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

#include<iostream>
#include<algorithm>
#include<vector>
#include<queue>
#include<stack>
#include<string>
#include<map>
#include<set>
#include<tuple>
#include<cmath>
#include<iomanip>


#define MOD 1000000007
#define INF 1001001001
#define MIN -1001001001
#define rep(i,k,N) for(int i=k;i<N;i++)
#define MP make_pair
#define MT make_tuple //tie,make_tuple は別物
#define PB push_back
#define PF push_front
#define all(x) (x).begin(),(x).end()


using namespace std;
typedef long long ll;
typedef vector<ll> v;
typedef vector<vector<ll>> vv;

int dx[4]={1,0,-1,0};
int dy[4]={0,1,0,-1};
ll N;
v ans(N);
v a(N);
vv edges(N);

void dfs(ll pre,ll now, v dp){
    ll tmp = upper_bound(all(dp), now)-dp.begin();
    if(tmp < dp.size())dp[tmp] = now;
    else dp.PB(now);
    ans[now] = dp.size();
}
int main(){
    cin>>N;
    rep(i,0,N)cin>>a[i];
    rep(i,0,N-1){
        ll c,d;
        cin>>c>>d;
        c--;d--;
        edges[c].PB(d);
        edges[d].PB(c);
    }
    v d;
    dp(-1,0,v)
    rep(i,0,N)cout<<ans[i]<<endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:54:14: error: expected primary-expression before ')' token
   54 |     dp(-1,0,v)
      |              ^
a.cc:54:5: error: 'dp' was not declared in this scope; did you mean 'd'?
   54 |     dp(-1,0,v)
      |     ^~
      |     d
a.cc:55:9: error: 'i' was not declared in this scope
   55 |     rep(i,0,N)cout<<ans[i]<<endl;
      |         ^
a.cc:17:32: note: in definition of macro 'rep'
   17 | #define rep(i,k,N) for(int i=k;i<N;i++)
      |                                ^
Language: C++

#include<bits/stdc++.h>
#include<queue>
using namespace std;
vector<int>si;
vector<queue<int>>tree;
vector<int>ans;
vector<int>val;
vector<int>L;
vector<bool>visit;
int siz;
void search (int x) {
  int mi = 0;
  int ma = siz;
  while (mi != ma) {
    int mu = (mi + ma) / 2;
    if (L[mu] >= val[x]) ma = mu;
    else mi = mu + 1;
  }
  if (ma == siz) siz ++;
  ans[x] = siz;
  L[ma] = x;
  for (int i = 0; i < si[x]; i ++) {
    int u = tree[x].front();
    tree[x].pop();
    tree[x].push(u);
    if (visit[u]) continue;
    search(u);
  }
}
int main () {
  int N;
  cin >> N;
  si.assign(N, 0);
  tree.resize(N);
  ans.resize(N);
  val.resize(N);
  visit.assign(N, false);
  L.assign(N, 1e9 + 7);
  siz = 0;
  for (int i = 0; i < N; i ++) cin >> val[i];
  for (int i = 0; i < N - 1; i ++) {
    int a, b;
    cin >> a >> b;
    a --;
    b --;
    tree[a].push(b);
    tree[b].push(a);
    si[a] ++;
    si[b] ++;
  }
  search(0);
  for (int i = 0; i < N; i ++) cout << ans[i] << endl;
}


Compiler output:
a.cc: In function 'void search(int)':
a.cc:26:9: error: reference to 'visit' is ambiguous
   26 |     if (visit[u]) continue;
      |         ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:1:
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:9:13: note:                 'std::vector<bool> visit'
    9 | vector<bool>visit;
      |             ^~~~~
a.cc: In function 'int main()':
a.cc:37:3: error: reference to 'visit' is ambiguous
   37 |   visit.assign(N, false);
      |   ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:9:13: note:                 'std::vector<bool> visit'
    9 | vector<bool>visit;
      |             ^~~~~
Language: C++

#include "bits/stdc++.h"
using namespace std;
#define int long long
#define REP(i, n) for (int i = 0; i < (int)n; ++i)
#define RREP(i, n) for (int i = (int)n - 1; i >= 0; --i)
#define FOR(i, s, n) for (int i = s; i < (int)n; ++i)
#define RFOR(i, s, n) for (int i = (int)n - 1; i >= s; --i)
#define ALL(a) a.begin(), a.end()
#define IN(a, x, b) (a <= x && x < b)
template<class T>inline void out(T t){cout << t << "\n";}
template<class T,class... Ts>inline void out(T t,Ts... ts){cout << t << " ";out(ts...);}
template<class T>inline bool CHMIN(T&a,T b){if(a > b){a = b;return true;}return false;}
template<class T>inline bool CHMAX(T&a,T b){if(a < b){a = b;return true;}return false;}
constexpr int INF = 1e18;

signed main(){
	int N;
	cin >> N;
	vector<int>a(N);
	REP(i,N){
		cin >> a[i];
	}
	vector<vector<int>>g(N);
	REP(i,N - 1){
		int a,b;
		cin >> a >> b;
		--a;--b;
		g[a].emplace_back(b);
		g[b].emplace_back(a);
	}
	vector<int>ans(N);
	auto dfs = [&](auto&&f,int now,int par,vector<int>&dp) -> void{
		auto itr = lower_bound(ALL(dp),a[now]);
		int prev = dp[itr - dp.begin()];
		dp[itr - dp.begin()] = a[now];
		ans[now] = lower_bound(ALL(dp),INF) - dp.begin();
		for(auto e:g[now]){
			if(e == par)continue;
			f(f,e,now,dp);
		}
		dp[itr - dp.begin()] = prev;
	};
	dfs(dfs,0,-1,vector<int>(N,INF));
	REP(i,ans.size())out(ans[i]);
}

Compiler output:
a.cc: In function 'int main()':
a.cc:43:12: error: no match for call to '(main()::<lambda(auto:28&&, long long int, long long int, std::vector<long long int>&)>) (main()::<lambda(auto:28&&, long long int, long long int, std::vector<long long int>&)>&, int, int, std::vector<long long int>)'
   43 |         dfs(dfs,0,-1,vector<int>(N,INF));
      |         ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:32:20: note: candidate: 'template<class auto:28> main()::<lambda(auto:28&&, long long int, long long int, std::vector<long long int>&)>'
   32 |         auto dfs = [&](auto&&f,int now,int par,vector<int>&dp) -> void{
      |                    ^
a.cc:32:20: note:   template argument deduction/substitution failed:
a.cc:43:22: note:   cannot convert 'std::vector<long long int>(((std::vector<long long int>::size_type)N), INF, std::allocator<long long int>())' (type 'std::vector<long long int>') to type 'std::vector<long long int>&'
   43 |         dfs(dfs,0,-1,vector<int>(N,INF));
      |                      ^~~~~~~~~~~~~~~~~~
Language: C++

