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

#include <iostream>
#include <vector>
#include <set>

#define rep(i,a) for(int i = 0 ; i < a ; i ++)
#define loop(i,a,b) for(int i = a ; i < b ; i ++)
#define vi vector<int>
#define vs vector<string>
#define pb push_back
#define mp make_pair
using namespace std;



int main(void){
  string s,nxt = "";
  cin>>s;
  int ret = 0;
  rep(i,s.size()){
    if(s[i] == 'x'){
      ret ++;
    } else {
      nxt += s[i];
    }
  }
  // cout<<nxt<<endl;
  string bf = nxt.substr(0,nxt.size()/2);
  int begin = (nxt.size()/2%2==0?nxt.size()/2:nxt.size()/2+1);
  string af = nxt.substr(begin,nxt.size()-(nxt.size()/2));
  reverse(af.begin(),af.end());

  if(af == bf){
    cout<<ret<<endl;

  } else {
    cout<<-1<<endl;
  }

}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:3: error: 'reverse' was not declared in this scope
   30 |   reverse(af.begin(),af.end());
      |   ^~~~~~~
Language: C++

# coding: utf-8
# Here your code !
s=input()
p=''.join(s.split('x'));
if p==p[::-1]:
    a=[0]
    for i in range(len(s)):
        if s[i]=='x':
            a[-1]+=1
        else:
            a.append(0)

    for i in range(len(a)//2):
        a[i]=abs(a[i]-a[-i-1])
    print(sum(a[:len(a)//2]))
else:
    print(-1)    

Compiler output:
a.cc:1:3: error: invalid preprocessing directive #coding
    1 | # coding: utf-8
      |   ^~~~~~
a.cc:2:3: error: invalid preprocessing directive #Here
    2 | # Here your code !
      |   ^~~~
a.cc:4:3: error: empty character constant
    4 | p=''.join(s.split('x'));
      |   ^~
a.cc:3:1: error: 's' does not name a type
    3 | s=input()
      | ^
a.cc:5:1: error: expected unqualified-id before 'if'
    5 | if p==p[::-1]:
      | ^~
Language: Java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;


public class C {
	
	static class Scanner{
		BufferedReader br=null;
		StringTokenizer tk=null;
		public Scanner(){
			br=new BufferedReader(new InputStreamReader(System.in));
		}
		public String next() throws IOException{
			while(tk==null || !tk.hasMoreTokens()) {
				String cad = br.readLine();
				if (cad == null)
					return null;
				tk=new StringTokenizer(cad);
			}
			return tk.nextToken();
		}
		public int nextInt() throws NumberFormatException, IOException{
			return Integer.valueOf(next());
		}
		public long nextLong() throws NumberFormatException, IOException{
			return Long.valueOf(next());
		}
		public double nextDouble() throws NumberFormatException, IOException{
			return Double.valueOf(next());
		}
	}
	
	
	static char[] s;
	
	static int f() {
		int l = 0;
		int r = s.length - 1;
		int add = 0;
		while(l < r) {
			if (s[l] == s[r]) {
				l++;
				r--;
			}
			else if (s[l] == 'x') {
				add++;
				l++;
			}
			else if (s[r] == 'x') {
				add++;
				r--;
			}
			else
				return -1;
		}
		return add;
	}
	
	public static void main(String args[]) throws IOException {
		Scanner sc = new Scanner();
		s = sc.next().toCharArray();
		System.out.println(f());
	}

}


Compiler output:
Main.java:7: error: class C is public, should be declared in a file named C.java
public class C {
       ^
1 error
Language: C++

#include<iostream>
#include<vector>
#include<string>
#include<cmath>
#include<map>
#include<queue>
#include<stack>
#include<algorithm>
#include<functional>

typedef unsigned long long LL;

using namespace std;

int main() {
	string S;
	cin >> S;
	string compare;
	for (int i = 0; i < S.length(); i++) {
		if (S[i] != 'x') {
			compare.push_back(S[i]);
		}
	}
	vector<int> xNum(0, 0);
	int answer = 0;
	for (int i = 0; i < compare.length()/2; i++) {
		if (compare[i] != compare[compare.length() - i - 1]) {
			answer = -1;
			goto END;
		}
	}
	int tmp = 0;
	for (int i = 0; i < S.length(); i++) {
		if (S[i] == 'x') {
			tmp++;
		}
		else {
			xNum.push_back(tmp);
			tmp = 0;
		}
	}
	xNum.push_back(tmp);

	for (int i = 0; i < xNum.size()/2; i++){
		answer += xNum[i] - xNum[xNum.size() - i - 1] > 0 ? xNum[i] - xNum[xNum.size() - i - 1] : xNum[xNum.size() - i - 1] - xNum[i];
	}

END:
	cout << answer << endl;
	
}

Compiler output:
a.cc: In function 'int main()':
a.cc:48:1: error: jump to label 'END'
   48 | END:
      | ^~~
a.cc:29:30: note:   from here
   29 |                         goto END;
      |                              ^~~
a.cc:32:13: note:   crosses initialization of 'int tmp'
   32 |         int tmp = 0;
      |             ^~~
Language: C++

#include <bits/stdc++.h>
typedef long long LL;
#define SORT(c) sort((c).begin(),(c).end())
 
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
 
using namespace std;
int test(string s)
{
  auto l=s.begin(), r=s.end();
  --r;
  while(1){
    while(*l=='x' && l!=r) ++l;
    while(*r=='x' && l!=r) --r;
    if(l==r) return 1;
    if(*l!=*r) return0;
    ++l;
    if(l==r) return 1;
    --r;
  }
}
int main(void)
{
  string s;
  cin >> s;
  cout << (test(s)?"Yes":"No") << endl;
  return 0;
}

Compiler output:
a.cc: In function 'int test(std::string)':
a.cc:17:16: error: 'return0' was not declared in this scope
   17 |     if(*l!=*r) return0;
      |                ^~~~~~~
Language: C++

