| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 756143 | 2023-06-11T08:07:15 Z | boyliguanhan | Street Lamps (APIO19_street_lamps) | C++17 | Compilation error |
0 ms | 0 KB |
#include <bits/stdc++.h>
using namespace std;
struct Lamp {
int id;
bool on;
};
struct SegmentTree {
vector<int> tree;
int n;
SegmentTree(int n) {
this->n = n;
tree.resize(4 * n);
}
void update(int i, int val) {
i += n;
tree[i] += val;
while (i > 1) {
i >>= 1;
tree[i] = tree[2 * i] + tree[2 * i + 1];
}
}
int query(int a, int b) {
int res = 0;
for (a += n, b += n; a < b; a >>= 1, b >>= 1) {
if (a & 1) {
res += tree[a++];
}
if (b & 1) {
res += tree[--b];
}
}
return res;
}
};
int main() {
int n, q;
cin >> n >> q;
vector<Lamp> lamps(n);
for (int i = 0; i < n; i++) {
lamps[i].id = i;
cin >> lamps[i].on;
}
set<Lamp> on_lamps;
for (int i = 0; i < n; i++) {
if (lamps[i].on) {
on_lamps.insert(lamps[i]);
}
}
SegmentTree st(n);
for (int i = 0; i < n; i++) {
st.update(i, 1);
}
for (int t = 1; t <= q; t++) {
string command;
cin >> command;
if (command == "query") {
int a, b;
cin >> a >> b;
int ans = st.query(a, b);
if (a == b) {
ans -= (q - t);
}
cout << ans << endl;
} else {
int i;
cin >> i;
if (lamps[i].on) {
on_lamps.erase(lamps[i]);
} else {
on_lamps.insert(lamps[i]);
}
lamps[i].on = !lamps[i].on;
st.update(i, lamps[i].on ? 1 : -1);
}
}
return 0;
}
Compilation message
In file included from /usr/include/c++/10/string:48,
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_function.h: In instantiation of 'constexpr bool std::less<_Tp>::operator()(const _Tp&, const _Tp&) const [with _Tp = Lamp]':
/usr/include/c++/10/bits/stl_tree.h:2101:35: required from 'std::pair<std::_Rb_tree_node_base*, std::_Rb_tree_node_base*> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_get_insert_unique_pos(const key_type&) [with _Key = Lamp; _Val = Lamp; _KeyOfValue = std::_Identity<Lamp>; _Compare = std::less<Lamp>; _Alloc = std::allocator<Lamp>; std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::key_type = Lamp]'
/usr/include/c++/10/bits/stl_tree.h:2154:4: required from 'std::pair<std::_Rb_tree_iterator<_Val>, bool> std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert_unique(_Arg&&) [with _Arg = const Lamp&; _Key = Lamp; _Val = Lamp; _KeyOfValue = std::_Identity<Lamp>; _Compare = std::less<Lamp>; _Alloc = std::allocator<Lamp>]'
/usr/include/c++/10/bits/stl_set.h:512:25: required from '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 = Lamp; _Compare = std::less<Lamp>; _Alloc = std::allocator<Lamp>; typename std::_Rb_tree<_Key, _Key, std::_Identity<_Tp>, _Compare, typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_Key>::other>::const_iterator = std::_Rb_tree<Lamp, Lamp, std::_Identity<Lamp>, std::less<Lamp>, std::allocator<Lamp> >::const_iterator; std::set<_Key, _Compare, _Alloc>::value_type = Lamp]'
street_lamps.cpp:54:31: required from here
/usr/include/c++/10/bits/stl_function.h:386:20: error: no match for 'operator<' (operand types are 'const Lamp' and 'const Lamp')
386 | { return __x < __y; }
| ~~~~^~~~~
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:489:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
489 | operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:489:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/string:48,
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_function.h:386:20: note: 'const Lamp' is not derived from 'const std::pair<_T1, _T2>'
386 | { return __x < __y; }
| ~~~~^~~~~
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:366:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
366 | operator<(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:366:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/string:48,
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_function.h:386:20: note: 'const Lamp' is not derived from 'const std::reverse_iterator<_Iterator>'
386 | { return __x < __y; }
| ~~~~^~~~~
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:404:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
404 | operator<(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:404:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/string:48,
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_function.h:386:20: note: 'const Lamp' is not derived from 'const std::reverse_iterator<_Iterator>'
386 | { return __x < __y; }
| ~~~~^~~~~
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1451:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1451 | operator<(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1451:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/string:48,
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_function.h:386:20: note: 'const Lamp' is not derived from 'const std::move_iterator<_IteratorL>'
386 | { return __x < __y; }
| ~~~~^~~~~
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1507:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1507 | operator<(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1507:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/string:48,
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_function.h:386:20: note: 'const Lamp' is not derived from 'const std::move_iterator<_IteratorL>'
386 | { return __x < __y; }
| ~~~~^~~~~
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 street_lamps.cpp:1:
/usr/include/c++/10/string_view:544:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
544 | operator< (basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:544:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/string:48,
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_function.h:386:20: note: 'Lamp' is not derived from 'std::basic_string_view<_CharT, _Traits>'
386 | { return __x < __y; }
| ~~~~^~~~~
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 street_lamps.cpp:1:
/usr/include/c++/10/string_view:550:5: 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> >)'
550 | operator< (basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:550:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/string:48,
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_function.h:386:20: note: 'Lamp' is not derived from 'std::basic_string_view<_CharT, _Traits>'
386 | { return __x < __y; }
| ~~~~^~~~~
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 street_lamps.cpp:1:
/usr/include/c++/10/string_view:557:5: 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>)'
557 | operator< (__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:557:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/string:48,
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_function.h:386:20: note: 'Lamp' is not derived from 'std::basic_string_view<_CharT, _Traits>'
386 | { return __x < __y; }
| ~~~~^~~~~
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6267:5: 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>&)'
6267 | operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6267:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/string:48,
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_function.h:386:20: note: 'const Lamp' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
386 | { return __x < __y; }
| ~~~~^~~~~
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6280:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
6280 | operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6280:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/10/string:48,
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/stl_function.h:386:20: note: 'const Lamp' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
386 | { return __x < __y; }
| ~~~~^~~~~
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 street_lamps.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6292:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*