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

#include <bits/stdc++.h>
using namespace std;
/* typedef */
typedef long long ll;
typedef pair<int, int> pii;
/* constant */
const int INF = 1 << 30;
const ll LINF = 1LL << 50;
const int NIL = -1;
const int MAX = 10000;
const int mod = 1000000007;
const double pi = 3.141592653589;
/* global variables */
/* function */
/* main */
int main(){
    int N, A, B;
    cin >> N >> A >> B;
    int r = N - A - B + 1;
    else if (r < 0 || A * B < N ) cout << -1 << '\n';
    else {
        for (int i = B + A - 1; i >= A + 1; i--) cout << i << ' ' ;
        for (int i = B + A; i <= N; i++) cout << i << ' ' ;
        for (int i = 1; i <= A; i++) cout << i << ' ' ;
        cout << '\n';
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:5: error: 'else' without a previous 'if'
   20 |     else if (r < 0 || A * B < N ) cout << -1 << '\n';
      |     ^~~~
Language: C++

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

#define rep(i,n) for(ll i=0;i<(n);++i)
using ll = int_fast64_t;
using pll = pair<ll,ll>;
constexpr ll INF = (1LL<<60);
constexpr ll MOD = (1e9+7);
//constexpr ll MOD = (998244353);
template<class T> bool chmax(T &a,const T &b){if(a<b){a=b;return 1;}return 0;}
template<class T> bool chmin(T &a,const T &b){if(a>b){a=b;return 1;}return 0;}
#if loc||local
void dump(){cerr<<endl;}
template<class T,class... Ts> void dump(T&& h, Ts&&... t){cerr<<h<<", ";dump(forward<Ts>(t)...);}
#else
void dump(){}
template<class T,class... Ts> void dump(T&& h, Ts&&... t){}
#endif
template<class T> istream &operator>>(istream&is,vector<T>&v){for(auto &elemnt:v)is>>elemnt;return is;}
template<class T,class U> istream &operator>>(istream&is,pair<T,U>&p){is>>p.first>>p.second;return is;}
template<class T> ostream &operator<<(ostream& os,vector<T>const& v){for(auto const& vi:v)os<<vi<<" ";return os;}
template<class T,class U> ostream &operator<<(ostream& os,pair<T,U>const& p){os<<p.first<<","<<p.second;return os;}
template<class T>vector<T> vec(size_t a){return vector<T>(a);}
template<class T, class... Ts>auto vec(size_t a, Ts... ts){return vector<decltype(vec<T>(ts...))>(a, vec<T>(ts...));}

signed main(){

  int n,a,b;
  cin>>n>>a>>b;
  if(a+b-1>n){
    cout<<-1<<endl;
    exit(0);
  }
  exit(1);
  vector<int> a(n);


}

Compiler output:
a.cc: In function 'int main()':
a.cc:35:15: error: conflicting declaration 'std::vector<int> a'
   35 |   vector<int> a(n);
      |               ^
a.cc:28:9: note: previous declaration as 'int a'
   28 |   int n,a,b;
      |         ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define rep(i,j,n) for(int i=(int)(j);i<(int)(n);i++)
#define REP(i,j,n) for(int i=(int)(j);i<=(int)(n);i++)
#define MOD 1000000007
#define int long long
#define ALL(a) (a).begin(),(a).end()
#define vi vector<int>
#define vii vector<vi>
#define pii pair<int,int>
#define priq priority_queue<int>
#define disup(A,key) distance(A.begin(),upper_bound(ALL(A),(int)(key)))
#define dislow(A,key) distance(A.begin(),lower_bound(ALL(A),(int)(key)))
#define tii tuple<int,int,int>
#define Priq priority_queue<int,vi,greater<int>>
#define pb push_back
#define mp make_pair
#define INF (1ll<<60)
signed main(){
  int N,A,B; cin>>N>>A>>B;
  if(A+B<=N+1&&(N+A-1)/A<=B&&(N+B-1)/B<=A){
    int memo;
    REP(i,0,N){
      int X=i+(N-i+A-1)/A;
      if(X==B){
        memo=i;
        break;
      }
    }
    vi ans=-1;
    REP(i,1,memo) ans.pb(memo);
    vii C(N);
    for(int i=N;memo<i;i--){
      int X=(N-i)/A;
      C[X].pb(i);
    }
    if(memo==-1){
      while(1){
      }
    }
    rep(i,0,N){
      sort(ALL(C[i]));
      rep(j,0,C[i].size()) cout<<C[i][j]<<" ";
    }
    reverse(ALL(ans));
    rep(i,0,memo) cout<<ans[i]<<" ";
    cout<<endl;
  }
  else cout<<-1<<endl;
  }



Compiler output:
a.cc: In function 'int main()':
a.cc:30:12: error: conversion from 'int' to non-scalar type 'std::vector<long long int>' requested
   30 |     vi ans=-1;
      |            ^~
Language: C++

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using db = double;
using ld = long double;
template<typename T> using V = vector<T>;
template<typename T> using VV = vector<vector<T>>;
#define fs first
#define sc second
#define pb push_back
#define mp make_pair
#define mt make_tuple
#define eb emplace_back
#define all(v) (v).begin(),(v).end()
#define siz(v) (int)(v).size()
#define rep(i,a,n) for(ll i=a;i<(ll)(n);i++)
#define repr(i,a,n) for(ll i=n-1;(ll)a<=i;i--)
#define lb lower_bound
#define ub upper_bound
typedef pair<int,int> P;
typedef pair<ll,ll> PL;
const ll mod = 1000000007;
const ll INF = 1000000099;
const ll LINF = (ll)(1e18 +99);
vector<ll> dx={-1,1,0,0},dy={0,0,-1,1};
template<typename T,typename U> void chmin(T& t, const U& u){if(t>u)t=u;}
template<typename T,typename U> void chmax(T& t, const U& u){if(t<u)t=u;}
template<typename T>T gcd(T a,T b){return b?gcd(b,a%b):a;}
template<typename T>T mpow(T a, T n) {
   T res = 1;
   for(;n;n>>=1) {
      if (n & 1) res = res * a;
      a = a * a;
   }
   return res;
}

vector<int> ans(0);

signed main(){
   cin.tie(0);ios::sync_with_stdio(false);
   cout<<fixed<<setprecision(20);
  int n,a,b;cin>>n>>a>>b;
  if(n<a+b-1 || a*b<n){
    cout<<-1<<endl;
    return 0;
  }

  int mxind=0,upcnt=a;
  while(1){
    int oku=min(b,(n-siz(ans)-upcnt+1));
    mxind+=oku;
    for(int i=mxind;mxind-oku<i;i--){
      ans.pb(i);
    }
    upcnt--;
    if(mxind>=n)break;
  }

  rep(i,0,n){
    cout<<ans[i]<<" ";
    assert(1<=ans[i] && ans[i]<=n)
  }
  cout<<endl;
}
//( ・ __ ・ ) KEEP BEING ORGANIZED
//CHECK overflow,vector_size,what to output?

