with a brace-enclosed initializer
a.cc:7:27: error: request for member 'length' in 'str', which is of non-class type 'char [10]'
    7 |         for(int i=0;i<str.length();i++)
      |                           ^~~~~~
a.cc:10:25: error: invalid conversion from 'int' to 'const char*' [-fpermissive]
   10 |       { if(strcmp(str[i]+str[j],str1)==0)
      |                   ~~~~~~^~~~~~~
      |                         |
      |                         int
In file included from /usr/include/c++/14/cstring:43,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:121,
                 from a.cc:1:
/usr/include/string.h:156:32: note:   initializing argument 1 of 'int strcmp(const char*, const char*)'
  156 | extern int strcmp (const char *__s1, const char *__s2)
      |                    ~~~~~~~~~~~~^~~~
Language: C++


#include <iostream>
#include <string>
#include <algorithm>
#include <cmath>
#include <limits>
#include <numeric>
#include <vector>
using namespace std;


int main()
{


	bool r = true;


	std::string s;
	cin >> s;

	for (int i = 1; i < s.length(); i++) {
		if (s[i-1] != 'h' || s[i] != 'i') {
			r = false;
			break;
		}
		i++;
	}
	if ((s.length % 2) == 1)r = false;
	if (r)cout << "Yes";
	else cout << "No";

}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:16: 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 '()' ?)
   29 |         if ((s.length % 2) == 1)r = false;
      |              ~~^~~~~~
      |                      ()
Language: C++


#include <iostream>
#include <string>
#include <algorithm>
#include <cmath>
#include <limits>
#include <numeric>
#include <vector>
using namespace std;


int main()
{


	bool r = true;


	std::string s;
	cin >> s;

	for (int i = 1; i < s.length(); i++) {
		if (s[i-1] != 'h' || s[i] != 'i') {
			r = false;
			break;
		}
		i++;
	}
	if (s.length % 2 == 1)r = false;
	if (r)cout << "Yes";
	else cout << "No";

}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:15: 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 '()' ?)
   29 |         if (s.length % 2 == 1)r = false;
      |             ~~^~~~~~
      |                     ()
Language: C++

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;


int main(){
    string s;
    cin >> s;
    int flag=0;
    for(int i = 0; i< s.length()-1;i++){
        if(s[i]-'h'==0 && s[i+1]-'i'==0) {
            if(i+2 < s.length-1  && s[i+2]=='h'){
            flag =1;
            break;
            }
        }
    }
    if(flag == 1) cout << "Yes"<<endl;
    else cout << "No"<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:24: 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 '()' ?)
   14 |             if(i+2 < s.length-1  && s[i+2]=='h'){
      |                      ~~^~~~~~
      |                              ()
Language: C++

#include<bits/stdc++.h>
#define ll long long
using namespace std;
int main(){
	ll cnt=0,cnt1=0;
	string s;
	cin>>s;
	//int k=strlen(s);
	ll k=sizeof(s);
	for(ll i=0;i<k;i++){
		
		if(s[i]=='h' ||s[i]=='H'){
			cnt++;
		}
		else if(s[i]=='i'||s[i]=='I'){
			cnt1++;
		}
	}
	if(cnt>=1 && cnt1=>1){
		if(cnt==cnt1){
		cout<<"Yes"<<endl;
	}
	else{
	cout<<"No"<<endl;
	}
	}
	else{
	cout<<"No"<<endl;
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:19:27: error: expected primary-expression before '>' token
   19 |         if(cnt>=1 && cnt1=>1){
      |                           ^
Language: C++

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

const int mod = 1e9 + 7;
const long long INF = 1LL<<60;
using ll = long long;
using P = pair<int,int>;

// https://qiita.com/1natsu172/items/b951aa33451dad36bd7c
// atcoddr-cli用
// [URL]/tasks_print
// acc new  
// cd 
// cd 
// code -n main.cpp

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

    int n = s.size();

    if (n %2 == 1){
        cout << "No" << endl;
        return 0;
    }

     // n is even
    for (int i = 0; i < n-1; i += 2){
        if (s[i] == 'h' && s[i+1] == 'i'){
            continue;
        }
    }
    else{
        cout << "No" << endl;
    }
    
}


Compiler output:
a.cc: In function 'int main()':
a.cc:36:5: error: 'else' without a previous 'if'
   36 |     else{
      |     ^~~~
Language: C

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

int main(){
	char Hitachi[10];
	scanf("%s",Hitachi);

	int i,j;
	j=0;
	for(i=0;i<9;i++){
		if(Hitachi[i]=='h'){
			if(Hitachi[i+1]=='i'){
				j=1;
				break;
			}
		}
	}
	if(j==1){
		printf("Yes");
	}else if{
		printf("No");
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:21:17: error: expected '(' before '{' token
   21 |         }else if{
      |                 ^
      |                 (
Language: C++

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

int main() {
	string s;
	cin >>s;
	int c=1;
	for(int i=0;i=<(s.length()-1)/2;i++){
		if((s.at(i*2)=='h')&&(s.at(i*2+1)=='i')){
			c=c*1;
		}
		else{
			c=0;
		}

	}

	if(c>0&&s.length()%2==0){
		cout <<"Yes";
	}
	else{
		cout <<"No";
	}

}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:23: error: expected primary-expression before '<' token
    8 |         for(int i=0;i=<(s.length()-1)/2;i++){
      |                       ^
Language: C++

