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

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

int main(){
  long long int a,b,c,save,iter;
  map<int,int> data,check;
  cin>>a>>b;
  vector<int> result;
  for(int i=1;i<=a;i++){
    cin>>c;
    data[i]=c;
  }
  check[1]=1;
  for(int i=0;i<6*5*4*3*2;i++){
    c=data[c];
    if(check.find(c)!=check.end() and check[check.find(c)]==2){
      iter=i;
      break;
    }
    check[c]+=1;
  }
  
  b=b%(iter+1);
  c=1;
  while(b>0){
    b--;
    c=data[c];
  }
  cout<<c<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:19:44: error: no match for 'operator[]' (operand types are 'std::map<int, int>' and 'std::map<int, int>::iterator' {aka 'std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int> >, std::less<int>, std::allocator<std::pair<const int, int> > >::iterator'})
   19 |     if(check.find(c)!=check.end() and check[check.find(c)]==2){
      |                                            ^
In file included from /usr/include/c++/14/map:63,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_map.h:504:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = int; _Tp = int; _Compare = std::less<int>; _Alloc = std::allocator<std::pair<const int, int> >; mapped_type = int; key_type = int]'
  504 |       operator[](const key_type& __k)
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_map.h:504:34: note:   no known conversion for argument 1 from 'std::map<int, int>::iterator' {aka 'std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int> >, std::less<int>, std::allocator<std::pair<const int, int> > >::iterator'} to 'const std::map<int, int>::key_type&' {aka 'const int&'}
  504 |       operator[](const key_type& __k)
      |                  ~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_map.h:524:7: note: candidate: 'std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](key_type&&) [with _Key = int; _Tp = int; _Compare = std::less<int>; _Alloc = std::allocator<std::pair<const int, int> >; mapped_type = int; key_type = int]'
  524 |       operator[](key_type&& __k)
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_map.h:524:29: note:   no known conversion for argument 1 from 'std::map<int, int>::iterator' {aka 'std::_Rb_tree<int, std::pair<const int, int>, std::_Select1st<std::pair<const int, int> >, std::less<int>, std::allocator<std::pair<const int, int> > >::iterator'} to 'std::map<int, int>::key_type&&' {aka 'int&&'}
  524 |       operator[](key_type&& __k)
      |                  ~~~~~~~~~~~^~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
int main() {
  long long N, K;
  cin >> N >> K;
  vector<int> A(N);
  long long town = 1;
  for (int i = 0; i < N; i++)
    cin >> A.at(i);
  for (int j = 0; j < K; j++) {
    town = A.at(town-1);
    if ((town == 1) && (j > 1)) {
      j = j + 1;
      r = K % j;
      town = A.at(r-1);
      break;
    }
  }
  cout << town << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:7: error: 'r' was not declared in this scope
   14 |       r = K % j;
      |       ^
Language: C++

/* Simplicity and Goodness */

#include <bits/stdc++.h>
using namespace std;
#define scn(n) scanf("%d",&n)
#define lscn(n) scanf("%lld",&n)
#define lpri(n) printf("%lld ",n)
#define pri(n) printf("%d ",(int)n)
#define prin(n) printf("%d\n",(int)n)
#define lprin(n) printf("%lld\n",n)
#define deb(x) cout << #x << ' ' << x << '\n'
#define rep(i,ini,n) for(int i=ini;i<(int)n;i++)
#define per(i,ini) for(int i=ini;i>=0;i--)
#define tc int tt; scn(tt); while(tt --)
#define pb push_back
#define mp make_pair
#define F first
#define S second
using ll = long long;
const int inf = INT_MAX;
const int ninf = INT_MIN;
const int mod = 1e9+7;
const int N = 2e5+2;

vector<int> v[N];
vector<int> period;
bool visit[N]; int st;

void dfs(int node)
{
	period.pb(node);

	visit[node] = 1;

	for(int i : v[node])
	{
		if(visit[i])
		{
			st = i;
			return;
		}

		dfs(i);
	}
}

int main()
{
 	int n; ll k;
 	scn(n); lscn(k);

 	rep(i, 1, n+1)
 	{
 		int a;
 		scn(a);

 		v[i].pb(a);
 	}

 	dfs(1);

 	// rep(i, 0, period.size())
 	// pri(period[i]); prin(st);

 	int before = 0;

 	rep(i, 0, period.size())
 	if(period[i] == st)
 	{
 		before = i;
 		break;
 	}

 	vector<int> cycle;

 	rep(i, before, period.size())
 	cycle.pb(period[i]);

 	// deb(before);

 	if(k <= before)
 	{
 		prin(period[k]);
 	}
 	else
 	{
 		if(before == 0)
 		{
 			int node = k % (int)period.size(); 
 			prin(period[node]);
 		}
 		else
 		{
	 		k -= before;

	 		int len = (int)cycle.size();
	 		// deb(len); deb(k);
	 		int node = k % len; 

	 		// deb(node);

	 		node = cycle[node];

	 		prin(node);
 		}
 	}

    return 0;
}

Compiler output:
a.cc: In function 'void dfs(int)':
a.cc:33:9: error: reference to 'visit' is ambiguous
   33 |         visit[node] = 1;
      |         ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:3:
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:27:6: note:                 'bool visit [200002]'
   27 | bool visit[N]; int st;
      |      ^~~~~
a.cc:37:20: error: reference to 'visit' is ambiguous
   37 |                 if(visit[i])
      |                    ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:27:6: note:                 'bool visit [200002]'
   27 | bool visit[N]; int st;
      |      ^~~~~
Language: C