Compiler output:
a.cc: In function 'int main()':
a.cc:63:3: error: expected ';' before '}' token
   63 |   }
      |   ^
Language: C++

/*input

*/
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;

#define int long long 
#define double long double
#define f first
#define s second
#define mp make_pair
#define pb push_back

#define RE(i,n) for (int i = 1; i <= n; i++)
#define RED(i,n) for (int i = n; i > 0; i--)
#define REPS(i,n) for(int i = 1; (i*i) <= n; i++)
#define REP(i,n) for (int i = 0; i < (int)n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REPD(i,n) for (int i = n-1; i >= 0; i--)
#define FORD(i,a,b) for (int i = a; i >= b; i--)

#define all(v) v.begin(),v.end()
#define pii pair<int,int>
#define vi vector<int>
#define vvi vector<vi>
#define print(arr) for (auto it = arr.begin(); it != arr.end(); ++it) cout << *it << " "; cout << endl;
#define debug(x) cout << x << endl;
#define debug2(x,y) cout << x << " " << y << endl;
#define debug3(x,y,z) cout << x << " " << y << " " << z << endl;

typedef tree<
int,
null_type,
less<int>,
rb_tree_tag,
tree_order_statistics_node_update>
ordered_set;

const int INF = 1e18+1;
const int MOD = 1e9+7;
const double PI = 3.14159265358979323846264338;

int raise(int a,int n,int m = MOD){
  if(n == 0)return 1;
  if(n == 1)return a;
  int x = 1;
    x *= raise(a,n/2,m);
    x %= m;
    x *= x;
    x %= m;
    if(n%2)x*= a;
    x %= m;
    return x;
}

int floor1(int n,int k){
    if(n%k == 0 || n >= 0)return n/k;
    return (n/k)-1;
}

int ceil1(int n,int k){
    return floor1(n+k-1,k);
}

void solve(){
  	int n,a,b;cin >> n >> a >> b;
  	if(a+b > n+1)cout << -1;

signed main(){
  ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  //freopen(".in","r",stdin);freopen(".out","w",stdout);
  int t = 1;
  //cin >> t;
  while(t--){
    solve();
  }
  return 0;
}

Compiler output:
a.cc: In function 'void solve()':
a.cc:72:12: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   72 | signed main(){
      |            ^~
a.cc:72:12: note: remove parentheses to default-initialize a variable
   72 | signed main(){
      |            ^~
      |            --
a.cc:72:12: note: or replace parentheses with braces to value-initialize a variable
a.cc:72:14: error: a function-definition is not allowed here before '{' token
   72 | signed main(){
      |              ^
a.cc:81:2: error: expected '}' at end of input
   81 | }
      |  ^
a.cc:68:13: note: to match this '{'
   68 | void solve(){
      |             ^
Language: C++

#include<bits/extc++.h>
#ifdef _debug 
#define dout(i) cout << #i << ' ' << i << ' '
#else 
#include<bits/stdc++.h>
#define dout(i) 0&&0
#endif
#pragma GCC optimize("unroll-loops,no-stack-protector,O3")
#define eout(i) {cout << (i) << '\n';exit(0);}
#define priority_queue __gnu_pbds::priority_queue
#define unordered_map __gnu_pbds::gp_hash_table
#define rep(a, b) {for(int _i = a;_i > 0;--_i){b;}}
#define multe int _T;for(cin >> _T;_T--;)
using namespace std;
using ll = long long;using ull = unsigned long long;using ul = unsigned;using db = double;
using __gnu_pbds::null_type;
template<typename T> void read(int n, T s){while(n--)cin >> *s, ++s;}
template<typename T> void write(int n, T s){while(n--)cout << *s << " \n"[n==0], ++s;}
template<typename T> using rbtree = __gnu_pbds::tree<T,__gnu_pbds::null_type,less<T>,__gnu_pbds::rb_tree_tag,__gnu_pbds::tree_order_statistics_node_update>;
template<typename T> inline ostream& operator << (ostream &ou, const vector<T> &a){for(auto it = a.begin();it != a.end();++it)ou << (it != a.begin() ? " " : "") << *it;return ou;}
template<typename T1, typename T2>inline istream& operator >> (istream &in, pair<T1, T2> &a){return in >> a.first >> a.second;}
template<typename T1, typename T2>inline ostream& operator << (ostream &ou, const pair<T1, T2> &b){return ou << b.first << ' ' << b.second;}
template<typename T> inline long long pow(long long v, long long t, const T &p){long long res = 1;for(;t;t >>= 1, v = v * v % p)if(t & 1)res = res * v % p;return res;}
ll n, a, b;
ll sig(ll v){
	return (v * (v-1))/2;
}
signed main(){
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> n >> a >> b;
	if(n < a+b-1 || n > max(sig(a) + sig(b), a*b))eout(-1);
	else{
		assert(false);
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:32:9: error: 'else' without a previous 'if'
   32 |         else{
      |         ^~~~
Language: C++

#include<iostream>

int main(){
 cout<<-1<<endl; 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:4:2: error: 'cout' was not declared in this scope; did you mean 'std::cout'?
    4 |  cout<<-1<<endl;
      |  ^~~~
      |  std::cout
In file included from a.cc:1:
/usr/include/c++/14/iostream:63:18: note: 'std::cout' declared here
   63 |   extern ostream cout;          ///< Linked to standard output
      |                  ^~~~
a.cc:4:12: error: 'endl' was not declared in this scope; did you mean 'std::endl'?
    4 |  cout<<-1<<endl;
      |            ^~~~
      |            std::endl
In file included from /usr/include/c++/14/iostream:41:
/usr/include/c++/14/ostream:744:5: note: 'std::endl' declared here
  744 |     endl(basic_ostream<_CharT, _Traits>& __os)
      |     ^~~~
Language: C++