#include <bits/stdc++.h>
#define ll long long
#define INF 1000000005
#define MOD 1000000007
#define EPS 1e-10
#define rep(i,n) for(int i=0;i<(int)(n);++i)
#define rrep(i,n) for(int i=(int)(n)-1;i>=0;--i)
#define srep(i,s,t) for(int i=(int)(s);i<(int)(t);++i)
#define each(a,b) for(auto (a): (b))
#define all(v) (v).begin(),(v).end()
#define len(v) (int)(v).size()
#define zip(v) sort(all(v)),v.erase(unique(all(v)),v.end())
#define cmx(x,y) x=max(x,y)
#define cmn(x,y) x=min(x,y)
#define fi first
#define se second
#define pb push_back
#define show(x) cout<<#x<<" = "<<(x)<<endl
#define spair(p) cout<<#p<<": "<<p.fi<<" "<<p.se<<endl
#define svec(v) cout<<#v<<":";rep(kbrni,v.size())cout<<" "<<v[kbrni];cout<<endl
#define sset(s) cout<<#s<<":";each(kbrni,s)cout<<" "<<kbrni;cout<<endl
#define smap(m) cout<<#m<<":";each(kbrni,m)cout<<" {"<<kbrni.first<<":"<<kbrni.second<<"}";cout<<endl

using namespace std;

typedef pair<int,int> P;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vl;
typedef vector<double> vd;
typedef vector<P> vp;

const int MAX_N = 100005;

// int cnt[26];
// int cc[26];

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    string s;
    cin >> s;
    string t = s;
    reverse(all(t));
    int l = 0,r = 0;
    while(1){
        if(l+r>=len(s)-1){
            break;
        }
        if(s[l] != t[r]){
            if(s[l] == 'x'){
                l++;
                a1++;
            }else if(t[r] == 'x'){
                r++;
                a2++;
            }else{
                cout << "-1\n";
                return 0;
            }
        }else{
            l++,r++;
        }
    }
    cout << ad << "\n";
    // rep(i,len(s)){
    //     cnt[s[i]-'a']++;
    // }
    // int od = 0;
    // int id;
    // rep(i,26){
    //     if(i != 23){
    //         if(cnt[i] % 2 == 1){
    //             od++;
    //             id = i;
    //         }
    //     }
    // }
    // if(od >= 2){
    //     cout << "-1\n";
    // }else if(od == 1){
    //     rep(i,id){
    //         cc[s[i]-'a']++;
    //     }
    //     rep(i,id){
    //         cc[]
    //     }
    // }else{
    //
    // }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:54:17: error: 'a1' was not declared in this scope; did you mean 'y1'?
   54 |                 a1++;
      |                 ^~
      |                 y1
a.cc:57:17: error: 'a2' was not declared in this scope
   57 |                 a2++;
      |                 ^~
a.cc:66:13: error: 'ad' was not declared in this scope; did you mean 'vd'?
   66 |     cout << ad << "\n";
      |             ^~
      |             vd
Language: C++

int findMinInsertions(char str[], int l, int h)
{
    // Base Cases
    if (l > h) return INT_MAX;
    if (l == h) return 0;
    if (l == h - 1) return (str[l] == str[h])? 0 : 1;
 
    // Check if the first and last characters are
    // same. On the basis of the comparison result, 
    // decide which subrpoblem(s) to call
    return (str[l] == str[h])? 
                     findMinInsertions(str, l + 1, h - 1):
                     (min(findMinInsertions(str, l, h - 1),
                     findMinInsertions(str, l + 1, h)) + 1);
}

Compiler output:
a.cc: In function 'int findMinInsertions(char*, int, int)':
a.cc:4:23: error: 'INT_MAX' was not declared in this scope
    4 |     if (l > h) return INT_MAX;
      |                       ^~~~~~~
a.cc:1:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
  +++ |+#include <climits>
    1 | int findMinInsertions(char str[], int l, int h)
a.cc:13:23: error: 'min' was not declared in this scope
   13 |                      (min(findMinInsertions(str, l, h - 1),
      |                       ^~~
Language: C++

#include <bits/stdc++.h>
#include <cstdio>
using namespace std;
char buf[100050];
int main(){
	gets(buf);
	int n = strlen(buf), p = 0, lp = 0;
	for(int i=0;i<n;i++){
		//printf("%i, %i\n", i, n-i-1-p+lp);
		if(i == (n-i-1-p+lp)) break;
		if(buf[i] == buf[(n-i-1-p+lp)]) continue;
		if(buf[(n-i-1-p+lp)] == 'x') {p++; i--;}
		else if(buf[i] == 'x') {lp++;}
		else {
			p = -1; break;
		}
	}
	printf("%i\n", p + lp);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
    6 |         gets(buf);
      |         ^~~~
      |         getw
Language: C++

#include <bits/stdc++.h>
using namespace std;
char buf[100050];
int main(){
	gets(buf);
	int n = strlen(buf), p = 0, lp = 0;
	for(int i=0;i<n;i++){
		//printf("%i, %i\n", i, n-i-1-p+lp);
		if(i == (n-i-1-p+lp)) break;
		if(buf[i] == buf[(n-i-1-p+lp)]) continue;
		if(buf[(n-i-1-p+lp)] == 'x') {p++; i--;}
		else if(buf[i] == 'x') {lp++;}
		else {
			p = -1; break;
		}
	}
	printf("%i\n", p + lp);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:9: error: 'gets' was not declared in this scope; did you mean 'getw'?
    5 |         gets(buf);
      |         ^~~~
      |         getw
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define vi vector<int>
#define vvi vector<vi>
#define vs vector<string>
#define pb push_back
#define P pair<int,int>
#define vp vector<P>
#define PP pair<P,int>
#define vpp vector<PP>
#define fi first
#define se second
#define INF (1<<30)
#define MOD 1000000007
#define REP(i,n) for(int i=0;i<n;i++)
#define REPR(i,n) for(int i=n;i>=0;i--)
#define FOR(i,m,n) for(int i=m;i<n;i++)
#define all(x) (x).begin(),(x).end()
int main(){
    string st;
    cin>>st;
    string a;
    int cnt=0;
    REP(i,st.length()){
        if(st[i]!='x'){
            a+=st[i];
        }else{
            cnt++;
        }
    }
    bool f=true;
    REP(i,st.length()){
        if(st[i]!=st[st.lenght()-1-i]){
            f=false;
            break;
        }
    }
    if(f){
        cout<<0<<endl;
        return 0;
    }
    f=true;
    REP(i,a.length()){
        if(a[i]!=a[a.length()-1-i]){
            f=false;
            break;
        }
    }
    if(f){
        cout<<cnt<<endl;
    }else{
        cout<<-1<<endl;
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:33:25: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'lenght'; did you mean 'length'?
   33 |         if(st[i]!=st[st.lenght()-1-i]){
      |                         ^~~~~~
      |                         length
Language: C++