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

int main(){
    string re;
    cin >> re;
    if(re.size()&1){puts("No");return 0;}
    for(int i = 0, j = 0; i < re.size();++i){
        if(re[i] != comp[j]){puts("No");return 0;}
        j += 1;
        j = j % 2;
    }
    puts("Yes");
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:21: error: 'comp' was not declared in this scope
    9 |         if(re[i] != comp[j]){puts("No");return 0;}
      |                     ^~~~
Language: C

#include<stdio.h>
#include<string.h>
int main(){
char S[10];
int len,a=0,b=0;
scanf("%s",S);
len = strlen(S);
for(int i=0;i<len;i=i+2){
	if(strcmp(S[i]=="h")==0)a=1;
	}
  for(int j=1;j<len;j=j+1){
  if(strcmp(S[j],"i")==0)b=1;
  }
  if(a==1&&b==1)printf("Yes");
  else printf("No");
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:9:23: warning: comparison between pointer and integer
    9 |         if(strcmp(S[i]=="h")==0)a=1;
      |                       ^~
main.c:9:23: error: passing argument 1 of 'strcmp' makes pointer from integer without a cast [-Wint-conversion]
    9 |         if(strcmp(S[i]=="h")==0)a=1;
      |                   ~~~~^~~~~
      |                       |
      |                       int
In file included from main.c:2:
/usr/include/string.h:156:32: note: expected 'const char *' but argument is of type 'int'
  156 | extern int strcmp (const char *__s1, const char *__s2)
      |                    ~~~~~~~~~~~~^~~~
main.c:9:12: error: too few arguments to function 'strcmp'
    9 |         if(strcmp(S[i]=="h")==0)a=1;
      |            ^~~~~~
/usr/include/string.h:156:12: note: declared here
  156 | extern int strcmp (const char *__s1, const char *__s2)
      |            ^~~~~~
main.c:12:14: error: passing argument 1 of 'strcmp' makes pointer from integer without a cast [-Wint-conversion]
   12 |   if(strcmp(S[j],"i")==0)b=1;
      |             ~^~~
      |              |
      |              char
/usr/include/string.h:156:32: note: expected 'const char *' but argument is of type 'char'
  156 | extern int strcmp (const char *__s1, const char *__s2)
      |                    ~~~~~~~~~~~~^~~~
Language: C++

#include<bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(n);i++)
typedef  long long ll;
ll gcd(ll x,ll y){
   if(y==0) return x;
   else return gcd(y,x%y);
}
ll lcm(ll x,ll y){
   return x/gcd(x,y)*y;
}
using namespace std;
int main(){
   string s;
   cin>>s;
   bool flag=true;
   rep(i,s.size()-1){
       if(s[i]=='h'){
           if(s[i+1]!='i'){
               flag=false;
           }   
       }
       else if(s[i]=='i'){
           if(s[i+1]!='h') flag=false;
       }
       
   }
   if(s[s.size()-1]=='h') flag=false;
       flag==true? cout<<"Yes":cout<<"No";   
return 0;
}
#include<bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(n);i++)
typedef  long long ll;
ll gcd(ll x,ll y){
   if(y==0) return x;
   else return gcd(y,x%y);
}
ll lcm(ll x,ll y){
   return x/gcd(x,y)*y;
}
using namespace std;
int main(){
   string s;
   cin>>s;
   bool flag=true;
   rep(i,s.size()-1){
       if(s[i]=='h'){
           if(s[i+1]!='i'){
               flag=false;
           }   
       }
       else if(s[i]=='i'){
           if(s[i+1]!='h') flag=false;
       }
       
   }
   if(s[s.size()-1]=='h') flag=false;
       flag==true? cout<<"Yes":cout<<"No";   
return 0;
}


Compiler output:
a.cc:34:4: error: redefinition of 'll gcd(ll, ll)'
   34 | ll gcd(ll x,ll y){
      |    ^~~
a.cc:4:4: note: 'll gcd(ll, ll)' previously defined here
    4 | ll gcd(ll x,ll y){
      |    ^~~
a.cc:38:4: error: redefinition of 'll lcm(ll, ll)'
   38 | ll lcm(ll x,ll y){
      |    ^~~
a.cc:8:4: note: 'll lcm(ll, ll)' previously defined here
    8 | ll lcm(ll x,ll y){
      |    ^~~
a.cc:42:5: error: redefinition of 'int main()'
   42 | int main(){
      |     ^~~~
a.cc:12:5: note: 'int main()' previously defined here
   12 | int main(){
      |     ^~~~
Language: C++

#include<algorithm>
#include<cmath>
#include<cstdio>
#include<functional>
#include<iomanip>
#include<iostream>
#include<numeric>
#include<map>
#include<queue>
#include<set>
#include<string>
#include<utility>
#include<vector>

using namespace std;
typedef long long ll;
typedef pair<ll, ll> P;
const ll mod = 1000000007;
#define rep(i,n) for(int i=0;i<n;i++)
#define repl(i,s,e) for(int i=s;i<e;i++)
#define reple(i,s,e) for(int i=s;i<=e;i++)
#define revrep(i,n) for(int i=n-1;i>=0;i--)
#define all(x) (x).begin(),(x).end()


int main()
{

	string s;
	cin >> s;

	rep(i, s.size() - 1)
	{
		if (s[i] = 'h' && s[i + 1] == 'i')
		{
			cout << "Yes" << endl;
			return 0;
		}
	}

	cout << "No" << endl;

	return 0;
}
#include<algorithm>
#include<cmath>
#include<cstdio>
#include<functional>
#include<iomanip>
#include<iostream>
#include<numeric>
#include<map>
#include<queue>
#include<set>
#include<string>
#include<utility>
#include<vector>