#include <iostream> 
#include <cstdio> 
#include <fstream> 
#include <algorithm> 
#include <cmath> 
#include <deque> 
#include <vector> 
#include <queue> 
#include <string> 
#include <cstring> 
#include <map> 
#include <stack> 
#include <set> 
using namespace std;
typedef  long long ll;
const int maxn = 310000;
#define inf 0x3f3f3f3f
int s[maxn];
int main()
{
	int n;
	cin >> n;
	int a, b;
	cin >> a >> b;
	if (a * b < n || a + b > n + 1)
	{
		printf("-1\n");
		return 0;
	}
	int cnt = 0;
	for (int i = n-a+1; i <= n; i++)
	{
		s[i] = ++cnt;
	}
	b--;
	int now = n - a;
	if (now <= 0||b==0)
	{
		for (int i = 1; i <= n; i++)
		{
			printf("%d", i);
			if (i == n)printf("\n");
			else printf(" ");
		}
		return;
	}
	int flag = now% b;
	int jb = now / b;
	for (int i = now - jb+1; i >= 1; i -= jb)
	{
		if (flag)
		{
			flag--;
			i--;
			for (int j = i; j <= now; j++)
			{
				s[j] = ++cnt;
			}
			now = i - 1;
		}
		else
		{
			for (int j = i; j <= now; j++)
			{
				s[j] = ++cnt;
			}
			now = i - 1;
		}
	}
	for (int i = 1; i <= n; i++)
	{
		printf("%d", s[i]);
		if (i == n)printf("\n");
		else
		{
			printf(" ");
		}
	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:45:17: error: return-statement with no value, in function returning 'int' [-fpermissive]
   45 |                 return;
      |                 ^~~~~~
Language: C++

main() {
    int n,a,b,memo[300001]={1};
    scanf("%d%d%d",&n,&a,&b);
    if (n > 1LL*a*b || n < a+b-1) puts("-1");
    else {
        int now=b,cnt=n;
        while(1) {
            for(int i=0;i<b;++i){
                if (a == cnt) {
                    for(int k=0;k<=n;++k)if (!memo[k]) printf("%d ",k);
                    return 0;
                }
                cnt--;
                printf("%d ",now-i);
                memo[now-i] = 1;
            }
            a--;
            now = n<now+b?n:now+b;
        }
    }
}


Compiler output:
a.cc:1:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    1 | main() {
      | ^~~~
a.cc: In function 'int main()':
a.cc:3:5: error: 'scanf' was not declared in this scope
    3 |     scanf("%d%d%d",&n,&a,&b);
      |     ^~~~~
a.cc:4:35: error: 'puts' was not declared in this scope
    4 |     if (n > 1LL*a*b || n < a+b-1) puts("-1");
      |                                   ^~~~
a.cc:10:56: error: 'printf' was not declared in this scope
   10 |                     for(int k=0;k<=n;++k)if (!memo[k]) printf("%d ",k);
      |                                                        ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | main() {
a.cc:14:17: error: 'printf' was not declared in this scope
   14 |                 printf("%d ",now-i);
      |                 ^~~~~~
a.cc:14:17: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
Language: C++

#define rep(i,n) for(int i=0;i<(int)(n);++i)
int n,a,b,memo[300001]={1};

main() {
    scanf("%d%d%d",&n,&a,&b);
    if (n > 1LL*a*b || n < a+b-1) puts("-1");
    else {
        int now=b,cnt=n;
        while(1) {
            for(int i=0;i<b;++i){
                if (a == cnt) {
                    for(int k=0;k<=n;++k)if (!memo[k]) printf("%d ",k);
                    return 0;
                }
                cnt--;
                printf("%d ",now-i);
                memo[now-i] = 1;
            }
            a--;
            now = n<now+b?n:now+b;
        }
    }
}


Compiler output:
a.cc:4:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    4 | main() {
      | ^~~~
a.cc: In function 'int main()':
a.cc:5:5: error: 'scanf' was not declared in this scope
    5 |     scanf("%d%d%d",&n,&a,&b);
      |     ^~~~~
a.cc:6:35: error: 'puts' was not declared in this scope
    6 |     if (n > 1LL*a*b || n < a+b-1) puts("-1");
      |                                   ^~~~
a.cc:12:56: error: 'printf' was not declared in this scope
   12 |                     for(int k=0;k<=n;++k)if (!memo[k]) printf("%d ",k);
      |                                                        ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | #define rep(i,n) for(int i=0;i<(int)(n);++i)
a.cc:16:17: error: 'printf' was not declared in this scope
   16 |                 printf("%d ",now-i);
      |                 ^~~~~~
a.cc:16:17: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
Language: C++

#define rep(i,n) for(int i=0;i<(int)(n);++i)
int n,a,b,M[300001]={1};main(){scanf("%d%d%d",&n,&a,&b);if(n>a*b||n<a+b-1)puts("-1");else{int N=b,C=n;while(1){rep(i,b){if(i==b-1)a--;C--;printf("%d ",N-i);M[N-i]=1;if(a==C)rep(k,n+1)if(!M[k])printf("%d ",k);return 0;}}N=n<N+b?n:N+b;}}}


Compiler output:
a.cc:2:25: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    2 | int n,a,b,M[300001]={1};main(){scanf("%d%d%d",&n,&a,&b);if(n>a*b||n<a+b-1)puts("-1");else{int N=b,C=n;while(1){rep(i,b){if(i==b-1)a--;C--;printf("%d ",N-i);M[N-i]=1;if(a==C)rep(k,n+1)if(!M[k])printf("%d ",k);return 0;}}N=n<N+b?n:N+b;}}}
      |                         ^~~~
a.cc: In function 'int main()':
a.cc:2:32: error: 'scanf' was not declared in this scope
    2 | int n,a,b,M[300001]={1};main(){scanf("%d%d%d",&n,&a,&b);if(n>a*b||n<a+b-1)puts("-1");else{int N=b,C=n;while(1){rep(i,b){if(i==b-1)a--;C--;printf("%d ",N-i);M[N-i]=1;if(a==C)rep(k,n+1)if(!M[k])printf("%d ",k);return 0;}}N=n<N+b?n:N+b;}}}
      |                                ^~~~~
a.cc:2:75: error: 'puts' was not declared in this scope
    2 | int n,a,b,M[300001]={1};main(){scanf("%d%d%d",&n,&a,&b);if(n>a*b||n<a+b-1)puts("-1");else{int N=b,C=n;while(1){rep(i,b){if(i==b-1)a--;C--;printf("%d ",N-i);M[N-i]=1;if(a==C)rep(k,n+1)if(!M[k])printf("%d ",k);return 0;}}N=n<N+b?n:N+b;}}}
      |                                                                           ^~~~
a.cc:2:139: error: 'printf' was not declared in this scope
    2 | int n,a,b,M[300001]={1};main(){scanf("%d%d%d",&n,&a,&b);if(n>a*b||n<a+b-1)puts("-1");else{int N=b,C=n;while(1){rep(i,b){if(i==b-1)a--;C--;printf("%d ",N-i);M[N-i]=1;if(a==C)rep(k,n+1)if(!M[k])printf("%d ",k);return 0;}}N=n<N+b?n:N+b;}}}
      |                                                                                                                                           ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | #define rep(i,n) for(int i=0;i<(int)(n);++i)
a.cc: At global scope:
a.cc:2:236: error: expected declaration before '}' token
    2 | int n,a,b,M[300001]={1};main(){scanf("%d%d%d",&n,&a,&b);if(n>a*b||n<a+b-1)puts("-1");else{int N=b,C=n;while(1){rep(i,b){if(i==b-1)a--;C--;printf("%d ",N-i);M[N-i]=1;if(a==C)rep(k,n+1)if(!M[k])printf("%d ",k);return 0;}}N=n<N+b?n:N+b;}}}
      |                                                                                                                                                                                                                                            ^
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int n; long long int a,b; cin >> n >> a >> b;
  if(n > a*b || n < a + b -1){cout << "-1" << endl; return 0;}
  int d = a*b - n;
  int m = n;
  vector<int> v;printf("%d ", n-i);
  for(int i=0;i < b ;i++){
  	if(i==0){
      for(int i=a-1;i>=0;i--) printf("%d ", n-i);
      n -= a;
    }else{
      if(d >= a-1){
       for(int i=0;i>=0;i--) printf("%d ", n-i);
       n -= 1;
       d -= a-1;
      }else if(d == 0){
        for(int i=a-1;i>=0;i--) printf("%d ", n-i);
      	n -= a;
      }else{
      	int r = d % (a-1);
        for(int i=a-1-r;i>=0;i--) printf("%d ", n-i);
      	d -= r;
        n -= a-r;
      }
    }
  }
  printf("\n");
}

