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

#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(ll i=0;i<n;i++)
#define repl(i,l,r) for(ll i=(l);i<(r);i++)
#define per(i,n) for(ll i=n-1;i>=0;i--)
#define perl(i,r,l) for(ll i=r-1;i>=l;i--)
#define fi first
#define se second
#define pb push_back
#define ins insert
#define all(x) (x).begin(),(x).end()
using ll=long long;
using vl=vector<ll>;
using vvl=vector<vector<ll>>;
const ll MOD=1000000007;
const ll MOD9=998244353;
const int inf=1e9+10;
const ll INF=4e18;
const ll dy[8]={1,0,-1,0,1,1,-1,-1};
const ll dx[8]={0,-1,0,1,1,-1,1,-1};
using Graph = vector<vector<int>>;
double nCk(int n, int k) {
double res=1.0;
for(int i=0; i<n; i++){
res*=0.5;}
for(int i=0; i<k; i++){
res*=(double)(n-i);
res/=(double)(k-i);
}
return res;}
struct edge{ll to, cost;};
typedef pair<ll,ll> P;
struct graph{
  ll V;
  vector<vector<edge> > G;
  vector<ll> d;

  graph(ll n){
    init(n);
  }

  void init(ll n){
    V = n;
    G.resize(V);
    d.resize(V);
    rep(i,V){
      d[i] = INF;
    }
  }

  void add_edge(ll s, ll t, ll cost){
    edge e;
    e.to = t, e.cost = cost;
    G[s].push_back(e);
  }

  void dijkstra(ll s){
    rep(i,V){
      d[i] = INF;
    }
    d[s] = 0;
    priority_queue<P,vector<P>, greater<P> > que;
    que.push(P(0,s));
    while(!que.empty()){
      P p = que.top(); que.pop();
      ll v = p.second;
      if(d[v]<p.first) continue;
      for(auto e : G[v]){
        if(d[e.to]>d[v]+e.cost){
          d[e.to] = d[v]+e.cost;
          que.push(P(d[e.to],e.to));
        }
      }
    }
  }
};
int main(){
ll n,l; cin>>n>>l;
ll a[n]={};
rep(i,n) cin>>a[i];
ll b[n-1]={};
ll k = 0;
rep(i,n-1){
b[i]=a[i]+a[i+1];
k = max(b[i],k);}
ll r = 0;
rep(i,n-1){
if(b[i]==k){
r = i+1;
break;}
}
if(k>=l) cout << "Possible" << endl;
rep(i,n-1){
if(i!=r) cout << i << endl;
}
cout << r << endl;}
else{
cout << "Impossible" << endl;}}


Compiler output:
a.cc:97:1: error: expected unqualified-id before 'else'
   97 | else{
      | ^~~~
a.cc:98:31: error: expected declaration before '}' token
   98 | cout << "Impossible" << endl;}}
      |                               ^
Language: C++

#include <bits/stdc++.h>
#include "/home/itohdak/AtCoder/000/print.hpp"
using namespace std;
#define ll long long
#define REP(i,m,n) for(int i=(int)(m); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define RREP(i,m,n) for(int i=(int)(m); i>=(int)(n); i--)
#define rrep(i,n) RREP(i,n-1,0)
#define REPL(i,m,n) for(ll i=(ll)(m); i<(ll)(n); i++)
#define repl(i,n) REPL(i,0,n)
#define all(v) v.begin(), v.end()
const int inf = 1e9+7;
const ll longinf = 1LL<<60;
const ll mod = 1e9+7;
int main() {
  int N;
  ll L;
  cin >> N >> L;
  vector<ll> A(N), sum(N+1);
  rep(i, N) {
    cin >> A[i];
    sum[i+1] = sum[i] + A[i];
  }
  int l=0, r=N;
  vector<int> ans;
  bool ok = true;
  while(l+1<r) {
    if(sum[r]-sum[l]<L) {
      ok = false;
      break;
    }
    ll l1 = sum[r]-sum[l+1];
    ll l2 = sum[r-1]-sum[l];
    if(r-l==2) {
      ans.push_back(l+1);
      l++;
    } else {
      if(l1<L && l2<L) {
	ok = false;
	break;
      }
      if(l1 > l2) {
	ans.push_back(l+1);
	l++;
      } else {
	ans.push_back(r-1);
	r--;
      }
    }
  }
  if(ok) {
    cout << "Possible" << endl;
    for(int i: ans) cout << i << endl;
  } else {
    cout << "Impossible" << endl;
  }
  return 0;
}


Compiler output:
a.cc:2:10: fatal error: /home/itohdak/AtCoder/000/print.hpp: No such file or directory
    2 | #include "/home/itohdak/AtCoder/000/print.hpp"
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <iostream>
//#include <bits/stdc++.h>
// a&1 check odd or not and a>>=1 halfs a
#include <cstdlib>
#include <cstdio>
#include <vector>
#include <queue>
#include <algorithm>
#define loop(i,a,b) for(int i=a;i<b;i++)
#define pb(x) push_back(x)
#define F first
#define S second
using namespace std;
#define ll long long
const int N=1e5+8;
int n;
ll arr[N];
ll joints[N];
ll l;

void solve(){	
	cin>>n>>l;
	loop(i,0,n){
		cin>>arr[i];
	}
	ll maxlen=-1*INT_MAX;
	ll ind;
	loop(i,0,n-1){
		joints[i]=arr[i]+arr[i+1];
		if(maxlen<joints[i]){
			ind=i;
			maxlen=joints[i];
		}
	}	
	if(maxlen<l){
		puts("Impossible");		
	}
	else{
		puts("Possible");
	if(ind==0){
		for(int i=n-2;i>=0;i--){
			cout<<i+1<<endl;
		}
	}
	else if(ind==n-2){
		for(int i=0;i<n-1;i++){
			cout<<i+1<<endl;
		}
	}
	else{
		for(int i=n-2;i>ind;i--){
			cout<<i+1<<endl;
		}
		for(int i=0;i<ind;i++){
			cout<<i+1<<endl;
		}
		cout<<ind+1<<endl;
	}
	}
}

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



Compiler output:
a.cc: In function 'void solve()':
a.cc:26:22: error: 'INT_MAX' was not declared in this scope
   26 |         ll maxlen=-1*INT_MAX;
      |                      ^~~~~~~
a.cc:9:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
    8 | #include <algorithm>
  +++ |+#include <climits>
    9 | #define loop(i,a,b) for(int i=a;i<b;i++)
Language: C++

