# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
228518 | chctxdy68 | Combo (IOI18_combo) | 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 <combo.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define ll long long
#define ull unsigned long long
#define ld long double
#define pii pair <int, int>
#define pll pair <ll, ll>
#define pci pair <char, int>
#define pld pair <ld, ld>
#define ppld pair <pld, pld>
#define ppll pair <pll, pll>
#define pldl pair <ld, ll>
#define vll vector <ll>
#define vvll vector <vll>
#define vpll vector <pll>
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define fi first
#define se second
#define mll map <ll, ll>
#define fastmap gp_hash_table
#define cd complex <double>
#define vcd vector <cd>
#define PI 3.14159265358979
#define ordered_set tree <ll, null_type, less <ll>, rb_tree_tag, tree_order_statistics_node_update>
#pragma 03
using namespace std;
using namespace __gnu_pbds;
char cc[] = {'A', 'B', 'X', 'Y'};
bool marked[4];
string guess_sequence(int n){
char f;
if (press("AB") == 0){
if (press("X") == 0) f = 'Y';
else f = 'X';
}
else{
if (press("A") == 0) f = 'B';
else f = 'A';
}
for (ll i = 0; i < 4; i++){
if (cc[i] == f) marked[i] = 1;
}
string prefix; prefix.pb(f);
char b = '?', x = '?';
for (ll i = 0; i < 4; i++){
if (!marked[i]){
if (b == '?') b = cc[i];
else x = cc[i];
}
}
for (ll i = 1; i < n - 1; i++){
string q;
string qb = prefix; qb.pb(b);
for (ll j = 0; j < 4; j++){
if (!marked[j]){
q += qb; q.pb(cc[j]);
}
}
q += prefix; q.pb(x);
if (q > 4 * n) exit(-1);
ll cnt = press(q);
if (cnt == prefix.length() + 2) prefix.pb(b);
else if (cnt == prefix.length() + 1) prefix.pb(x);
else{
for (ll j = 0; j < 4; j++){
if ((!marked[j]) && (cc[j] != b) && (cc[j] != x)) prefix.pb(cc[j]);
}
}
}
string q = prefix; q.pb('A'); q += prefix; q.pb('B');
if (press(q) > prefix.length()){
q = prefix; q.pb('A');
if (press(q) > prefix.length()) prefix.pb('A');
else prefix.pb('B');
}
else{
q = prefix; q.pb('X');
if (press(q) > prefix.length()) prefix.pb('X');
else prefix.pb('Y');
}
return prefix;
}
Compilation message (stderr)
combo.cpp:30: warning: ignoring '#pragma 03 ' [-Wunknown-pragmas] 30 | #pragma 03 | combo.cpp: In function 'std::string guess_sequence(int)': combo.cpp:65:9: error: no match for 'operator>' (operand types are 'std::string' {aka 'std::__cxx11::basic_string<char>'} and 'int') 65 | if (q > 4 * n) exit(-1); | ~ ^ ~~~~~ | | | | | int | std::string {aka std::__cxx11::basic_string<char>} In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1108:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)' 1108 | operator>(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1108:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1168:5: 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>&)' 1168 | operator>(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1168:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1261:5: 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>&)' 1261 | operator>(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1261:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1335:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)' 1335 | operator>(typename iterator_traits<_Bi_iter>::value_type const* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1335:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1429:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' 1429 | operator>(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1429:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1505:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)' 1505 | operator>(typename iterator_traits<_Bi_iter>::value_type const& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1505:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from combo.cpp:1: /usr/include/c++/10/bits/regex.h:1605:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' 1605 | operator>(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1605:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, 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 combo.cpp:1: /usr/include/c++/10/bits/stl_pair.h:502:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator>(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)' 502 | operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:502:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::pair<_T1, _T2>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, 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 combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:378:5: note: candidate: 'template<class _Iterator> bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)' 378 | operator>(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:378:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, 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 combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:416:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)' 416 | operator>(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:416:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::reverse_iterator<_Iterator>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, 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 combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1469:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)' 1469 | operator>(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1469:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/bits/char_traits.h:39, from /usr/include/c++/10/ios:40, 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 combo.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1519:5: note: candidate: 'template<class _Iterator> bool std::operator>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)' 1519 | operator>(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1519:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::move_iterator<_IteratorL>' 65 | if (q > 4 * n) exit(-1); | ^ 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 combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6305:5: 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>&)' 6305 | operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6305:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int' 65 | if (q > 4 * n) exit(-1); | ^ 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 combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6318:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)' 6318 | operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6318:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: mismatched types 'const _CharT*' and 'int' 65 | if (q > 4 * n) exit(-1); | ^ 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 combo.cpp:1: /usr/include/c++/10/bits/basic_string.h:6330:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)' 6330 | operator>(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6330:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: mismatched types 'const _CharT*' and 'std::__cxx11::basic_string<char>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/deque:67, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:68, from combo.cpp:1: /usr/include/c++/10/bits/stl_deque.h:2292:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator>(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)' 2292 | operator>(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_deque.h:2292:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::deque<_Tp, _Alloc>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/tuple:39, from /usr/include/c++/10/functional:54, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71, from combo.cpp:1: /usr/include/c++/10/array:293:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> bool std::operator>(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)' 293 | operator>(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two) | ^~~~~~~~ /usr/include/c++/10/array:293:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::array<_Tp, _Nm>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/functional:54, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71, from combo.cpp:1: /usr/include/c++/10/tuple:1454:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator>(const std::tuple<_Tps ...>&, const std::tuple<_Elements ...>&)' 1454 | operator>(const tuple<_TElements...>& __t, | ^~~~~~~~ /usr/include/c++/10/tuple:1454:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::tuple<_Tps ...>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/bits/locale_conv.h:41, from /usr/include/c++/10/locale:43, from /usr/include/c++/10/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from combo.cpp:1: /usr/include/c++/10/bits/unique_ptr.h:846:5: note: candidate: 'template<class _Tp, class _Dp, class _Up, class _Ep> bool std::operator>(const std::unique_ptr<_Tp, _Dp>&, const std::unique_ptr<_Up, _Ep>&)' 846 | operator>(const unique_ptr<_Tp, _Dp>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/unique_ptr.h:846:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::unique_ptr<_Tp, _Dp>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/bits/locale_conv.h:41, from /usr/include/c++/10/locale:43, from /usr/include/c++/10/iomanip:43, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72, from combo.cpp:1: /usr/include/c++/10/bits/unique_ptr.h:853:5: note: candidate: 'template<class _Tp, class _Dp> bool std::operator>(const std::unique_ptr<_Tp, _Dp>&, std::nullptr_t)' 853 | operator>(const unique_ptr<_Tp, _Dp>& __x, nullptr_t) | ^~~~~~~~ /usr/include/c++/10/bits/unique_ptr.h:853:5: note: template argument deduction/substitution failed: combo.cpp:65:15: note: 'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::unique_ptr<_Tp, _Dp>' 65 | if (q > 4 * n) exit(-1); | ^ In file included from /usr/include/c++/10/bits/locale_conv.h:41, from /usr/include/c++/10