Compiler output:
a.cc: In function 'int main()':
a.cc:8:33: error: 'i' was not declared in this scope
    8 |   vector<int> v;printf("%d ", n-i);
      |                                 ^
Language: C++

#include <cstdio>
#include <vector>
#include <map>
#define rep(i,a) for(int i=0;i<(a);++i)

int N, A, B;
std::vector<int> vs;

void show( const std::vector<int> &v )
{
  rep( i, v.size() )
    printf( "%d%c", v[i], i==v.size()-1?'\n':' ' );

  return;
}

int main()
{
  scanf( "%d%d%d", &N, &A, &B );

  if( N < A+B-1 || N > A*B )
  { puts("-1"); return 0; }

  int p = A*B;
  for( int i = A-1; i < A*B; i += A )
  {
    rep( j, A )
      vs.push_back( p-(A-1-j) );

    p -= A;
  }

  //show(vs);

  std::vector<int> ans( vs.begin(), vs.begin()+A );
  int rest = N-(A+B-1);
  for( int i = A; i < A*B; i += A )
  {
    ans.push_back( vs[i] );

    rep( j, A-1 ) if( rest > 0 )
      ans.push_back( vs[i+j+1] ), --rest;
  }

  //show(ans);

  std::vector<int> sorted = ans;
  std::sort( sorted.begin(), sorted.end() );

  std::map<int, int> m;

  rep( i, sorted.size() )
    m[sorted[i]] = i+1;

  rep( i, ans.size() )
    printf( "%d%c", m[ans[i]], i==ans.size()-1?'\n':' ' );

  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:48:8: error: 'sort' is not a member of 'std'
   48 |   std::sort( sorted.begin(), sorted.end() );
      |        ^~~~
Language: C++

#include <bits/stdc++.h>

using namespace std;

int n, a, b;

int ap[15];
int stk[15];

int dp[15][2];

void out()
{
    cout << "-1\n";

    exit(0);
}


void verif()
{
    int i, j;
    for(i = 1; i <= n; i ++)
        dp[i][0] = dp[i][1] = 0;

    int na = 0;
    int nb = 0;
    for(i = 1; i <= n; i ++)
    {
        dp[i][0] = 1;

        for(j = 1; j < i; j ++)
        {
            if(stk[j] < stk[i])
                dp[i][0] = max(dp[i][0], dp[j][0] + 1);
        }

        na = max(na, dp[i][0]);
    }

    for(i = 1; i <= n; i ++)
    {
        dp[i][1] = 1;
        for(j = 1; j < i; j ++)
        {
            if(stk[j] > stk[i])
                dp[i][1] = max(dp[i][1], dp[j][1] + 1);
        }

        nb = max(nb, dp[i][1]);
    }

//    cout << na << " " << nb << "\n";

    if(a != na || b != nb)
        return;

    cout << "DA\n";

    for(i = 1; i <= n; i ++)
        cout << stk[i] << " ";
    cout << "\n";

    exit(0);
}

void bkt(int k)
{
    if(k == n + 1)
    {
        verif();

        return;
    }

    int i;
    for(i = 1; i <= n; i ++)
    {
        if(ap[i] == 0)
        {
            ap[i] = 1;
            stk[k] = i;
            bkt(k + 1);
            ap[i] = 0;
        }
    }
}

void c1()
{
    int i;
    int grup = 1;
    for(i = 1; i <= n; i ++)
    {
        int mn = (n - b) / i + 1;
        int mx = n - b - i + 1;

        //cout << i << " " << mn << " " << mx << " " << a << "\n";
        if(a >= mn && a <= mx)
        {
            grup = i;

            break;
        }
    }

    if(grup > b)
    {
        out();
    }

    int cate = 0;
    for(i = 1; i * grup <= n; i ++)
    {
        if(n - b - i * grup + i + 1 == a)
        {
            cate = i;
            break;
        }
    }

    if(cate == 0)
        out();

    for(i = 1; i <= n - b - cate * grup; i ++)
        cout << i << " ";

    int j;
    int last = n - b - cate * grup;
    for(i = 1; i <= cate; i ++)
    {
        for(j = last + grup; j >= last + 1; j --)
            cout << j << " ";

        last += grup;
    }

    for(i = n; i >= n - b + 1; i --)
        cout << i << " ";*/
}

void c2()
{
    int i;
    for(i = 1; i <= a - 2; i ++)
        cout << i << " ";
    cout << a << " " << a - 1 << " ";

    for(i = a + 1; i <= n; i ++)
        cout << n - (i - (a + 1)) << " ";
    cout << "\n";
}

void c3()
{
    int i;
    for(i = 1; i < a; i ++)
        cout << i << " ";

    for(i = a; i <= n; i ++)
        cout << n - (i - a) << " ";
    cout << "\n";
}

void solve()
{
    if(a + b <= n - 1)
        c1();

    if(a + b == n)
        c2();

    if(a + b == n + 1)
        c3();
}

int main()
{
    cin >> n >> a >> b;

    if(a == 1 || b == 1)
    {
        if(a + b != n + 1)
            out();
    }

    if(a + b > n + 1)
        out();

    solve();

   // bkt(1);

    return 0;
}


Compiler output:
a.cc: In function 'void c1()':
a.cc:139:27: error: expected primary-expression before '/' token
  139 |         cout << i << " ";*/
      |                           ^
a.cc:140:1: error: expected primary-expression before '}' token
  140 | }
      | ^
Language: C++

