| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 897225 | Mathias | Ball Machine (BOI13_ballmachine) | C++14 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5+7;
const int LOG = 19;
int jp[MAXN][LOG];
int ojciec[MAXN];
int depth[MAXN];
int post[MAXN];
bool ball[MAXN];
vector<int> g[MAXN];
set<pair<int,int> > s;
int cnt=0;
void DFS(int x){
depth[x]=depth[ojciec[x]]+1;
jp[x][0]=ojciec[x];
for(int i=1;i<LOG;i++) jp[x][i]=jp[jp[x][i-1]][i-1];
for(int i=0;i<g[x].size();i++){
DFS(g[x][i]);
}
mini[x]=x;
for(int i=0;i<g[x].size();i++) mini[x]=min(mini[x],x);
s.insert({mini[x],x});
}
void DFS1(int x){
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int n,q,x,r,a,b;
pair<int,int> p;
cin>>n>>q;
for(int i=1;i<=n;i++){
cin>>x;
ojciec[i]=x;
if(x==0) r=i;
else g[x].push_back(i);
}
DFS1(r);
DFS(r);
for(int i=1;i<=n;i++) for(int j=0;j<LOG;j++) if(jp[i][j]==0) jp[i][j]=r;
while(q--){
cin>>a>>b;
if(a==1){
while(b--){
auto it=s.begin();
s.erase(it);
p=*it;
ball[p.second]=1;
if(b==0){
cout<<p.second<<'\n';
}
}
}
else{
x=b;
for(int i=LOG-1;i>=0;i--){
if(ball[jp[x][i]]==1){
x=jp[x][i];
}
}
ball[x]=0;
s.insert({mini[x],x});
//cout<<b<<' '<<x<<'\n';
cout<<depth[b]-depth[x]<<'\n';
}
}
return 0;
}
Compilation message (stderr)
ballmachine.cpp: In function 'void DFS(int)':
ballmachine.cpp:17:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
17 | for(int i=0;i<g[x].size();i++){
| ~^~~~~~~~~~~~
ballmachine.cpp:20:2: error: 'mini' was not declared in this scope
20 | mini[x]=x;
| ^~~~
ballmachine.cpp:21:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
21 | for(int i=0;i<g[x].size();i++) mini[x]=min(mini[x],x);
| ~^~~~~~~~~~~~
ballmachine.cpp:22:22: error: no matching function for call to 'std::set<std::pair<int, int> >::insert(<brace-enclosed initializer list>)'
22 | s.insert({mini[x],x});
| ^
In file included from /usr/include/c++/10/set:61,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:87,
from ballmachine.cpp:1:
/usr/include/c++/10/bits/stl_set.h:509:7: note: candidate: 'std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(const value_type&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
509 | insert(const value_type& __x)
| ^~~~~~
/usr/include/c++/10/bits/stl_set.h:509:32: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<int, int>&'}
509 | insert(const value_type& __x)
| ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_set.h:518:7: note: candidate: 'std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::value_type&&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
518 | insert(value_type&& __x)
| ^~~~~~
/usr/include/c++/10/bits/stl_set.h:518:27: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::set<std::pair<int, int> >::value_type&&' {aka 'std::pair<int, int>&&'}
518 | insert(value_type&& __x)
| ~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_set.h:546:7: note: candidate: 'std::set<_Key, _Compare, _Alloc>::iterator std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::const_iterator, const value_type&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::set<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
546 | insert(const_iterator __position, const value_type& __x)
| ^~~~~~
/usr/include/c++/10/bits/stl_set.h:546:7: note: candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/stl_set.h:551:7: note: candidate: 'std::set<_Key, _Compare, _Alloc>::iterator std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::const_iterator, std::set<_Key, _Compare, _Alloc>::value_type&&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::set<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
551 | insert(const_iterator __position, value_type&& __x)
| ^~~~~~
/usr/include/c++/10/bits/stl_set.h:551:7: note: candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/stl_set.h:566:2: note: candidate: 'template<class _InputIterator> void std::set<_Key, _Compare, _Alloc>::insert(_InputIterator, _InputIterator) [with _InputIterator = _InputIterator; _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >]'
566 | insert(_InputIterator __first, _InputIterator __last)
| ^~~~~~
/usr/include/c++/10/bits/stl_set.h:566:2: note: template argument deduction/substitution failed:
ballmachine.cpp:22:22: note: candidate expects 2 arguments, 1 provided
22 | s.insert({mini[x],x});
| ^
In file included from /usr/include/c++/10/set:61,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:87,