#include <bits/stdc++.h>

//g++ -std=c++11

using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> pi;

const int MAX = 2e5;
int cont[MAX+1];
int v[MAX+1];

int main() {

    //freopen("input.txt", "r", stdin); 
    //freopen("output.txt", "w", stdout);

    std::ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int n;
    ll k;

    cin >> n >> k;
    for (int i=1; i<=n; i++) {
        cin >> v[i];
        cont[i] = 0;
    }

    int pos = 1;
    int cont_aux = 0;
    int contador = 0;
    int aux = 0;
    while(true) {
        cont[pos]++;
        if(cont[pos]==2)
            cont_aux = contador;
        else if(cont[pos]==3) {
            aux = contador-cont_aux;
            k%=aux;
            if(k<=0) break;
        }
        pos = v[pos];
        --k;
        ++contador;
        if(k<=0) break;
    }
    cout << pos << endl;
    return 0;
}

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

#include<bits/stdc++.h>
using namespace std;
int main()
{
  int n;
  long long k;
  cin>>n>>k;
  int arr[n];
  for(int i=0;i<n;i++)
  {
    scanf("%d",&arr[i]);
  }
  int loc=0;
  for(long long i=0;i<k;i++)
  {
    loc=arr[loc];
    loc--;
  }
  printf("%d",loc+1);
  return 0;
}
2

Compiler output:
a.cc:22:1: error: expected unqualified-id before numeric constant
   22 | 2
      | ^
Language: C++

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

int main(){
  ll n,k; cin>>n>>k; ll a[n];
  rep(i,n){
    cin>>a[i];
    a[i]-=1;
  }
  ll b[n];
  b[0]=0;
  ll m,p;
  map<ll,ll> mp;
  for(int i=1;i<n;i++){
    b[i]=a[b[i-1]];
    mp[b[i]]++;
    if(mp[b[i]>=2){
      for(ll j=0;j<=i;j++){
        if(b[j]==b[i]){
          m=j;
          break;
        }
      }
      p=i-m;
      break;
    }  
  }
  if(k<=m){
    cout<<b[k]+1;
  }else{
    cout<<b[m+(k-m)%p]+1;
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:18: error: expected ']' before ')' token
   29 |     if(mp[b[i]>=2){
      |                  ^
      |                  ]
Language: C

#include <iostream>
#include <vector>
#include <cstdio>
#include <string>
#include <cmath>
#include <algorithm>
#include <climits>
#include <map>

#define ll long long
#define MAX 25 * 1e13
#define N  200010

#define SIZE(A) ((int)A.size())
#define LEN(A) ((int)A.length())
#define MP(A,B) make_pair(A,B)
#define PB(X) push_back(X)
#define EB(X) emplace_back(X)
#define REP(i,a) for(int i=0;i<(a);++i)
#define rep(i, n) for (int i = 0; i < (n); i++)
#define repr(i, n) for (int i = (n) - 1; i >= 0; i--)
#define range(a) a.begin(), a.end()
#define VI vector<int>;

using namespace std;
int MOD = 1000000007;

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);
  ll k;
  int n;
  cin >> n >> k;
  vector<int> to(n+1);
  REP(i,n) {
    int a;
    cin >> a;
    to[i+1] = a;
  }
  int lens = 0;
  vector<int> seen(n+1);
  int pos = 1;
  seen[1] = 1;
  vector<int> path(1);
  path[0] = 1;

  int last = 0;
  for(int i = 0; i < n; ++i) {// times;
    pos = to[pos];
    if( seen[pos] == 1 ) { // aready in seen
      path.push_back(pos);
      last = pos;
      break;
    }
    else {
      seen[pos] = 1;
      path.push_back(pos);
    }
  }
  ll lenp = path.size();
  ll lenr = 0;
  int st = 0;
  for(int i = 0; i < lenp; ++i ) {
    if(path[i] == last) {
      st = i;
      lenr = lenp - 1 - i;
      break;
    }
  }
  REP(i,lenp) {
    cout << path[i] << "  ";
  }
  cout << endl;

  path.pop_back();
  lenp--;

  if( k <= lenp) {
    cout << path[k-1] << endl;

  }
  else {
    k -= lenp;
    ll r = k % lenr;
    int ret = path[r+st];
    cout << ret << endl;
  }
  return 0;

}



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

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define lvector vector<ll> 
#define lque queue<ll>
#define lpque priority_queue<ll>
#define dlpque priority_queue<ll,lvector,greater<ll>>
#define P pair<ll,ll>
#define ALL(a) (a).begin(),(a).end()
#define rep(i,n) for(ll (i)=0; (i)<(n); ++(i))
#define print(a) cout << (a) << endl

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  ll n,k,ans=0;cin>>n>>k;
  lvector A(n,0);rep(i,n) cin>>A[i];
  lvector visited(n+1,0),route;
  route.emplace_back(1);visited[1]++;
  ll pos=0,val=0;
  for(ll i=1;i<=n;++i) {
    route.emplace_back(A[route[i-1]-1]);
    if(visited[A[route[i-1]-1]]==0) visited[A[route[i-1]-1]]=1;
    else {
      pos=i;
      val=route[i];
      break;
    }
  }
  ll pos_l=0;
  while(route[pos_l]!=val) pos_l++;
  if(pos!=pos_l) {
    k-=pos_l;k%=(pos-pos_l);
    ans=route[pos_l+k];
  }
  else ans=[pos_l];
  print(ans);
  return 0;
}


Compiler output:
a.cc: In lambda function:
a.cc:36:19: error: expected '{' before ';' token
   36 |   else ans=[pos_l];
      |                   ^
a.cc: In function 'int main()':
a.cc:36:12: error: cannot convert 'main()::<lambda()>' to 'long long int' in assignment
   36 |   else ans=[pos_l];
      |            ^~~~~~~
      |            |
      |            main()::<lambda()>
Language: C++