#include <cstdio>
#include<iostream>
#define LL long long
using namespace std;
int main(){
  int N, A, B; 
  scanf("%d%d%d", &N, &A, &B);
  if(A + B - 1 > N || N > 1LL * A * B){ puts("-1"); return 0; }
  for(int l=0,g=N-A, a=1;a <= A; a++)
  {
    int t = (g>B-1)?B-1:g;
    for(int i=ll+t+1;i>l;i--) 
      printf("%d ", i);
    l = t+1; 
   g-= t;
  }
puts("");
 return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:12:15: error: 'll' was not declared in this scope; did you mean 'l'?
   12 |     for(int i=ll+t+1;i>l;i--)
      |               ^~
      |               l
Language: C++

# include <iostream>
# include <cstdio>
# include <algorithm>

using namespace std;

const int inf = 1e9 + 7;
const int N = 3e5 + 5;

int n, a, b, mn = inf, ans[N];

int main(){
      scanf("%d %d %d", &n, &a, &b);

      for(int i = 1; i <= n; i ++){
            int cur = i + (n + i - 1) / i;
            mn = min(mn, cur);
      }

      if((a + b) > n + 1 || (a + b) < mn){
            puts("-1");
            return 0;
      }

      if(a == 1){
            if(b != n){
                  puts("-1");
                  return 0;
            }
            for(int i = n; i >= 1; i --)
                  printf("%d ", i);
            return 0;
      }
      if(b == 1){
            if(a != n){
                  puts("-1");
                  return 0;
            }
            for(int i = 1; i <= n; i ++)
                  printf("%d ", i);
            return 0;
      }

      for(int i = 1; i <= n; i ++)
            ans[i] = i;

      int last = n - a + 1;

      for(int i = 1; i <= n; i += b){
            if(last == i){
                  assert(0);
                  return 0;
            }
            int l = i, r;
            r = l + b - 1;
            r = min(r, last);
            if(l >= r) break;
            reverse(ans + l, ans + r + 1);
            last ++;
      }

      for(int i = 1; i <= n; i ++)
            printf("%d ", ans[i]);
}


Compiler output:
a.cc: In function 'int main()':
a.cc:51:19: error: 'assert' was not declared in this scope
   51 |                   assert(0);
      |                   ^~~~~~
a.cc:4:1: note: 'assert' is defined in header '<cassert>'; this is probably fixable by adding '#include <cassert>'
    3 | # include <algorithm>
  +++ |+#include <cassert>
    4 |
Language: C++

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

int main()
{
  long long n,A,B,m;
  cin>>n>>A>>B;
  if(A*B<n||A+B>n+1)
  {
    cout<<"-1"<<endl;
    return 0;
  }
  int now=0;
  m=n;
  last=0;
  while(n--)
  {
     if(A==n)
     {
       cout<<m<<' ';
       m--;
       A--;
       continue;
      }
     if(now==0)  last=last+B+B-1;else last=last-1;
     now++;
     if(now==B) now=0,A=A-1;
     cout<<last<<' ';
    }
}

         


Compiler output:
a.cc: In function 'int main()':
a.cc:15:3: error: 'last' was not declared in this scope
   15 |   last=0;
      |   ^~~~
Language: C++

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

using tpl = tuple<char, int>;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

void fastStream(){cin.tie(0);std::ios_base::sync_with_stdio(0);}

ll N, A, B;

int main(){


    cin >> N >> A >> B;


    if(A + B - 1 > N){
        cout << -1 << endl;
        return 0;
    }

    deque<ll> dq;
    for(ll i = 0; i < A; i++)
        dq.push_back(i * B + B - 1);
    for(ll i = 0; i < B - 1; i++)
        dq.push_back(A * B - 2 - i);


    vector<ll> seq;
    for(ll i = 0; i < A; i++){
        for(ll j = B - 1; j >= 0; j--){
            ll left = N - (ll)seq.size();
            if(left == (ll)dq.size()){
                for(ll d : dq){
                    seq.push_back(d);
                }
                break;
            }
            else{
                const ll a = i * B + j;
                seq.push_back(a);
                if(a == dq[0]){
                    dq.pop_front();
                }
            }
            if((ll)seq.size() == N) break;
        }
        if((ll)seq.size() == N) break;
    }
    
    vector<pll> v;
    for(ll i = 0; i < (ll)seq.size(); i++){
        v.push_back(make_pair(seq[i], i));
    }

    sort(v.begin(), v.end());

    vector<ll> anss(N);

    for(ll i = 0; i < (ll)v.size(); i++){
        anss[v[i].second] = i + 1;
    }
    for(l a : anss){
        cout << a << " ";
    }
    cout << endl;
    
    

    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:66:9: error: 'l' was not declared in this scope
   66 |     for(l a : anss){
      |         ^
a.cc:73:5: error: expected primary-expression before 'return'
   73 |     return 0;
      |     ^~~~~~
a.cc:69:18: error: expected ')' before 'return'
   69 |     cout << endl;
      |                  ^
      |                  )
......
   73 |     return 0;
      |     ~~~~~~        
a.cc:66:8: note: to match this '('
   66 |     for(l a : anss){
      |        ^
Language: C++

#include<cstdio>
#include<cstdlib>
int main(void){
	int N,A,B;
	scanf("%d%d%d",&N,&A,&B);
	if(A + B - 1> N || A*B < N){
		printf("%d\n",-1);
		fflush(stdout);
		return 0;
	}
	if(A > B){
		int i = 0,j=0;    
	    for(i=N - A + 1;i<=N;i++){
	        printf("%d ",i);
	    }
	    int k;
	    if(B > 1){
			for(k=0; k < B-1;k++){
				j++;  
				for(i=N-(A-1) - j*((N-A)/(B-1));i< N-(A-1) - (j-1)*((N-A)/(B-1));i++){
					printf("%d ",i);
				}
			}
			j++;
			for(i=1;i<=(N-A)%(B-1);i++){
				printf("%d ", i);
			}
		}
	}else{
		int i = 0,j=1;    
	    for(i=B;i>0;i--){
	        printf("%d ",i);
	    }
	    int k;
	    if(A > 1){
			for(k=0; k < A-1;k++){  
				for(i=B + j*((N-B)/(A-1));i > B + (j-1)*((N-B)/(A-1));i--){
					printf("%d ",i);
				}
				j++;
			}