#include<bits/stdc++.h>
#include<queue>
using namespace std;
vector<int>si;
vector<queue<int>>tree;
vector<int>ans;
vector<int>val;
vector<int>L;
vector<bool>visit;
int siz;
void search (int x) {
  int mi = 0;
  int ma = siz;
  while (mi != ma) {
    int mu = (mi + ma) / 2;
    if (L[mu] >= val[x]) ma = mu;
    else mi = mu + 1;
  }
  if (ma == siz) siz ++;
  ans[x] = siz;
  L[ma] = x;
  for (int i = 0; i < si[x]; i ++) {
    int u = tree[x].front;
    tree[x].pop();
    tree[x].push(u);
    if (visit[u]) continue;
    search(u);
  }
}
int main () {
  int N;
  cin >> N;
  si.assign(N, 0);
  tree.resize(N);
  ans.resize(N);
  val.resize(N);
  visit.assign(N, false);
  L.assign(N, 1e9 + 7);
  siz = 0;
  for (int i = 0; i < N; i ++) cin >> val[i];
  for (int i = 0; i < N - 1; i ++) {
    int a, b;
    cin >> a >> b;
    a --;
    b --;
    tree[a].push(b);
    tree[b].push(a);
    si[a] ++;
    si[b] ++;
  }
  search(0);
  for (int i = 0; i < N; i ++) cout << ans[i] << endl;
}


Compiler output:
a.cc: In function 'void search(int)':
a.cc:23:21: error: cannot resolve overloaded function 'front' based on conversion to type 'int'
   23 |     int u = tree[x].front;
      |                     ^~~~~
a.cc:26:9: error: reference to 'visit' is ambiguous
   26 |     if (visit[u]) continue;
      |         ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:1:
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:9:13: note:                 'std::vector<bool> visit'
    9 | vector<bool>visit;
      |             ^~~~~
a.cc: In function 'int main()':
a.cc:37:3: error: reference to 'visit' is ambiguous
   37 |   visit.assign(N, false);
      |   ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:9:13: note:                 'std::vector<bool> visit'
    9 | vector<bool>visit;
      |             ^~~~~
Language: C++

#include<bit/stdc++.h>
#include<queue>
using namespace std;
vector<int>si;
vector<queue<int>>tree;
vector<int>ans;
vector<int>val;
vector<int>L;
vector<bool>visit;
int siz;
void search (int x) {
  int mi = 0;
  int ma = siz;
  while (mi != ma) {
    int mu = (mi + ma) / 2;
    if (L[mu] >= val[x]) ma = mu;
    else mi = mu + 1;
  }
  if (ma == siz) siz ++;
  ans[x] = siz;
  L[ma] = x;
  for (int i = 0; i < si[x]; i ++) {
    int u = tree[x].front;
    tree[x].pop();
    tree[x].push(u);
    if (visit[u]) continue;
    search(u);
  }
}
int main () {
  int N;
  cin >> N;
  si.assign(N, 0);
  tree.resize(N);
  ans.resize(N);
  val.resize(N);
  visit.assign(N, false);
  L.assign(N, 1e9 + 7);
  siz = 0;
  for (int i = 0; i < N; i ++) cin >> val[i];
  for (int i = 0; i < N - 1; i ++) {
    int a, b;
    cin >> a >> b;
    a --;
    b --;
    tree[a].push(b);
    tree[b].push(a);
    si[a] ++;
    si[b] ++;
  }
  search(0);
  for (int i = 0; i < N; i ++) cout << ans[i] << endl;
}

Compiler output:
a.cc:1:9: fatal error: bit/stdc++.h: No such file or directory
    1 | #include<bit/stdc++.h>
      |         ^~~~~~~~~~~~~~
compilation terminated.
Language: C++

#include <bits/stdc++.h>
#define ls x<<1
#define rs x<<1|1
#define fi first
#define se second
#define ll long long
#define pb push_back
#define mp make_pair
#define fun function
#define sz(x) (x).size()
#define lowbit(x) (x)&(-x)
#define all(x) (x).begin(),(x).end()
#define mem(a,b) memset(a,b,sizeof(a))
#difine int long long
namespace FastIO {
#define BUF_SIZE 100000
#define OUT_SIZE 100000
	bool IOerror=0;
	inline char nc() {
		static char buf[BUF_SIZE],*p1=buf+BUF_SIZE,*pend=buf+BUF_SIZE;
		if(p1==pend) {
			p1=buf;
			pend=buf+fread(buf,1,BUF_SIZE,stdin);
			if(pend==p1) {
				IOerror=1;
				return -1;
			}
		}
		return *p1++;
	}
	inline bool blank(char ch) {
		return ch==' '||ch=='\n'||ch=='\r'||ch=='\t';
	}
	template<class T> inline bool read(T &x) {
		bool sign=0;
		char ch=nc();
		x=0;
		for(; blank(ch); ch=nc());
		if(IOerror)return false;
		if(ch=='-')sign=1,ch=nc();
		for(; ch>='0'&&ch<='9'; ch=nc())x=x*10+ch-'0';
		if(sign)x=-x;
		return true;
	}
	template<class T,class... U>bool read(T& h,U&... t) {
		return read(h)&&read(t...);
	}
#undef OUT_SIZE
#undef BUF_SIZE
};
using namespace std;
using namespace FastIO;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int INF = 0x3f3f3f3f;
const int N = 1e6+10;

struct node {
	int l,r,mid,ma;
} tree[N];

int a[N],ans[N];
vector<int>e[N];

void pp(int x) {
	tree[x].ma=max(tree[ls].ma,tree[rs].ma);
}

void build(int x,int l,int r) {
	tree[x]= {l,r,l+r>>1,0};
	if(l==r) {
		return ;
	}
	int mid=l+r>>1;
	build(ls,l,mid);
	build(rs,mid+1,r);
}

void modify(int x,int pos,int k) {
	if(tree[x].l==pos && tree[x].r==pos) {
		tree[x].ma=k;
		return ;
	}
	int mid=tree[x].mid;
	if(pos<=mid) modify(ls,pos,k);
	if(pos>mid) modify(rs,pos,k);
	pp(x);
}

int query(int x,int l,int r) {
	if(l<=tree[x].l&&tree[x].r<=r) {
		return tree[x].ma;
	}
	int mid=tree[x].mid;
	int res=0;
	if(l<=mid) res=max(res,query(ls,l,r));
	if(r>mid) res=max(res,query(rs,l,r));
	return res;
}

void dfs(int u,int fa) {
	int now=a[u];
	int sum=query(1,1,now-1)+1;
	int pre=query(1,now,now);
	ans[u]=max(ans[u],sum);
	modify(1,now,sum);
	for(auto v:e[u]) {
		if(v==fa) continue;
		dfs(v,u);
	}
	modify(1,now,pre);
}


signed main() {

#ifdef xiaofan
	freopen("1.in","r",stdin);
	freopen("1.out","w",stdout);
#endif

	int n;
	read(n);
	vector<int>b;
	for(int i=1; i<=n; i++) {
		read(a[i]);
		b.pb(a[i]);
	}
	sort(all(b));
	b.erase(unique(all(b)),b.end());
	for(int i=1; i<=n; i++) a[i]=lower_bound(all(b),a[i])-b.begin()+2;
	for(int i=1; i<n; i++) {
		int u,v;
		read(u,v);
		e[u].pb(v);
		e[v].pb(u);
	}
	build(1,1,n+5);
	dfs(1,1);
	for(int i=1; i<=n; i++) printf("%d\n",ans[i]);





	return 0;
}



Compiler output:
a.cc:14:2: error: invalid preprocessing directive #difine; did you mean #define?
   14 | #difine int long long
      |  ^~~~~~
      |  define
Language: C++