#include<iostream>
#include<algorithm>

using namespace std;

typedef long long ll;

ll n, L;
ll a[100000];

int main() {
	cin >> n >> L;
	for(int i = 0; i < n; i++){
		cin >> a[i];
	}
	
	if(a[0] + a[1] >= L){
		cout << "Possible" << endl;
		for(int i = n - 1; i >= 1; i--)cout << i << endl;
		return 0;
	}
	if(a[n - 1] + a[n - 2] >= L){
		cout << "Possible" << endl;
		for(int i = 1; i < n; i++)cout << i << endl;
		return 0;
	}
	
	vector<pair<int, int>> ans;
	int bef = 0;
	for(int i = 0; i < n - 2; i++){
		if(a[i] >= L){
			if(i != bef){
				bef = i + 1;
			}else {
				cout << "Possible" << endl;
				for(int j = 1; j <= i; j++)cout << j << endl;
				for(int j = n - 1; j > i; j--)cout << j << endl;
				return 0;
			}
		}
		if(a[i] + a[i + 1] >= L){
			if(bef != i){
				bef = i + 2;
				i++;
			}else {
				cout << "Possible" << endl;
				for(int j = 1; j <= i; j++)cout << j << endl;
				for(int j = n - 1; j > i; j--)cout << j << endl;
				return 0;
			}
		}
	}
	
	cout << "Impossible" << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:28:9: error: 'vector' was not declared in this scope
   28 |         vector<pair<int, int>> ans;
      |         ^~~~~~
a.cc:3:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    2 | #include<algorithm>
  +++ |+#include <vector>
    3 | 
a.cc:28:29: error: expected primary-expression before '>' token
   28 |         vector<pair<int, int>> ans;
      |                             ^~
a.cc:28:32: error: 'ans' was not declared in this scope; did you mean 'abs'?
   28 |         vector<pair<int, int>> ans;
      |                                ^~~
      |                                abs
Language: C++

#include<iostream>
#include<algorithm>

using namespace std;

typedef long long ll;

ll n, L;
ll a[100000];

int main() {
	cin >> n >> L;
	for(int i = 0; i < n; i++){
		cin >> a[i];
	}
	
	if(a[0] + a[1] >= L){
		cout << "Possible" << endl;
		for(int i = n - 1; i >= 1; i--)cout << i << endl;
		return 0;
	}
	if(a[n - 1] + a[n - 2] >= L){
		cout << "Possible" << endl;
		for(int i = 1; i < n; i++)cout << i << endl;
		cout << endl;
		return 0;
	}
	
	vector<pair<int, int>> ans;
	int bef = 0;
	for(int i = 0; i < n - 2; i++){
		if(a[i] >= L){
			if(i != bef){
				bef = i + 1;
			}else {
				cout << "Possible" << endl;
				for(int j = 1; j <= i; j++)cout << j << endl;
				for(int j = n - 1; j > i; j--)cout << j << endl;
				return 0;
			}
		}
		if(a[i] + a[i + 1] >= L){
			if(bef != i){
				bef = i + 2;
				i++;
			}else {
				cout << "Possible" << endl;
				for(int j = 1; j <= i; j++)cout << j << endl;
				for(int j = n - 1; j > i; j--)cout << j << endl;
				cout<<endl;
				return 0;
			}
		}
	}
	
	cout << "Impossible" << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:29:9: error: 'vector' was not declared in this scope
   29 |         vector<pair<int, int>> ans;
      |         ^~~~~~
a.cc:3:1: note: 'std::vector' is defined in header '<vector>'; this is probably fixable by adding '#include <vector>'
    2 | #include<algorithm>
  +++ |+#include <vector>
    3 | 
a.cc:29:29: error: expected primary-expression before '>' token
   29 |         vector<pair<int, int>> ans;
      |                             ^~
a.cc:29:32: error: 'ans' was not declared in this scope; did you mean 'abs'?
   29 |         vector<pair<int, int>> ans;
      |                                ^~~
      |                                abs
Language: C++

#include <bits/stdc++.h>

#define rep(X,N) for(ll X = 0; X < (N); X++)
#define PI (acos(-1.0))
#define pback push_back
#define mpair make_pair
#define MODN 1000000007
#define ALL(V) (V).begin(),(V).end()
#define INT_MAX_HALF (INT_MAX / 2)
#define EPS (1e-10)

using namespace std;
typedef long long ll;

int main(){

    int n;
    ll l;
    cin >> n >> l;

    vector<ll> a(n);

    rep(i, n){
        cin >> a[i];
    }

    bool able = false;
    int last;

    rep(i, n - 1){

        if(a[i] + a[i + 1] >= l){
            able = true;
            last = i + 1;
            break;
        }
    }

    if(able){
        cout << "Possible" << endl;

        for(int i = 1; i < n; i++){
            if(i == last) coninue;
            cout << i << endl;
        }

        cout << last << endl;
        
    }else{
        cout << "Impossible" << endl;
    }



    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:43:27: error: 'coninue' was not declared in this scope
   43 |             if(i == last) coninue;
      |                           ^~~~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define N 100001
int n, m;
int main() {
    scanf("%d%d", &n, &m);
    int add = 0;
    for (int i = 1; i <= n; i++) scanf("%d", &a[i]);
    for (int i = 1; i < n; i++)
        if (a[i] + a[i + 1] >= m) add = i;
    if (add) {
        puts("Possible");
        for (int i = 1; i < add; i++) printf("%d\n", i);
        for (int i = n - 1; i > add; i--) printf("%d\n", i);
        printf("%d\n", add);
    } else
        puts("Impossible");
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:47: error: 'a' was not declared in this scope
    8 |     for (int i = 1; i <= n; i++) scanf("%d", &a[i]);
      |                                               ^
a.cc:10:13: error: 'a' was not declared in this scope
   10 |         if (a[i] + a[i + 1] >= m) add = i;
      |             ^
Language: C++

#define s second
#define rep(i, a, b) for(int i = int(a); i <= int(b); ++i)
using namespace std;
 
int arr[100005];
 
int main(){
    faster
    int T = 1;
    while(T--){
        int n,l;
        cin>>n>>l;
        
        rep(i,0,n-1) {
            cin>>arr[i];
        }
        
        int ind;
        
        int f = 0;
        rep(i,0,n-2){
            if(arr[i]+arr[i+1] >= l){
                f = 1;
                ind = i;
                break;
            }
        }
        
        
        if(!f){
            cout<<"Impossible";
        } else{
            cout<<"Possible\n";
            for(int i=0; i<ind; i++){
                cout<<i+1<<" ";
            }
            for(int i=n-2; i>ind; i--){
                cout<<i+1<<" ";
            }
            cout<<ind+1;
        }
        
        
    }
    return 0;
}
 
 
 
 
 

Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'faster' was not declared in this scope
    8 |     faster
      |     ^~~~~~
a.cc:10:11: error: 'T' was not declared in this scope
   10 |     while(T--){
      |           ^
a.cc:12:9: error: 'cin' was not declared in this scope
   12 |         cin>>n>>l;
      |         ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #define s second
a.cc:31:13: error: 'cout' was not declared in this scope
   31 |             cout<<"Impossible";
      |             ^~~~
a.cc:31:13: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
a.cc:33:13: error: 'cout' was not declared in this scope
   33 |             cout<<"Possible\n";
      |             ^~~~
a.cc:33:13: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include<iostream>
#include<string>

using namespace std;

int main(){
    
    int n,l
    cin>>n>>l;
    int a[n];
    for(int i=0;i<n;i++){
        cin>>a[i];       
    }
   
    cout<<"Impossible";
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: expected initializer before 'cin'
    9 |     cin>>n>>l;
      |     ^~~
Language: C++

#include<iostream>
#include<string>

using namespace std;

int main(){
    
    int n,l
    cin>>n>>l;
    int a[n];
    for(int i=0;i<l;i++){
        cin>>a[i];       
    }
   
    cout<<"Impossible";
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:5: error: expected initializer before 'cin'
    9 |     cin>>n>>l;
      |     ^~~
a.cc:11:19: error: 'l' was not declared in this scope
   11 |     for(int i=0;i<l;i++){
      |                   ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
const int a=100001;
int main()
{
int n, l, k, A[a];
    cin>>n>>l;
    for (int i = 0; i < n; i ++)
           cin>>A[i];
    for (int i = 1; i < n; i ++)
        if (A[i] + A[i + 1] >= l)
            k = i;
    if (!k)
        return cout<<"Impossible"<<endl;
    cout<<"Possible<<endl;
    for (int i = n - 1; i > k; i --)
        cout<<i<<endl;
    for (int i = 1; i <= id; i ++)
        cout<<i<<endl;
    return 0;
}

Compiler output:
a.cc:15:11: warning: missing terminating " character
   15 |     cout<<"Possible<<endl;
      |           ^
a.cc:15:11: error: missing terminating " character
   15 |     cout<<"Possible<<endl;
      |           ^~~~~~~~~~~~~~~~
a.cc: In function 'int main()':
a.cc:14:34: error: cannot convert 'std::basic_ostream<char>::__ostream_type' {aka 'std::basic_ostream<char>'} to 'int' in return
   14 |         return cout<<"Impossible"<<endl;
      |                ~~~~~~~~~~~~~~~~~~^~~~~~
      |                                  |
      |                                  std::basic_ostream<char>::__ostream_type {aka std::basic_ostream<char>}
a.cc:16:5: error: expected primary-expression before 'for'
   16 |     for (int i = n - 1; i > k; i --)
      |     ^~~
a.cc:16:25: error: 'i' was not declared in this scope
   16 |     for (int i = n - 1; i > k; i --)
      |                         ^
a.cc:18:26: error: 'id' was not declared in this scope; did you mean 'i'?
   18 |     for (int i = 1; i <= id; i ++)
      |                          ^~
      |                          i
Language: C++

#include <bits/stdc++.h>
#define IO_OP std::ios::sync_with_stdio(0); std::cin.tie(0);
#define F first
#define S second
#define V vector
#define PB push_back
#define MP make_pair
#define EB emplace_back
#define ALL(v) (v).begin(), (v).end()
#define debug(x) cerr << #x << " is " << x << endl

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;

const int INF = 1e9 + 7, N = 1e5 + 7;

signed main()
{
    IO_OP;
    
    int n, l;
    cin >> n >> l;
    for (int i = 0; i < n; i++)
        cin >> a[i];
    bool ok = false, j;
    for (int i = 0; i < n - 1; i++)
        if (a[i] + a[i+1] >= l) {
            ok = true;
            j = i;
        }
    if (!ok) return cout << "Impossible" << endl, 0;
    cout << "Possible" << endl;
    for (int i = 1; i < j; i++)
        cout << i << endl;
    for (int i = n - 1; i >= j; i--)
        cout << i << endl;
    

}



Compiler output:
a.cc: In function 'int main()':
a.cc:27:16: error: 'a' was not declared in this scope
   27 |         cin >> a[i];
      |                ^
a.cc:30:13: error: 'a' was not declared in this scope
   30 |         if (a[i] + a[i+1] >= l) {
      |             ^
Language: C++

#include<iostream>
using namespace std;
typedef long long ll;
ll num[100005]={0};
int main(){
  ll n,x;
  cin>>n>>x;
  for(int i=1;i<=n;i++) cin>>num[i];
  ll ok_l=0;
  for(int i=1;i<n;i++){
    if(num[i]+num[i+1]>=x) ok_l=i;
  }
  if(ok_l==0){
    cout<<"Impossible"<<endl;
    return 0;
  }
  cout<<"Possible"<<endl;
  for(int i=1;i<ok_l;i++) cout<<i<<endl;
  for(int i=n-1;i>ok_l;i--) cout<<i<<endl;
  cout<<ok_l<<endl;
}
#include<iostream>
using namespace std;
typedef long long ll;
ll num[100005]={0};
int main(){
  ll n,x;
  cin>>n>>x;
  for(int i=1;i<=n;i++) cin>>num[i];
  ll ok_l=0;
  for(int i=1;i<n;i++){
    if(num[i]+num[i+1]>=x) ok_l=i;
  }
  if(ok_l==0){
    cout<<"Impossible"<<endl;
    return 0;
  }
  cout<<"Possible"<<endl;
  for(int i=1;i<ok_l;i++) cout<<i<<endl;
  for(int i=n-1;i>ok_l;i--) cout<<i<<endl;
  cout<<ok_l<<endl;
}


Compiler output:
a.cc:25:4: error: redefinition of 'll num [100005]'
   25 | ll num[100005]={0};
      |    ^~~
a.cc:4:4: note: 'll num [100005]' previously defined here
    4 | ll num[100005]={0};
      |    ^~~
a.cc:26:5: error: redefinition of 'int main()'
   26 | int main(){
      |     ^~~~
a.cc:5:5: note: 'int main()' previously defined here
    5 | int main(){
      |     ^~~~
Language: C++

#include <iostream>
#include<algorithm>
#include<vector>
#define int long long
using namespace std;
int re(int i){return (i/2)*2;}
int solve(int i,int j,int l){
    return re(i)+re(j)+re(l);
}
#define vel vector<long long>
int ret(int i,int j){
    for(int k=i;k<=j;k++){
        cout << k<<endl;
    }
}
signed main(void){
    int n,l;cin >>n>>l;
    vel a(n);
    rep(i,n){cin >>a[i];}
    for(int i=0;i<n-1;i++){
        if(a[i]+a[i+1]>=l){
            cout << "Possible"<<endl;
            ret(1,i);
            ret(i+2,n-1);
            ret(i+1,i+1);
            return 0;
        }
    }
    cout << "Impossible"<<endl;
}