using namespace std;
typedef long long ll;
typedef pair<ll, ll> P;
const ll mod = 1000000007;
#define rep(i,n) for(int i=0;i<n;i++)
#define repl(i,s,e) for(int i=s;i<e;i++)
#define reple(i,s,e) for(int i=s;i<=e;i++)
#define revrep(i,n) for(int i=n-1;i>=0;i--)
#define all(x) (x).begin(),(x).end()


int main()
{

	string s;
	cin >> s;

	rep(i, s.size() - 1)
	{
		if (s[i] == 'h' && s[i + 1] == 'i')
		{
			cout << "Yes" << endl;
			return 0;
		}
	}

	cout << "No" << endl;

	return 0;
}

Compiler output:
a.cc:62:10: error: redefinition of 'const ll mod'
   62 | const ll mod = 1000000007;
      |          ^~~
a.cc:18:10: note: 'const ll mod' previously defined here
   18 | const ll mod = 1000000007;
      |          ^~~
a.cc:70:5: error: redefinition of 'int main()'
   70 | int main()
      |     ^~~~
a.cc:26:5: note: 'int main()' previously defined here
   26 | int main()
      |     ^~~~
Language: C++

#!/usr/bin/env python

def main():
    s = list(input())
    n = len(s)

    chk = 1
    if n % 2 == 0:
        for i in range(n):
            if i % 2 == 0:
                if s[i] != 'h':
                    chk = 0
                    break
            else:
                if s[i] != 'i':
                    chk = 0
                    break
    else:
        chk = 0

    if chk == 1:
        print('Yes')
    elif chk == 0:
        print('No')

if __name__ == '__main__':
    main()


Compiler output:
a.cc:1:2: error: invalid preprocessing directive #!
    1 | #!/usr/bin/env python
      |  ^
a.cc:22:15: warning: multi-character character constant [-Wmultichar]
   22 |         print('Yes')
      |               ^~~~~
a.cc:24:15: warning: multi-character character constant [-Wmultichar]
   24 |         print('No')
      |               ^~~~
a.cc:26:16: warning: multi-character literal with 8 characters exceeds 'int' size of 4 bytes
   26 | if __name__ == '__main__':
      |                ^~~~~~~~~~
a.cc:3:1: error: 'def' does not name a type
    3 | def main():
      | ^~~
Language: Java

import java.util.*;
public class a {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String s = sc.next();
		if(s.length()%2 == 1){
			System.out.println("No");
			return;
		}
		String remain = s;
		while(remain.length()>1){
			String tmp = remain.substring(0,2);
			if(!tmp.equals("hi")){
				System.out.println("No");
				return;
			}else{
				remain = remain.substring(2);
			}
		}
		System.out.println("Yes");
	}
}

Compiler output:
Main.java:2: error: class a is public, should be declared in a file named a.java
public class a {
       ^
1 error
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define rep2(i, s, n) for (int i = (s); i < (int)(n); i++)
typedef long long ll;
typedef pair<int, int> P;
const ll MAX_N = 100000;

// vector<int> dp(100000, 1e9);

int main()
{
    // string S,T,U;
    bool count = false;
    string S;
    cin >> S ;
    int n = S.length;
    for (int i = 0; i < (n-1);i++)
    {
        if(S[i]=='h'){
            if(S[i+1]=='i'){
                if(i+1==S.length)
                    count = true;
                else if(S[i+2]!='i'){
                    count = true;
                }
            }
        }
    }
    if(count)printf("Yes");
    else   printf("No");

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:15: error: cannot convert 'std::__cxx11::basic_string<char>::length' from type 'std::__cxx11::basic_string<char>::size_type (std::__cxx11::basic_string<char>::)() const noexcept' {aka 'long unsigned int (std::__cxx11::basic_string<char>::)() const noexcept'} to type 'int'
   17 |     int n = S.length;
      |               ^~~~~~
a.cc:22:27: 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 '()' ?)
   22 |                 if(i+1==S.length)
      |                         ~~^~~~~~
      |                                 ()
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  string s;
  cin>>s;
  for(int i=0;i<s.size();i+=2)
    if(s[i]!='h'&&s[i+1)!='i'){
      cout<<"No"<<endl;
      return 0;
    }
  cout<<"Yes"<<endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:24: error: expected ']' before ')' token
    7 |     if(s[i]!='h'&&s[i+1)!='i'){
      |                        ^
      |                        ]
a.cc:7:25: error: expected primary-expression before '!=' token
    7 |     if(s[i]!='h'&&s[i+1)!='i'){
      |                         ^~
Language: C++

#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <list>
#include <algorithm>
 
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
typedef long long llong;
typedef unsigned long long ullong;
 
using namespace std;
 
void main() {
	string s;
	cin >> s;
 
	bool h = true;
	for (auto& it : s)
	{
		if (h && it == 'h')
		{
			h = false;
		}
		else if( !h && it == 'i')
		{
			h = true;
		}
		else
		{
			cout << "No";
			return;
		}
	}
 
	if( h )
		cout << "Yes";
	else
		cout << "No";
}


Compiler output:
a.cc:14:1: error: '::main' must return 'int'
   14 | void main() {
      | ^~~~
a.cc: In function 'int main()':
a.cc:32:25: error: return-statement with no value, in function returning 'int' [-fpermissive]
   32 |                         return;
      |                         ^~~~~~
Language: C++

#include <iostream>
#include <string>
using namespace std;
int main() {
  string s;
  bool flag;
  cin>>s;
  if(s.size()%2==1){
    cout<<"No"<<endl;
    return 0;
  }
  for(int i=0;i<s.size();i+2){
    if(s[i]!='h'||s[i+1]!='i'){
      flga=false;
      break;
    }
  }
  if(flag){
    cout<<"Yes"<<endl;
  }else{
    cout<<"No"<<endl;
  }
}    