#include <bits/stdc++.h>
#define ls x<<1
#define rs x<<1|1
#define fi first
#define se second
#define ll long long
#define pb push_back
#define mp make_pair
#define fun function
#define sz(x) (x).size()
#define lowbit(x) (x)&(-x)
#define all(x) (x).begin(),(x).end()
#define mem(a,b) memset(a,b,sizeof(a))
#difine int long long
namespace FastIO {
#define BUF_SIZE 100000
#define OUT_SIZE 100000
	bool IOerror=0;
	inline char nc() {
		static char buf[BUF_SIZE],*p1=buf+BUF_SIZE,*pend=buf+BUF_SIZE;
		if(p1==pend) {
			p1=buf;
			pend=buf+fread(buf,1,BUF_SIZE,stdin);
			if(pend==p1) {
				IOerror=1;
				return -1;
			}
		}
		return *p1++;
	}
	inline bool blank(char ch) {
		return ch==' '||ch=='\n'||ch=='\r'||ch=='\t';
	}
	template<class T> inline bool read(T &x) {
		bool sign=0;
		char ch=nc();
		x=0;
		for(; blank(ch); ch=nc());
		if(IOerror)return false;
		if(ch=='-')sign=1,ch=nc();
		for(; ch>='0'&&ch<='9'; ch=nc())x=x*10+ch-'0';
		if(sign)x=-x;
		return true;
	}
	template<class T,class... U>bool read(T& h,U&... t) {
		return read(h)&&read(t...);
	}
#undef OUT_SIZE
#undef BUF_SIZE
};
using namespace std;
using namespace FastIO;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int INF = 0x3f3f3f3f;
const int N = 1e6+10;

struct node {
	int l,r,mid,ma;
} tree[N];

int a[N],ans[N];
vector<int>e[N];

void pp(int x) {
	tree[x].ma=max(tree[ls].ma,tree[rs].ma);
}

void build(int x,int l,int r) {
	tree[x]= {l,r,l+r>>1,0};
	if(l==r) {
		return ;
	}
	int mid=l+r>>1;
	build(ls,l,mid);
	build(rs,mid+1,r);
}

void modify(int x,int pos,int k) {
	if(tree[x].l==pos && tree[x].r==pos) {
		tree[x].ma=k;
		return ;
	}
	int mid=tree[x].mid;
	if(pos<=mid) modify(ls,pos,k);
	if(pos>mid) modify(rs,pos,k);
	pp(x);
}

int query(int x,int l,int r) {
	if(l<=tree[x].l&&tree[x].r<=r) {
		return tree[x].ma;
	}
	int mid=tree[x].mid;
	int res=0;
	if(l<=mid) res=max(res,query(ls,l,r));
	if(r>mid) res=max(res,query(rs,l,r));
	return res;
}

void dfs(int u,int fa) {
	int now=a[u];
	int sum=query(1,1,now-1)+1;
	int pre=query(1,now,now);
	ans[u]=max(ans[u],sum);
	modify(1,now,sum);
	for(auto v:e[u]) {
		if(v==fa) continue;
		dfs(v,u);
	}
	modify(1,now,pre);
}


int main() {

#ifdef xiaofan
	freopen("1.in","r",stdin);
	freopen("1.out","w",stdout);
#endif

	int n;
	read(n);
	vector<int>b;
	for(int i=1; i<=n; i++) {
		read(a[i]);
		b.pb(a[i]);
	}
	sort(all(b));
	b.erase(unique(all(b)),b.end());
	for(int i=1; i<=n; i++) a[i]=lower_bound(all(b),a[i])-b.begin()+2;
	for(int i=1; i<n; i++) {
		int u,v;
		read(u,v);
		e[u].pb(v);
		e[v].pb(u);
	}
	build(1,1,n+5);
	dfs(1,1);
	for(int i=1; i<=n; i++) printf("%d\n",ans[i]);





	return 0;
}



Compiler output:
a.cc:14:2: error: invalid preprocessing directive #difine; did you mean #define?
   14 | #difine int long long
      |  ^~~~~~
      |  define
Language: C++

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

struct LIS {
  vector<pair<int, int>> history;
  vector<int> ans;

  LIS() {
    ans.emplace_back(0);
  }

  int Insert(int x) {
    int op = 0;
    int lb = upper_bound(begin(ans), end(ans), x) - begin(ans);
    if (ans[lb - 1] < x && (lb == ans.size() || x < ans[lb])) {
      if (lb == ans.size()) {
        op++;
        history.emplace_back(-1, -1);
        ans.emplace_back(lb);
      } else {
        op++;
        history.emplace_back(lb, ans[lb]);
        ans[lb] = x; 
      }
    }
    return op;
  }

  void Rollback(int cnt) {
    for (int i = 0; i < cnt; i++) {
      if (history.back().first == -1) {
        ans.pop_back();
      } else {
        ans[history.back().first] = history.back().second;
      }
      history.pop_back();
    }
  }
};

LIS Solver = LIS();

vector<pair<int, int>> Query[400005];
int Answer[200005];

void AddQuery(int n, int tl, int tr, int l, int r, int x, int y) {
  if (tr < l || r < tl || tl > tr || l > r) return;
  if (l <= tl && tr <= r) return Query[n].emplace_back(x, y);
  int mid = (tl + tr) / 2;
  int lc = n + 1;
  int rc = n + 2 * (mid - tl + 1);
  AddQuery(lc, tl, mid, l, r, x, y);
  AddQuery(rc, mid + 1, tr, l, r, x, y);
}

void Solve(int n, int tl, int tr) {
  int ops = 0;
  for (auto Q : Query[n]) {
    if (Q.first == -1) { // add to LIS
      ops += Solver.Insert(Q.second);
    }
  }
  
  for (auto Q : Query[n]) {
    if (Q.first != -1) {
      Answer[Q.first] = int(Solver.ans.size()) - 1;
    }
  }

  if (tl != tr) {
    int mid = (tl + tr) / 2;
    int lc = n + 1;
    int rc = n + 2 * (mid - tl + 1);
    Solve(lc, tl, mid);
    Solve(rc, mid + 1, tr);
  }

  Solver.Rollback(ops);
}

int N;
int A[200005];
vector<int> adj[200005];

pair<int, int> tour[200005];

void dfs(int n, int p) {
  static int tin = 0;
  tour[n].first = tin++;
  for (auto i : adj[n]) if (i != p) dfs(i, n);
  tour[n].second = tin++;
}