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

int main(){
  ll n,k; cin>>n>>k; ll a[n];
  rep(i,n){
    cin>>a[i];
    a[i]-=1;
  }
  ll b[n];
  b[0]=0;
  ll m,p;
  map<ll,ll> mp;
  for(int i=1;i<n;i++){
    b[i]=a[b[i-1]];
    mp[b[i]]++;
    if(mp[b[i]>=2){
      for(ll j=0;j<=i;j++){
        if(b[j]==b[i]){
          m=j;
          break;
        }
      }
      p=i-m;
      break;
    }  
  }
  if(k<=m){
    cout<<b[i]+1;
  }else{
    cout<<b[m+(k-m)%p]+1;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:29:18: error: expected ']' before ')' token
   29 |     if(mp[b[i]>=2){
      |                  ^
      |                  ]
a.cc:41:13: error: 'i' was not declared in this scope
   41 |     cout<<b[i]+1;
      |             ^
Language: C++

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

int main() {
  ll n, k;
  cin >> n >> k;
  vector<int> a(n);
  rep(i,n) {
    int atmp;
    cin >> atmp;
    a.at(i) = atmp - 1;
  }
  int pos = 0;
  vector<int> flag(n, -1);
  int x = 0, y = 0;
  rep(i,min(k, n+1) {
    if (flag.at(pos) != -1) {
      x = i - flag.at(pos);
      y = (k - i) % x;
      break;
    }
    flag.at(pos) = i;
    pos = a.at(pos);
  }
  rep(i,y) {
    pos = a.at(pos);
  }
  cout << pos + 1 << endl;
}

Compiler output:
a.cc:32:2: error: unterminated argument list invoking macro "rep"
   32 | }
      |  ^
a.cc: In function 'int main()':
a.cc:19:3: error: 'rep' was not declared in this scope
   19 |   rep(i,min(k, n+1) {
      |   ^~~
a.cc:19:6: error: expected '}' at end of input
   19 |   rep(i,min(k, n+1) {
      |      ^
a.cc:7:12: note: to match this '{'
    7 | int main() {
      |            ^
Language: C++

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

int main() {
    int N,K;
    cin>>N>>K;
    vector<int> vec(N);
    int now=1
    for(int i=0;i<K;i++){
        now=vec.at(now-1);
    }
    cout<<now<<endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: expected ',' or ';' before 'for'
    9 |     for(int i=0;i<K;i++){
      |     ^~~
a.cc:9:17: error: 'i' was not declared in this scope
    9 |     for(int i=0;i<K;i++){
      |                 ^
Language: C++

#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < n; i++)
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
const int MAX_N = 200005;
ll A[MAX_N],cnt[MAX_N],town[MAX_N];
bool visit[MAX_N];

int main()
{
	ll N,K;
	cin >> N >> K;
	rep(i,N)
	{
		cin >> A[i];
		A[i]--;
	}
	ll loop = 0,loopstart = 0;
	int now = 0,nowcnt = 0;
	while(true)
	{
		if (visit[now])
		{
			loop = ll(nowcnt - cnt[now]);
			loopstart = cnt[now];
			break;
		}
		cnt[now] = nowcnt;
		town[nowcnt] = now;
		//cout << "visit:" << now << endl;
		visit[now] = true;
		now = A[now];
		nowcnt++;
		
	}
	//cout << loopstart << " " << loop << endl;
	cout << town[loopstart + int((K - loopstart) % loop)] + 1 << endl;
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:23:21: error: reference to 'visit' is ambiguous
   23 |                 if (visit[now])
      |                     ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:1:
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:8:6: note:                 'bool visit [200005]'
    8 | bool visit[MAX_N];
      |      ^~~~~
a.cc:32:17: error: reference to 'visit' is ambiguous
   32 |                 visit[now] = true;
      |                 ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:8:6: note:                 'bool visit [200005]'
    8 | bool visit[MAX_N];
      |      ^~~~~
Language: C++

//#define TIMER_
#include <bits/stdc++.h>
using namespace std;
#define rep(i,r) for(int i = 0; i < (r); i++)
#define pb push_back
#define ALL(a) a.begin(), a.end()
#define fastio ios::sync_with_stdio(0); cin.tie(0); cout.tie(0)
using ll = long long;
using ull = unsigned long long;
int n; ull k;
const int maxn = 2e5 + 10;
int a[maxn];
bool visit[maxn];
int main() {
  fastio;
  cin >> n >> k;
  rep(i,n) cin >> a[i + 1];
  memset(visit, false, n);
  vector<int> res;
  int curr = 1;
  while(!visit[curr]) {
    visit[curr] = true;
    res.push_back(curr);
    curr = a[curr];
  }
  int sz = res.size();
  cout << res[k % sz + 1] << endl;
  
  #ifdef TIMER_
    cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
  #endif
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:10: error: reference to 'visit' is ambiguous
   18 |   memset(visit, false, n);
      |          ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:2:
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:13:6: note:                 'bool visit [200010]'
   13 | bool visit[maxn];
      |      ^~~~~
a.cc:21:10: error: reference to 'visit' is ambiguous
   21 |   while(!visit[curr]) {
      |          ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:13:6: note:                 'bool visit [200010]'
   13 | bool visit[maxn];
      |      ^~~~~
a.cc:22:5: error: reference to 'visit' is ambiguous
   22 |     visit[curr] = true;
      |     ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:13:6: note:                 'bool visit [200010]'
   13 | bool visit[maxn];
      |      ^~~~~
Language: Java

import java.io.*;
import java.util.*;
public class Main{
  public static void main(String args[]){
    Scanner sc=new Scanner(System.in);
    int t=sc.nextInt();
    long k=sc.nextLong();
    int arr[]=new int[t];
    int vis[]=new int[t];
    for(int i=0;i<t;i++){
      arr[i]=sc.nextInt()-1;
      vis[i]=0;
    }
    int curr=0;
    vis[0]=1;
    int count=0;
    int flag=0;
    while(k!=0)
    {
      curr=a[0];
      k--;
  }
    System.out.println(curr);
}