Compiler output:
a.cc: In function 'long long int ret(long long int, long long int)':
a.cc:15:1: warning: no return statement in function returning non-void [-Wreturn-type]
   15 | }
      | ^
a.cc: In function 'int main()':
a.cc:19:9: error: 'i' was not declared in this scope
   19 |     rep(i,n){cin >>a[i];}
      |         ^
a.cc:19:5: error: 'rep' was not declared in this scope; did you mean 'ret'?
   19 |     rep(i,n){cin >>a[i];}
      |     ^~~
      |     ret
Language: C++

#include <cassert>
#include <cstdio>
#include <cmath>
#include <iostream>
#include <iomanip>
#include <sstream>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <numeric>
#include <algorithm>

using namespace std;
using lint = long long;
constexpr int MOD = 1000000007, INF = 1010101010;
constexpr lint LINF = 1LL << 60;

template <class T>
ostream &operator<<(ostream &os, const vector<T> &vec) {
	for (const auto &e : vec) os << e << (&e == &vec.back() ? "\n" : " ");
	return os;
}

#ifdef _DEBUG
template <class T>
void dump(const char* str, T &&h) { cerr << str << " = " << h << "\n"; };
template <class Head, class... Tail>
void dump(const char* str, Head &&h, Tail &&... t) {
	while (*str != ',') cerr << *str++; cerr << " = " << h << "\n";
	dump(str + (*(str + 1) == ' ' ? 2 : 1), t...);
}
#define DMP(...) dump(#__VA_ARGS__, __VA_ARGS__)
#else 
#define DMP(...) ((void)0)
#endif

int main() {

	cin.tie(nullptr);
	ios::sync_with_stdio(false);

	int N, L;
	cin >> N >> L;

	RandNum ran;

	vector<int> a(N);
	for (int i = 0; i < N; i++) cin >> a[i];
	DMP(a);

	bool ok = false;
	int memo = -1;
	for (int i = 0; i < N; i++) {
		if (a[i] + a[i + 1] >= L) {
			ok = true;
			memo = i;
			break;
		}
	}

	if (ok) {
		cout << "Possible" << "\n";
		for (int i = 0; i < memo; i++) cout << i + 1 << "\n";
		for (int i = N - 1; i > memo + 1; i--) cout << i << "\n";
		cout << memo + 1 << "\n";
	}
	else cout << "Impossible" << "\n";

	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:46:9: error: 'RandNum' was not declared in this scope
   46 |         RandNum ran;
      |         ^~~~~~~
Language: C++

#include<cstdio>
#include<cstdlib>
#include<algorithm>
#include<iostream>
#include<queue>
#include<vector>
#include <bitset>
#include<math.h>
using namespace std;
#define INF 10000000
#define MOD 1000000007
typedef long long ll;
typedef pair<ll,int> P;

int main(){
    int N,ans;
    ll L,a[110000];
    cin>>N>>L;
    for(int i=0;i<N;i++){
        cin>>a[i];
    }
    bool flag=false;
    for(int i=0;i<N-1;i++){
        if(a[i]+a[i+1]>=L){
            flag=true;
            ans=i+1;
        } 
    }
    if(flag){
        cout<<"Possible"<<endl;
        for(int i=1;i<N;i++){
            if(ans==i) break;
            cout<<i<<endl;
        }
        for(int i-N-1;i>=0;i--){
            if(ans==i) break;
            cout<<i<<endl;
        }
        cout<<ans<<endl;
    }else cout<<"Impossible"<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:35:18: error: expected ';' before '-' token
   35 |         for(int i-N-1;i>=0;i--){
      |                  ^
      |                  ;
a.cc:35:27: error: expected ')' before ';' token
   35 |         for(int i-N-1;i>=0;i--){
      |            ~              ^
      |                           )
a.cc:35:28: error: 'i' was not declared in this scope
   35 |         for(int i-N-1;i>=0;i--){
      |                            ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
 ll N,L ; cin >> N >> L
  vector<ll> A(N); 
  for(ll i = 0; i < N; i++){ cin >> A[i];}
  for(ll i = 0; i < N-1; i++){ if(A[i]+A[i+1] >= L){
    cout << "Possible" << endl;
    for(int j = 1; j <= i; j++){ cout << j << endl;}
    for(int k = N-1; k >= i+2; k--){cout << k << endl;}
    cout << i+1 << endl; return 0;}
                             }
  
  cout << "Impossible" << endl; return 0;}
                            

Compiler output:
a.cc: In function 'int main()':
a.cc:5:24: error: expected ';' before 'vector'
    5 |  ll N,L ; cin >> N >> L
      |                        ^
      |                        ;
    6 |   vector<ll> A(N);
      |   ~~~~~~                
a.cc:7:37: error: 'A' was not declared in this scope
    7 |   for(ll i = 0; i < N; i++){ cin >> A[i];}
      |                                     ^
a.cc:8:35: error: 'A' was not declared in this scope
    8 |   for(ll i = 0; i < N-1; i++){ if(A[i]+A[i+1] >= L){
      |                                   ^
Language: C++

#include <bits/stdc++.h>

typedef long long;

const int N = 1e5 + 5;

int n, l;
ll a[N];

int main()
{
	scanf("%d%lld", &n, &l);
	int mark = 0;
	for (int i = 1; i <= n; i ++)
	{
		scanf("%lld", &a[i]);
		if (a[i] + a[i - 1] >= l)
			mark = i;
	}
	if (mark == 0)
	{
		printf("Impossible");
	}
	else
	{
		mark --;
		printf("Possible\n");
		for (int i = 1; i < n; i ++)
			if (i != mark) printf("%d\n", i);
		printf("%d", mark);
	}
	return 0;
}

Compiler output:
a.cc:3:14: error: declaration does not declare anything [-fpermissive]
    3 | typedef long long;
      |              ^~~~
a.cc:8:1: error: 'll' does not name a type
    8 | ll a[N];
      | ^~
a.cc: In function 'int main()':
a.cc:16:32: error: 'a' was not declared in this scope
   16 |                 scanf("%lld", &a[i]);
      |                                ^
Language: C++

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

signed main(){
	int n,l;cin>>n>>l;
	vector<int>a(n);
	for(auto&& u:a)cin>>u;
	int tmp=-1;
	rep(i,n-1)if(a[i]+a[i+1]>=l){tmp=i;break;}
if(tmp=-1){
	cout<<"Impossible"<<endl;
}else{
	cout<<"Possible"<<endl;
	for(int i=0;i<tmp;i++)cout<<i+1<<endl;
	for(int n-1;i>tmp;i--)cout<<i+1<<endl;
	cout<<tmp+1<<endl; 
}

