| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 769430 | raysh07 | A Difficult(y) Choice (BOI21_books) | C++17 | 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>
#include "books.h"
using namespace std;
//
// --- Sample implementation for the task books ---
//
// To compile this program with the sample grader, place:
// books.h books_sample.cpp sample_grader.cpp
// in a single folder and run:
// g++ books_sample.cpp sample_grader.cpp
// in this folder.
//
void solve(int n, int k, long long a, int useless) {
// // TODO implement this function
// if (skim(2) == 42) {
// impossible();
// } else {
// answer({1, 3});
// }
vector <long long> a(n + 1, -1);
long long sum = 0;
for (int i = 1; i < k; i++) a[i] = skim(i), sum += a[i];
int l = k, r = n + 1;
while (l != r){
int mid = (l + r)/2;
long long x = skim(mid);
if (sum + x >= a) r = mid;
else l = mid + 1;
}
if (l <= n && sum + skim(l) <= 2 * a){
vector <int> ans;
for (int i = 1; i < k; i++) ans.push_back(i);
ans.push_back(l);
answer(ans);
return;
}
l--;
set <pair<long long, int>> st;
for (int i = 1; i < k; i++) st.insert({a[i], i});
for (int i = l; i > l - k; i--){
if (i <= 0) continue;
a[i] = skim(i);
st.insert({a[i], i});
}
vector <pair<long long, int>> ok;
for (auto x : st) ok.push_back(x);
int sz = ok.size();
for (int i = 0; i < (1 << sz); i++){
int cnt = 0;
long long sum1 = 0;
for (int j = 0; j < sz; j++){
if (i >> j & 1){
cnt++;
sum1 += ok[j].first;
}
}
if (cnt != k) continue;
if (sum1 >= a && sum1 <= 2 * a) {
vector <int> ans;
for (int j = 0; j < sz; j++){
if (i >> j & 1) ans.push_back(ok[j].second);
}
answer(ans);
return;
}
}
impossible();
}
Compilation message (stderr)
books.cpp: In function 'void solve(int, int, long long int, int)':
books.cpp:23:24: error: declaration of 'std::vector<long long int> a' shadows a parameter
23 | vector <long long> a(n + 1, -1);
| ^
books.cpp:15:36: note: 'long long int a' previously declared here
15 | void solve(int n, int k, long long a, int useless) {
| ~~~~~~~~~~^
books.cpp:32:21: error: no match for 'operator>=' (operand types are 'long long int' and 'std::vector<long long int>')
32 | if (sum + x >= a) r = mid;
| ~~~~~~~ ^~ ~
| | |
| | std::vector<long long int>
| long long int
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from books.cpp:1:
/usr/include/c++/10/bits/regex.h:1097:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator>=(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
1097 | operator>=(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1097:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from books.cpp:1:
/usr/include/c++/10/bits/regex.h:1180:5: 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>&)'
1180 | operator>=(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1180:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from books.cpp:1:
/usr/include/c++/10/bits/regex.h:1273:5: 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>&)'
1273 | operator>=(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1273:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from books.cpp:1:
/usr/include/c++/10/bits/regex.h:1347:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>=(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
1347 | operator>=(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1347:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: 'std::vector<long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
32 | if (sum + x >= a) r = mid;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from books.cpp:1:
/usr/include/c++/10/bits/regex.h:1441:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1441 | operator>=(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1441:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from books.cpp:1:
/usr/include/c++/10/bits/regex.h:1518:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>=(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
1518 | operator>=(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1518:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: 'std::vector<long long int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
32 | if (sum + x >= a) r = mid;
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from books.cpp:1:
/usr/include/c++/10/bits/regex.h:1618:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>=(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1618 | operator>=(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1618:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
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 books.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:514:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator>=(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
514 | operator>=(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:514:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const std::pair<_T1, _T2>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
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 books.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:390:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
390 | operator>=(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:390:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
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 books.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:428:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>=(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
428 | operator>=(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:428:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
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 books.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1478:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1478 | operator>=(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1478:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
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 books.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1525:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>=(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1525 | operator>=(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1525:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
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 books.cpp:1:
/usr/include/c++/10/string_view:601:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>=(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
601 | operator>=(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:601:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
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 books.cpp:1:
/usr/include/c++/10/string_view:607:5: 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> >)'
607 | operator>=(basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:607:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
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 books.cpp:1:
/usr/include/c++/10/string_view:614:5: 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>)'
614 | operator>=(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:614:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: 'std::vector<long long int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
32 | if (sum + x >= a) r = mid;
| ^
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 books.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6381:5: 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>&)'
6381 | operator>=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6381:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
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 books.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6394:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>=(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
6394 | operator>=(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6394:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
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 books.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6406:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>=(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
6406 | operator>=(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6406:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const _CharT*' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
In file included from /usr/include/c++/10/tuple:39,
from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from books.cpp:1:
/usr/include/c++/10/array:305:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> bool std::operator>=(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)'
305 | operator>=(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two)
| ^~~~~~~~
/usr/include/c++/10/array:305:5: note: template argument deduction/substitution failed:
books.cpp:32:24: note: mismatched types 'const std::array<_Tp, _Nm>' and 'long long int'
32 | if (sum + x >= a) r = mid;
| ^
In file included from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,