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

  cin >> N;
  for (int i = 0; i < N; i++) {
    cin >> A[i];
  }
  for (int i = 1; i < N; i++) {
    int u, v;
    cin >> u >> v;
    u--, v--;
    adj[u].emplace_back(v);
    adj[v].emplace_back(u);
  }

  dfs(0, -1);

  for (int i = 0; i < N; i++) {
    AddQuery(1, 0, 2 * N - 1, tour[i].first, tour[i].second, -1, A[i]);
    AddQuery(1, 0, 2 * N - 1, tour[i].first, tour[i].first, i, i);
  }

  Solve(1, 0, 2 * N - 1);
  for (int i = 0; i < N; i++) {
    cout << Answer[i] << "\n";
  }
  return 0;
}


Compiler output:
a.cc: In function 'void AddQuery(int, int, int, int, int, int, int)':
a.cc:48:55: error: return-statement with a value, in function returning 'void' [-fpermissive]
   48 |   if (l <= tl && tr <= r) return Query[n].emplace_back(x, y);
      |                                  ~~~~~~~~~~~~~~~~~~~~~^~~~~~
Language: C++

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

struct LIS {
  vector<pair<int, int>> history;
  vector<int> ans;

  LIS() {
    ans.emplace_back(0);
  }

  int Insert(int x) {
    int op = 0;
    int lb = upper_bound(begin(ans), end(ans), x) - begin(ans);
    if (ans[lb - 1] < x && (lb == ans.size() || x < ans[lb])) {
      if (lb == ans.size()) {
        op++;
        history.emplace_back(-1, -1);
        ans.emplace_back(lb);
      } else {
        op++;
        history.emplace_back(lb, ans[lb]);
        ans[lb] = x; 
      }
    }
    return op;
  }

  void Rollback(int cnt) {
    for (int i = 0; i < cnt; i++) {
      if (history.back().first == -1) {
        ans.pop_back();
      } else {
        ans[history.back().first] = history.back().second;
      }
      history.pop_back();
    }
  }
};

LIS Solver = LIS();

vector<pair<int, int>> Query[400005];
int Answer[200005];

void AddQuery(int n, int tl, int tr, int l, int r, int x, int y) {
  if (tr < l || r < tl || tl > tr || l > r) return;
  if (l <= tl && tr <= r) return Query[n].emplace_back(x, y);
  int mid = (tl + tr) / 2;
  int lc = n + 1;
  int rc = n + 2 * (mid - tl + 1);
  AddQuery(lc, tl, mid, l, r, x, y);
  AddQuery(rc, mid + 1, tr, l, r, x, y);
}

void Solve(int n, int tl, int tr) {
  int ops = 0;
  for (auto Q : Query[n]) {
    if (Q.first == -1) { // add to LIS
      ops += Solver.Insert(Q.second);
    }
  }
  
  for (auto Q : Query[n]) {
    if (Q.first != -1) {
      Answer[Q.first] = int(Solver.ans.size()) - 1;
    }
  }

  if (tl != tr) {
    int mid = (tl + tr) / 2;
    int lc = n + 1;
    int rc = n + 2 * (mid - tl + 1);
    Solve(lc, tl, mid);
    Solve(rc, mid + 1, tr);
  }

  Solver.Rollback(ops);
}

int N;
int A[200005];
vector<int> adj[200005];

pair<int, int> tour[200005];

void dfs(int n, int p) {
  static int tin = 0;
  tour[n].first = tin++;
  for (auto i : adj[n]) if (i != p) dfs(i, n);
  tour[n].second = tin++;
}

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

  cin >> N;
  for (int i = 0; i < N; i++) {
    cin >> A[i];
  }
  for (int i = 1; i < N; i++) {
    int u, v;
    cin >> u >> v;
    u--, v--;
    adj[u].emplace_back(v);
    adj[v].emplace_back(u);
  }

  dfs(0, -1);

  for (int i = 0; i < N; i++) {
    AddQuery(1, 0, 2 * N - 1, tour[i].first, tour[i].second, -1, A[i]);
    AddQuery(1, 0, 2 * N - 1, tour[i].first, tour[i].first, i, i);
  }

  Solve(1, 0, 2 * N - 1);
  for (int i = 0; i < N; i++) {
    cout << Answer[i] << "\n";
  }
  return 0;
}

Compiler output:
a.cc: In function 'void AddQuery(int, int, int, int, int, int, int)':
a.cc:48:55: error: return-statement with a value, in function returning 'void' [-fpermissive]
   48 |   if (l <= tl && tr <= r) return Query[n].emplace_back(x, y);
      |                                  ~~~~~~~~~~~~~~~~~~~~~^~~~~~
Language: C++

#include <bits/stdc++.h>
#define ll long long int
#define endl "\n"
using namespace std;
#define M 1000000007
#define pb push_back
#define rep(i, a, b) for(int i = a; i <= b; i++)
ll mod = 998244353;

vector<ll> arr[200005];
ll dp[200005]; ll visit[200005];
ll a[200005];

void dfs(ll node)
{
	visit[node] = 1;
	for(ll x : arr[node])
	{
		if(!visit[x])
		{
			if(a[x] > a[node])
			{
				dp[x] = max(dp[x], dp[node]+1);
			}
			else
				dp[x] = max(dp[x], dp[node]);
			dfs(x);
		}
	}
}


int main()
{
	ios_base::sync_with_stdio(false);
    cin.tie(NULL);
	int t; t = 1;
	//cin >> t;
	while(t--)
	{
		ll n;
		cin >> n;
		a[0] = 0;
		for(int i = 1; i <= n; i++)
			cin >> a[i];
		for(int i = 0; i < n-1; i++)
		{
			ll u, v;
			cin >> u >> v;
			arr[u].pb(v); arr[v].pb(u);
		}
		for(int i = 1; i <= n; i++)
			dp[i] = 1;
		dfs(1);
		for(int i = 1; i <= n; i++)
			cout << dp[i] << endl;

	}
		
}  

Compiler output:
a.cc: In function 'void dfs(long long int)':
a.cc:16:9: error: reference to 'visit' is ambiguous
   16 |         visit[node] = 1;
      |         ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:1:
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:11:19: note:                 'long long int visit [200005]'
   11 | ll dp[200005]; ll visit[200005];
      |                   ^~~~~
a.cc:19:21: error: reference to 'visit' is ambiguous
   19 |                 if(!visit[x])
      |                     ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:11:19: note:                 'long long int visit [200005]'
   11 | ll dp[200005]; ll visit[200005];
      |                   ^~~~~
Language: C++