Compiler output:
a.cc: In function 'int main()':
a.cc:14:7: error: 'flga' was not declared in this scope; did you mean 'flag'?
   14 |       flga=false;
      |       ^~~~
      |       flag
Language: C

#include<stdio.h>
#include<string.h>
int main(){
char S[];
int len,a=0,b=0;
scanf("%s",S);
len = strlen(S);
for(int i=0;i<len;i=i+2){
	if(S[i]=="h")a=1;
	}
  for(int j=1;j<len;j=j+1){
  if(S[j]=="i")b=1;
  }
  if(a==1&&b==1)printf("Yes");
  else printf("No");
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:6: error: array size missing in 'S'
    4 | char S[];
      |      ^
main.c:9:16: warning: comparison between pointer and integer
    9 |         if(S[i]=="h")a=1;
      |                ^~
main.c:12:10: warning: comparison between pointer and integer
   12 |   if(S[j]=="i")b=1;
      |          ^~
Language: C++

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

int main(){
  string s,t;
  getline(cin,s);
  if(s.size()%2!=0)cout<<"No;
  else{
    for(int i=0;i<s.size();i+=2){
      t=s[i]+s[i+1];
      if(t!="hi")cout<<"No";
      else cout<<"Yes";
    }
  }
  return 0;
}

Compiler output:
a.cc:7:26: warning: missing terminating " character
    7 |   if(s.size()%2!=0)cout<<"No;
      |                          ^
a.cc:7:26: error: missing terminating " character
    7 |   if(s.size()%2!=0)cout<<"No;
      |                          ^~~~
a.cc: In function 'int main()':
a.cc:8:3: error: expected primary-expression before 'else'
    8 |   else{
      |   ^~~~
Language: C++

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

#define all(v) v.begin(), v.end()
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define intll int long long
const int INF = 1e9;
const int MOD = 1e9 + 7;

int main() {
  string s ;
  cin >> s ;
  string ans = "Yes";
  
  rep(i,s.size()){
    if(i %2 == 0){
      if(s.at(i) != 'h')
        ans = "No";
    }
  else {
    if(s.at(i) !='i')
       ans = "No";
  }
  }
if(s.size() % 2 == 1){
  ans = "No";
  
  
  cout <<ans ;
      


}


Compiler output:
a.cc: In function 'int main()':
a.cc:33:2: error: expected '}' at end of input
   33 | }
      |  ^
a.cc:10:12: note: to match this '{'
   10 | int main() {
      |            ^
Language: Java


import java.util.Scanner;

public class MainA {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		char []c = sc.next().toCharArray();
		
		boolean flag = true;
		for(int i = 0 ;2*i < c.length ;i++) {
			if(i % 2 == 1) {
				continue;
			}
			if(c[i] != 'h' || c[i+1] != 'i') {
				flag = false;
				break;
			}
		}
		
		if(flag) {
			System.out.println("Yes");
		}
		else {
			System.out.println("No");
		}
	}

}


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

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

int main(){
    string s;
    cin>>s;
    string ans="No";
    ll n=s.size();
    if(n%2==1){
        cout<<ans<<endl;
        return 0;
    }
    for(ll i=1;i<(n/2)){
        if(s[i-1]!='h' or s[i]!='i'){
            cout<<ans<<endl;
            return 0;
        }
        ans="Yes";
    }
    cout<<ans<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:23: error: expected ';' before ')' token
   15 |     for(ll i=1;i<(n/2)){
      |                       ^
      |                       ;
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll unsigned long long
#define pb push_back
#define mk make_pair
#define REP(i,a,b) for(int i=a; i<=b; i++)
#define mod 1000000007
int main()
{
    srting s;
  	cin >>s;
  int n = s.size();
  int i =0;
  for(i=0;i<n-1;i+=2)
  {
	if(s[i]=='h'&& s[i+1]='i')
    {
		continue;
    }
    else
      break;
  }
  if(i==n-1)
    cout<<"Yes";
  else
    cout<<"No";
    
  
}


Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: 'srting' was not declared in this scope
   10 |     srting s;
      |     ^~~~~~
a.cc:11:15: error: 's' was not declared in this scope
   11 |         cin >>s;
      |               ^
Language: C++

#include <iostream>
#include <cmath>
#include <algorithm>
#include <string> //文字列
#include <iomanip> //doubleの桁数指定
#include <list> //前後に数値を入れれる配列



#define REP(i,m,n) for(int i = (int) (m);i < (int) (n);i++) //forの短縮
#define rep(i,n) REP(i,0,n) //REPが0の時
#define ll long long int

using namespace std;

double PI = 3.141592653589793; //円周率

//常設関数↓

//最大公約数
ll gcd(ll a, ll b) {
	if (b == 0) return a;
	return gcd(b, a % b);
}

//最小公倍数
ll lcm(ll a, ll b) {
	return a * b / gcd(a, b);
}

//degree → radian
ll chg_DegRad(int deg) {
	return deg * PI / 180.0;
}

//radian → degree
ll chg_RadDeg(int rad) {
	return rad * 180.0 / PI;
}

//提出コード↓

string s;
string ans = "Yes";



int main() {
	cin >> s;
	rep(i, s.size()) {
		ans = "No";
		break;
	}
		if(s.size % 2 == 1) 
		if (i % 2 == 0) {
			if(s[i] == 'h'){}
			else {
				ans = "No";
				break;
			}
		}
		else {
			if(s[i] == 'i'){}
			else {
				ans = "No";
				break;
			}
		}
	}
	cout << ans << endl;



