| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 395728 | 2021-04-28T20:03:21 Z | Victor | Library (JOI18_library) | C++17 | Compilation error |
0 ms | 0 KB |
#include "library.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i, a, b) for (int i = a; i < (b); ++i)
#define per(i, a, b) for (int i = b - 1; i >= (a); --i)
#define trav(a, x) for (auto& a : x)
#define all(x) x.begin(), x.end()
#define sz(x) x.size()
#define pb push_back
#define umap unordered_map
#define uset unordered_set
typedef pair<int, int> ii;
typedef pair<int, ii> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<vi> vvi;
typedef long long ll;
const int INF = 1000000007;
vi dummy;
int book = 0;
uset<int> queried;
int binsearch(vi books) {
vi qvec = dummy;
qvec[book] = 1;
if (sz(books) == 1) {
qvec[books[0]] = 1;
if (Query(qvec) != 1)
return -1;
else
return books[0];
}
int take = sz(books) >> 1;
rep(i, 0, take) qvec[books[i]] = 1;
int moves = Query(qvec);
qvec[book] = 0;
vi nbooks;
if (Query(qvec) < moves)
rep(i, take, sz(books)) nbooks.push_back(books[i]);
else
rep(i, 0, take) nbooks.push_back(books[i]);
return binsearch(nbooks);
}
void Solve(int n) {
dummy.resize(n);
vi ans(n);
int rgt[n];
memset(rgt, -1, sizeof(rgt));
while (book != -1 && sz(queried) + 1 != n) {
queried.insert(book);
vi vec;
rep(i, 0, n) if (!queried.count(i)) vec.push_back(i);
int next = binsearch(vec);
rgt[book] = next;
book = next;
}
book = 0;
while (book != -1 && sz(queried) + 1 != n) {
queried.insert(book);
vi vec;
rep(i, 0, n) if (!queried.count(i)) vec.push_back(i);
int next = binsearch(vec);
rgt[next] = book;
book = next;
}
assert(sz(queried+1==n));
int cnt = 1;
rep(i, 0, n) {
ans[i] = book + 1;
book = rgt[book];
}
Answer(ans);
}
Compilation message
library.cpp: In function 'int binsearch(vi)':
library.cpp:7:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
7 | #define rep(i, a, b) for (int i = a; i < (b); ++i)
| ^
library.cpp:52:9: note: in expansion of macro 'rep'
52 | rep(i, take, sz(books)) nbooks.push_back(books[i]);
| ^~~
library.cpp: In function 'void Solve(int)':
library.cpp:66:42: warning: comparison of integer expressions of different signedness: 'std::unordered_set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
66 | while (book != -1 && sz(queried) + 1 != n) {
| ^
library.cpp:78:42: warning: comparison of integer expressions of different signedness: 'std::unordered_set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
78 | while (book != -1 && sz(queried) + 1 != n) {
| ^
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from library.cpp:3:
library.cpp:89:22: error: no match for 'operator+' (operand types are 'std::unordered_set<int>' and 'int')
89 | assert(sz(queried+1==n));
| ~~~~~~~^~
| | |
| | int
| std::unordered_set<int>
library.cpp:89:12: note: in expansion of macro 'sz'
89 | assert(sz(queried+1==n));
| ^~
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
from /usr/include/c++/9/vector:60,
from library.h:1,
from library.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:423:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_Iterator> std::operator+(typename std::reverse_iterator<_Iterator>::difference_type, const std::reverse_iterator<_Iterator>&)'
423 | operator+(typename reverse_iterator<_Iterator>::difference_type __n,
| ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:423:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from library.cpp:3:
library.cpp:89:23: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
89 | assert(sz(queried+1==n));
| ^
library.cpp:89:12: note: in expansion of macro 'sz'
89 | assert(sz(queried+1==n));
| ^~
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
from /usr/include/c++/9/vector:60,
from library.h:1,
from library.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:1219:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename std::move_iterator<_IteratorL>::difference_type, const std::move_iterator<_IteratorL>&)'
1219 | operator+(typename move_iterator<_Iterator>::difference_type __n,
| ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:1219:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from library.cpp:3:
library.cpp:89:23: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
89 | assert(sz(queried+1==n));
| ^
library.cpp:89:12: note: in expansion of macro 'sz'
89 | assert(sz(queried+1==n));
| ^~
In file included from /usr/include/c++/9/vector:68,
from library.h:1,
from library.cpp:1:
/usr/include/c++/9/bits/stl_bvector.h:303:3: note: candidate: 'std::_Bit_iterator std::operator+(std::ptrdiff_t, const std::_Bit_iterator&)'
303 | operator+(ptrdiff_t __n, const _Bit_iterator& __x)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_bvector.h:303:23: note: no known conversion for argument 1 from 'std::unordered_set<int>' to 'std::ptrdiff_t' {aka 'long int'}
303 | operator+(ptrdiff_t __n, const _Bit_iterator& __x)
| ~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_bvector.h:393:3: note: candidate: 'std::_Bit_const_iterator std::operator+(std::ptrdiff_t, const std::_Bit_const_iterator&)'
393 | operator+(ptrdiff_t __n, const _Bit_const_iterator& __x)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_bvector.h:393:23: note: no known conversion for argument 1 from 'std::unordered_set<int>' to 'std::ptrdiff_t' {aka 'long int'}