Compiler output:
Main.java:24: error: reached end of file while parsing
}
 ^
1 error
Language: C++

#include<iostream>
using namespace std;
int main() {
  int N, K;
  cin >> N >> K;
  vector<int> A(N);
  int town = 1;
  for (int i = 0; i < N; i++)
    cin >> A.at(i);
  for (int j = 0; j < K; j++)
    town = A.at(town-1);
  cout << town << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: 'vector' was not declared in this scope
    6 |   vector<int> A(N);
      |   ^~~~~~
a.cc:2:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    1 | #include<iostream>
  +++ |+#include <vector>
    2 | using namespace std;
a.cc:6:10: error: expected primary-expression before 'int'
    6 |   vector<int> A(N);
      |          ^~~
a.cc:9:12: error: 'A' was not declared in this scope
    9 |     cin >> A.at(i);
      |            ^
a.cc:11:12: error: 'A' was not declared in this scope
   11 |     town = A.at(town-1);
      |            ^
Language: C++

 /*
    Created by Ezio112
*/
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vll;
#define inf ll(10e16)
#define mod ll(10e8+7)
#define ff first
#define ss second
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);


    ll t;
    //cin>>t;
    t=1;
    while(t--)
    {
        ll n,k;
        cin>>n>>k;
        vector<ll> ar(n+1);
        for(ll i=1;i<=n;++i)
            cin>>ar[i];

        unordered_map<ll,ll> appeared;

        ll start=1,jumps=1,loop_size=0;

        while(k--)
        {
            appeared[start]=jumps++;
            start=ar[start];
            if(appeared.count(start))
            {
                loop_size=jumps-appeared[start];
                break;
            }
        }
        if()
        k%=loop_size;
        while(k--)
        {
            start=ar[start];
        }
        cout<<start;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:44:12: error: expected primary-expression before ')' token
   44 |         if()
      |            ^
Language: C++


/**
 *    Coded by : lucky_21
 *               --------Lokesh Singh
**/

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

#include<ext/pb_ds/tree_policy.hpp>
#include<ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template<class T> using oset=tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;

#define     F           first
#define     S           second
#define     pb          push_back
#define     lb          lower_bound
#define     ub          upper_bound
#define     pii         pair<int,int>
#define     all(x)      x.begin(),x.end()
#define     fix         fixed<<setprecision(10)
#define     rep(i,a,b)  for(int i=int(a);i<=int(b);i++)
#define     repb(i,b,a) for(int i=int(b);i>=int(a);i--)
#define     FastIO      ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)

typedef double db;
typedef long long ll;

const int N=2e5+5;
const int mod=1e9+7;

ll n,k,a[N];
bool visit[N];
signed main(){
    FastIO;
    cin>>n>>k;
    rep(i,1,n) cin>>a[i];
    deque<int>path;
    path.pb(1);
    int nxt=a[1];
    visit[1]=1;
    while(1){
        if(visit[nxt]) break;
        path.pb(nxt);
        visit[nxt]=1;
        nxt=a[nxt];
    }
    int i=0;
    while(path[i]!=nxt) i++;
    if(k<=i) return cout<<path[i-1],0;
    rep(j,1,i) path.pop_front();
//    cout<<i<<"::"<<path.size()<<endl;
    k-=i;
    int sz=path.size();
    cout<<path[k%sz];
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:42:5: error: reference to 'visit' is ambiguous
   42 |     visit[1]=1;
      |     ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:7:
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:34:6: note:                 'bool visit [200005]'
   34 | bool visit[N];
      |      ^~~~~
a.cc:44:12: error: reference to 'visit' is ambiguous
   44 |         if(visit[nxt]) break;
      |            ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:34:6: note:                 'bool visit [200005]'
   34 | bool visit[N];
      |      ^~~~~
a.cc:46:9: error: reference to 'visit' is ambiguous
   46 |         visit[nxt]=1;
      |         ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:34:6: note:                 'bool visit [200005]'
   34 | bool visit[N];
      |      ^~~~~
Language: C++

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

int main() {
  int n;
  long long int k;
  cin >> n;
  cin >> k;
  vector<int> a(n);
  rep(i,n) cin >> a[i];
  
  rep(i,k) {
    ans=a[ans-1];
  }
  cout << ans << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   14 |     ans=a[ans-1];
      |     ^~~
      |     abs
a.cc:16:11: error: 'ans' was not declared in this scope; did you mean 'abs'?
   16 |   cout << ans << endl;
      |           ^~~
      |           abs
Language: C++

#include<iostream>
#include<cstdio>
#include<vector>
#include<string>
#include<utility>
#include<tuple>
#include<algorithm>
using namespace std;
#define INF 1e9
#define ll long long

int main(){
    int N;cin>>N;
    ll X;cin>>X;
    vector<int> A(N);
    for(int i=0;i<N;i++){
        cin>>A[i];
        A[i]--;
    } 
    vector<bool> v(N,false);
    int now=0;
    int cf=0;
    while(true){
        if(v[now]) break;
      if(cf==K){
        cout<<now<<endl;
        return 0;
      }
        v[now]=true;
        now=A[now];
        cf++;
    }
    int cnt=1;
    int s=A[now];
    while(s!=now){
        s=A[s];
        cnt++;
    }
    X-=cf;
    X%=cnt;
    for(int i=0;i<X;i++){
        now=A[now];
    }
    cout<<now+1<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:25:14: error: 'K' was not declared in this scope
   25 |       if(cf==K){
      |              ^
Language: C++