}

Compiler output:
a.cc: In function 'int main()':
a.cc:17:18: error: expected ';' before '-' token
   17 |         for(int n-1;i>tmp;i--)cout<<i+1<<endl;
      |                  ^
      |                  ;
a.cc:17:21: error: 'i' was not declared in this scope
   17 |         for(int n-1;i>tmp;i--)cout<<i+1<<endl;
      |                     ^
a.cc:17:26: error: expected ')' before ';' token
   17 |         for(int n-1;i>tmp;i--)cout<<i+1<<endl;
      |            ~             ^
      |                          )
a.cc:17:27: error: 'i' was not declared in this scope
   17 |         for(int n-1;i>tmp;i--)cout<<i+1<<endl;
      |                           ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define IL inline
#define rep(i,j,k) for(int i=j;i<=k;++i)
#define repd(i,j,k) for(int i=j;i>=k;--i)
#define pb push_back
#define db double
#define mp make_pair
#define mp3(a,b,c) mp(mp(a,b),c)
#define pii pair<int,int>
#define piii pair<pii,int>
#define fr first
#define se second
#define ll long long
#define ull unsigned long long
#define pbc(x) __builtin_popcount(x)
#define clr(x) memset(x,0,sizeof x)
#define SIZE(x) (int)(x.size())
const int mod=1e9+7;
IL int pls(int x,int y){x+=y;return x>=mod?x-mod:x;}
IL int dec(int x,int y){x-=y;return x<0?x+mod:x;}
IL int mul(int x,int y){return 1ll*x*y%mod;}
IL int mul(int x,int y,int z){return mul(mul(x,y),z);}
IL int mul(int x,int y,int z,int p){return mul(mul(x,y),mul(z,p));}
IL void add(int &x,int y){x+=y;x=(x>=mod)?x-mod:x;}
IL int fpw(int x,int y,int r=1){for(;y;y>>=1,x=mul(x,x))if(y&1)r=mul(r,x);return r;}
IL int inv(int x){return fpw(x,mod-2);}
IL int gi(){int x;int _w=scanf("%d",&x);return x;}
IL void gi(int &x){int _w=scanf("%d",&x);}
IL void write(int x){printf("%d\n",x);}
void chkmax(int &x,int y){x=(x>y)?x:y;}
void chkmin(int &x,int y){x=(x<y)?x:y;}
const int INF=0x3f3f3f3f;
template<typename T>IL void debug(T x){cerr<<x;return;}
/* --------------------------------------------------------------------------------------------------------- */

int main(){
	int n=gi(),l=gi();
	static int a[200000];
	rep(i,1,n)a[i]=gi();	
	int p=0,mx=0;
	rep(i,1,n-1)if(a[i]+a[i+1]>mx)mx=a[i]+a[i+1],p=i;
	if(mx<l)puts("Impossible");
	else{
		puts("Possible");
		rep(i,1,p-1)write(i);
		repd(i,n-1,j+1)write(i);
		write(p);
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:47:28: error: 'j' was not declared in this scope
   47 |                 repd(i,n-1,j+1)write(i);
      |                            ^
a.cc:5:36: note: in definition of macro 'repd'
    5 | #define repd(i,j,k) for(int i=j;i>=k;--i)
      |                                    ^
Language: C++

#include <iostream>
#include <sstream>
#include <functional>
#include <algorithm>
#include <cstring>
#include <fstream>
#include <cmath>
#include <queue>
#include <vector>
#include <bits/stdc++.h>
using namespace std;
# define my_sizeof(type) ((char *)(&type+1)-(char*)(&type))
 
string makestring(int x)
{
    stringstream ss;
    ss << x;
    return ss.str();
}
 
int main()
{
 
 
    int n, l, t, c, x;
    vector<int> v;
    cin >> n >> l;
    for(int i = 0; i < n; i++){
        cin >> t;
        v.push_back(t);
    }
    for(int i = 0; i < n-1; i++){
        t=v[i]+v[i+1];
        if(c<t){
            c=t;
            x=i;
        }
 
    }
    if(c<l){
        cout << "Impossible";
    } else {
        cout << "Possible" << endl;
        for(int i = 1; i < x; i++){
            cout << i << endl;
        }
        for(int i = n-1; i > =x; i--){
            cout << i << endl;
        }
    }
 
 
 
 
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:47:30: error: expected primary-expression before '=' token
   47 |         for(int i = n-1; i > =x; i--){
      |                              ^
Language: C++

#include <bits/stdc++.h>

using namespace std;

int n, l;

int main() {
  scanf("%d %d", &n, &l);
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    scanf("%d", &a[i]);
  }
  int last = 0;
  for (int i = 1; i <= n; i++) {
    if (a[i - 1] + a[i] >= l) {
      last = i;
      break;
    }
  }
  if (!last) {
    puts("Impossible")
  } else {
    puts("Possible");
    for (int i = 1; i < last; i++) {
      printf("%d\n", i);
    }
    for (int i = n - 1; i >= last; i--) {
      printf("%d\n", i);
    }
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:23: error: expected ';' before '}' token
   21 |     puts("Impossible")
      |                       ^
      |                       ;
   22 |   } else {
      |   ~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int n, l;

int main() {
  scanf("%d %d", &n, &l);
  vector<int> a(n);
  for (int i = 0; i < n; i++) {
    scanf("%d", &a[i]);
  }
  int last = 0;
  for (int i = 1; i <= n; i++) {
    if (a[i - 1] + a[i] >= L) {
      last = i;
      break;
    }
  }
  if (!last) {
    puts("Impossible")
  } else {
    puts("Possible");
    for (int i = 1; i < last; i++) {
      printf("%d\n", i);
    }
    for (int i = n - 1; i >= last; i--) {
      printf("%d\n", i);
    }
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:28: error: 'L' was not declared in this scope
   15 |     if (a[i - 1] + a[i] >= L) {
      |                            ^
a.cc:21:23: error: expected ';' before '}' token
   21 |     puts("Impossible")
      |                       ^
      |                       ;
   22 |   } else {
      |   ~
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ll long long
int main(){
  ll n,k,m=0;
  cin>>n>>k;
  ll a[i];
  for(int i=0;i<n;i++){
    cin>>a[i];
    if(i!=0){
      if(a[i]+a[i-1]>=k){
        m=i;
      }
    }
  }
  if(m==0)cout<<"Impossible";
  else{
    cout<<"Possible"<<endl;
    for(int i=1;i<m;i++) cout<<i<<endl;
    for(int i=n-1;i>=m;i--) cout<<i<<endl;
  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:7:8: error: 'i' was not declared in this scope
    7 |   ll a[i];
      |        ^
a.cc:9:10: error: 'a' was not declared in this scope
    9 |     cin>>a[i];
      |          ^
Language: C++