	return 0;
}



Compiler output:
a.cc: In function 'int main()':
a.cc:54:22: error: invalid use of member function 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size_type std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::size() const [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; size_type = long unsigned int]' (did you forget the '()' ?)
   54 |                 if(s.size % 2 == 1)
      |                    ~~^~~~
      |                          ()
a.cc:55:21: error: 'i' was not declared in this scope
   55 |                 if (i % 2 == 0) {
      |                     ^
a.cc:59:33: error: break statement not within loop or switch
   59 |                                 break;
      |                                 ^~~~~
a.cc:66:33: error: break statement not within loop or switch
   66 |                                 break;
      |                                 ^~~~~
a.cc: At global scope:
a.cc:70:9: error: 'cout' does not name a type
   70 |         cout << ans << endl;
      |         ^~~~
a.cc:74:9: error: expected unqualified-id before 'return'
   74 |         return 0;
      |         ^~~~~~
a.cc:75:1: error: expected declaration before '}' token
   75 | }
      | ^
Language: C++

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

using namespace std;

void a()
{
    string s;
    cin >>s;
    bool tf = true;
    if(s.length%2==1)
    {
        cout<<"No";
        return;
    }
    for(int i=0;i<s.length()/2;i++)
    {
        if(!s.substr(i*2,2).compare("hi"))
        {
            tf = false;
        }
    }
    if(tf)
    cout<<"Yes";
    else cout<<"No";
    //cout << 1<<endl;
}
int main(void)
{
    a();
}

Compiler output:
a.cc: In function 'void a()':
a.cc:13:10: 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 '()' ?)
   13 |     if(s.length%2==1)
      |        ~~^~~~~~
      |                ()
Language: C

#include<stdio.h>
int main(){
char S[];
int len,a=0,b=0;
scanf("%s",S);
len = strlen(S);
for(int i=0;i<len;i=i+2){
	if(S[i]=="h")a=1;
	}
  for(int j=1;j<len;j=j+1){
  if(S[j]=="i")b=1;
  }
  if(a==1&&b==1)printf("Yes");
  else printf("No");
return 0;
}

Compiler output:
main.c: In function 'main':
main.c:3:6: error: array size missing in 'S'
    3 | char S[];
      |      ^
main.c:6:7: error: implicit declaration of function 'strlen' [-Wimplicit-function-declaration]
    6 | 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:6:7: warning: incompatible implicit declaration of built-in function 'strlen' [-Wbuiltin-declaration-mismatch]
    6 | len = strlen(S);
      |       ^~~~~~
main.c:6:7: note: include '<string.h>' or provide a declaration of 'strlen'
main.c:8:16: warning: comparison between pointer and integer
    8 |         if(S[i]=="h")a=1;
      |                ^~
main.c:11:10: warning: comparison between pointer and integer
   11 |   if(S[j]=="i")b=1;
      |          ^~
Language: C++

string S;
	cin >> S;
	int flag=1;
	for (int i = 0; i < S.size(); i++)
	{
		if (i % 2 == 0 &&i+1<S.size()) {
			if (!(S[i] == 'h' && S[i + 1] == 'i')) {
				flag = 0;
			}
			
		}
	}
	if (flag == 1) {
		cout << "Yes";
	}
	else {
		cout << "No";
	}
	
	return 0;

Compiler output:
a.cc:1:1: error: 'string' does not name a type
    1 | string S;
      | ^~~~~~
a.cc:2:9: error: 'cin' does not name a type
    2 |         cin >> S;
      |         ^~~
a.cc:4:9: error: expected unqualified-id before 'for'
    4 |         for (int i = 0; i < S.size(); i++)
      |         ^~~
a.cc:4:25: error: 'i' does not name a type
    4 |         for (int i = 0; i < S.size(); i++)
      |                         ^
a.cc:4:39: error: 'i' does not name a type
    4 |         for (int i = 0; i < S.size(); i++)
      |                                       ^
a.cc:13:9: error: expected unqualified-id before 'if'
   13 |         if (flag == 1) {
      |         ^~
a.cc:16:9: error: expected unqualified-id before 'else'
   16 |         else {
      |         ^~~~
a.cc:20:9: error: expected unqualified-id before 'return'
   20 |         return 0;
      |         ^~~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll unsigned long long
#define pb push_back
#define mk make_pair
#define REP(i,a,b) for(int i=a; i<=b; i++)
#define mod 1000000007
int main()
{
    srting s;
  	cin >>s;
  int n = s.size();
  int i =0;
  for(i=0;i<n-1;i+=2)
  {
	if(s[i]=='h'and s[i+1]='i')
    {
		continue;
    }
    else
      break;
  }
  if(i==n-1)
    cout<<"Yes";
  else
    cout<<"No";
    
  
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: 'srting' was not declared in this scope
   10 |     srting s;
      |     ^~~~~~
a.cc:11:15: error: 's' was not declared in this scope
   11 |         cin >>s;
      |               ^
a.cc:16:18: error: unable to find character literal operator 'operator""and' with 'char' argument
   16 |         if(s[i]=='h'and s[i+1]='i')
      |                  ^~~~~~
a.cc:16:24: error: expected ')' before 's'
   16 |         if(s[i]=='h'and s[i+1]='i')
      |           ~            ^~
      |                        )
Language: Java

import java.util.Scanner;
 
public class Test {
 
	public static final MyScanner in = new MyScanner();
 
	public static void main(String[] args) {
 
		char[] S = in.nextLine().toCharArray();
		boolean answer = true;
		boolean b = true;
		for(char c: S) {
			if (b) {
				if (!(c == 'h')) answer = false;
				b = !b;
			}else {
				if (!(c == 'i')) answer = false;
				b = !b;
			}
		}
		System.out.println(answer ? "Yes" : "No");
	}

	public static class MyScanner{
		Scanner sc = new Scanner(System.in);
		String nextLine() {return sc.nextLine();}
		String next() {return sc.next();}
		int nextInt() {return Integer.valueOf(sc.next());}
		long nextLong() { return Long.valueOf(sc.next());}
	}