			for(i=N;i>N-(N-B)%(A-1);i--){
				printf("%d ", i);
			}
		}
	}
	
	printf("\n");
	fflush(stdout);
	return 0;
}

	int N,A,B;
	scanf("%d%d%d",&N,&A,&B);
	if(A + B - 1> N){
		printf("%d\n",-1);
		fflush(stdout);
		return 0;
	}
	if(A > B){
		int i = 0,j=1;
	    printf("%d ", j);     
	    for(i=N - A + 2;i<=N;i++){
	        printf("%d ",i);
	    }
	    int k;
	    if(B > 1){
			for(k=0; k < B-1;k++){ 
		    	printf("%d ", j+1); 
				for(int i=N-(A-2) - j*((N-A)/(B-1) - 1);i< N-(A-2) - (j-1)*((N-A)/(B-1)- 1);i++){
					printf("%d ",i);
				}
				j++;
			}

			for(i=0;i<(N-A)%(B-1);i++){
				j++;
				printf("%d ", j);
			}
		}
	}else{
		int i = 0,j=1;
	    printf("%d ", N - j+ 1);     
	    for(i=B-1;i>0;i--){
	        printf("%d ",i);
	    }
	    int k;
	    if(A > 1){
			for(k=0; k < A-1;k++){ 
		    	printf("%d ", N - j); 
				for(int i=(B-1) + j*((N-B)/(A-1) - 1);i > (B-1) + (j-1)*((N-B)/(A-1)-1);i--){
					printf("%d ",i);
				}
				j++;
			}

			for(i=0;i<(N-B)%(A-1);i++){
				j++;
				printf("%d ", N - j);
			}
		}
	}

Compiler output:
a.cc:55:14: error: expected constructor, destructor, or type conversion before '(' token
   55 |         scanf("%d%d%d",&N,&A,&B);
      |              ^
a.cc:56:9: error: expected unqualified-id before 'if'
   56 |         if(A + B - 1> N){
      |         ^~
a.cc:61:9: error: expected unqualified-id before 'if'
   61 |         if(A > B){
      |         ^~
a.cc:82:10: error: expected unqualified-id before 'else'
   82 |         }else{
      |          ^~~~
Language: C++

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

int main(){
	int n,a,b;
	cin >> n >> a >> b;
	if(n == 2 && a == 1 && b == 1) cout << "-1" << endl;
	else if(a + b < n) cout << "-1" << endl;
	else if(a + b == n){
		int all = b - 1,x = n - 1;
		while(all--) cout << x-- << ' ';
		cout << n << ' ';
		all = a,x = 1;
		while(a--) cout << x++ << ' ';
		cout << endl;
	}
	else if(a + b == n + 1){
		for(int i = n;i >= n - b + 2;i--) cout << i << ' ';
		for(int i = 1;i <= a;i++) cout << i << ' ';
	}
	else if(a > n || b > n) cout << "-1" << endl;
}

Compiler output:
a.cc:1:2: error: stray '#' in program
    1 | v#include<bits/stdc++.h>
      |  ^
a.cc:1:1: error: 'v' does not name a type
    1 | v#include<bits/stdc++.h>
      | ^
a.cc: In function 'int main()':
a.cc:6:9: error: 'cin' was not declared in this scope
    6 |         cin >> n >> a >> b;
      |         ^~~
a.cc:7:40: error: 'cout' was not declared in this scope
    7 |         if(n == 2 && a == 1 && b == 1) cout << "-1" << endl;
      |                                        ^~~~
a.cc:7:56: error: 'endl' was not declared in this scope
    7 |         if(n == 2 && a == 1 && b == 1) cout << "-1" << endl;
      |                                                        ^~~~
a.cc:8:28: error: 'cout' was not declared in this scope
    8 |         else if(a + b < n) cout << "-1" << endl;
      |                            ^~~~
a.cc:8:44: error: 'endl' was not declared in this scope
    8 |         else if(a + b < n) cout << "-1" << endl;
      |                                            ^~~~
a.cc:11:30: error: 'cout' was not declared in this scope
   11 |                 while(all--) cout << x-- << ' ';
      |                              ^~~~
a.cc:12:17: error: 'cout' was not declared in this scope
   12 |                 cout << n << ' ';
      |                 ^~~~
a.cc:15:25: error: 'endl' was not declared in this scope
   15 |                 cout << endl;
      |                         ^~~~
a.cc:18:51: error: 'cout' was not declared in this scope
   18 |                 for(int i = n;i >= n - b + 2;i--) cout << i << ' ';
      |                                                   ^~~~
a.cc:19:43: error: 'cout' was not declared in this scope
   19 |                 for(int i = 1;i <= a;i++) cout << i << ' ';
      |                                           ^~~~
a.cc:21:33: error: 'cout' was not declared in this scope
   21 |         else if(a > n || b > n) cout << "-1" << endl;
      |                                 ^~~~
a.cc:21:49: error: 'endl' was not declared in this scope
   21 |         else if(a > n || b > n) cout << "-1" << endl;
      |                                                 ^~~~
Language: C++

#include <bits/stdc++.h>

int read()
{
	int x = 0, f = 1;
	char ch = getchar();
	while (ch < '0' || ch > '9') {if (ch == '-') f = -1; ch = getchar();}
	while (ch >= '0' && ch <= '9') {x = x * 10 + ch - '0'; ch = getchar();}
	return x * f;
}

int n,a,b;

int ans[3000005];

int main()
{
	n = read(), a = read(), b = read();
	if (a == 1)
	{
		if (b != n)
		{
			printf("-1\n");
			return 0;
		}
		for (int i = n; i >= 1; i--)
			printf("%d ",i);
		return 0;
	}
	if (a > n || b > n || n - b < a - 1)
	{
		printf("-1\n");
		return 0;
	}
	int tot = 0, now = b;
	int x = (n - b) / (a - 1), y = (n - b) % (a - 1);
	for (int i = b; i >= 1; i--)
		ans[++tot] = i;
	for (int i = 1; i <= y; i++)
	{
		for (int j = now + x + 1, j > now, j--)
			ans[++tot] = j;
		now += x + 1;
	}
	for (int i = 1; i <= a - 1 - y; i++)
	{
		for (int j = now + x; j > now; j--)
			ans[++tot] = j;
		now += x;
	}
	for (int i = 1; i <= n; i++)
		printf("%d ",ans[i]);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:41:44: error: expected ';' before '>' token
   41 |                 for (int j = now + x + 1, j > now, j--)
      |                                            ^~
      |                                            ;
a.cc:41:45: error: expected primary-expression before '>' token
   41 |                 for (int j = now + x + 1, j > now, j--)
      |                                             ^
a.cc:41:55: error: expected ';' before ')' token
   41 |                 for (int j = now + x + 1, j > now, j--)
      |                                                       ^
      |                                                       ;
Language: C++