#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
#define INF 0x7fffffff
#define LL_INF 0x7fffffffffffffff
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
int a[200005];
int ans[200005];
vector<bool> visit(200005);
vector<vector<int>> v(200005);

void dfs(int now, vector<int>& state) {
	visit[now] = true;
	int start_len = state.size();
	pii edit;
	if(start_len == 0 || state.back() < a[now]) {
		state.pb(a[now]);
	}
	else {
		auto it = lower_bound(state.begin(), state.end(), a[now]);
		edit = {it - state.begin(), state[it - state.begin()]};
		state[it - state.begin()] = a[now];
	}
	for(int i : v[now]) {
		if(visit[i]) continue;
		dfs(i, state);
	}
	ans[now] = state.size();
	if(state.size() > start_len) {
		state.pop_back();
	}
	else {
		state[edit.first] = edit.second;
	}
}

int main(void)
{
	int n; cin >> n;
	for(int i=1;i<=n;i++) 
		cin >> a[i];
	for(int i=1;i<n;i++) {
		int x, y;

		cin >> x >> y;
		v[x].pb(y);
		v[y].pb(x);
	}

	vector<int> state; state.reserve(n+1);
	dfs(1, state);

	for(int i=1;i<=n;i++) {
		cout << ans[i] << endl;
	}


	return 0;
}

Compiler output:
a.cc: In function 'void dfs(int, std::vector<int>&)':
a.cc:16:9: error: reference to 'visit' is ambiguous
   16 |         visit[now] = true;
      |         ^~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:80,
                 from a.cc:1:
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:12:14: note:                 'std::vector<bool> visit'
   12 | vector<bool> visit(200005);
      |              ^~~~~
a.cc:28:20: error: reference to 'visit' is ambiguous
   28 |                 if(visit[i]) continue;
      |                    ^~~~~
/usr/include/c++/14/variant:1855:5: note: candidates are: 'template<class _Visitor, class ... _Variants> constexpr std::__detail::__variant::__visit_result_t<_Visitor, _Variants ...> std::visit(_Visitor&&, _Variants&& ...)'
 1855 |     visit(_Visitor&& __visitor, _Variants&&... __variants)
      |     ^~~~~
a.cc:12:14: note:                 'std::vector<bool> visit'
   12 | vector<bool> visit(200005);
      |              ^~~~~
Language: C

#include <bits/stdc++.h>

#define rep(i,n) for(int i=0;i<n;i++)
#define repn(i,n) for(int i=1;i<=n;i++)
#define LL long long
#define pii pair <int,int>
#define fi first
#define se second
#define pb push_back
#define mpr make_pair

using namespace std;

const LL MOD=1e9+7;

LL n,a[200010],x,y,n2=1,dat[800010],ans[200010];
vector <LL> g[200010],v;

void upd(LL k,LL val)
{
	dat[k]=val;
	while(k>0)
	{
		k=(k-1)/2;
		dat[k]=max(dat[k*2+1],dat[k*2+2]);
	}
}

LL query(LL k,LL lb,LL ub,LL tlb,LL tub)
{
	if(ub<tlb||tub<lb) return 0;
	if(tlb<=lb&&ub<=tub) return dat[k];
	return max(query(k*2+1,lb,(lb+ub)/2,tlb,tub),query(k*2+2,(lb+ub)/2+1,ub,tlb,tub));
}

void dfs(LL pos,LL par,LL mx)
{
	//cout<<pos<<' '<<a[pos]<<'p'<<endl;
	LL val=query(0,0,n2-1,0,a[pos]-1)+1;
	//cout<<val<<'k'<<endl;
	ans[pos]=max(mx,val);
	upd(a[pos]+n2-1,val);
	rep(i,g[pos].size()) if(g[pos][i]!=par) dfs(g[pos][i],pos,ans[pos]);
	upd(a[pos]+n2-1,0);
}

int main()
{
	cin>>n;
	repn(i,n)
	{
		scanf("%lld",&a[i]);
		v.pb(a[i]);
	}
	sort(v.begin(),v.end());
	v.erase(unique(v.begin(),v.end()),v.end());
	while(n2<v.size()) n2*=2;
	repn(i,n) a[i]=lower_bound(v.begin(),v.end(),a[i])-v.begin();
	rep(i,n-1)
	{
		scanf("%lld%lld",&x,&y);
		g[x].pb(y);
		g[y].pb(x);
	}
	dfs(1,0,0);
	repn(i,n) cout<<ans[i]<<endl;
	return 0;
}

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

#include <queue>
#include <cstring>
#include <iomanip>
#include <unordered_map>
#include <string>
#include <unordered_set>
using namespace std;
typedef long long ll;
const int N = 2e5+10;
int n;
int h[N], e[N*2], ne[N*2], w[N], idx;
vector<int> path;
int res[N];
 
void add(int u, int v) {
    e[idx] = v;
    ne[idx] = h[u];
    h[u] = idx ++;
}
 
void dfs(int curr, int prev) {
    //cout << curr << endl;
    auto it = lower_bound(path.begin(), path.end(), w[curr]);
    int form = -1;
    int pos = it - path.begin();
    if(pos == path.size()) {
        path.push_back(w[curr]);
    } else {
        form = path[pos];
        path[pos] = w[curr];
    }
    res[curr] = path.size();
    for(int i = h[curr]; i!= -1; i = ne[i]) {
        int j = e[i];
        if(j != prev) {
            dfs(j, curr);
        }
    }
    if(form == -1) {
        path.pop_back();
    } else {
        path[pos] = form;
    }
 
}
 
int main(){
    memset(h, -1, sizeof h);
    int u, v;
    cin >> n;
    for(int i = 1; i <= n; i ++) {
        cin >> w[i];
    }
    for(int i = 1; i < n; i ++) {
        cin >> u >> v;
        add(u, v);
        add(v, u);
    }
    dfs(1, -1);
    for(int i = 1; i <= n; i ++) {
        cout << res[i] << endl; 
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:50:5: error: 'cin' was not declared in this scope
   50 |     cin >> n;
      |     ^~~
a.cc:7:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
    6 | #include <unordered_set>
  +++ |+#include <iostream>
    7 | using namespace std;
a.cc:61:9: error: 'cout' was not declared in this scope
   61 |         cout << res[i] << endl;
      |         ^~~~
a.cc:61:9: note: 'std::cout' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
Language: C++

#include <iostream>
#include <iomanip>
#include <cmath>
#include <algorithm>
#include <vector>
#include <string>
#include <utility>
#include <set>
#include <stack>
#include <queue>
int main() {
	int n; std::cin >> n;
	std::vector<int> node_values(n);
	for (auto& node : node_values) std::cin >> node;
	std::vector<std::vector<int>> nodes(n);
	for (auto i = 0; i < n - 1; ++i) {
		int u, v; std::cin >> u >> v;
		nodes[--u].push_back(--v);
		nodes[v].push_back(u);
	}
	std::vector<int> result(n, -1), longest(n, INT_MAX);
	std::vector<std::pair<int, int>> revert(n, std::make_pair(-1, -1));
	std::stack<int> stack; stack.push(0);
	while (!stack.empty()) {
		const auto top = stack.top();
		if (result[top] == -1) {
			const auto pos = std::distance(longest.begin(), std::lower_bound(longest.begin(), longest.end(), node_values[top]));
			revert[top] = std::make_pair(pos, longest[pos]);
			longest[pos] = node_values[top];
			result[top] = std::distance(longest.begin(), std::lower_bound(longest.begin(), longest.end(), INT_MAX));
			for (const auto next : nodes[top]) if (result[next] == -1) stack.push(next);
		}
		else {
			stack.pop();
			longest[revert[top].first] = revert[top].second;
		}
	}
	for (const auto r : result) std::cout << r << '\n';
}