#ifdef DEBUG
#define _GLIBCXX_DEBUG
#endif

#include <bits/stdc++.h>

using namespace std;

typedef long double ld;

#ifdef DEBUG
#define eprintf(...) fprintf(stderr, __VA_ARGS__), fflush(stderr)
#else
#define eprintf(...) ;
#endif

#define sz(x) ((int) (x).size())
#define TASK "text"

const int inf = (int) 1.01e9;
const long long infll = (long long) 1.01e18;
const ld eps = 1e-9;
const ld pi = acos((ld) -1);

mt19937 mrand(random_device{} ()); 

int rnd(int x) {
  return mrand() % x;
}

void precalc() {
}

const int maxn = (int) 1e5 + 5;
int n;
char tmp[maxn];
string s;

int read() {
  if (scanf("%s", tmp) < 1) {
    return false;
  }
  s = tmp;
  n = sz(s);
  return true;
}

void solve() {
  int l = 0, r = n;
  int res = 0;
  while (l < r - 1) {
    if (s[l] == 'x') {
      if (s[r - 1] == 'x') {
        l++;
        r--;
      } else {
        l++;
        res++;
      }
    } else {
      if (s[r - 1] == 'x') {
        r--;
        res++;
      } else {
        if (s[l] != s[r - 1]) {
          prinf("-1\n");
          return;
        } else {
          l++;
          r--;
        }
      }
    }
  }
  printf("%d\n", res);
}

int main() {
  precalc();
#ifdef DEBUG
  assert(freopen(TASK ".in", "r", stdin));
  assert(freopen(TASK ".out", "w", stdout));
#endif
  while (read()) {
    solve();
#ifdef DEBUG
    eprintf("Time %.2f\n", (double) clock() / CLOCKS_PER_SEC);
#endif
  }
  return 0;
}


Compiler output:
a.cc: In function 'void solve()':
a.cc:66:11: error: 'prinf' was not declared in this scope; did you mean 'printf'?
   66 |           prinf("-1\n");
      |           ^~~~~
      |           printf
Language: C++

#include<iostream>
#include<iomanip>
#include<cstdio>
#include<algorithm>
#include<cassert>
#include<cmath>
#include<vector>
#include<map>
#include<set>
#include<string>
#include<queue>
#include<stack>
#include<list>
#include <cstring>
#include <functional>
//#include<unordered_map>
//#include<unordered_set>
using namespace std;
#define MOD 1000000007
#define MOD2 998244353
#define INF ((1<<30)-1)
#define LINF ((Int)1<<60)
#define EPS (1e-10)
#define REP(i,n) for(int i=0; i<(int)(n); ++i)
#define RREP(i,n) for(int i=1; i<=(int)(n); ++i)
#define FOR(i,k,n) for(int i=(k);i<(int)(n);++i)
typedef long long Int;
typedef pair<Int, Int> P;
typedef vector<double> vec;
typedef vector<vec> mat;
const int N = 200005;
//////////////////////////////

string s;
int n;
vector<int> dp(N, INF);
vector<int> memo(1 << 26, INF);
int xor(int bit, int i)
{
	return bit ^ (1 << i);
}

void solve()
{
	cin >> s;
	n = s.size();
	dp[0] = 0;
	memo[0] = 0;
	int par = 0;
	RREP(i, n) {
		par = xor (par, s[i - 1] - 'a');
		dp[i] = min(dp[i], memo[par] + 1);
		REP(j, 26) {
			par = xor (par, j);
			dp[i] = min(dp[i], memo[par] + 1);
			par = xor (par, j);
		}
		memo[par] = min(memo[par], dp[i]);
	}
	cout << dp[n] << endl;
}

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0); cout << fixed << setprecision(13);
	solve();
	return 0;
}



Compiler output:
a.cc:38:5: error: expected unqualified-id before 'xor' token
   38 | int xor(int bit, int i)
      |     ^~~
a.cc: In function 'void solve()':
a.cc:51:23: error: expected primary-expression before 'xor' token
   51 |                 par = xor (par, s[i - 1] - 'a');
      |                       ^~~
a.cc:54:31: error: expected primary-expression before 'xor' token
   54 |                         par = xor (par, j);
      |                               ^~~
a.cc:56:31: error: expected primary-expression before 'xor' token
   56 |                         par = xor (par, j);
      |                               ^~~
Language: C++

#include <bits/stdc++.h>

#include <boost/range/adaptors.hpp>
#include <boost/range/irange.hpp>

using namespace std;
using namespace boost;
using namespace boost::adaptors;

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

    constexpr int64_t M = 'z' - 'a' + 1;

    unordered_map<int64_t, int64_t> m;
    m[0] = 0;
    bitset<M> bs;
    for (auto c : s) {
        auto i = c - 'a';
        bs.flip(i);

        if (!m.count(bs.to_ulong())) {
            m[bs.to_ulong()] = numeric_limits<int64_t>::max();
        }
        for (auto j : irange(M)) {
            auto bs2 = bs;
            bs2.flip(j);
            if (m.count(bs2.to_ulong())) {
                m[bs.to_ulong()] = min(m[bs.to_ulong()], m[bs2.to_ulong()] + 1);
            }
        }

        // cerr << bs << ":" << m[bs.to_ulong()] << endl;
    }

    if (bs.none()) {
        cout << 1 << endl;
    } else {
        cout << m[bs.to_ulong()] << endl;
    }
}

