| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1053002 | tolbi | Keys (IOI21_keys) | C++17 | 컴파일 에러 | 0 ms | 0 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
using namespace std;
struct DSU{
vector<int> sz;
vector<int> par;
DSU(int n){
sz.resize(n,1);
par.resize(n);
iota(par.begin(), par.end(), 0);
}
int find(int node){
if (par[node]==node) return node;
return par[node]=find(par[node]);
}
void merge(int a, int b){
sz[b]+=sz[a];
sz[a]=0;
par[a]=b;
}
};
struct node{
set<int> keys;
map<int,vector<int>> roads;
vector<int> to;
bool operator<(const node &ot)const{
return (keys.size()+roads.size()+to.size())<(ot.keys.size()+ot.roads.size()+ot.to.size());
};
void process(){
vector<int> sil;
for (auto [k,it] : roads){
if (keys.find(k)!=keys.end()){
sil.push_back(k);
for (auto it2 : it){
to.push_back(it2);
}
}
}
for (auto it : sil) roads.erase(it);
}
};
vector<int> find_reachable(vector<int> r, vector<int> u, vector<int> v, vector<int> c) {
int n = r.size();
vector<int> par(n);
iota(par.begin(), par.end(), 0);
DSU dsu(n);
DSU compress(n);
vector<node> arr(n);
for (int i = 0; i < n; i++){
arr[i].keys.insert(r[i]);
}
for (int i = 0; i < u.size(); ++i)
{
arr[u[i]].roads[c[i]].push_back(v[i]);
arr[v[i]].roads[c[i]].push_back(u[i]);
}
queue<int> process;
for (int i = 0; i < n; ++i)
{
arr[i].process();
process.push(i);
}
while (process.size()){
int node = process.front();
process.pop();
if (par[node]!=node) continue;
while (arr[node].to.size()){
int git = arr[node].to.back();
arr[node].to.pop_back();
if (dsu.find(git)==node){
git=compress.find(git);
while (git!=node){
compress.merge(git,node);
if (arr[git]>arr[node]) swap(arr[git],arr[node]);
while (arr[git].to.size()){
arr[node].to.push_back(arr[git].to.back());
arr[git].to.pop_back();
}
for (auto it : arr[git].keys){
if (arr[node].roads.count(it)){
for (auto &hh : arr[node].roads[it]){
arr[node].to.push_back(hh);
}
arr[node].roads.erase(it);
}
arr[node].keys.insert(it);
}
for (auto [k,it] : arr[git].roads){
if (arr[node].keys.find(k)!=arr[node].keys.end()){
for (auto &it2 : it){
arr[node].to.push_back(it2);
}
}
else {
for (auto &it2 : it){
arr[node].roads[k].push_back(it2);
}
}
}
git=compress.find(par[git]);
}
}
else {
dsu.merge(node,git);
par[node]=git;
process.push(dsu.find(node));
break;
}
}
}
vector<int> ans;
int sz;
for (int i = 0; i < n; i++){
if (dsu.find(i)==i){
if (ans.size()==0 || compress.sz[i]<sz){
ans.clear();
sz=compress.sz[i];
ans.push_back(i);
}
else if (compress.sz[i]==sz){
ans.push_back(i);
}
}
}
vector<int> ret(n,0);
for (auto it : ans) ret[it]=1;
for (int i = 0; i < n; ++i)
{
if (ret[compress.find(i)]) ret[i]=1;
}
return ret;
}컴파일 시 표준 에러 (stderr) 메시지
keys.cpp: In function 'std::vector<int> find_reachable(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
keys.cpp:51:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
51 | for (int i = 0; i < u.size(); ++i)
| ~~^~~~~~~~~~
keys.cpp:73:18: error: no match for 'operator>' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} and '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'})
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from keys.cpp:1:
/usr/include/c++/10/bits/regex.h:1108:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
1108 | operator>(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1108:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from keys.cpp:1:
/usr/include/c++/10/bits/regex.h:1168:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator>(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)'
1168 | operator>(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1168:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from keys.cpp:1:
/usr/include/c++/10/bits/regex.h:1261:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
1261 | operator>(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1261:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from keys.cpp:1:
/usr/include/c++/10/bits/regex.h:1335:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
1335 | operator>(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1335:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from keys.cpp:1:
/usr/include/c++/10/bits/regex.h:1429:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1429 | operator>(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1429:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from keys.cpp:1:
/usr/include/c++/10/bits/regex.h:1505:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
1505 | operator>(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1505:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from keys.cpp:1:
/usr/include/c++/10/bits/regex.h:1605:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1605 | operator>(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1605:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from keys.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:502:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator>(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
502 | operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:502:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::pair<_T1, _T2>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from keys.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:378:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
378 | operator>(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:378:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::reverse_iterator<_Iterator>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from keys.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:416:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
416 | operator>(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:416:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::reverse_iterator<_Iterator>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from keys.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1469:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1469 | operator>(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1469:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::move_iterator<_IteratorL>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from keys.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1519:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1519 | operator>(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1519:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::move_iterator<_IteratorL>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from keys.cpp:1:
/usr/include/c++/10/string_view:563:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
563 | operator> (basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:563:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: 'node' is not derived from 'std::basic_string_view<_CharT, _Traits>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from keys.cpp:1:
/usr/include/c++/10/string_view:569:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(std::basic_string_view<_CharT, _Traits>, std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >)'
569 | operator> (basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:569:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: 'node' is not derived from 'std::basic_string_view<_CharT, _Traits>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from keys.cpp:1:
/usr/include/c++/10/string_view:576:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >, std::basic_string_view<_CharT, _Traits>)'
576 | operator> (__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:576:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: 'node' is not derived from 'std::basic_string_view<_CharT, _Traits>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from keys.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6305:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
6305 | operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6305:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from keys.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6318:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
6318 | operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6318:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: '__gnu_cxx::__alloc_traits<std::allocator<node>, node>::value_type' {aka 'node'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from keys.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6330:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
6330 | operator>(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6330:5: note: template argument deduction/substitution failed:
keys.cpp:73:27: note: mismatched types 'const _CharT*' and 'node'
73 | if (arr[git]>arr[node]) swap(arr[git],arr[node]);
| ^
In file included f