from ballmachine.cpp:1:
/usr/include/c++/10/bits/stl_set.h:578:7: note: candidate: 'void std::set<_Key, _Compare, _Alloc>::insert(std::initializer_list<_Tp>) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >]'
578 | insert(initializer_list<value_type> __l)
| ^~~~~~
/usr/include/c++/10/bits/stl_set.h:578:43: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::initializer_list<std::pair<int, int> >'
578 | insert(initializer_list<value_type> __l)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
ballmachine.cpp: In function 'int main()':
ballmachine.cpp:61:14: error: 'mini' was not declared in this scope
61 | s.insert({mini[x],x});
| ^~~~
ballmachine.cpp:61:24: error: no matching function for call to 'std::set<std::pair<int, int> >::insert(<brace-enclosed initializer list>)'
61 | s.insert({mini[x],x});
| ^
In file included from /usr/include/c++/10/set:61,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:87,
from ballmachine.cpp:1:
/usr/include/c++/10/bits/stl_set.h:509:7: note: candidate: 'std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(const value_type&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
509 | insert(const value_type& __x)
| ^~~~~~
/usr/include/c++/10/bits/stl_set.h:509:32: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<int, int>&'}
509 | insert(const value_type& __x)
| ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_set.h:518:7: note: candidate: 'std::pair<typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator, bool> std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::value_type&&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
518 | insert(value_type&& __x)
| ^~~~~~
/usr/include/c++/10/bits/stl_set.h:518:27: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::set<std::pair<int, int> >::value_type&&' {aka 'std::pair<int, int>&&'}
518 | insert(value_type&& __x)
| ~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_set.h:546:7: note: candidate: 'std::set<_Key, _Compare, _Alloc>::iterator std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::const_iterator, const value_type&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::set<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
546 | insert(const_iterator __position, const value_type& __x)
| ^~~~~~
/usr/include/c++/10/bits/stl_set.h:546:7: note: candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/stl_set.h:551:7: note: candidate: 'std::set<_Key, _Compare, _Alloc>::iterator std::set<_Key, _Compare, _Alloc>::insert(std::set<_Key, _Compare, _Alloc>::const_iterator, std::set<_Key, _Compare, _Alloc>::value_type&&) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >; std::set<_Key, _Compare, _Alloc>::iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::const_iterator = std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int> >, std::less<std::pair<int, int> >, std::allocator<std::pair<int, int> > >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = std::pair<int, int>]'
551 | insert(const_iterator __position, value_type&& __x)
| ^~~~~~
/usr/include/c++/10/bits/stl_set.h:551:7: note: candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/stl_set.h:566:2: note: candidate: 'template<class _InputIterator> void std::set<_Key, _Compare, _Alloc>::insert(_InputIterator, _InputIterator) [with _InputIterator = _InputIterator; _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >]'
566 | insert(_InputIterator __first, _InputIterator __last)
| ^~~~~~
/usr/include/c++/10/bits/stl_set.h:566:2: note: template argument deduction/substitution failed:
ballmachine.cpp:61:24: note: candidate expects 2 arguments, 1 provided
61 | s.insert({mini[x],x});
| ^
In file included from /usr/include/c++/10/set:61,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:87,
from ballmachine.cpp:1:
/usr/include/c++/10/bits/stl_set.h:578:7: note: candidate: 'void std::set<_Key, _Compare, _Alloc>::insert(std::initializer_list<_Tp>) [with _Key = std::pair<int, int>; _Compare = std::less<std::pair<int, int> >; _Alloc = std::allocator<std::pair<int, int> >]'
578 | insert(initializer_list<value_type> __l)
| ^~~~~~
/usr/include/c++/10/bits/stl_set.h:578:43: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::initializer_list<std::pair<int, int> >'
578 | insert(initializer_list<value_type> __l)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~