Compiler output:
a.cc:3:10: fatal error: boost/range/adaptors.hpp: No such file or directory
    3 | #include <boost/range/adaptors.hpp>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include<iostream>
#include<algorithm>
#include<vector>
#include<string>
using namespace std;
#define long long int
int dp[1<<26]={0};
int main(){
  string s;
  cin>>s;
  vector<ll> hs;
  ll now_h=0;
  ll n=s.length();
  for(int i=0;i<n;i++){
    ll c=(ll)(s[i]-'a');
    now_h^=((ll)1<<c);
    hs.push_back(now_h);
  }
  for(int i=0;i<(1<<27);i++) dp[i]=174417441744;
  dp[0]=0;
  for(int i=0;i<n;i++){
    dp[hs[i]]++;
    for(int j=0;j<26;j++){
      if(hs[i]==(1<<j)) dp[hs[i]]=1;
      dp[hs[i]]=min(dp[hs[i]],dp[hs[i]^(1<<j)]+1);
    }
  //  dp[hs[i]]++;
  //  cout<<dp[hs[i]]<<endl;
  }
  cout<<dp[hs[n-1]]<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:11:10: error: 'll' was not declared in this scope
   11 |   vector<ll> hs;
      |          ^~
a.cc:11:12: error: template argument 1 is invalid
   11 |   vector<ll> hs;
      |            ^
a.cc:11:12: error: template argument 2 is invalid
a.cc:12:5: error: expected ';' before 'now_h'
   12 |   ll now_h=0;
      |     ^~~~~~
      |     ;
a.cc:13:5: error: expected ';' before 'n'
   13 |   ll n=s.length();
      |     ^~
      |     ;
a.cc:14:17: error: 'n' was not declared in this scope
   14 |   for(int i=0;i<n;i++){
      |                 ^
a.cc:15:7: error: expected ';' before 'c'
   15 |     ll c=(ll)(s[i]-'a');
      |       ^~
      |       ;
a.cc:16:5: error: 'now_h' was not declared in this scope
   16 |     now_h^=((ll)1<<c);
      |     ^~~~~
a.cc:16:17: error: expected ')' before numeric constant
   16 |     now_h^=((ll)1<<c);
      |            ~    ^
      |                 )
a.cc:17:8: error: request for member 'push_back' in 'hs', which is of non-class type 'int'
   17 |     hs.push_back(now_h);
      |        ^~~~~~~~~
a.cc:19:36: warning: overflow in conversion from 'long int' to 'int' changes value from '174417441744' to '-1676217392' [-Woverflow]
   19 |   for(int i=0;i<(1<<27);i++) dp[i]=174417441744;
      |                                    ^~~~~~~~~~~~
a.cc:21:17: error: 'n' was not declared in this scope
   21 |   for(int i=0;i<n;i++){
      |                 ^
a.cc:22:10: error: invalid types 'int[int]' for array subscript
   22 |     dp[hs[i]]++;
      |          ^
a.cc:24:12: error: invalid types 'int[int]' for array subscript
   24 |       if(hs[i]==(1<<j)) dp[hs[i]]=1;
      |            ^
a.cc:24:30: error: invalid types 'int[int]' for array subscript
   24 |       if(hs[i]==(1<<j)) dp[hs[i]]=1;
      |                              ^
a.cc:25:12: error: invalid types 'int[int]' for array subscript
   25 |       dp[hs[i]]=min(dp[hs[i]],dp[hs[i]^(1<<j)]+1);
      |            ^
a.cc:25:26: error: invalid types 'int[int]' for array subscript
   25 |       dp[hs[i]]=min(dp[hs[i]],dp[hs[i]^(1<<j)]+1);
      |                          ^
a.cc:25:36: error: invalid types 'int[int]' for array subscript
   25 |       dp[hs[i]]=min(dp[hs[i]],dp[hs[i]^(1<<j)]+1);
      |                                    ^
a.cc:30:15: error: 'n' was not declared in this scope
   30 |   cout<<dp[hs[n-1]]<<endl;
      |               ^
Language: C++

#include <iostream>
#include <cstring>

using namespace std;

typedef long long ll;

int a[200005];
int dp[1 << 26];
const ll INF = 1e9;

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

  for(int i = 0; i < s.size(); i++) {
    a[i+1] = (1ll << (s[i] - 'a')) ^ a[i];
    //  cout << a[i+1] << endl;
  }

  for(int i = 0; i < (1 << 26); i++) dp[i] = INF;

  dp[0] = 0;

  ll tmp;
  for(int i = 1; i <= s.size(); i++) {
    tmp = dp[a[i]];
    for(int j = 0; j < 26; j++) {
      ll s = (1ll << j);
      tmp = min(tmp,dp[a[i] ^ s]);
    }
    dp[a[i]] = min(dp[a[i]],tmp + 1);
    //  cout << a[i] <<"   "<<dp[a[i]] << endl;
  }
  cout << tmp + 1 << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:30:16: error: no matching function for call to 'min(ll&, int&)'
   30 |       tmp = min(tmp,dp[a[i] ^ s]);
      |             ~~~^~~~~~~~~~~~~~~~~~
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:30:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   30 |       tmp = min(tmp,dp[a[i] ^ s]);
      |             ~~~^~~~~~~~~~~~~~~~~~
/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
a.cc:32:19: error: no matching function for call to 'min(int&, ll)'
   32 |     dp[a[i]] = min(dp[a[i]],tmp + 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:32:19: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   32 |     dp[a[i]] = min(dp[a[i]],tmp + 1);
      |                ~~~^~~~~~~~~~~~~~~~~~
/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 <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <string>
#include <bitset>
#include <unordered_map>

using ll = long long;

using namespace std;

using bs = bitset<26>;
#define INF 200010

int main() {
    string s;
    cin >> s;
    int len = s.size();
    bs rui[len+1];
    for (int i=0; i<len; i++) {
        rui[i+1] = rui[i];
        rui[i+1].flip(s[i] - 'a');
    }
    unordered_map<bs, int> dp;
    dp[0] = 0;
    for (int i=0; i<=len; i++) {
        for (int i=0; i<=26; i++) {
            bs from = rui[i];
            if (i > 0) from.flip(i-1);
            if (!dp.count(rui[i])) dp[rui[i]] = INF;
            if (!dp.count(from)) dp[from] = INF;
            dp[rui[i]] = min(dp[rui[i]], dp[from] + 1);
            if (dif.to_ullong() == 0) break;
        }
    }
    cout << max(dp[rui[len]], 1) << '\n';
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:17: error: 'dif' was not declared in this scope; did you mean 'div'?
   34 |             if (dif.to_ullong() == 0) break;
      |                 ^~~
      |                 div
Language: C++