}

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

s = input()

if s == "hi" or s == "hihi" or s == "hihihi" or s =="hihihihi" or s =="hihihihihi" or s =="hihihihihihihi" or s =="hihihihihihihihi" or s =="hihihihihihihihihi" or s =="hihihihihihihihihihi":
    print("Yes")
else:
    print("No")


Compiler output:
a.cc:1:1: error: 's' does not name a type
    1 | s = input()
      | ^
Language: C++

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



int power_1(long long int a , long long int b)
{
	long long int res = 1;
	while(b)
	{
		if(b & 1)
			res = 1LL * res * a % mod;
		a = 1LL * a * a % mod;
		b >>= 1;
	}
	return res;
}

int main()
{	

	string st;
	cin>>st;
	int flag=1;
	for(int i=0;i<st.size();i++)
	{
		if(i%2==0&&st[i]!='h')
			flag=0;
		if(i%2!=0&&st[i]!='i')
			flag=0;
	}
	if(flag==1)
		cout<<"Yes";
	else cout<<"No";
return 0;
}

Compiler output:
a.cc: In function 'int power_1(long long int, long long int)':
a.cc:12:47: error: 'mod' was not declared in this scope; did you mean 'modf'?
   12 |                         res = 1LL * res * a % mod;
      |                                               ^~~
      |                                               modf
a.cc:13:35: error: 'mod' was not declared in this scope; did you mean 'modf'?
   13 |                 a = 1LL * a * a % mod;
      |                                   ^~~
      |                                   modf
Language: C++


#include <iostream>
#include <vector>
// #include<list>
#include <algorithm>

using namespace std;
#define l long long
#define vi vector<int>
#define vvi vector<vector<int>>
#define rep(i,n) for (i = 0; i < n; i++) 
#define REP(i,k,n) for (i = k; i <= n; i++) 
#define REPR(i,k,n) for (i = k; i >= n; i--) 

bool hi(string s)
{
  for(int i=0;i+1<s.length();i++)
  {
    if(ar[i]=='h' && ar[i+1]=='i')
    {
    }
    else
    	return false;
  }
  return true;
}

int  main(int arg,char** argc)
{
    ios_base::sync_with_stdio(false);
    string s;
  cin>>s;
  	if(hi(s))
      cout<<"Yes";
     else
       cout<<"No";
    return 0;
}

Compiler output:
a.cc: In function 'bool hi(std::string)':
a.cc:19:8: error: 'ar' was not declared in this scope
   19 |     if(ar[i]=='h' && ar[i+1]=='i')
      |        ^~
Language: C++

#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <list>
#include <algorithm>

#define rep(i, n) for (int i = 0; i < (int)(n); i++)
typedef long long llong;
typedef unsigned long long ullong;

using namespace std;

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

	bool h = true;
	for (auto& it : s)
	{
		if (h && it == 'h')
		{
			h = false;
		}
		else if( !h && it == 'i')
		{
			h = true;
		}
		else
		{
			cout << "No";
			return;
		}
	}

	if( h )
		cout << "Yes";
	else
		cout << "No";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:25: error: return-statement with no value, in function returning 'int' [-fpermissive]
   32 |                         return;
      |                         ^~~~~~
Language: C++

//shahil_005
//Some basic pre-written functions might have been copied from www.geeksforgeeks.org or cp-algorithms.com//

#include <bits/stdc++.h>

using namespace std;

#define endl '\n'
#define int long long
#define sync ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)

const int N = 1e5 + 5;
//const long long MOD=(long long)(1e9+7);
const long long INIT=(long long)(1e6+1);

int32_t main()
{
    string s;
    cin >> s;
    int n = s.size();
    int flag =0;
    for(int i=0;i<=n-1;i+=2)
    {
        if(s[i] == "h" && s[i] == "i")
        {
            continue;
        }
        else
        {
            flag =1;
        }
    }
    if(flag == 1)
    {
        cout << "No";
    }
    else
    {
        cout << "Yes";
    }

    return 0;
}



Compiler output:
a.cc: In function 'int32_t main()':
a.cc:24:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   24 |         if(s[i] == "h" && s[i] == "i")
a.cc:24:32: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
   24 |         if(s[i] == "h" && s[i] == "i")
Language: C++

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

int main()
{
    stirng s;cin>>s;
    if(s == "hi"||s == "hihi"||s == "hihihi"||s == "hihihihi"||s == "hihihihihi"||)cout<<"Yes"<<endl;
    else cout<<"No"<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: 'stirng' was not declared in this scope
    9 |     stirng s;cin>>s;
      |     ^~~~~~
a.cc:9:19: error: 's' was not declared in this scope
    9 |     stirng s;cin>>s;
      |                   ^
a.cc:10:83: error: expected primary-expression before ')' token
   10 |     if(s == "hi"||s == "hihi"||s == "hihihi"||s == "hihihihi"||s == "hihihihihi"||)cout<<"Yes"<<endl;
      |                                                                                   ^
Language: C++

