| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 849247 | 2023-09-14T10:03:41 Z | vjudge1 | Event Hopping (BOI22_events) | C++17 | Compilation error |
0 ms | 0 KB |
#include <bits/stdc++.h>
#define all(v) ((v).begin(),(v).end())
#define ll long long
#define F first
#define S second
const ll mod = 1e9 + 7;
const ll mxN = 1e5 + 2;
using namespace std;
struct range{
int l,r,id;
};
bool operator<(range a,range b){
return tie(a.l,a.r,a.id) < tie(b.l,b.r,b.id);
}
range a[mxN];
range og[mxN];
signed main()
{
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0 );
int n,q;
cin >>n>>q;
for(int i = 0;i < n;i++){
cin >>a[i].l>>a[i].r;
a[i].id = i + 1;
og[i] = a[i];
}
sort(a,a + n);
while(q--){
int s,e;
cin >>s>>e;
auto x = og[s - 1],y = og[e - 1];
int ans = 0;
int i = lower_bound(a,a + n,x) - a;
int j = lower_bound(a,a + n,y) - a;
if(j - i < 0) cout<<"impossible\n";
else cout<<j - i<<'\n';
continue;
if(i > j) ans = -1;
while(i < j){
int nxt = -1;
int lt = -1;
i++;
while(i < n){
if(a[i].F <= x.S && a[i].S >= x.S && a[i].S <= y.S){
if(nxt == -1 || a[i].S >= a[nxt].S){
nxt = i;
}
lt = i;
}
if(a[i] == y) break;
i++;
}
if(nxt == -1){
ans = -1;
break;
}
x = a[nxt];
i = lt;
ans++;
}
if(ans != -1) cout<<ans<<'\n';
else cout<<"impossible\n";
}
}
Compilation message
events.cpp: In function 'int main()':
events.cpp:4:11: error: 'struct range' has no member named 'first'
4 | #define F first
| ^~~~~
events.cpp:44:17: note: in expansion of macro 'F'
44 | if(a[i].F <= x.S && a[i].S >= x.S && a[i].S <= y.S){
| ^
events.cpp:5:11: error: 'struct range' has no member named 'second'
5 | #define S second
| ^~~~~~
events.cpp:44:24: note: in expansion of macro 'S'
44 | if(a[i].F <= x.S && a[i].S >= x.S && a[i].S <= y.S){
| ^
events.cpp:5:11: error: 'struct range' has no member named 'second'
5 | #define S second
| ^~~~~~
events.cpp:44:34: note: in expansion of macro 'S'
44 | if(a[i].F <= x.S && a[i].S >= x.S && a[i].S <= y.S){
| ^
events.cpp:5:11: error: 'struct range' has no member named 'second'
5 | #define S second
| ^~~~~~
events.cpp:44:41: note: in expansion of macro 'S'
44 | if(a[i].F <= x.S && a[i].S >= x.S && a[i].S <= y.S){
| ^
events.cpp:5:11: error: 'struct range' has no member named 'second'
5 | #define S second
| ^~~~~~
events.cpp:44:51: note: in expansion of macro 'S'
44 | if(a[i].F <= x.S && a[i].S >= x.S && a[i].S <= y.S){
| ^
events.cpp:5:11: error: 'struct range' has no member named 'second'
5 | #define S second
| ^~~~~~
events.cpp:44:58: note: in expansion of macro 'S'
44 | if(a[i].F <= x.S && a[i].S >= x.S && a[i].S <= y.S){
| ^
events.cpp:5:11: error: 'struct range' has no member named 'second'
5 | #define S second
| ^~~~~~
events.cpp:45:32: note: in expansion of macro 'S'
45 | if(nxt == -1 || a[i].S >= a[nxt].S){
| ^
events.cpp:5:11: error: 'struct range' has no member named 'second'
5 | #define S second
| ^~~~~~
events.cpp:45:44: note: in expansion of macro 'S'
45 | if(nxt == -1 || a[i].S >= a[nxt].S){
| ^
events.cpp:50:17: error: no match for 'operator==' (operand types are 'range' and 'range')
50 | if(a[i] == y) break;
| ~~~~ ^~ ~
| | |
| | range
| range
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from events.cpp:1:
/usr/include/c++/10/bits/regex.h:1035:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
1035 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1035:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
50 | if(a[i] == y) break;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from events.cpp:1:
/usr/include/c++/10/bits/regex.h:1131:5: 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>&)'
1131 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1131:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
50 | if(a[i] == y) break;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from events.cpp:1:
/usr/include/c++/10/bits/regex.h:1206:5: 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>&)'
1206 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1206:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
50 | if(a[i] == y) break;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from events.cpp:1:
/usr/include/c++/10/bits/regex.h:1298:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
1298 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1298:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
50 | if(a[i] == y) break;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from events.cpp:1:
/usr/include/c++/10/bits/regex.h:1373:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1373 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1373:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
50 | if(a[i] == y) break;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from events.cpp:1:
/usr/include/c++/10/bits/regex.h:1466:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