#include <stdio.h>
#include <array>
#include <bitset>
#include <map>
#include <iterator>

#define FOR(i, a, b) for(int (i) = (a); (i) < (b); ++(i))
#define REP(i, n) FOR(i, 0, n)

template <class T> inline bool chmin(T& a, T b){
    if(a > b){a = b; return true;}
    return false;
}

constexpr int inf = 1e9;
constexpr int N = 2e5;
char str[N+1];
constexpr int ALPHA_SIZE = 'z' - 'a' + 1;
// A[i][j] = [0, i)の中の char<'a'+ j>の個数の偶奇
std::array<std::bitset<ALPHA_SIZE>, N+1> A;
std::array<int, N+1> DP;

int main(void){
    scanf("%s", str);
    const int n = strlen(str);
    REP(i, n){A[i+1] = A[i]; A[i+1].flip(str[i] - 'a');}
    
    for(int i = 1; i <= n; ++i) DP[i] = inf;

    std::map<int, int> minDist;
 
    std::queue<int> Q; DP[0] = 0; Q.push(0); minDist[0] = 0;
    for(int i = 1; i <= n; ++i){
        DP[i] = DP[i-1] + 1;
        int v = A[i].to_ulong();
        std::map<int, int>::iterator itr; 
        REP(j, ALPHA_SIZE){
            int nv = v ^ (1 << j);
            itr = minDist.find(nv);
            if(itr != minDist.end()) chmin(DP[i], itr->second + 1);
        }
        itr = minDist.find(v);
        if(itr == minDist.end()) minDist[v] = DP[i];
        else chmin(DP[i], itr->second + 1);
    }
    printf("%d\n", DP[n]);
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:19: error: 'strlen' was not declared in this scope
   25 |     const int n = strlen(str);
      |                   ^~~~~~
a.cc:6:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    5 | #include <iterator>
  +++ |+#include <cstring>
    6 | 
a.cc:32:10: error: 'queue' is not a member of 'std'
   32 |     std::queue<int> Q; DP[0] = 0; Q.push(0); minDist[0] = 0;
      |          ^~~~~
a.cc:6:1: note: 'std::queue' is defined in header '<queue>'; this is probably fixable by adding '#include <queue>'
    5 | #include <iterator>
  +++ |+#include <queue>
    6 | 
a.cc:32:16: error: expected primary-expression before 'int'
   32 |     std::queue<int> Q; DP[0] = 0; Q.push(0); minDist[0] = 0;
      |                ^~~
a.cc:32:35: error: 'Q' was not declared in this scope
   32 |     std::queue<int> Q; DP[0] = 0; Q.push(0); minDist[0] = 0;
      |                                   ^
Language: C++

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

int cnt[1<<26];

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << fixed << setprecision(20);
    
    string s;
    cin>>s;
    int n = s.size();
    int INF = 1e9;
    for(int i=0;i<(1<<26);i++) cnt[i] = INF;
    cnt[0] = 0;
    int now = 0;
    int ans;
    for(int i=0;i<n;i++){
        now ^= (1<<(s[i]-'a'));
        int ret = 1e9;
        for(int j=0;j<26;j++){
            ret = min(ret,cnt[now^(1<<j)]+1);
        }
        cnt[now] = min(cnt[now],ret);
        ans = cnt[now];
        //cerr << i << " " << ans << endl;
    }
    ans = max(ans,1LL);
    cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:14: error: no matching function for call to 'max(int&, long long int)'
   30 |     ans = max(ans,1LL);
      |           ~~~^~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:30:14: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   30 |     ans = max(ans,1LL);
      |           ~~~^~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:30:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   30 |     ans = max(ans,1LL);
      |           ~~~^~~~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
const int MOD=1e9+7;
//const int MOD=998244353;
const int INF=1e9;
const long long LINF=1e18;
//template
template <typename T>
void fin(T a){
  cout<<a<<endl;
  exit(0);
}
int dp[200005],dp2[70000000],two[27];

//main
signed main(){
  string s;cin>>s; int N=s.size();
  two[0]=1;for(int i=1;i<26;i++)two[i]=two[i-1]*2;
  for(int i=0;i<N;i++)dp[i+1]=dp[i]^two[s[i]-'a'];//dp[i]^dp[j]のbitがちょうど1つの時、s[i]~s[j-1]が回文に出来る
  for(int i=1;i<70000000;i++)dp2[i]=INF;//dp2[i]:dp[j]=iを満たすjの中で[0,j)での最小値
  for(int i=0;i<N;i++){
    int res=INF;
    for(int j=0;j<27;j++)res=min(res,dp2[dp[i+1]^two[j]]);
    dp2[dp[i+1]]=min(dp2[dp[i+1]],res+1);
  }
  fin(max(dp2[dp[N]],1));
}

/*
解説AC
dpまでは自分で考えついたけど解説の通りO(N^2)かかるからダメだよなぁで止まってしまった
かなり残りは自明なところまで来ていただけに悔しいね
文字がi文字目で終わる時の最小値を出していってNについての答えを出すdpは典型だから取りたかった
あと#de i ll を忘れてMLEに悩まされ過ぎていた、反省
/*


Compiler output:
a.cc:29:1: error: unterminated comment
   29 | /*
      | ^
Language: C++