#include <iostream>
#include <string>

int main() {
  std::string str;
  std::cin >> str;
  if (str.find("hi") != std::string::npos) std::cocut << "Yes" << std::endl;
  else std::cout << "No" << std::endl;
  
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:49: error: 'cocut' is not a member of 'std'; did you mean 'cout'?
    7 |   if (str.find("hi") != std::string::npos) std::cocut << "Yes" << std::endl;
      |                                                 ^~~~~
      |                                                 cout
Language: C++

#include <bits/stdc++.h>

using namespace std;

int main(){
    string S;
    cin >> S;
    for(int i=0;i<S.size();i++){
        if(i%2==0){
            if(S[i]!='h'){
                cout << "No" << endl;
                return 0;
            }
        }else{
             if(S[i]!='i'){
                cout << "No" << endl;
                return 0;
            }
        }
    }

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

Compiler output:
a.cc: In function 'int main()':
a.cc:22:9: error: could not convert 'S.std::__cxx11::basic_string<char>::operator=(((const char*)""))' from 'std::__cxx11::basic_string<char>' to 'bool'
   22 |     if(S=""){
      |        ~^~~
      |         |
      |         std::__cxx11::basic_string<char>
Language: C

#include<stdio.h>
int main(void){
  int a[10],i;
  scanf("%s",a);
  for(i=1;i<10;i++){
    if(a[i-1]=='h'&&a[i]=='i'){
      printf("Yes");
      return 0;
    }
    printf("No");
    return 0;
  }

Compiler output:
main.c: In function 'main':
main.c:12:3: error: expected declaration or statement at end of input
   12 |   }
      |   ^
Language: C++

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

int main() {
  string s;
  cin >> s;
  if(s=="hi" $$ s=="hihi" $$ s=="hihihi" $$ s=="hihihihi" $$ s=="hihihihihi"){
    cout << "Yes" << endl; 
  } else {
    cout << "No" << endl; 
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:7:13: error: expected ')' before '$$'
    7 |   if(s=="hi" $$ s=="hihi" $$ s=="hihihi" $$ s=="hihihihi" $$ s=="hihihihihi"){
      |     ~       ^~~
      |             )
Language: C++

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

using namespace std;
const long long INF = (long long) (1e18)+1;

int main() {
  string s;
  cin >> s;
  // // map<string, int> words;
  for(int i=0; i<s.size(); ++i){
    if (s[i] == 'h' && s[i+1] == 'i') {hi
      ++i;
    } else {
      cout << "No" << endl;
      return 0;
    }
  }
  cout << "Yes" << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:40: error: 'hi' was not declared in this scope; did you mean 'i'?
   15 |     if (s[i] == 'h' && s[i+1] == 'i') {hi
      |                                        ^~
      |                                        i
Language: C++

#include<iostream>
#include<bits/stdc++.h>
using namespaces std;
int main()
{
  string s;cin>>s;
  for(int i=0;i<s.length();i+=2)
  {
    if(s[i]!='h' || s[i+1]!='i')
    { cout<<"No"<<endl;return 0;}
  }
  cout<<"Yes";
}
      

Compiler output:
a.cc:3:7: error: expected nested-name-specifier before 'namespaces'
    3 | using namespaces std;
      |       ^~~~~~~~~~
a.cc: In function 'int main()':
a.cc:6:3: error: 'string' was not declared in this scope
    6 |   string s;cin>>s;
      |   ^~~~~~
a.cc:6:3: 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:6:12: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    6 |   string s;cin>>s;
      |            ^~~
      |            std::cin
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:6:17: error: 's' was not declared in this scope
    6 |   string s;cin>>s;
      |                 ^
a.cc:10:7: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   10 |     { cout<<"No"<<endl;return 0;}
      |       ^~~~
      |       std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:10:19: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
   10 |     { cout<<"No"<<endl;return 0;}
      |                   ^~~~
      |                   std::endl
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
a.cc:12:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   12 |   cout<<"Yes";
      |   ^~~~
      |   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;

int main(){
	string s;
	cin >> s;
	int f=0;
	for(int i=0;i<s.size();i++){
		if(i%2==0){
			if(s.at(i)!='h'){
				f=1;
			}
		}else if(i%2!=0){
			if(s.at(i)!='i'){
				f=1;
			}
		}
	}
	if(f==0){
		cout << "Yes" << endl;
	}else{
		cout < "No" << endl;
	}
}


Compiler output:
a.cc: In function 'int main()':
a.cc:22:29: error: invalid operands of types 'const char [3]' and '<unresolved overloaded function type>' to binary 'operator<<'
   22 |                 cout < "No" << endl;
      |                        ~~~~~^~~~~~~
Language: C++

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

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

int main() {
    string s;
    cin >> s;
    bool ans = true;
    if(s.size()%2==1)ans=false;
    else
    rep(i,s.size()/2){
        if(!(s[i]=='h'&&s[i+1]=='i'))
        ans=false;
    }
    if(ans)cout << "Yes" << endl;
    else cout << "No" << endl;
}

Compiler output:
a.cc:16:5: error: redefinition of 'int main()'
   16 | int main() {
      |     ^~~~
a.cc:7:5: note: 'int main()' previously defined here
    7 | int main() {
      |     ^~~~
Language: C++

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

int main(){

    string S;

    cin >> S;

    int f=0;

    for(int i=0;i<S.length;i++)
    {
        if(f==0){
            if(S[i]!='h'){
                cout << "No";
                return 0;
            }
            f=1;
        }else{
            if(S[i]!='i'){
                cout << "No";
                return 0;
            }
            f=0;
        }
    }

    cout << "Yes";