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

typedef long long ll;

const ll sz = 1e6+5;
ll dat[sz];
ll depth[sz];
bool visit[sz];
deque<ll> asu;

ll dfs(ll curr) {
  visit[curr] = 1;
  if (!visit[dat[curr]]) {
    asu.push_back(curr);
    return 1 + dfs(dat[curr]);
  }
  asu.push_back(curr);
  return 1;
}

int main() {
  ll N, K;
  cin >> N >> K;
  for (ll i = 0; i < N; ++i) {
    cin >> dat[i];
    --dat[i];
  }
  ll dalam = dfs(0);
  while (K > 0 && !asu.empty() && asu.front() != dat[asu.back()]) {
    --K;
    asu.pop_front();
  }
  K %= asu.size();
  printf("%lld\n", asu[K]+1);
  return 0;
}


Compiler output:
a.cc: In function 'll dfs(ll)':
a.cc:13:3: error: reference to 'visit' is ambiguous
   13 |   visit[curr] = 1;
      |   ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:1:
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:9:6: note:                 'bool visit [1000005]'
    9 | bool visit[sz];
      |      ^~~~~
a.cc:14:8: error: reference to 'visit' is ambiguous
   14 |   if (!visit[dat[curr]]) {
      |        ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:9:6: note:                 'bool visit [1000005]'
    9 | bool visit[sz];
      |      ^~~~~
Language: C++


/**
 *    Coded by : lucky_21
 *               --------Lokesh Singh
**/

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

#include<ext/pb_ds/tree_policy.hpp>
#include<ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template<class T> using oset=tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;

#define     F           first
#define     S           second
#define     pb          push_back
#define     lb          lower_bound
#define     ub          upper_bound
#define     pii         pair<int,int>
#define     all(x)      x.begin(),x.end()
#define     fix         fixed<<setprecision(10)
#define     rep(i,a,b)  for(int i=int(a);i<=int(b);i++)
#define     repb(i,b,a) for(int i=int(b);i>=int(a);i--)
#define     FastIO      ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)

typedef double db;
typedef long long ll;

const int N=2e5+5;
const int mod=1e9+7;

ll n,k,a[N];
bool visit[N];
signed main(){
    FastIO;
    cin>>n>>k;
    rep(i,1,n) cin>>a[i];
    deque<int>path;
    path.pb(1);
    int nxt=a[1];
    visit[1]=1;
    while(!visit[nxt]){
        path.pb(nxt);
        visit[nxt]=1;
        nxt=a[nxt];
    }
    int i=0;
    while(path[i]!=nxt) i++;
    if(k<=i) return cout<<path[i-1],0;
    rep(j,1,i) path.pop_front();
//    cout<<i<<"::"<<path.size()<<endl;
    k-=i;
    int sz=path.size();
    cout<<path[k%sz];
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:42:5: error: reference to 'visit' is ambiguous
   42 |     visit[1]=1;
      |     ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:7:
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:34:6: note:                 'bool visit [200005]'
   34 | bool visit[N];
      |      ^~~~~
a.cc:43:12: error: reference to 'visit' is ambiguous
   43 |     while(!visit[nxt]){
      |            ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:34:6: note:                 'bool visit [200005]'
   34 | bool visit[N];
      |      ^~~~~
a.cc:45:9: error: reference to 'visit' is ambiguous
   45 |         visit[nxt]=1;
      |         ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:34:6: note:                 'bool visit [200005]'
   34 | bool visit[N];
      |      ^~~~~
Language: C

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

void solve() 
{
    ll n,k;cin>>n>>k;
    ll a[n];REP(i,n)cin>>a[i];REP(i,n)a[i]--;
    vector<ll>b(n,-1);b[0]=0;
    ll i=1;ll now=a[0];
    for(;b[now]==-1;i++){
        b[now]=i;
        now=a[now];
    }
    ll l=i-b[now];
    // cout<<i<<b[now]<<endl;
    ll t=(k-b[now])%l;
    // cout<<t<<endl;
    REP(j,t){
        now=a[now];
        // cout<<now<<endl;
    }
    cout<<now+1<<endl;
}

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

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


/**
 *    Coded by : lucky_21
 *               --------Lokesh Singh
**/

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

#include<ext/pb_ds/tree_policy.hpp>
#include<ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template<class T> using oset=tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;

#define     F           first
#define     S           second
#define     pb          push_back
#define     lb          lower_bound
#define     ub          upper_bound
#define     pii         pair<int,int>
#define     all(x)      x.begin(),x.end()
#define     fix         fixed<<setprecision(10)
#define     rep(i,a,b)  for(int i=int(a);i<=int(b);i++)
#define     repb(i,b,a) for(int i=int(b);i>=int(a);i--)
#define     FastIO      ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)

typedef double db;
typedef long long ll;

const int N=2e5+5;
const int mod=1e9+7;

ll n,k,a[N],visit[N];
signed main(){
    FastIO;
    cin>>n>>k;
    rep(i,1,n) cin>>a[i];
    deque<int>path;
    path.pb(1);
    int nxt=a[1];
    visit[1]=1;
    while(!visit[nxt]){
        path.pb(nxt);
        visit[nxt]=1;
        nxt=a[nxt];
    }
    int i=0;
    while(path[i]!=nxt) i++;
    if(k<=i) return cout<<path[i-1],0;
    rep(j,1,i) path.pop_front();
//    cout<<i<<"::"<<path.size()<<endl;
    k-=i;
    int sz=path.size();
    cout<<path[k%sz];
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:41:5: error: reference to 'visit' is ambiguous
   41 |     visit[1]=1;
      |     ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:7:
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:33:13: note:                 'll visit [200005]'
   33 | ll n,k,a[N],visit[N];
      |             ^~~~~
a.cc:42:12: error: reference to 'visit' is ambiguous
   42 |     while(!visit[nxt]){
      |            ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:33:13: note:                 'll visit [200005]'
   33 | ll n,k,a[N],visit[N];
      |             ^~~~~
a.cc:44:9: error: reference to 'visit' is ambiguous
   44 |         visit[nxt]=1;
      |         ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:33:13: note:                 'll visit [200005]'
   33 | ll n,k,a[N],visit[N];
      |             ^~~~~
Language: C++