#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
#include<map>
using namespace std;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
map<int,vector<int> >a;
int main(){
    string s;
    cin >> s;
    int n = s.size();
    int tmp = 0;
    rep(i,n){
        int c = s[i]-'a';
        tmp ^= (1<<c);
        a[tmp].push_back(i+1);
    }
    int bits = 0;
    int id = 0;
    int res = 1;
    while(1){
        //cerr << id << endl;
        int mx = -1;
        int mxbits =0;
        int yy = a[bits].size();
            if(yy!=0&&a[bits][yy-1]>id){
                if(mx<a[bits][yy-1]){
                    mx = a[bits][yy-1];
                    mxbits = bits;
                }
            }
        rep(i,26){
            
            int k = bits ^ (1<<i);
            if(mp.find(k)==mp.end())continue;
            int xx = a[k].size();
            if(xx!=0&&a[k][xx-1]>id){
                if(mx<a[k][xx-1]){
                    mx = a[k][xx-1];
                    mxbits = k;
                }
            }
        }
        if(mx==n)break;
        res++;
        bits = mxbits;
        id = mx;
    }
    cout << res << endl;
    
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:36:16: error: 'mp' was not declared in this scope; did you mean 'mx'?
   36 |             if(mp.find(k)==mp.end())continue;
      |                ^~
      |                mx
Language: C++

#include <stdio.h>  
#include <algorithm>  
#include <assert.h>
#include <bitset>
#include <cmath>  
#include <complex>  
#include <deque>  
#include <functional>  
#include <iostream>  
#include <limits.h>  
#include <map>  
#include <math.h>  
#include <queue>  
#include <set>  
#include <stdlib.h>  
#include <string.h>  
#include <string>  
#include <time.h>  
#include <unordered_map>  
#include <unordered_set>  
#include <vector>  
#include <chrono>
#include <random>
#include <time.h>
#define ll long long
#define rep2(i,a,b) for(ll i=a;i<=b;++i)
#define rep(i,n) for(ll i=0;i<n;i++)
#define rep3(i,a,b) for(ll i=a;i>=b;i--)
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pq priority_queue<int>
#define pqg priority_queue<int,vector<int>,greater<int>>
#define pb push_back
#define vec vector<int>
#define vecll vector<ll>
#define vecpii vector<pii>
#define endl "\n"
#define all(c) begin(c),end(c)
using namespace std;
int in() {int x;scanf("%d",&x);return x;}
ll lin() {ll x;scanf("%lld",&x);return x;}

#define INF 1e9+7
#define LLINF 1e18+7
#define N 500000
ll MOD=1e9+7;
int dp[1<<26+2];
main(){
    string ss;cin>>ss;
    int n=ss.size();
    rep(i,1<<26+2){
        dp[i]=INF;
    }
    vec s;
    rep(i,n){
        s.pb((int)(ss[i]-'a'));
    }
    int counter=0;
    rep2(i,0,n-1){
        counter^=1<<s[i];
    }
    int flag=1;
    rep(i,26)if(counter&&(1<<i))flag--;
    if(flag>=0){
        cout<<1<<endl;return 0;
    }
    counter=0;
    dp[0]=0;
    rep(i,n+1){
        rep(j,26){
            int tmp=counter^(1<<j);
            dp[counter]=min(dp[counter],dp[tmp]+1);
        }
        if(i<n)
        counter^=1<<s[i];
        else
        cout<<dp[now]<<endl;
    }
    return 0;
}



Compiler output:
a.cc:48:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   48 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:77:18: error: 'now' was not declared in this scope; did you mean 'pow'?
   77 |         cout<<dp[now]<<endl;
      |                  ^~~
      |                  pow
Language: C++

#include <stdio.h>  
#include <algorithm>  
#include <assert.h>
#include <bitset>
#include <cmath>  
#include <complex>  
#include <deque>  
#include <functional>  
#include <iostream>  
#include <limits.h>  
#include <map>  
#include <math.h>  
#include <queue>  
#include <set>  
#include <stdlib.h>  
#include <string.h>  
#include <string>  
#include <time.h>  
#include <unordered_map>  
#include <unordered_set>  
#include <vector>  
#include <chrono>
#include <random>
#include <time.h>
#define ll long long
#define rep2(i,a,b) for(ll i=a;i<=b;++i)
#define rep(i,n) for(ll i=0;i<n;i++)
#define rep3(i,a,b) for(ll i=a;i>=b;i--)
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pq priority_queue<int>
#define pqg priority_queue<int,vector<int>,greater<int>>
#define pb push_back
#define vec vector<int>
#define vecll vector<ll>
#define vecpii vector<pii>
#define endl "\n"
#define all(c) begin(c),end(c)
using namespace std;
int in() {int x;scanf("%d",&x);return x;}
ll lin() {ll x;scanf("%lld",&x);return x;}

#define INF 1e9+7
#define LLINF 1e18+7
#define N 500000
ll MOD=1e9+7;

int change(vec v){
    int ret=0,bi=1;
    rep(i,26){
        ret+=v[i]*bi;
        bi*=2;
    }
    return ret;
}
vec m[1<<26+1];
main(){
    string ss;cin>>ss;
    int n=ss.size();
    vec dp(n+2,INF);
    vec s;
    rep(i,n){
        s.pb((int)(ss[i]-'a'));
    }
    vec counter(26);
    rep2(i,1,n){
        counter[s[i-1]]^=1;
        m[change(counter)].pb(i);
    }
    int flag=1;
    rep(i,26)flag-=counter[i];
    if(flag>=0){
        cout<<1<<endl;return 0;
    }
    counter=vec(26);
    dp[0]=0;
    rep(i,n+1){
        rep(j,26){
            vec temp=counter;
            temp[j]^=1;
            int cc=change(temp);
            int hh=upper_bound(all(m[cc]),i)-m[cc].begin();
            if(hh==m[cc].size())continue;
            int place=m[cc][hh] 
            dp[place]=min(dp[place],dp[i]+1);
        }
        if(i<n)
        counter[s[i]]^=1;
    }
    cout<<dp[n]<<endl;
    return 0;
}



Compiler output:
a.cc:57:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   57 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:85:13: error: expected ',' or ';' before 'dp'
   85 |             dp[place]=min(dp[place],dp[i]+1);
      |             ^~
Language: C++