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

typedef long long ll;
typedef pair<int,int> p_int;
typedef pair<ll,ll> p_ll;
typedef tuple<ll,ll,ll> t3_ll;
int dx[] = {-1,0,1,0},dy[] = {0,1,0,-1};
int prime[] = {2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97};
const ll inf = 1e9+7;

int main() {
	bool ans=false;
	ll a,b;cin>>a>>b;
	ll x[a];
	int pos;
	for(int i=0;i<a;i++){
		cin>>x[i];
		if(i!=0 && x[i-1]+x[i]>=b){
			ans = true;
			pos = i;
		}
	}
	if(!ans){
		cout<<"Impossible"<<endl;
		return 0;
	}
	cout<<"Possible"<<endl;
	for(int i=1;i<pos;i++){
		cout <<i<<endl;
	}
	for(int i=n-1;i>pos;i--){
		cout<<i<<endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:19: error: 'n' was not declared in this scope
   32 |         for(int i=n-1;i>pos;i--){
      |                   ^
Language: C++

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

typedef long long ll;
typedef pair<int,int> p_int;
typedef pair<ll,ll> p_ll;
typedef tuple<ll,ll,ll> t3_ll;
int dx[] = {-1,0,1,0},dy[] = {0,1,0,-1};
int prime[] = {2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,89,97};
const ll inf = 1e9+7;

int main() {
	bool ans=false;
	ll a,b;cin>>a>>b;
	ll x[a];
	int pos;
	for(int i=0;i<a;i++){
		cin>>x[i];
		if(i!=0 && x[i-1]+x[i]>=b){
			ans = true;
			pos = i;
		}
	}
	if(!ans){
		cout<<"Impossible"endl;
		return 0;
	}
	cout<<"Possible"<<endl;
	for(int i=1;i<pos;i++){
		cout <<i<<endl;
	}
	for(int i=n-1;i>pos;i--){
		cout<<i<<endl;
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:23: error: unable to find string literal operator 'operator""endl' with 'const char [11]', 'long unsigned int' arguments
   25 |                 cout<<"Impossible"endl;
      |                       ^~~~~~~~~~~~~~~~
a.cc:32:19: error: 'n' was not declared in this scope
   32 |         for(int i=n-1;i>pos;i--){
      |                   ^
Language: C


#include <stdio.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
int main(void)
{
	//変数の宣言
	int n,l;
	int a[100010];

	//よく使う変数
	int i,j,k,l;
	int flag=0;
	long int ans=0;
	int count=0;
	int temp,temp1,temp2;
	int max,min;
	int len;
	//データの読み込み
	
	scanf("%d %d",&n,&l);
	
	for(i=0;i<n;i++){
		scanf("%d",&a[i]);
	}
	
	
//	printf("nは%dです\n", n);
//	printf("データの読み込み終了\n");
	//実際の処理
	
	for(i=0;i<n-1;i++){
		if(a[i]+a[i+1]>=l){
			flag=1;
			break;
		}
	}
	
	if(flag==0){
		printf("Impossible");
	}else{
		printf("Possible\n");
		temp=i;
		for(i=1;i<=temp;i++){
			printf("%d\n",i);
		}
		for(i=n-1;i>temp;i--){
			printf("%d\n",i);
		}
	}
	
	
//	printf("計算部分終了\n");
	//出力
	
	
//	printf("結果の出力終了\n");
	
	return 0;
	
}



Compiler output:
main.c: In function 'main':
main.c:13:19: error: redeclaration of 'l' with no linkage
   13 |         int i,j,k,l;
      |                   ^
main.c:9:15: note: previous declaration of 'l' with type 'int'
    9 |         int n,l;
      |               ^
Language: Java

import java.io.*;
import java.util.StringTokenizer;

public class Knot {

    public static void main(String[] args) throws IOException {
        BufferedReader f = new BufferedReader(new InputStreamReader(System.in));
        PrintWriter out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));
        StringTokenizer st = new StringTokenizer(f.readLine());
        int n = Integer.parseInt(st.nextToken());
        int l = Integer.parseInt(st.nextToken());

        int[] a = new int[n];
        boolean can = false;
        int index = -1;
        StringTokenizer st1 = new StringTokenizer(f.readLine());
        for (int i = 0; i < n; i++) {
            a[i] = Integer.parseInt(st1.nextToken());
        }
        for (int i = 0; i < n-1; i++) {
            if((a[i]+a[i+1]) >=l ){
                can = true;
                index = i;
            }
        }

        if (can == false) {
            out.println("Impossible");
        } else {
            out.println("Possible");
            for (int i = 0; i < index; i++) {
                out.println(i+1);
            }
            for (int i = index + 1; i < n - 1; i++) {
                out.println(i+1);
            }
            out.println(index+1);
        }

        out.close();

    }
}


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

#include<bits/stdc++.h>
using namespace std;
long long a[100010];
long long b[100010];
int main()
{
	int n,l;
	cin>>n>>l;
	for(int i=1;i<=n;i++)
	  scanf("%d",&a[i]);
	long long ans=0;
	int pos=0;
	for(int i=1;i<n;i++)
	  {
	  	if(a[i]+a[i+1]>ans)
	  	  {
	  	  	ans=a[i]+a[i+1];
	  	  	pos=i;
		  }
	  }
	if(ans>=l)
	  {
	  	printf("Possible\n");
	  	
	  	for(int i=n-1;i>j;i--)
	  	  printf("%d\n",i);
	  	for(int i=1;i<j;i++)
	  	  printf("%d\n",i);
		printf("%d\n",pos);
	  }
	else
	  {
	  	printf("Impossible\n");
	  }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:25:33: error: 'j' was not declared in this scope
   25 |                 for(int i=n-1;i>j;i--)
      |                                 ^
a.cc:27:31: error: 'j' was not declared in this scope
   27 |                 for(int i=1;i<j;i++)
      |                               ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
const int N=100005;
int n;
long long l;
long long a[N];
int main()
{
	scanf("%d%lld",&n,&l);
	long long maxn=0;
	int mid;
	for(int i=1;i<=n;i++)
	{
		scanf("%lld",&a[i]);
		if(i>1&&a[i-1]+a[i]>maxn)
		{
			maxn=a[i-1]+a[i];
			mid=i-1;
		}
	}
	if(maxn>l)
	{
		printf("Possible\n");
		for(int i=1;i<mid;i++)
		printf("%d\n",i);
		for(int j=n-1;j>mid;j--)
		printf("%d\n",i);
		printf("%d",mid);
	}
	else
	{
		printf("Impossible");	
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:31: error: 'i' was not declared in this scope
   27 |                 printf("%d\n",i);
      |                               ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
const int N=100005;
int n;
long long l;
long long a[N];
int main()
{
	scanf("%d%lld",&n,&l);
	long long maxn=0;
	int mid;
	for(int i=1;i<=n;i++)
	{
		scanf("%lld",&a[i]);
		if(i>1&&a[i-1]+a[i]>maxn)
		{
			maxn=a[i-1]+a[i];
			mid=i-1;
		}
	}
	if(maxn>l)
	{
		printf("Possible\n");
		for(int i=1;i<mid;i++)
		printf("%d\n",i);
		for(int j=n-1;j>mid;j--)
		printf("%d\n",i)
		printf("%d",mid);
	}
	else
	{
		printf("Impossible");	
	}
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:27:31: error: 'i' was not declared in this scope
   27 |                 printf("%d\n",i)
      |                               ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
const int N=1e5+5;
int n,L,a[N],i,j;
int main(){
	scanf("%d%d",&n,&L);
	for(i=1;i<=n;i++)scanf("%d",&a[i]);
	for(i=1,j=1;i<n;i++)if(a[i]+a[i+1]>a[j]+a[j+1])j=i;
	if(a[j]+a[j+1]<L){puts("Impossible");return;}
	puts("Possible");
	for(i=n-1;i>j;i--)printf("%d\n",i);
	for(i=1;i<=j;i++)printf("%d\n",i);
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:46: error: return-statement with no value, in function returning 'int' [-fpermissive]
    9 |         if(a[j]+a[j+1]<L){puts("Impossible");return;}
      |                                              ^~~~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int n, k;
int a[100001];
vector <int> ans;