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

int32_t main()
{
  int n;int k;cin>>n>>k;
  vector<int>arr(n+1,0);
  for(int i=1;i<=n;i++)
    cin>>arr[i];
  
  int prev=1;
  while(k--)
  {
    pos=arr[prev];
    prev=pos;
  }
  cout<<pos<<endl;
}

Compiler output:
a.cc: In function 'int32_t main()':
a.cc:15:5: error: 'pos' was not declared in this scope; did you mean 'pow'?
   15 |     pos=arr[prev];
      |     ^~~
      |     pow
a.cc:18:9: error: 'pos' was not declared in this scope; did you mean 'pow'?
   18 |   cout<<pos<<endl;
      |         ^~~
      |         pow
Language: C++

#inlude<bits/stdc++.h>
using namespace std;
int main () {
  int N;
  long long K;
  cin >> N >> K;
  vector<int>A(N);
  for (int i = 0; i < N; i ++) {
    cin >> A[i];
    A[i] --;
  }
  vector<int>ans;
  int kj = A[0];
  ans.push_back(0);
  while (kj) {
    ans.push_back(kj);
    kj = A[kj];
  }
  long long n = (long long)ans.size();
  K %= n;
  int a_ = (int)K;
  cout << ans[a_] << endl;
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #inlude; did you mean #include?
    1 | #inlude<bits/stdc++.h>
      |  ^~~~~~
      |  include
a.cc: In function 'int main()':
a.cc:6:3: error: 'cin' was not declared in this scope
    6 |   cin >> N >> K;
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #inlude<bits/stdc++.h>
a.cc:7:3: error: 'vector' was not declared in this scope
    7 |   vector<int>A(N);
      |   ^~~~~~
a.cc:1:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
  +++ |+#include <vector>
    1 | #inlude<bits/stdc++.h>
a.cc:7:10: error: expected primary-expression before 'int'
    7 |   vector<int>A(N);
      |          ^~~
a.cc:9:12: error: 'A' was not declared in this scope
    9 |     cin >> A[i];
      |            ^
a.cc:12:10: error: expected primary-expression before 'int'
   12 |   vector<int>ans;
      |          ^~~
a.cc:13:12: error: 'A' was not declared in this scope
   13 |   int kj = A[0];
      |            ^
a.cc:14:3: error: 'ans' was not declared in this scope
   14 |   ans.push_back(0);
      |   ^~~
a.cc:22:3: error: 'cout' was not declared in this scope
   22 |   cout << ans[a_] << endl;
      |   ^~~~
a.cc:22:3: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:22:22: error: 'endl' was not declared in this scope
   22 |   cout << ans[a_] << endl;
      |                      ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #inlude<bits/stdc++.h>
Language: C++

#include <bits/stdc++.h>
using namespace std;
#pragma GCC target("avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
typedef long long ll;
typedef pair<ll,ll> prl;
typedef vector<ll> vcl;
typedef map<ll,ll> mapl;
typedef unordered_map<ll,ll> umap;
#define pb push_back
#define all(v) v.begin(), v.end()
#define rep(i,a,b) for(ll i=a;i<=b;i++)
#define repi(i,a,b) for(int i=a;i<=b;i++)
#define repr(i,a,b) for(ll i=a;i>=b;i--)
#define reps(i,v) for(ll i=0;i<v.size();i++)
template<typename T> void chmin(T &a, const T &b) { a = min(a, b); }
template<typename T> void chmax(T &a, const T &b) { a = max(a, b); }
const ll mod = 1e9+7;

int main() {
    // your code goes here
    ll n,k,a[200005],now=1,s,l,ct=-1,cm;
    bool v[200005]={0},ok=false;
    vcl cy,cc;
    cin >> n >> k;
    rep(i,1,n){
        cin >> a[i];
    }
    cy.pb(1);
    v[1]=true;
    while(1){
        now=a[now];
        if(!v[now]){
            cy.pb(now); 
            v[now]=true;
        } else {
            l=now;
            break;
        }
    }
    for(auto to: cy){
        ct++;
        if(to==l&&!ok){
            ok=true;
            cm=ct;
        }
        if(ok){
            cc.pb(to);
        }
    }
    if(k<cm){
    	cout << cy[k] << endl;
    	return 0;
    }
    s=cc.size();
    k=(k-cm)%s;
    else cout << cc[k] << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:58:5: error: 'else' without a previous 'if'
   58 |     else cout << cc[k] << endl;
      |     ^~~~
Language: C++

#include <bits/stdc++.h>
#define int long long
using namespace std;
int cnt = 0;
vector<bool> d(200005, false);
vector<int> root;
int A[200005];
void dfs(int now) {
  if (d[now]) {
    return;
  } else {
    d[now] = true;
    root.push_back(now);
    dfs(A[now] - 1);
  }
}
signed main() {
  int N, K;
  cin >> N >> K;
  for (int i = 0; i < N; i++) {
    cin >> A[i];
  }
  int NN = K % N;
  dfs(NN, 0);
  for (int i = 0; i < root.size(); i++) {
    cout << root[i] << endl;
  }
  cout << root[NN % root.size()] + 2 << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:24:6: error: too many arguments to function 'void dfs(long long int)'
   24 |   dfs(NN, 0);
      |   ~~~^~~~~~~
a.cc:8:6: note: declared here
    8 | void dfs(int now) {
      |      ^~~
Language: C++