Compiler output:
a.cc: In function 'int main()':
a.cc:21:52: error: 'INT_MAX' was not declared in this scope
   21 |         std::vector<int> result(n, -1), longest(n, INT_MAX);
      |                                                    ^~~~~~~
a.cc:11:1: note: 'INT_MAX' is defined in header '<climits>'; this is probably fixable by adding '#include <climits>'
   10 | #include <queue>
  +++ |+#include <climits>
   11 | int main() {
Language: C++

#include<bits/stdc++.h>
using namespace std;
#define fine cout<<"fine"<<endl;
#define ll long long int
#define pb push_back
#define FASTIO ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define endl "\n"
#define ff first
#define ss second
#define all(v) v.begin(),v.end()
const ll inf=(ll)2e18;
const int mod=1e9+7;
bool overflow(ll a,ll b){
    if (a <= (inf+b-1)/b) return false;
    return true;
}
const int NAX=2e5+5;
int n,a[NAX];
int ans[NAX];
vector<vector<int> > dp;
int bSearch(int x){
    int start=0,last=dp.size()-1,mid,ans=-1;
    while(start<=last){
        mid=(start+last)/2;
        if(dp[mid][dp[mid].size()-1]<x)
            start=mid+1;
        else{
            ans=mid;
            last=mid-1;
        }
    }
    return ans;
}
map<int,int> m;
void dfs(vector<vector<int> >&v,int i,int par){
    int ind=bSearch(a[i]);
    if(ind==-1){
        dp.pb({1e9+7,a[i]});
        m[i]=dp.size()-1;
        ans[i]=dp.size();
    }
    else{
        ans[i]=ind+1;
        dp[ind].pb(a[i]);
    }
    for(auto it: v[i]){
        if(it!=par){
            dfs(v,it,i);
        }
    }
    dp[m[i]].pop_back();
}
int main(){
FASTIO;
cin>>n;
vector<vector<int> > v(n+1);
for(int i=1;i<=n;i++)
    cin>>a[i];
for(int i=0;i<n-1;i++){
    int x,y;
    cin>>x>>y;
    v[x].pb(y);
    v[y].pb(x);
}
dfs(v,1,-1);
for(int i=1;i<=n;i++){
    cout<<ans[i]<<endl;
}
}


Compiler output:
a.cc: In function 'void dfs(std::vector<std::vector<int> >&, int, int)':
a.cc:38:14: error: narrowing conversion of '1.000000007e+9' from 'double' to 'int' [-Wnarrowing]
   38 |         dp.pb({1e9+7,a[i]});
      |         ~~~~~^~~~~~~~~~~~~~
Language: C++

#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1e9+7;
//const long long MOD = ;
const long long INF_LL = 1e18+3; const int INF_int = 1e9+3;
#define ll long long
#define rep(i,n) for(int i = 0;i<n;i++)
#define lrep(i,n) for(long long i = 0;i<n;i++)
#define All(a) a.begin(),a.end()
#define Debug_Output_ALL(a) for(auto itr = a.begin();itr!=a.end();itr++) cout << *itr << " ";cout << endl;
int main(){
    ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int n;
    cin >> n;
    vector<int> value(n);
    rep(i,n) cin >> value[i];
    vector<int> edge[n];
    rep(i,n-1){
        int u,v;
        cin >> u >> v;
        u--;v--;
        edge[u].push_back(v);
        edge[v].push_back(u);
    }
    vector<int> dp;
    fill(All(dp),INF_int);
    dp.emplace_back(value[0]);
    dp.emplae_back(INF_int);
    queue<pair<int,vector<int>>> que;
    que.push(make_pair(0,dp));
    bool visited[n];
    fill_n(visited,n,false);
    vector<int> ans(n);
    ans[0]=1;

    vector<int> nowdp;
    vector<int> nowdp_;
    while(!que.empty()){
        auto now_ = que.front();
        int now = now_.first;
        nowdp_ = now_.second;
        que.pop();
        visited[now]=true;
        rep(i,edge[now].size()){
            int to = edge[now][i];
            if(!visited[to]){
                nowdp = nowdp_;
                *lower_bound(All(nowdp),value[to])=value[to];
                ans[to]=lower_bound(All(nowdp),INF_int)-nowdp.begin();
                if(ans[to]==nowdp.size()) nowdp.emplace_back(INF_int);
                que.push(make_pair(to,nowdp));
            }
        }
    }
    rep(i,n) cout << ans[i] << endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:32:8: error: 'class std::vector<int>' has no member named 'emplae_back'; did you mean 'emplace_back'?
   32 |     dp.emplae_back(INF_int);
      |        ^~~~~~~~~~~
      |        emplace_back
Language: C++

#include <bits/stdc++.h>

int ri() {
	int n;
	scanf("%d", &n);
	return n;
}

struct SegTree {
	int n;
	std::vector<int> data;
	SegTree () = default;
	SegTree (int n_) {
		for (n = 1; n < n_; n <<= 1);
		data.resize(n << 1);
	}
	int max(int l, int r) {
		int res = 0;
		for (l += n, r += n; l < r; l >>= 1, r >>= 1) {
			if (r & 1) res = std::max(res, data[--r]);
			if (l & 1) res = std::max(res, data[l++]);
		}
		return res;
	}
	int operator [] (int i) { return data[i + n]; }
	void assign(int i, int val) {
		for (data[i += n] = val; i >>= 1; ) data[i] = std::max(data[i << 1], data[i << 1 | 1]);
	}
};

std::vector<int> a;
std::vector<std::vector<int> > hen;
std::vector<int> res;
SegTree tree;
void dfs(int i, int prev) {
	int cur = tree.max(0, a[i]) + 1;
	res[i] = std::max(old, cur);
	int old = tree[a[i]];
	tree.assign(a[i], std::max(old, cur));
	for (auto j : hen[i]) if (j != prev) dfs(j, i);
	tree.assign(a[i], old);
}

int main() {
	int n = ri();
	a.resize(n);
	for (auto &i : a) i = ri();
	auto b = a;
	std::sort(b.begin(), b.end());
	for (auto &i : a) i = std::lower_bound(b.begin(), b.end(), i) - b.begin();
	hen.resize(n);
	for (int i = 1; i < n; i++) {
		int a = ri() - 1;
		int b = ri() - 1;
		hen[a].push_back(b);
		hen[b].push_back(a);
	}
	res.resize(n);
	tree = SegTree(n);
	dfs(0, -1);
	for (auto i : res) printf("%d\n", i);
	return 0;
}


Compiler output:
a.cc: In function 'void dfs(int, int)':
a.cc:37:27: error: 'old' was not declared in this scope
   37 |         res[i] = std::max(old, cur);
      |                           ^~~
Language: C