int main () {
	cin >> n >> k;
	int pos  = 0;
	for (int i = 1;i <= n;i ++) {
		cin >> a[i];
		if (i > 1 && a[i] + a[i - 1] >= k) {
			pos = i - 1;
		}
	}
	if (!pos) {
		cout << "Impossible";
		return 0;
	}
	cout << "Possible\n"; 
	for (int i = 1;i < pos;i ++) ans.push_back (i);
	for (int i = pos + 1;i < n;i ++) ans.push_back (i);
	ans.push_back (pos);
	for (auto to : ans) cout << to << "\n"
	return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:47: error: expected ';' before 'return'
   26 |         for (auto to : ans) cout << to << "\n"
      |                                               ^
      |                                               ;
   27 |         return 0;
      |         ~~~~~~
Language: C++

#include <iosteam>
using namespace std;

int main () {
	int a,b;
  	bool ok = false;
   	int d;
  	cin >> a >> b;
 	int c[a];
 	for (int i = 0;i < a;i++) {
    	cin >> c[i];
    }
 	for (int i = 0;i < a - 1;i++){
     	 if (c[i]+c[i+1] >= b) {
           ok = true;
           d = i;
         }
    }
  	if (ok) {
      	cout << "Possible" <<endl;
    	for (int i = 1;i < d + 1;i++) cout << i << endl;
      	for (int i = a - 1;d + 1 < i;i++) cout << i << endl;
    }
  	else cout << "Impossible" << endl;
}

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

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

int main(){
    
    long long n, l; cin >> n >> l;
    vector<long long> a(n);
    for(int i = 0; i < (int)n; i++){
        cin >> a[i];
    }


    bool flag = false;
    int idx;
    for(int i = 1; i < (int)n; i++){
        if(a[i] + a[i - 1] >= l){
            idx = i;
            flag  true;
            break;
        }
    }

    if(!flag) puts("Impossoble");
    else{
        puts("Possible");

        for(int i = 1; i < idx; i++){
            cout << i << endl;
        }

        for(int i = idx + 1; i < (int)n; i++){
            cout << i << endl;
        }

        cout << idx << endl;
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:17: error: expected ';' before 'true'
   18 |             flag  true;
      |                 ^ ~~~~
      |                 ;
Language: C++

#include <iostream>
#include <climits>
#include <stack>
#include <queue>
#include <string>
#include <set>
#include <map>
#include <math.h>
#include <algorithm>
#include <vector>
 
using namespace std;
 
typedef long long ll;
 
typedef pair<ll,ll> P;
long long int INF = 1e18;
double Pi = 3.141592653589;
const int mod = 1000000007;
// memset(a,0,sizeof(a)); →全部０にする
 
vector<int> G[100005];
std::vector<P> tree[100010];
 
int dx[8]={1,0,-1,0,1,1,-1,-1};
int dy[8]={0,1,0,-1,1,-1,-1,1};
 
#define p(x) cout<<x<<endl;
#define e cout<<endl;
#define pe(x) cout<<x<<" ";
#define re(i,a,b) for(i=a;i<=b;i++)
 
ll i,j,k,l,ii,jj;
ll n,m;
ll x,y;
ll ans=0;
ll a[100005],b[100005];
ll sum=0;
ll kazu=0;
ll sita=0,ue=n-1;
bool used[100005];
bool flag;

int main(){
	cin>>n>>l;
	for(i=0;i<n;i++){
		cin>>a[i];
		sum+=a[i];
	}
	sita=0;
	ue=n-1;
	while(true){
		if(ue!=sita && sum<l){
			flag=true;
			break;
		}
		if(ue==sita){
			flag=false;
			break;
		}
		if(a[sita]>a[ue]){
			sum-=a[ue];
			b[kazu]=ue;
			ue--;
		}else{
			sum-=a[sita];
			b[kazu]=sita+1;
			sita++;
		}
		kazu++;
	}
	if(flag){
		p("Impossible");
	}else{
		p("Possible");
		for(i=0;i<n-1;i++){
			p(b[i]);
		}
	}

	return 0;
}
/*  

Compiler output:
a.cc:83:1: error: unterminated comment
   83 | /*
      | ^
Language: C++

#include <iostream>

int v[100000];

int main()
{
    int n, k, i, maxx, poz1, poz2;
    cin >> n >> k >> v[0] ;
    maxx = 0;
    for( i = 1; i < n; i++ )
    {
        cin >> v[i];
        if( v[i - 1] + v[i] > maxx )
        {
            maxx = v[i - 1] + v[i];
            poz1 = i - 1;
            poz2 = i;
        }
    }
    if (maxx < k)
    {
        cout <<"Impossible";
        return 0 ;
    }
    cout << "Possible\n" ;
    for( i = 1; i <= poz1; i++ )
    {
        out << i << '\n' ;
    }
    for( i = n - 1; i > poz2; i-- )
    {
        out << i << '\n' ;
    }
    cout << poz2 ;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:8:5: error: 'cin' was not declared in this scope; did you mean 'std::cin'?
    8 |     cin >> n >> k >> v[0] ;
      |     ^~~
      |     std::cin
In file included from a.cc:1:
/usr/include/c++/14/iostream:62:18: note: 'std::cin' declared here
   62 |   extern istream cin;           ///< Linked to standard input
      |                  ^~~
a.cc:22:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   22 |         cout <<"Impossible";
      |         ^~~~
      |         std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:25:5: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
   25 |     cout << "Possible\n" ;
      |     ^~~~
      |     std::cout
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:28:9: error: 'out' was not declared in this scope
   28 |         out << i << '\n' ;
      |         ^~~
a.cc:32:9: error: 'out' was not declared in this scope
   32 |         out << i << '\n' ;
      |         ^~~
Language: C++