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

typedef long long ll;

const ll M = 998244353;

vector<ll> fac(300001); 
vector<ll> ifac(300001); 

ll mpow(ll x, ll n){ 
    ll ans = 1;
    while(n != 0){
        if(n&1) ans = ans*x % M;
        x = x*x % M;
        n = n >> 1;
    }
    return ans;
}

ll comb(ll a, ll b){ //aCbをmod計算
    if(a == 0 && b == 0)return 1;
    if(a < b || a < 0)return 0;
    ll tmp = ifac[a-b]* ifac[b] % M;
    return tmp * fac[a] % M;
}

int main(){
    ll N,X,K;
    cin>>N>>X>>K;

    fac[0] = 1;
    ifac[0] = 1;
    for(ll i = 0; i<300000; i++){
        fac[i+1] = fac[i]*(i+1) % M; // n!(mod M)
        ifac[i+1] = ifac[i]*mpow(i+1, M-2) % M; 


    ll ans=0;
    for(long i=0;i<=K;i++){
      long Z=X;
      Z*=comb(N-1,i);
      Z%=M;
      for(long j=0;j<N-1-i;j++){
        Z*=X-1;
        Z%=M;
      }
      ans+=Z;
      ans%=M;
    }
    cout << ans << endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:53:2: error: expected '}' at end of input
   53 | }
      |  ^
a.cc:28:11: note: to match this '{'
   28 | int main(){
      |           ^
Language: C++

#include <bits/stdc++.h>

using namespace std;
long long rm=998244353ll;
long long mdpw(long long b,long long ex){
    long long ret=1ll;
    long long pw=b;
    while(ex){
        if(ex&1){
            ret*=pw;
            ret%=rm;
        }
        pw*=pw;
        pw%=rm;
        ex>>=1;
    }

    return ret;
}
int main()
{///{}
    long long n,m,k;
    cin>>n>>m>>k;
    if(n==1ll){
        cout<<m<<'\n';
        return 0;
    }
    long long ans=0ll;
    ans+=m*mdpw(m-1,n-1);
    ans%=rm;
    long long kcnt=1;
    long long ncnt=n-1;
    long long C=ncnt;
        C%=rm;
    long long mo=(m*mdpw(m-1,n-1-ik))%rm;
    long long rv=mdpw(m-1,rm-2);
    for(int ik=1;ik<=k;ik++){
        ans+=(C*(mo))%rm;
        ans%=rm;
        mo*=rv;
        mo%=rm;
        ncnt--;
        kcnt++;
        C*=ncnt;
        C%=rm;
        C*=mdpw(kcnt,rm-2);
        C%=rm;
        ///cout<<ncnt<<'\n';
    }
    cout<<ans<<'\n';
    return 0;
}
/***
60522 114575 7559
*/


Compiler output:
a.cc: In function 'int main()':
a.cc:35:34: error: 'ik' was not declared in this scope; did you mean 'k'?
   35 |     long long mo=(m*mdpw(m-1,n-1-ik))%rm;
      |                                  ^~
      |                                  k
Language: C++



    for(int i=k;i>=0;i--)
    {
        ans=(ans+C(n-1,i)*m%mod*p%mod)%mod;
        p=p*(m-1)%mod;
    }
//    for(int i=n-1;i>=max(0ll,n-k-1);i--)
//    {
//        ans=(ans+(C(n-1,i)*ksm(m,1)%mod)*ksm(m-1,i))%mod;
//    }
    cout<<ans<<endl;
    return 0;
}


Compiler output:
a.cc:3:5: error: expected unqualified-id before 'for'
    3 |     for(int i=k;i>=0;i--)
      |     ^~~
a.cc:3:17: error: 'i' does not name a type
    3 |     for(int i=k;i>=0;i--)
      |                 ^
a.cc:3:22: error: 'i' does not name a type
    3 |     for(int i=k;i>=0;i--)
      |                      ^
a.cc:12:5: error: 'cout' does not name a type
   12 |     cout<<ans<<endl;
      |     ^~~~
a.cc:13:5: error: expected unqualified-id before 'return'
   13 |     return 0;
      |     ^~~~~~
a.cc:14:1: error: expected declaration before '}' token
   14 | }
      | ^
Language: C++

#include <bits/stdc++.h>
#define MOD 998244353
using namespace std ;
int n , m , k ;
int jc[ 200005 ] ;
int ans = 0 ;
inline qpow ( int a , int b ) {
    int res = 1 ;
    while ( b ) {
        if ( b & 1 ) res = 1LL * res * a % MOD ;
        b >>= 1 ;
        a = 1LL * a * a % MOD ;
    }
    return res % MOD ;
}
inline void init () {
    jc[ 0 ] = 1 ;
    for ( int i = 1 ; i <= n ; i ++ ) jc[ i ] = 1LL * jc[ i - 1 ] * i % MOD ;
}
inline int inv ( int a ) { return qpow ( a , MOD - 2 ) ; }
inline int C ( int n , int m ) { return 1LL * jc[ n ] * inv ( 1LL * jc[ m ] * jc[ n - m ] % MOD ) % MOD ; }
signed main () {
    scanf ( "%d%d%d" , &n , &m , &k ) ;
    init () ;
    for ( int i = 0 ; i <= k ; i ++ ) {
        ans = ( ans + 1LL * m * C ( n - 1 , i ) % MOD * qpow ( m - 1 , n - i - 1 ) % MOD ) % MOD ;
    }
    printf ( "%d\n" , ans % MOD ) ;
    return 0 ;
}
/*
题目简述：
给 n 个方格染 m 种颜色，要求最多有 k 组块相连且颜色相同，求方案数对 998244353 取模的结果。
*/