#include<bits/stdc++.h>
typedef long long ll;
ll gi(){
	ll x=0,f=1;
	char ch=getchar();
	while(!isdigit(ch))f^=ch=='-',ch=getchar();
	while(isdigit(ch))x=x*10+ch-'0',ch=getchar();
	return f?x:-x;
}
#define pr std::pair<int,int>
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
template<class T>void cxk(T&a,T b){a=a>b?a:b;}
template<class T>void cnk(T&a,T b){a=a<b?a:b;}
#ifdef mod
int pow(int x,int y){
	int ret=1;
	while(y){
		if(y&1)ret=1ll*ret*x%mod;
		x=1ll*x*x%mod;y>>=1;
	}
	return ret;
}
template<class Ta,class Tb>void inc(Ta&a,Tb b){a=a+b>=mod?a+b-mod:a+b;}
template<class Ta,class Tb>void dec(Ta&a,Tb b){a=a>=b?a-b:a+mod-b;}
#endif
int W[200010],fir[200010],dis[400010],nxt[400010],id;
void link(int a,int b){nxt[++id]=fir[a],fir[a]=id,dis[id]=b;}
int ans[200010],max[200010],c;
void DFS(int x,int fa=-1){
	ans[x]=std::upper_bound(max,max+c+1,W[x])-max;
	int _=-1;
	if(ans[x]>c)max[++c]=W[x];
	else _=max[ans[x]],cnk(max[ans[x]],W[x]);
	for(int i=fir[x];i;i=nxt[i]){
		if(dis[i]==fa)continue;
		DFS(dis[i],x);
	}
	if(~_)max[ans[x]]=_;
	else--c;
}
int main(){
#ifdef LOCAL
	freopen("in.in","r",stdin);
	//freopen("out.out","w",stdout);
#endif
	int n=gi(),a,b;
	for(int i=1;i<=n;++i)W[i]=gi();
	for(int i=1;i<n;++i)a=gi(),b=gi(),link(a,b),link(b,a);
	DFS(1);for(int i=1;i<=n;++i)printf("%d\n",ans[i]);
	return 0;
}



Compiler output:
main.c:1:9: fatal error: bits/stdc++.h: No such file or directory
    1 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.
Language: C

#include<stdio.h>
int main()
{ int s,w;
 scanf("%d %d", &s, &w);
if (s<=w)
 {printf ("Unsafe")};
else
{printf("Safe")};}

Compiler output:
main.c: In function 'main':
main.c:6:20: error: expected ';' before '}' token
    6 |  {printf ("Unsafe")};
      |                    ^
      |                    ;
main.c:7:1: error: 'else' without a previous 'if'
    7 | else
      | ^~~~
main.c:8:16: error: expected ';' before '}' token
    8 | {printf("Safe")};}
      |                ^
      |                ;
Language: C++

#include<iostream>
using namespace std;
int main()
{
  int s,w;
  cin>>s>>w;
  if(w>=s)
  {
    cout<<"unsafe"<<endl;
    else
    
      cout<<"safe"<<endl;
    }
    return 0;
  }
  


Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: expected '}' before 'else'
   10 |     else
      |     ^~~~
a.cc:8:3: note: to match this '{'
    8 |   {
      |   ^
a.cc: At global scope:
a.cc:14:5: error: expected unqualified-id before 'return'
   14 |     return 0;
      |     ^~~~~~
a.cc:15:3: error: expected declaration before '}' token
   15 |   }
      |   ^
Language: C++

#include<iostream>
using namespace std;
int main()
{
  int s,w;
  cin>>s>>w;
  if(w>=s)
  {
    cout<<"unsafe"<<endl;
    else
    {
      cout<<"safe"<<endl;
    }
    return 0;
  }
  

Compiler output:
a.cc: In function 'int main()':
a.cc:10:5: error: expected '}' before 'else'
   10 |     else
      |     ^~~~
a.cc:8:3: note: to match this '{'
    8 |   {
      |   ^
Language: C

#include<stdio.h>
int main(void){
  int S,W;
  scanf("%d%d",&S,&W);
  if(S > W){
    printf("safe");
    else
      printf("unsafe");
  }
  return 0;
}
#include<stdio.h>
int main(void){
  int S,W;
  scanf("%d%d",&S,&W);
  if(S > W)
    printf("safe");
    else
      printf("unsafe");
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:5: error: expected '}' before 'else'
    7 |     else
      |     ^~~~
main.c: At top level:
main.c:10:3: error: expected identifier or '(' before 'return'
   10 |   return 0;
      |   ^~~~~~
main.c:11:1: error: expected identifier or '(' before '}' token
   11 | }
      | ^
main.c:13:5: error: redefinition of 'main'
   13 | int main(void){
      |     ^~~~
main.c:2:5: note: previous definition of 'main' with type 'int(void)'
    2 | int main(void){
      |     ^~~~
Language: C

#include<stdio.h>
int main(void){
  int S,W;
  scanf("%d%d",&S,&W);
  if(S > W){
    printf("safe");
    else
      printf("unsafe");
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:5: error: expected '}' before 'else'
    7 |     else
      |     ^~~~
main.c: At top level:
main.c:10:3: error: expected identifier or '(' before 'return'
   10 |   return 0;
      |   ^~~~~~
main.c:11:1: error: expected identifier or '(' before '}' token
   11 | }
      | ^
Language: C++

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

using namespace std;
using ll = long long;
using pint = pair<int, int>;

int main() {
	int S, W;
	cin >> S >> W;

	cout << (S <= W) ? "unsafe" : "safe" << endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:16:46: error: invalid operands of types 'const char [5]' and '<unresolved overloaded function type>' to binary 'operator<<'
   16 |         cout << (S <= W) ? "unsafe" : "safe" << endl;
      |                                       ~~~~~~~^~~~~~~
Language: C++

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

int main() {
  int s,w;
  cin>>s>>w;
  cout<<(s<=w?"unsafe":"safe")<<endl;
)

Compiler output:
a.cc: In function 'int main()':
a.cc:8:1: error: expected primary-expression before ')' token
    8 | )
      | ^
a.cc:8:2: error: expected '}' at end of input
    8 | )
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C++

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

int main() {
  int s,w;
  cin>>s>>w;
  cout<<(s<=w?"unsafe":"safe"<<endl;
)