#include <bits/stdc++.h>

int read()
{
	int x = 0, f = 1;
	char ch = getchar();
	while (ch < '0' || ch > '9') {if (ch == '-') f = -1; ch = getchar();}
	while (ch >= '0' && ch <= '9') {x = x * 10 + ch - '0'; ch = getchar();}
	return x * f;
}

int n,a,b;

int ans[3000005]

int main()
{
	n = read(), a = read(), b = read();
	if (a == 1)
	{
		if (b != n)
		{
			printf("-1\n");
			return 0;
		}
		for (int i = n; i >= 1; i--)
			printf("%d ",i);
		return 0;
	}
	if (a > n || b > n || n - b < a - 1)
	{
		printf("-1\n");
		return 0;
	}
	int tot = 0, now = b;
	int x = (n - b) / (a - 1), y = (n - b) % (a - 1);
	for (int i = b; i >= 1; i--)
		ans[++tot] = i;
	for (int i = 1; i <= y; i++)
	{
		for (int j = now + x + 1, j > now, j--)
			ans[++tot] = j;
		now += x + 1;
	}
	for (int i = 1; i <= a - 1 - y; i++)
	{
		for (int j = now + x; j > now; j--)
			ans[++tot] = j;
		now += x;
	}
	for (int i = 1; i <= n; i++)
		printf("%d ",ans[i]);
}

Compiler output:
a.cc:16:1: error: expected initializer before 'int'
   16 | int main()
      | ^~~
Language: C++

#include<bits/stdc++.h>
#define maxn 300005
using namespace std;

int n,a,b;

int main()
{
    while(~scanf("%d%d%d",&n,&A,&B))
    {
        if(A*B<n||A+B>n+1) printf("-1\n");
        else
        {
            cout<<n-A+1;
            for(int i=n-A+2;i<=n;i++) cout<<" "<<i;
            if(B!=1)
            {
                int t=(n-A)/(B-1);
                int r=(n-A)%(B-1);
                int cur=n-A;
                for(int i=1;i<B;i++)
                {
                    if(r)
                    {
                        for(int i=t;i>=0;i--) cout<<" "<<cur-i;
                        cur-=t+1;
                        r--;
                    }
                    else
                    {
                        for(int i=t-1;i>=0;i--) cout<<" "<<cur-i;
                        cur-=t;
                    }
                }
            }
            cout<<endl;
        }
    }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:9:31: error: 'A' was not declared in this scope
    9 |     while(~scanf("%d%d%d",&n,&A,&B))
      |                               ^
a.cc:9:34: error: 'B' was not declared in this scope
    9 |     while(~scanf("%d%d%d",&n,&A,&B))
      |                                  ^
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<int(n);++i)
#define all(a) a.begin(),a.end()
#define INF 1e9

int n;

int LIS(vector<int> v){
    vector<int> dp(n, INF);
    rep(i,n){
        *lower_bound(all(dp),v[i]) = v[i];
    }
    return lower_bound(all(dp),INF) - dp.begin();
}

vector<int> make(int a, int b){
    vector<int> v;
    b--;
    int mx = n, mn = 1, rem = n;
    while(rem){
        vector<int> seq;
        if(modeA){
            rep(i,a){
                seq.push_back(mx);
                mx--;
                rem--;
                if(rem==0)break;
            }
            a--;
            modeA = false;
        }else{
            rep(i,b){
                seq.push_back(mn);
                mn++;
                rem--;
                if(rem==0)break;
            }
            b--;
            modeA = true;
        }
        reverse(all(seq));
        v.insert(v.end(),all(seq));
    }
    return v;
}

int main(void){
    int a,b;
    cin>>n>>a>>b;
    vector<int> v = make(a,b);
    vector<int> rev = v;
    reverse(all(rev));
    if(LIS(v) == a && LIS(rev) == b){
        rep(i,n){
            printf("%d%c",v[i],(i<n-1 ? ' ' : '\n'));
        }
    }else{
        cout<<-1<<endl;
    }
    return 0;
}


Compiler output:
a.cc: In function 'std::vector<int> make(int, int)':
a.cc:23:12: error: 'modeA' was not declared in this scope
   23 |         if(modeA){
      |            ^~~~~
Language: C++

#include<bits/stdc++.h>
using namespace std;
typedef long long LL;
int main()
{
        int N,A,B;
        cin>>N>>A>>B;
        if(A+B<N) cout<<-1<<endl;
        else if(A+B>=N+2) cout<<-1<<endl;
        else if(A==1&&B!=N) cout<<-1<<endl;
        else if(B==1&&A!=N) cout<<-1<<endl;
        else if(A>n||B>N) cout<<-1<<endl;
        else{
                for(int i=N-A+1;i<=N;i++)
                        if(i==N-A+1) cout<<i;
                        else cout<<" "<<i;
                for(int j=B-1;j>=1;j--) cout<<" "<<j;
                for(int k=B;k<=N-A;k++) cout<<" "<<k;
                cout<<endl;
        }
        return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:12:19: error: 'n' was not declared in this scope
   12 |         else if(A>n||B>N) cout<<-1<<endl;
      |                   ^
Language: C++

#include "bits/stdc++.h"

#define REP(i,n) for(ll i=0;i<ll(n);++i)
#define RREP(i,n) for(ll i=ll(n)-1;i>=0;--i)
#define FOR(i,m,n) for(ll i=m;i<ll(n);++i)
#define RFOR(i,m,n) for(ll i=ll(n)-1;i>=ll(m);--i)
#define ALL(v) (v).begin(),(v).end()
#define UNIQUE(v) v.erase(unique(ALL(v)),v.end());
#define DUMP(v) REP(aa, (v).size()) { cout << v[aa]; if (aa != v.size() - 1)cout << " "; else cout << endl; }
#define INF 1000000001ll
#define MOD 1000000007ll
#define EPS 1e-9

const int dx[8] = { 1,1,0,-1,-1,-1,0,1 };
const int dy[8] = { 0,1,1,1,0,-1,-1,-1 };


using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
ll max(ll a, int b) { return max(a, ll(b)); }
ll max(int a, ll b) { return max(ll(a), b); }
ll min(ll a, int b) { return min(a, ll(b)); }
ll min(int a, ll b) { return min(ll(a), b); }


int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	int n, a, b;
	cin >> n >> a >> b;
	if (n + 1 < a + b || a * b < n) {
		cout << -1 << endl;
		return 0;
	}
	vi ans(n);

	REP(i, n)ans[i] = i + 1;
	if (a == 1)goto o;
	ll sum = a * b;
	vi tmp(a+1, b-(sum-n)/(a-1));
	REP(i, sum%n)tmp[a-i]--;
	tmp[0] = 0;
	tmp[1] = b;
	REP(i, a )tmp[i + 1] += tmp[i];
	
	REP(i, a) {
		reverse(ans.begin() + tmp[i], ans.begin() + tmp[i + 1]);
	}
o:;
	REP(i, n) {
		if (i)cout << " ";
		cout << ans[i];
	}
	cout << endl;
	