393 | operator+(ptrdiff_t __n, const _Bit_const_iterator& __x)
| ~~~~~~~~~~^~~
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from library.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6020:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
6020 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6020:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from library.cpp:3:
library.cpp:89:23: note: 'std::unordered_set<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
89 | assert(sz(queried+1==n));
| ^
library.cpp:89:12: note: in expansion of macro 'sz'
89 | assert(sz(queried+1==n));
| ^~
In file included from /usr/include/c++/9/string:56,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from library.cpp:3:
/usr/include/c++/9/bits/basic_string.tcc:1158:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
1158 | operator+(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/basic_string.tcc:1158:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from library.cpp:3:
library.cpp:89:23: note: mismatched types 'const _CharT*' and 'std::unordered_set<int>'
89 | assert(sz(queried+1==n));
| ^
library.cpp:89:12: note: in expansion of macro 'sz'
89 | assert(sz(queried+1==n));
| ^~
In file included from /usr/include/c++/9/string:56,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from library.cpp:3:
/usr/include/c++/9/bits/basic_string.tcc:1174:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
1174 | operator+(_CharT __lhs, const basic_string<_CharT, _Traits, _Alloc>& __rhs)
| ^~~~~~~~
/usr/include/c++/9/bits/basic_string.tcc:1174:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from library.cpp:3:
library.cpp:89:23: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
89 | assert(sz(queried+1==n));
| ^
library.cpp:89:12: note: in expansion of macro 'sz'
89 | assert(sz(queried+1==n));
| ^~
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from library.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6057:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
6057 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6057:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from library.cpp:3:
library.cpp:89:23: note: 'std::unordered_set<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
89 | assert(sz(queried+1==n));
| ^
library.cpp:89:12: note: in expansion of macro 'sz'
89 | assert(sz(queried+1==n));
| ^~
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from library.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6073:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)'
6073 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
| ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6073:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from library.cpp:3:
library.cpp:89:23: note: 'std::unordered_set<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
89 | assert(sz(queried+1==n));
| ^
library.cpp:89:12: note: in expansion of macro 'sz'
89 | assert(sz(queried+1==n));
| ^~
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from library.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6085:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
6085 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6085:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from library.cpp:3:
library.cpp:89:23: note: 'std::unordered_set<int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
89 | assert(sz(queried+1==n));
| ^
library.cpp:89:12: note: in expansion of macro 'sz'
89 | assert(sz(queried+1==n));
| ^~
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from library.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6091:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
6091 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6091:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from library.cpp:3:
library.cpp:89:23: note: 'std::unordered_set<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
89 | assert(sz(queried+1==n));
| ^
library.cpp:89:12: note: in expansion of macro 'sz'
89 | assert(sz(queried+1==n));
| ^~
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from library.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6097:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
6097 | operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6097:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from library.cpp:3:
library.cpp:89:23: note: 'std::unordered_set<int>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
89 | assert(sz(queried+1==n));
| ^
library.cpp:89:12: note: in expansion of macro 'sz'
89 | assert(sz(queried+1==n));
| ^~
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/istream:38,
from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from library.cpp:3:
/usr/include/c++/9/bits/basic_string.h:6109:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
6109 | operator+(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6109:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/cassert:44,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
from library.cpp:3:
library.cpp:89:23: note: mismatched types 'const _CharT*' and 'std::unordered_set<int>'
89 | assert(sz(queried+1==n));
| ^
library.cpp:89:12: note: in expansion of macro 'sz'
89 | assert(sz(queried+1==n));