#include <iostream>

using namespace std;

int v[100000] ;

int main()
{
    int n ,l ,i ,poz1 = 0 ,poz2 = 0 ,x ,y;
    cin >> n >> l ;
    for (i = 1 ; i <= n ; i ++)
    {
        cin >> v[i];
        if (v[i] + v[i-1] >= maxx)
        {
            maxx = v[i] + v[i-1] ;
            poz2 = i ,poz1 = i - 1;
        }
            
    }
    if (maxx < k )
    {
        cout << "Impossible" ;
        return 0 ;
    }
    cout << "Possible\n" ;
    for (i = 1 ; i <= poz1 ; ++ i)
    {
        cout << i << '\n' ;
    }
    for (i = n-1 ; i > poz2 ; i --)
    {
        cout << i << '\n';
    }
    cout << poz2 ;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:30: error: 'maxx' was not declared in this scope
   14 |         if (v[i] + v[i-1] >= maxx)
      |                              ^~~~
a.cc:21:9: error: 'maxx' was not declared in this scope
   21 |     if (maxx < k )
      |         ^~~~
a.cc:21:16: error: 'k' was not declared in this scope
   21 |     if (maxx < k )
      |                ^
Language: C++

#include <iostream>

using namespace std;

int v[100000] ;

int main()
{
    int n ,l ,i ,poz1 = 0 ,poz2 = 0 ,x ,y;
    cin >> n >> l ;
    for (i = 1 ; i <= n ; i ++)
    {
        cin >> v[i];
        if (v[i] + v[i-1] >= l)
            poz2 = i ,poz1 = i - 1;
    }
    if (poz1 == 0 && poz2 == 0)
    {
        cout << "Impossible" ;
        return 0 ;
    }
    cout << "Possible\n" ;
    for (i = 1 ; i <= poz1 ; ++ i)
    {
        cout << i << '\n' ;
    }
    for (i = n-1 ; i >b ; i --)
    {
        cout << i << '\n';
    }
    cout << poz1 ;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:27:23: error: 'b' was not declared in this scope
   27 |     for (i = n-1 ; i >b ; i --)
      |                       ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
int v[100000];
long long s;
int main()
{
    int n, k;
    cin>>n>>k;
    for (it i=0; i<n; i++){
        cin>>v[i];
        s+=v[i];
    }
    if (s<k){
        cout<<"impossible";
        return 0;
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:10: error: 'it' was not declared in this scope; did you mean 'int'?
    9 |     for (it i=0; i<n; i++){
      |          ^~
      |          int
a.cc:9:18: error: 'i' was not declared in this scope
    9 |     for (it i=0; i<n; i++){
      |                  ^
Language: C++

// ConsoleApplication2.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <math.h>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <type_traits>
#include <vector>
typedef long long int ll;
#define FOR(i, a, b) for (ll i = (a); i < (b); ++i)
#define REP(i, n) FOR(i, 0, n)
#define EREP(i, n) for (int i = (n - 1); i >= 0; --i)
#define mod 100000
#define INF 93193111451418101
#define MIN -933111451418101
#define pb push_back
using namespace std;
typedef pair<ll, ll> P;

/*template <typename T, typename U>
std::enable_if_t<std::rank<T>::value == 0> fill_all(T &arr, const U &v) {
arr = v;
}
template <typename ARR, typename U>
std::enable_if_t<std::rank<ARR>::value != 0> fill_all(ARR &arr, const U &v) {
for (auto &i : arr) {
fill_all(i, v);
}
}*/
//------------------?????°-----------------------//
ll n, l;
vector<ll>v, cl;
//-------------------??¢??°----------------------//

int main() {
	cin >> n >> l;
	ll goukei = 0;
	REP(i, n) {
		ll hoge; cin >> hoge;
		v.pb(hoge); goukei += hoge;//合計を求める
	}
	ll fr = 0, ba = v.size() - 1;
	REP(i, n - 2) {
		if (v[fr] <= v[ba ] ) {//もし左端のほうが小さければ
			goukei -= v[fr ];
			cl.pb(fr + 1);
			fr++;
		}
		else {//右端のほうが小さければ
			goukei -= v[ba];
			cl.pb(ba);//ほどく
			ba--;
		}
		if (goukei < l) {//もし規定値を超えていたら
			cout << "Impossible" << endl; return 0;
		}
	}
	if (n <= 2) {//nが2以下は例外
		if (goukei >= l) { cout << "Possible" << endl << 1 << endl; }
		else { cout << "Impossible" << endl; }
		return 0;
	}
	cout << "Possible" << endl;
	REP(i, cl.size()) {
		cout << cl[i] << endl;
	}
	cout << fr+1 << endl;
	return 0;
}



Compiler output:
a.cc:4:10: fatal error: stdafx.h: No such file or directory
    4 | #include "stdafx.h"
      |          ^~~~~~~~~~
compilation terminated.
Language: C++

// ConsoleApplication2.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <math.h>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <type_traits>
#include <vector>
typedef long long int ll;
#define FOR(i, a, b) for (ll i = (a); i < (b); ++i)
#define REP(i, n) FOR(i, 0, n)
#define EREP(i, n) for (int i = (n - 1); i >= 0; --i)
#define mod 100000
#define INF 93193111451418101
#define MIN -933111451418101
#define pb push_back
using namespace std;
typedef pair<ll, ll> P;

/*template <typename T, typename U>
std::enable_if_t<std::rank<T>::value == 0> fill_all(T &arr, const U &v) {
arr = v;
}
template <typename ARR, typename U>
std::enable_if_t<std::rank<ARR>::value != 0> fill_all(ARR &arr, const U &v) {
for (auto &i : arr) {
fill_all(i, v);
}
}*/
//------------------?????°-----------------------//
ll n, l;
vector<ll>v, cl;
//-------------------??¢??°----------------------//

int main() {
	cin >> n >> l;
	ll goukei = 0;
	REP(i, n) {
		ll hoge; cin >> hoge;
		v.pb(hoge); goukei += hoge;
	}
	ll fr = 0, ba = v.size() - 1;
	REP(i, n - 2) {
		if (v[fr] <= v[ba ] ) {
			goukei -= v[fr ];
			cl.pb(fr + 1);
			fr++;
		}
		else {
			goukei -= v[ba];
			cl.pb(ba);
			ba--;
		}
		if (goukei < l) {//もし規定値を超えていたら
			cout << "Impossible" << endl; return 0;
		}
	}
	if (n <= 2) {
		if (goukei >= l) { cout << "Possible" << endl << 1 << endl; }
		else { cout << "Impossible" << endl; }
		return 0;
	}
	cout << "Possible" << endl;
	REP(i, cl.size()) {
		cout << cl[i] << endl;
	}
	cout << fr+1 << endl;
	return 0;
}



Compiler output:
a.cc:4:10: fatal error: stdafx.h: No such file or directory
    4 | #include "stdafx.h"
      |          ^~~~~~~~~~
compilation terminated.