    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:21: 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 '()' ?)
   20 |     for(int i=0;i<S.length;i++)
      |                   ~~^~~~~~
      |                           ()
Language: C++

#include <bits/stdc++.h>

using namespace std;
using llong = long long;
using ldbl = long double;
using lpair = pair<llong, llong>;

#define ALL(x) x.begin(), x.end()

template<typename T>
constexpr T inf = static_cast<T>(pow(10, static_cast<int>(log10(numeric_limits<T>::max())))) + 7;
constexpr llong mod = 1e9+7;

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

  for (int i = 0; i < S.size(); i += 2) {
    ok &= S[i] == 'h' && S[i + 1] == 'i';
  }

  cout << (ok ? "Yes": "No") << endl;

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:5: error: 'ok' was not declared in this scope
   19 |     ok &= S[i] == 'h' && S[i + 1] == 'i';
      |     ^~
a.cc:22:12: error: 'ok' was not declared in this scope
   22 |   cout << (ok ? "Yes": "No") << endl;
      |            ^~
Language: C++

#include <iostream>
#include <string>

using namespace std;

int main()
{
	string n;
	cin >> n;

	if (n.length % 2 == 1) {
		cout << "No" << endl;
		return 0;
	}
	for (int i = 0; i < n.length(); i++) {
		if (i % 2 == 1) {
			if (n[i] != 'i') {
				cout << "No" << endl;
				return 0;
			}
		}
		else {
			if (n[i] != 'h') {
				cout << "No" << endl;
				return 0;
			}
		}
	}
	cout << "Yes" << endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:11:15: 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 '()' ?)
   11 |         if (n.length % 2 == 1) {
      |             ~~^~~~~~
      |                     ()
Language: C++

#include<iostream>
#include<string>
using namespace std;
int main() {
  string S;
  cin >> S;
  bool f = false;
  int i;
  if(S.size()%2 == 0) {
    f = true;
    for(i=0;i<S.size()/2;i++) {
      if(!(S[i*2] == 'h' && S[i*2+1] == 'i'))f = false;
    }
  }
  cout << f?"Yes":"No" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:24: error: invalid operands of types 'const char [3]' and '<unresolved overloaded function type>' to binary 'operator<<'
   15 |   cout << f?"Yes":"No" << endl;
      |                   ~~~~~^~~~~~~
Language: C++

/*input
hi

*/

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;

ll MOD = 1000000007;
const int SINF = 1000000009;
const ll INF =  1000000000000000018;

#define sp          cout << " "
#define nl          cout << "\n"
#define inv(a)      powr((a), (MOD - 2))
#define all(c)      (c).begin(),(c).end()
#define rep(i,a,b)  for(ll i = (a); i < (b); i ++)
#define prec(n)     cout << fixed << setprecision(n)
#define PI          3.14159265358979323846264338327951
#define ifalse      ios_base::sync_with_stdio(false), cin.tie(NULL)

template<typename T> void toInt(string s, T &a) { istringstream(s) >> a; }
ll gcd(ll a, ll b) { ll t; while(a) { t = a; a = b%a; b = t; } return b; }
ll sub(ll a, ll b) { a -= b; a = (a + MOD) % MOD; return a; }
ll mul(ll a, ll b) { return ((a % MOD) * (b % MOD)) % MOD; }
ll add(ll a, ll b) { a += b; a %= MOD; return a; }
ll lcm(ll a, ll b) { return (a * b) / gcd(a, b); }

ll powr(ll a, ll b) {
  ll x = 1LL;
  while(b) {
    if(b & 1) x = mul(x, a);
    a = mul(a, a), b >>= 1;
  }
  return x;
}

bool check(ll n)
{
  if(n == 1) return 0;
  if(n == 2 or n == 3) return 1;
  if(n%2 == 0 or n%3 == 0) return 0;
  for(ll i = 5; i*i <= n; i += 6) if(n%i == 0 or n % (i+2) == 0) return 0;
  return 1;
}

/*********************************START**********************************/
const int N = 100005;

int main()
{
  ifalse;
  string s;
  cin >> s;
  bool flag = 0;
  for(int i = 0; i < s.length(); i ++) {
    if(i & 1 and s[i] != 'i') {
      flag = 1;
    }
    if(i % 2 == 0 and s[i] != 'h') {
      flag = 1;
    }
  }
  if(flag or (n & 1)) {
    cout << "No";
  } else {
    cout << "Yes";
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:67:15: error: 'n' was not declared in this scope
   67 |   if(flag or (n & 1)) {
      |               ^
Language: C++

s = input()
if 'hi' in s:
     print('Yes')
else:
    print('No')

Compiler output:
a.cc:2:4: warning: multi-character character constant [-Wmultichar]
    2 | if 'hi' in s:
      |    ^~~~
a.cc:3:12: warning: multi-character character constant [-Wmultichar]
    3 |      print('Yes')
      |            ^~~~~
a.cc:5:11: warning: multi-character character constant [-Wmultichar]
    5 |     print('No')
      |           ^~~~
a.cc:1:1: error: 's' does not name a type
    1 | s = input()
      | ^
Language: C++

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

int main() {
    string s;
    cin >> s;
    bool ans = true;
    if(s.size()%2==1)ans=false;
    else
    rep(i,s.size()/2){
        if(!(s[i]=='h'&&s[i+1]=='i'))
        ans=false;
    }
    if(ans)cout << "Yes" << endl;
    eles cout << "No" << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:5: error: 'eles' was not declared in this scope
   18 |     eles cout << "No" << endl;
      |     ^~~~