}


Compiler output:
a.cc: In function 'int main()':
a.cc:55:1: error: jump to label 'o'
   55 | o:;
      | ^
a.cc:44:25: note:   from here
   44 |         if (a == 1)goto o;
      |                         ^
a.cc:46:12: note:   crosses initialization of 'vi tmp'
   46 |         vi tmp(a+1, b-(sum-n)/(a-1));
      |            ^~~
a.cc:45:12: note:   crosses initialization of 'll sum'
   45 |         ll sum = a * b;
      |            ^~~
Language: C

#include<stdio.h>
#define maxn 300009
int ans[maxn];
int n, w;
int dfs(int s, int e, int a, int b){
	if(e-s+1>=2&&a+b<=2){
		return 0;
	}
	if(s==e){
		ans[s]=w;
		return 1;
	}
	for(int i=e-b+1; i<=e; ++i){
		ans[i]=w;
		--w;
	}
	for(int i=s+a-2; i>=s; --i){
		ans[i]=w;
		--w;
	}
	if(s+a-1>e-b){
		return 1;
	}
	return dfs(s+a-1, e-b, a-1, b-1);
}
int main(){
	int a, b;
	bool flag=true;
	scanf("%d%d%d", &n, &a, &b);
	if(a+b>n+1){
		puts("-1");
		return 0;
	}
	w=n;
	
	flag=dfs(1, n, a, b);
	if(!flag){
		puts("-1");
	}else{
		for(int i=1; i<=n; ++i){
			printf("%d ", ans[i]);
		}
	}
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:28:9: error: unknown type name 'bool'
   28 |         bool flag=true;
      |         ^~~~
main.c:2:1: note: 'bool' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
    1 | #include<stdio.h>
  +++ |+#include <stdbool.h>
    2 | #define maxn 300009
main.c:28:19: error: 'true' undeclared (first use in this function)
   28 |         bool flag=true;
      |                   ^~~~
main.c:28:19: note: 'true' is defined in header '<stdbool.h>'; this is probably fixable by adding '#include <stdbool.h>'
main.c:28:19: note: each undeclared identifier is reported only once for each function it appears in
Language: C

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

int main(){
    int N, A, B;
    cin >> N >> A >> B;

    if(A + B - 1 > N || A * B < N){
        cout << -1 << endl;
        return 0;
    }

    if(A == 1){
        if(B == N){
            for(int i = N; i > 0; --i){
                cout << i;
                if(i != 1) cout << " ";
            }
            cout << endl;
        }
        else {
            cout << -1 << endl;
        }
        return 0;
    }
  
    int prev = 0;

    vector<int> ans;
    for(int i = 0; i < A; ++i){
        ans.push_back(i+1);
        if(i == 0){
            for(int j = A + B - 1; j > A; --j){
                ans.push_back(j);
            }
            prev = A + B - 1;
        }
        else if(i != A - 1 && prev < N){
            for(int j = min(N, prev + B - 1); j > prev; --j){
                ans.push_back(j);
            }
            prev += B - 1;
        }
    }
    for(int i = 0; i < N; ++i){
        cout << ans[i];
        if(i != N - 1) cout << " ";
    }
    cout << endl;
}

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

import java.util.*;
 
public class Main{
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int A = sc.nextInt();
		int B = sc.nextInt();
		int sq = (int)Math.sqrt((double)N);
		if((A+B>N+1) || (A<sq && B<sq)) System.out.println(-1);
		//(単調増加列)+(単調減少列)で表現できる
		else if(A+B==N+1){
			for(int i=B;i<=N;++i) System.out.print(i+" ");
			for(int i=B-1;i>=1;--i) System.out.print(i+" ");
			System.out.println();
		}else{
			//長さBの単調減少列のブロックを作れるだけ作る。その時最長増加部分列は
			//tempAで表されるので、Aとの差分を左端に単調増加列として追加する
			int tempA = (N/B)+(N%B!=0? 1:0);
			int hidari = 0;
			while(tempA+hidari!=A){
				hidari++;
				if(hidari>N){ //条件を満たす数列を作るのは無理くぼ
					System.out.println(-1);
					return;
				}
				if((N-hidari)%B==0) tempA--;
			}
			
			int nowN = N-hidari;
			for(int i=1;i<=hidari;++i){ System.out.print(i+" "); //左端の単調増加列
			for(int i=1;i<=nowN/B;i++){
				for(int j=i*B;j>(i-1)*B;j--){
					System.out.print((j+hidari)+" "); //単調減少列のブロック
				}
			}
			for(int j=nowN;j>B*(nowN/B);--j) System.out.print((j+hidari)+" "); //あまった奴
			System.out.println();
		}
		return;
	}
}

Compiler output:
Main.java:42: error: reached end of file while parsing
}
 ^
1 error
Language: C++

#i#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
 
const int Maxn = 1000005;
 
int t;
int n, a, b;
int seq[Maxn], slen;
 
int main()
{
    scanf("%d %d %d", &n, &a, &b);
    if (a + b - 1 > n || ll(a) * b < n) printf("-1\n");
    else {
      slen = 0;
      int cur = 1;
      int lft = n - a;
      for (int i = 1; i <= a; i++) {
        int tk = min(lft, b - 1); lft -= tk;
        tk++;
        cur += tk;
        for (int j = cur - 1; j >= cur - tk; j--)
          seq[slen++] = j;
      }
      for (int i = 0; i < slen; i++)
        printf("%d%c", seq[i], i + 1 < slen? ' ': '\n');
    }
}

Compiler output:
a.cc:1:2: error: invalid preprocessing directive #i; did you mean #if?
    1 | #i#include<bits/stdc++.h>
      |  ^
      |  if
a.cc: In function 'int main()':
a.cc:13:5: error: 'scanf' was not declared in this scope
   13 |     scanf("%d %d %d", &n, &a, &b);
      |     ^~~~~
a.cc:14:41: error: 'printf' was not declared in this scope
   14 |     if (a + b - 1 > n || ll(a) * b < n) printf("-1\n");
      |                                         ^~~~~~
a.cc:1:1: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'
  +++ |+#include <cstdio>
    1 | #i#include<bits/stdc++.h>
a.cc:20:18: error: 'min' was not declared in this scope; did you mean 'main'?
   20 |         int tk = min(lft, b - 1); lft -= tk;
      |                  ^~~
      |                  main
a.cc:27:9: error: 'printf' was not declared in this scope
   27 |         printf("%d%c", seq[i], i + 1 < slen? ' ': '\n');
      |         ^~~~~~
a.cc:27:9: note: 'printf' is defined in header '<cstdio>'; this is probably fixable by adding '#include <cstdio>'