#include<iostream>
main(){
  cout<<1<<endl;
  return 0;
}

Compiler output:
a.cc:2:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | main(){
      | ^~~~
a.cc: In function 'int main()':
a.cc:3:3: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    3 |   cout<<1<<endl;
      |   ^~~~
      |   std::cout
In file included from a.cc:1:
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:3:12: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    3 |   cout<<1<<endl;
      |            ^~~~
      |            std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include "bits/stdc++.h"

using namespace std;

using ll = long long;
using ld = long double;
using P = pair<int, int>;
constexpr ld EPS = 1e-12;
constexpr int INF = numeric_limits<int>::max() / 2;
constexpr int MOD = 1e9 + 7;

vector<int> dp(1 << 26, INF);

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);

    string s;
    cin >> s;
    int n = s.length();
    ll mask = 0;
    dp[0] = 0;
    for (int i = 0; i < n; i++)
    {
        int b = s[i] - 'a';
        mask ^= (1LL << b);
        for (int j = 0; j < 26; j++)
        {
            if ((mask >> j) & 1)
            {
                dp[mask] = min(dp[mask], dp[mask ^ (1 << j)] + 1);
            }
        }
    }
    cout << max(1LL, dp[mask]) << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:36:16: error: no matching function for call to 'max(long long int, __gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type&)'
   36 |     cout << max(1LL, dp[mask]) << endl;
      |             ~~~^~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:36:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'})
   36 |     cout << max(1LL, dp[mask]) << endl;
      |             ~~~^~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:36:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   36 |     cout << max(1LL, dp[mask]) << endl;
      |             ~~~^~~~~~~~~~~~~~~
Language: C++

#include <stdio.h>
#include <iostream>
#include <vector>
#include <math.h>
#include <algorithm>
#include <string>
#include <string.h>
#include <bitset>
using namespace std;

/*
typedef long long ll;
bool Finish_read;
template<class T>
inline void read(T &x) {
	Finish_read=0;x=0;int f=1;char ch=getchar();
	while(!isdigit(ch)){if(ch=='-')f=-1;if(ch==EOF)return;ch=getchar();}
	while(isdigit(ch))x=x*10+ch-'0',ch=getchar();
	x*=f;Finish_read=1;
}
template<class T>
inline void print(T x) {
	if(x/10!=0)
		print(x/10);
	putchar(x%10+'0');
}
template<class T>
inline void writeln(T x) {
	if(x<0)
		putchar('-');
	x=abs(x);
	print(x);
	putchar('\n');
}
template<class T>
inline void write(T x) {
	if(x<0)
		putchar('-');
	x=abs(x);
	print(x);
}
/*================Header Template==============*/
const int mx=(1<<26);
int pos[mx],f[200010];
char s[200010];
bitset<26> x[200010];
int main() {
	scanf("%s",s+1);
	int n=std::strlen(s+1);
	f[0]=0;
	memset(pos,-1,sizeof pos);
	pos[0]=0;
	for(int i=1;i<=n;i++) {
		x[i]^=x[i-1];
		x[i][s[i]-'a']=1-x[i][s[i]-'a'];
		f[i]=2e9;
		int t=x[i].to_ulong(),ind=i;
		for(int j=0;j<26;j++) {
			int tmp=(1<<j)^t;
			if(pos[tmp]!=-1&&f[ind]>f[pos[tmp]])
				ind=pos[tmp];
		}
		if(pos[t]!=-1&&f[ind]>f[pos[t]])
			ind=pos[t];
		f[i]=f[ind]+1;
		if(pos[t]==-1||f[i]<f[pos[t]])
			pos[t]=i;
	}
	printf("%d\n",f[n]);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:49:20: error: 'strlen' is not a member of 'std'; did you mean 'mbrlen'?
   49 |         int n=std::strlen(s+1);
      |                    ^~~~~~
      |                    mbrlen
Language: C++

const int mx=(1<<26);
int pos[mx],f[200010];
char s[200010];
#include <bitset>
bitset<26> x[200010];
int main() {
	scanf("%s",s+1);
	int n=strlen(s+1);
	f[0]=0;
	memset(pos,-1,sizeof pos);
	pos[0]=0;
	for(int i=1;i<=n;i++) {
		x[i]^=x[i-1];
		x[i][s[i]-'a']=1-x[i][s[i]-'a'];
		f[i]=2e9;
		int t=x[i].to_ulong(),ind=i;
		for(int j=0;j<26;j++) {
			int tmp=(1<<j)^t;
			if(pos[tmp]!=-1&&f[ind]>f[pos[tmp]])
				ind=pos[tmp];
		}
		if(pos[t]!=-1&&f[ind]>f[pos[t]])
			ind=pos[t];
		f[i]=f[ind]+1;
		if(pos[t]==-1||f[i]<f[pos[t]])
			pos[t]=i;
	}
	printf("%d\n",f[n]);
	return 0;
}

Compiler output:
a.cc:5:1: error: 'bitset' does not name a type
    5 | bitset<26> x[200010];
      | ^~~~~~
a.cc: In function 'int main()':
a.cc:8:15: error: 'strlen' was not declared in this scope
    8 |         int n=strlen(s+1);
      |               ^~~~~~
a.cc:5:1: note: 'strlen' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    4 | #include <bitset>
  +++ |+#include <cstring>
    5 | bitset<26> x[200010];
a.cc:10:9: error: 'memset' was not declared in this scope
   10 |         memset(pos,-1,sizeof pos);
      |         ^~~~~~
a.cc:10:9: note: 'memset' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
a.cc:13:17: error: 'x' was not declared in this scope
   13 |                 x[i]^=x[i-1];
      |                 ^
a.cc:19:44: error: 'ind' was not declared in this scope; did you mean 'int'?
   19 |                         if(pos[tmp]!=-1&&f[ind]>f[pos[tmp]])
      |                                            ^~~
      |                                            int
a.cc:22:34: error: 'ind' was not declared in this scope; did you mean 'int'?
   22 |                 if(pos[t]!=-1&&f[ind]>f[pos[t]])
      |                                  ^~~
      |                                  int
a.cc:24:24: error: 'ind' was not declared in this scope; did you mean 'int'?
   24 |                 f[i]=f[ind]+1;
      |                        ^~~
      |                        int
Language: C++