Compiler output:
a.cc: In function 'int main()':
a.cc:7:30: error: invalid operands of types 'const char [5]' and '<unresolved overloaded function type>' to binary 'operator<<'
    7 |   cout<<(s<=w?"unsafe":"safe"<<endl;
      |                        ~~~~~~^~~~~~
a.cc:7:36: error: expected ')' before ';' token
    7 |   cout<<(s<=w?"unsafe":"safe"<<endl;
      |         ~                          ^
      |                                    )
a.cc:8:1: error: expected primary-expression before ')' token
    8 | )
      | ^
a.cc:8:2: error: expected '}' at end of input
    8 | )
      |  ^
a.cc:4:12: note: to match this '{'
    4 | int main() {
      |            ^
Language: C

int main(void) {
	// your code goes here
	int	S,W;
	scanf("%d",&S,&W);
	if(S<=W)
	printf("unsafe");
	else(W<S)
	printf("safe");
	
	return 0;
}

Compiler output:
main.c: In function 'main':
main.c:4:9: error: implicit declaration of function 'scanf' [-Wimplicit-function-declaration]
    4 |         scanf("%d",&S,&W);
      |         ^~~~~
main.c:1:1: note: include '<stdio.h>' or provide a declaration of 'scanf'
  +++ |+#include <stdio.h>
    1 | int main(void) {
main.c:4:9: warning: incompatible implicit declaration of built-in function 'scanf' [-Wbuiltin-declaration-mismatch]
    4 |         scanf("%d",&S,&W);
      |         ^~~~~
main.c:4:9: note: include '<stdio.h>' or provide a declaration of 'scanf'
main.c:6:9: error: implicit declaration of function 'printf' [-Wimplicit-function-declaration]
    6 |         printf("unsafe");
      |         ^~~~~~
main.c:6:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:6:9: warning: incompatible implicit declaration of built-in function 'printf' [-Wbuiltin-declaration-mismatch]
main.c:6:9: note: include '<stdio.h>' or provide a declaration of 'printf'
main.c:7:18: error: expected ';' before 'printf'
    7 |         else(W<S)
      |                  ^
      |                  ;
    8 |         printf("safe");
      |         ~~~~~~
Language: C

#include<stdio.h>

int main(void){
  int S,W;
  scanf("%d %d",&S,&W);
  if(S>W){
    pritnf("safe\n");
  }else{
    printf("unsafe\n");
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:5: error: implicit declaration of function 'pritnf'; did you mean 'printf'? [-Wimplicit-function-declaration]
    7 |     pritnf("safe\n");
      |     ^~~~~~
      |     printf
Language: C++

#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int s,w 
  cin >>s>>w;
  
  if (s<=w) cout << "unsafe" << endl;
  else cout << "safe" << endl;
  return 0;
 }

Compiler output:
a.cc: In function 'int main()':
a.cc:6:3: error: expected initializer before 'cin'
    6 |   cin >>s>>w;
      |   ^~~
a.cc:8:10: error: 'w' was not declared in this scope
    8 |   if (s<=w) cout << "unsafe" << endl;
      |          ^
Language: Java

public class Main {
  public static void main(String[] args) {
    int S = new java.util.Scanner(System.in).nextInt();
    int W = new java.util.Scanner(System.in).nextInt();
    if (int S <= int W) {
      System.out.println("unsafe");
    } else {
      System.out.println("safe");
    }
  }
}


Compiler output:
Main.java:5: error: '.class' expected
    if (int S <= int W) {
            ^
Main.java:5: error: '.class' expected
    if (int S <= int W) {
                     ^
Main.java:5: error: not a statement
    if (int S <= int W) {
              ^
Main.java:5: error: ';' expected
    if (int S <= int W) {
                      ^
Main.java:7: error: 'else' without 'if'
    } else {
      ^
5 errors
Language: Java

public class Main {
  public static void main(String[] args) {
    int S = new java.util.Scanner(System.in).nextInt();
    int W = new java.util.Scanner(System.in).nextInt();
    if (S <= W) {
      System.out.println("unsafe");
    } else {
      System.out.println("safe");
  }
}

Compiler output:
Main.java:10: error: reached end of file while parsing
}
 ^
1 error
Language: C++

#include<bits/stdc++.h>
using namespace std;
int main(){
  int s,w;
  cin >> s >> w;
  if (s <= w){
    cout << "unsafe" << endl;
  }else{
    cout << "safe" << endl;
  }
}
`

Compiler output:
a.cc:12:1: error: stray '`' in program
   12 | `
      | ^
Language: C

#include <stdio.h>

int main(){
  int A,B,C,D;
  scanf("%d %d %d %d", &A,&B,&C,&D);
  
  
  
  int turn = 1
  while(A > 0 && C > 0){
  
    if(turn == 1){
    
    C = C - B;
  }else if(turn == -1){  
   
    A = A - D;
  } 
  
  turn = -turn;
 }    
    
  if( A > 0 ){#include <stdio.h>

int main(){
    int A,B,X;
    scanf("%d %d %d",&A,&B,&X);
          
          
          
    if( A <= X && X <= A+B ){
      printf("YES\n");
    }else{
        printf("NO\n");
    }
    return 0;
}
      
      
      
    printf("Yes\n");
  }else{
    printf("No\n");
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:10:3: error: expected ',' or ';' before 'while'
   10 |   while(A > 0 && C > 0){
      |   ^~~~~
main.c:23:15: error: stray '#' in program
   23 |   if( A > 0 ){#include <stdio.h>
      |               ^
main.c:23:16: error: 'include' undeclared (first use in this function)
   23 |   if( A > 0 ){#include <stdio.h>
      |                ^~~~~~~
main.c:23:16: note: each undeclared identifier is reported only once for each function it appears in
main.c:23:25: error: 'stdio' undeclared (first use in this function); did you mean 'stdin'?
   23 |   if( A > 0 ){#include <stdio.h>
      |                         ^~~~~
      |                         stdin
main.c:25:1: error: expected expression before 'int'
   25 | int main(){
      | ^~~
Language: C

#include <stdio.h>

int main(){
  int A,B,C,D;
  scanf("%d %d %d %d",&A,&B,&C,&D);
   while(A>0 && C>0){
     if(turn == 1){
    C=C-B;
     }else if(turn==1){
    A=A-D;
     }
     turn=-turn;
   }
  if(C<=0){
    printf("Yes\n");
  }else{
    printf("No\n");
  }
  return 0;
}

Compiler output:
main.c: In function 'main':
main.c:7:9: error: 'turn' undeclared (first use in this function)
    7 |      if(turn == 1){
      |         ^~~~
main.c:7:9: note: each undeclared identifier is reported only once for each function it appears in
Language: C++

// Caleb Faith Adnaka XI105
int main() {

    int S,W;
    cin >> S;
    cin >> W;

    if (W >= S){
        cout << "unsafe\n";
    }
    else{
        cout << "safe\n";
    }

}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:5: error: 'cin' was not declared in this scope
    5 |     cin >> S;
      |     ^~~
a.cc:9:9: error: 'cout' was not declared in this scope
    9 |         cout << "unsafe\n";
      |         ^~~~
a.cc:12:9: error: 'cout' was not declared in this scope
   12 |         cout << "safe\n";
      |         ^~~~
Language: C

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

int main(){
  int S,W;
  cin>>S>>W;
  if(S<=W){
    cout<<"unsafe"<<endl;
  }
  else{
    cout<<"safe"<<endl;
  }
}

Compiler output:
main.c:1:9: fatal error: bits/stdc++.h: No such file or directory
    1 | #include<bits/stdc++.h>
      |         ^~~~~~~~~~~~~~~
compilation terminated.