Compiler output:
a.cc:7:8: error: ISO C++ forbids declaration of 'qpow' with no type [-fpermissive]
    7 | inline qpow ( int a , int b ) {
      |        ^~~~
Language: C++


#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <math.h>
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <numeric>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <bitset>

typedef unsigned long long ULLONG;
typedef long long LLONG;
static const LLONG MOD_NUM = 998244353; //1000000007;

template<class _T> static void get(_T& a) {
	std::cin >> a;
}
template<class _T> static void get(_T& a, _T& b) {
	std::cin >> a >> b;
}
template<class _T> static void get(_T& a, _T& b, _T& c) {
	std::cin >> a >> b >> c;
}
template <class _T> static _T tp_abs(_T a) {
	if (a < (_T)0) {
		a *= (_T)-1;
	}
	return a;
}

static void exec();

int main()
{
	exec();
	fflush(stdout);
	return 0;
}

static void exec()
{
	int N, M, K;
	get(N, M, K);

	PermComb<LLONG> cmb(N, MOD_NUM);

	LLONG ans = 0;
	for (int i = 0; i <= K; i++) {
		LLONG tmp = (tp_modpow<LLONG>((M - 1), (N - i - 1), MOD_NUM) * M) % MOD_NUM;
		tmp = (tmp * cmb.nCk(N - 1, i)) % MOD_NUM;
		ans = (ans + tmp) % MOD_NUM;
	}
	printf("%lld\n", ans);
}


Compiler output:
a.cc: In function 'void exec()':
a.cc:51:9: error: 'PermComb' was not declared in this scope
   51 |         PermComb<LLONG> cmb(N, MOD_NUM);
      |         ^~~~~~~~
a.cc:51:23: error: expected primary-expression before '>' token
   51 |         PermComb<LLONG> cmb(N, MOD_NUM);
      |                       ^
a.cc:51:25: error: 'cmb' was not declared in this scope
   51 |         PermComb<LLONG> cmb(N, MOD_NUM);
      |                         ^~~
a.cc:55:30: error: 'tp_modpow' was not declared in this scope
   55 |                 LLONG tmp = (tp_modpow<LLONG>((M - 1), (N - i - 1), MOD_NUM) * M) % MOD_NUM;
      |                              ^~~~~~~~~
a.cc:55:45: error: expected primary-expression before '>' token
   55 |                 LLONG tmp = (tp_modpow<LLONG>((M - 1), (N - i - 1), MOD_NUM) * M) % MOD_NUM;
      |                                             ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pdd;

#define INF 0x7f7f7f
#define mem(a,b) memset(a , b , sizeof(a))
#define FOR(i, x, n) for(int i = x;i <= n; i++)
// const ll mod = 1e9 + 7;
const int maxn = 2e5 + 10;
// const double eps = 1e-6;
const ll mod = 998244353;

ll N, M, K;
ll f[maxn];
ll inv[maxn];

ll FPM(ll x,ll power)
{
    ll ans = 1;
    while(power)
    {
        if(power & 1)
        {
            ans = (ans * x) % mod;
        }
        x = (x * x) % mod;
        power >>= 1;
    }
    return ans % mod;
}

ll C(ll a, ll b)
{
    return f[a] * inv[a - b] % mod * inv[b] % mod;
}

void solve()
{
    cin >> N >> M >> K;
    ll m = max(N, M);
    f[0] = 1;
    for(int i = 1;i <= m; i++) // 阶乘预处理
        f[i] = f[i - 1] * i % mod;
    inv[m] = FPM(f[m], mod - 2);
    for(ll i = m - 1; i >= 0; i--)
        inv[i] = inv[i + 1] * (i + 1) % mod; //求逆元
    ll ans = 0;
    ll cnt = FPM(M - 1, N - K - 1);
    for(ll i = N - K - 1;i <= N - 1; i++)
    {
        ans = (ans + C(N - 1, i) % mod * M % mod * cnt % mod) % mod;
        cnt = cnt * (M - 1) % mod;
    }
    cout<< ans << endl;
}

signed main()
{

    ios::sync_with_stdio(false);
    int T = 1;
    //cin >> T;
    while(T--)
        solve();
#endif
    return 0;
}

Compiler output:
a.cc:69:2: error: #endif without #if
   69 | #endif
      |  ^~~~~
Language: C++

#include <stdio.h>
sing namespace std;
long long  data[500000];  long long n,m,k;
long long p(long long n){
    if(data[n]!=0) return data[n];
    long long out=0;
    for(long long i=1;i<=k+1;i++)
        out=(out+p(n-i))%998244353;
    out*=(m-1);
    return data[n]=(out%998244353);

}
int main(){

    scanf("%lld%lld%lld",&n,&m,&k);
    data[0]=1;
    for(long long i=1;i<=min(k+1,n+5);i++)
        data[i]=(data[i-1]*m)%998244353;
    printf("%lld",p(n)%998244353);
}

Compiler output:
a.cc:2:1: error: 'sing' does not name a type
    2 | sing namespace std;
      | ^~~~
a.cc: In function 'int main()':
a.cc:17:26: error: 'min' was not declared in this scope; did you mean 'main'?
   17 |     for(long long i=1;i<=min(k+1,n+5);i++)
      |                          ^~~
      |                          main