#include <bits/stdc++.h> int main() {}

Compiler output:
a.cc:1:26: warning: extra tokens at end of #include directive
    1 | #include <bits/stdc++.h> int main() {}
      |                          ^~~
/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/14/../../../x86_64-linux-gnu/Scrt1.o: in function `_start':
(.text+0x17): undefined reference to `main'
collect2: error: ld returned 1 exit status
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define whole(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
#define sqr(x) ((x)*(x))
#define pb push_back
#define mp make_pair
#define ins insert
#define _(a) #a << " : " << (a)
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef vector<int> vi;
typedef pair<int,int> x;
#define v first
#define id second

//----------------------------------------------------------
const int inf = 1e9, maxn = 1e6 + 1;
const ll inff = 1e18;
const ld eps = 1e-9;
int n, k, m, cnt[maxn] = {};
string s;
void input ()
{
	cin >> s;
	n = s.length ();
	s.ins (0," ");
	for (int i = 1; i <= n; ++i)
		cnt[i] = cnt[i - 1] ^ (1 << (s[i] - 'a'));
}
map <int, int> l;
int f[maxn];
void solve ()
{
	fill (f + 1, f + n + 1, n);
	l.ins (mp (0, 0));
	f[0] = 0
	for (int i = 1; i <= n; ++i)
	{
		auto it = l.find (cnt[i]);
		if (it != l.end ())
			f[i] = min (f[i], f[it -> id] + 1);
		int min_x;
		for (int j = 0; j < 26; ++j)
		{
			int x = (1 << j) ^ cnt[i];
			// if (j == 23 and i == 4) cerr << x << ' ';
			auto it2 = l.find (x);
			// if (j == 23 and i == 4) cerr << (it == l.end ()) << ' ';
			if (it2 != l.end ())
				f[i] = min (f[i], f[it2 -> id] + 1);
		}
		if (l.find (cnt[i]) == l.end ()) l.ins (mp (cnt[i], i));
		// cout << f[i] << ' ';
	}
	cout << f[n];
}
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie (NULL);
	cout.tie (NULL);
	input ();
	solve ();
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:38:17: error: expected ';' before 'for'
   38 |         f[0] = 0
      |                 ^
      |                 ;
   39 |         for (int i = 1; i <= n; ++i)
      |         ~~~      
a.cc:39:25: error: 'i' was not declared in this scope
   39 |         for (int i = 1; i <= n; ++i)
      |                         ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
#define fi first
#define se second
template<typename A, typename B> inline bool chmax(A &a, B b) { if (a<b) { a=b; return 1; } return 0; }
template<typename A, typename B> inline bool chmin(A &a, B b) { if (a>b) { a=b; return 1; } return 0; }
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<int, pii> pip;
const ll INF = 1e9+100;
const ll MOD = 1000000007;
const double EPS = 1e-10;
const bool debug = 0;
//------------------------------//
 
string s;
int dp[212345];
 
int main() {
	cin >> s;
	int N = s.size();
	REP(i, N) s[i] -= 'a';
	
	map<int, int> m;
	
	fill(dp, dp + N + 1, INF);
	int x = 0;
	dp[0] = 0; m[0] = 0;
	REP(i, N) {
		x ^= 1<<s[i];
		int res = INF;
		
		if (m.find(x) != m.end()) chmin(res, m[x] + 1);
		REP(j, 26) if (m.find(x ^ 1<<j) != m.end()) chmin(res, m[x ^ 1<<j] + 1);
		
		if (m.find(x) == m.end() || m[x] > res]) m[x] = res;
		dp[i + 1] = res;
	}
	cout << dp[N] << endl;
	
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:40:55: error: expected ')' before ']' token
   40 |                 if (m.find(x) == m.end() || m[x] > res]) m[x] = res;
      |                    ~                                  ^
      |                                                       )
a.cc:40:55: error: expected primary-expression before ']' token
Language: C++

#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
const int maxn = 2e5 + 100, maxm = 1 << 26, INF = 0x3f3f3f3f;
int dp[maxm + 5],;
char s[maxn];
inline int idx(char c){return c - 'a';}
int main()
{
	scanf("%s", &s);
	int len = strlen(s);
	memset(dp, INF, sizeof dp);
	int tmp = 0;
	for(int i = 0; i < len; ++i)
	{
		tmp ^= (1 << idx(s[i]));
		for(int j = 0; j < 26; ++j) dp[tmp] = min(dp[tmp], dp[tmp^(1 << j)] + 1);
	}
	printf("%d\n", max(1, dp[tmp]));
	return 0;
}

Compiler output:
a.cc:6:18: error: expected unqualified-id before ';' token
    6 | int dp[maxm + 5],;
      |                  ^
Language: C++

#include <iostream>
#include <string>
#include <memory.h>
#include <algorithm>
using namespace std;
const int MAXN = 2e5 + 10;
int dp[1<<26], state[MAXN];
int ret[MAXN];

int main() {
    memset(dp, -1, sizeof(dp));
    string s;
    cin >> s;
    int n = s.size();
    for (int i = 0; i < n; i++) {
        state[i+1] = state[i];
        state[i+1] ^= 1<<(s[i]-'a');
    }
    dp[0] = 0;
    for (int i = 1; i <= n; i++) {
        int cur = INT_MAX;
        for (int j = 0; j < 26; j++) {
            int tmp = (state[i] ^ (1<<j));
            if (dp[tmp] == -1) continue;
            cur = min(cur, dp[tmp] + 1);
        }
        if (dp[state[i]] != -1) {
            cur = min(cur, dp[state[i]] + 1);
        }
        ret[i] = cur;
        if (dp[state[i]] == -1) dp[state[i]] = cur;
        else dp[state[i]] = min(cur, dp[state[i]]);
    }
    cout << ret[n] << endl;


}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:19: error: 'INT_MAX' was not declared in this scope
   21 |         int cur = INT_MAX;
      |                   ^~~~~~~
a.cc:5:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    4 | #include <algorithm>
  +++ |+#include <climits>
    5 | using namespace std;