1466 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1466:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
50 | if(a[i] == y) break;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from events.cpp:1:
/usr/include/c++/10/bits/regex.h:1545:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1545 | operator==(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1545:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
50 | if(a[i] == y) break;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from events.cpp:1:
/usr/include/c++/10/bits/regex.h:2101:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const std::__cxx11::match_results<_BiIter, _Alloc>&, const std::__cxx11::match_results<_BiIter, _Alloc>&)'
2101 | operator==(const match_results<_Bi_iter, _Alloc>& __m1,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:2101:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>'
50 | if(a[i] == y) break;
| ^
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 events.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:466:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
466 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:466:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::pair<_T1, _T2>'
50 | if(a[i] == y) break;
| ^
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 events.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:360:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
360 | operator==(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:360:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::reverse_iterator<_Iterator>'
50 | if(a[i] == y) break;
| ^
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 events.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:398:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
398 | operator==(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:398:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::reverse_iterator<_Iterator>'
50 | if(a[i] == y) break;
| ^
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 events.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1427:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1427 | operator==(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1427:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::move_iterator<_IteratorL>'
50 | if(a[i] == y) break;
| ^
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 events.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1495:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1495 | operator==(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1495:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::move_iterator<_IteratorL>'
50 | if(a[i] == y) break;
| ^
In file included from /usr/include/c++/10/iosfwd:40,
from /usr/include/c++/10/ios:38,
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 events.cpp:1:
/usr/include/c++/10/bits/postypes.h:222:5: note: candidate: 'template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)'
222 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/postypes.h:222:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::fpos<_StateT>'
50 | if(a[i] == y) break;
| ^
In file included from /usr/include/c++/10/string:41,
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 events.cpp:1:
/usr/include/c++/10/bits/allocator.h:206:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)'
206 | operator==(const allocator<_T1>&, const allocator<_T2>&)
| ^~~~~~~~
/usr/include/c++/10/bits/allocator.h:206:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'const std::allocator<_CharT>'
50 | if(a[i] == y) break;
| ^
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 events.cpp:1:
/usr/include/c++/10/string_view:490:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
490 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:490:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'std::basic_string_view<_CharT, _Traits>'
50 | if(a[i] == y) break;
| ^
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 events.cpp:1:
/usr/include/c++/10/string_view:496:5: 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> >)'
496 | operator==(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:496:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'std::basic_string_view<_CharT, _Traits>'
50 | if(a[i] == y) break;
| ^
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 events.cpp:1:
/usr/include/c++/10/string_view:519:5: 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>)'
519 | operator==(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:519:5: note: template argument deduction/substitution failed:
events.cpp:50:20: note: 'range' is not derived from 'std::basic_string_view<_CharT, _Traits>'
50 | if(a[i] == y) break;
|