# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
316107 | MrDomino | The Big Prize (IOI17_prize) | C++14 | 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 "prize.h"
using namespace std;
mt19937 rng((long long) (new char));
const int N = 200000 + 7;
vector<int> ret[N];
vector<int> get(int pos) {
if (ret[pos].empty()) {
ret[pos] = ask(pos);
}
return ret[pos];
}
int rn(int l, int r) {
return l + rng() % (r - l + 1);
}
int rep(int l, int r) {
if (l > r) {
return 0;
}
int m = (l + r) / 2;
vector<int> v = get(m);
if (v[0] == 0 && v[1] == 0) {
return m;
}
if (v[0] == 0) {
return rep(m + 1, r);
}
if (v[1] == 0) {
return rep(l, m - 1);
}
if (v[0] > v[1]) {
int x = rep(l, m - 1);
if (x) {
return x;
} else {
return rep(m + 1, r);
}
} else {
int x = rep(m + 1, r);
if (x) {
return x;
} else {
return rep(l, m - 1);
}
}
}
int find_best(int n) {
vector<int> bucket(n);
int r = sqrt(n);
for (int i = 0; i < n; i++) {
bucket[i] = i / r;
}
vector<pair<int, int>> buckets;
int l = 0;
while (l < n) {
int r = l;
while (r + 1 < n && bucket[l] == bucket[r + 1]) {
r++;
}
buckets.push_back({l, r});
l = r + 1;
}
shuffle(buckets.begin(), buckets.end(), rng);
for (auto &it : buckets) {
int l = it.first;
int r = it.second;
if (get(l) == 0) {
return l;
}
if (get(r) == 0) {
return r;
}
if (get(l) != get(r)) {
int x = rep(l, r);
if (x) {
return x;
}
}
}
assert(0);
}
Compilation message (stderr)
prize.cpp: In function 'int find_best(int)': prize.cpp:74:16: error: no match for 'operator==' (operand types are 'std::vector<int>' and 'int') 74 | if (get(l) == 0) { | ~~~~~~ ^~ ~ | | | | | int | std::vector<int> In file included from /usr/include/c++/9/regex:62, from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110, from prize.cpp:1: /usr/include/c++/9/bits/regex.h:1026:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)' 1026 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) | ^~~~~~~~ /usr/include/c++/9/bits/regex.h:1026:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/regex:62, from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110, from prize.cpp:1: /usr/include/c++/9/bits/regex.h:1099:5: 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>&)' 1099 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/9/bits/regex.h:1099:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/regex:62, from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110, from prize.cpp:1: /usr/include/c++/9/bits/regex.h:1173:5: 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>&)' 1173 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/9/bits/regex.h:1173:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/regex:62, from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110, from prize.cpp:1: /usr/include/c++/9/bits/regex.h:1247:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)' 1247 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs, | ^~~~~~~~ /usr/include/c++/9/bits/regex.h:1247:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/regex:62, from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110, from prize.cpp:1: /usr/include/c++/9/bits/regex.h:1321:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' 1321 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/9/bits/regex.h:1321:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/regex:62, from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110, from prize.cpp:1: /usr/include/c++/9/bits/regex.h:1395:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)' 1395 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs, | ^~~~~~~~ /usr/include/c++/9/bits/regex.h:1395:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/regex:62, from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110, from prize.cpp:1: /usr/include/c++/9/bits/regex.h:1473:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' 1473 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/9/bits/regex.h:1473:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/regex:62, from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:110, from prize.cpp:1: /usr/include/c++/9/bits/regex.h:1991:5: 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>&)' 1991 | operator==(const match_results<_Bi_iter, _Alloc>& __m1, | ^~~~~~~~ /usr/include/c++/9/bits/regex.h:1991:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::__cxx11::match_results<_BiIter, _Alloc>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/iosfwd:40, from /usr/include/c++/9/ios:38, 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 prize.cpp:1: /usr/include/c++/9/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++/9/bits/postypes.h:222:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::fpos<_StateT>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/bits/stl_algobase.h:64, from /usr/include/c++/9/bits/char_traits.h:39, from /usr/include/c++/9/ios:40, 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 prize.cpp:1: /usr/include/c++/9/bits/stl_pair.h:448:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)' 448 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/9/bits/stl_pair.h:448:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::pair<_T1, _T2>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/bits/stl_algobase.h:67, from /usr/include/c++/9/bits/char_traits.h:39, from /usr/include/c++/9/ios:40, 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 prize.cpp:1: /usr/include/c++/9/bits/stl_iterator.h:325:5: note: candidate: 'template<class _Iterator> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)' 325 | operator==(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/9/bits/stl_iterator.h:325:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/bits/stl_algobase.h:67, from /usr/include/c++/9/bits/char_traits.h:39, from /usr/include/c++/9/ios:40, 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 prize.cpp:1: /usr/include/c++/9/bits/stl_iterator.h:363:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)' 363 | operator==(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/9/bits/stl_iterator.h:363:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/bits/stl_algobase.h:67, from /usr/include/c++/9/bits/char_traits.h:39, from /usr/include/c++/9/ios:40, 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 prize.cpp:1: /usr/include/c++/9/bits/stl_iterator.h:1139:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)' 1139 | operator==(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/9/bits/stl_iterator.h:1139:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/bits/stl_algobase.h:67, from /usr/include/c++/9/bits/char_traits.h:39, from /usr/include/c++/9/ios:40, 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 prize.cpp:1: /usr/include/c++/9/bits/stl_iterator.h:1145:5: note: candidate: 'template<class _Iterator> bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)' 1145 | operator==(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/9/bits/stl_iterator.h:1145:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/string:41, 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 prize.cpp:1: /usr/include/c++/9/bits/allocator.h:168:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const std::allocator<_CharT>&, const std::allocator<_T2>&)' 168 | operator==(const allocator<_T1>&, const allocator<_T2>&) | ^~~~~~~~ /usr/include/c++/9/bits/allocator.h:168:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::allocator<_CharT>' 74 | if (get(l) == 0) { | ^ 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 prize.cpp:1: /usr/include/c++/9/bits/basic_string.h:6141:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 6141 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/9/bits/basic_string.h:6141:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' 74 | if (get(l) == 0) { | ^ 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 prize.cpp:1: /usr/include/c++/9/bits/basic_string.h:6149:5: note: candidate: 'template<class _CharT> typename __gnu_cxx::__enable_if<std::__is_char<_Tp>::__value, bool>::__type std::operator==(const std::__cxx11::basic_string<_CharT>&, const std::__cxx11::basic_string<_CharT>&)' 6149 | operator==(const basic_string<_CharT>& __lhs, | ^~~~~~~~ /usr/include/c++/9/bits/basic_string.h:6149:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT>' 74 | if (get(l) == 0) { | ^ 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 prize.cpp:1: /usr/include/c++/9/bits/basic_string.h:6163:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 6163 | operator==(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/9/bits/basic_string.h:6163:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: mismatched types 'const _CharT*' and 'std::vector<int>' 74 | if (get(l) == 0) { | ^ 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 prize.cpp:1: /usr/include/c++/9/bits/basic_string.h:6175:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)' 6175 | operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/9/bits/basic_string.h:6175:5: note: template argument deduction/substitution failed: prize.cpp:74:19: note: 'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' 74 | if (get(l) == 0) { | ^ In file included from /usr/include/c++/9/bits/ios_base.h:46, 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 prize.cpp:1: /usr/include/c++/9/system_error:292:3: note: candidate: 'bool std::operator==(const std::error_code&, const std::error_code&)' 292 | operator==(const error_code& __lhs, const error_code& __rhs) noexcept | ^~~~~~~~ /usr/include/c++/9/system_error:292:32: note: no known conver