| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 362035 | dolphingarlic | Necklace (Subtask 4) (BOI19_necklace4) | 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>
typedef long long ll;
using namespace std;
int p1[6002], p2[6002];
void fill_p(string s, int *p) {
for (int i = 1; i < s.size(); i++) {
int j = p[i - 1];
while (j && s[i] != s[j]) j = p[j - 1];
if (s[i] == s[j]) j++;
p[i] = j;
}
}
tuple<int, int, int> solve(string s, string t, bool rev) {
int n = s.size(), m = t.size();
tuple<int, int, int> ans = {0, 0, 0};
for (int i = 0; i < n; i++) {
string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
reverse(s1.begin(), s1.end());
string t1 = t, t2 = t;
reverse(t2.begin(), t2.end());
fill_p(s1 + "#" + t1, p1), fill_p(s2 + "#" + t2, p2);
for (int j = 1; j <= m; j++)
ans = max(ans, {
p1[i + j] + p2[n + m - i - j],
i - p1[i + j],
rev ? m - j - p2[n + m - i - j] : j - p1[i + j]
});
}
return ans;
}
int main() {
cin.tie(0)->sync_with_stdio(0);
string s, t;
cin >> s >> t;
tuple<int, int, int> ans = solve(s, t, false);
reverse(t.begin(), t.end());
ans = max(ans, solve(s, t, true));
cout << get<0>(ans) << '\n' << get<1>(ans) << ' ' << get<2>(ans);
return 0;
}
Compilation message (stderr)
necklace.cpp: In function 'void fill_p(std::string, int*)':
necklace.cpp:8:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
8 | for (int i = 1; i < s.size(); i++) {
| ~~^~~~~~~~~~
necklace.cpp: In function 'std::tuple<int, int, int> solve(std::string, std::string, bool)':
necklace.cpp:20:51: error: no match for 'operator-' (operand types are 'std::__cxx11::basic_string<char>' and 'int')
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ~~~~~~~~~~~~~~ ^ ~
| | |
| | int
| std::__cxx11::basic_string<char>
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 necklace.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:415:5: note: candidate: 'template<class _IteratorL, class _IteratorR> decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
415 | operator-(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:415:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::reverse_iterator<_Iterator>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
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 necklace.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:1212:5: note: candidate: 'template<class _IteratorL, class _IteratorR> decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1212 | operator-(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:1212:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::move_iterator<_IteratorL>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from necklace.cpp:1:
/usr/include/c++/9/complex:357:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const std::complex<_Tp>&)'
357 | operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
| ^~~~~~~~
/usr/include/c++/9/complex:357:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::complex<_Tp>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from necklace.cpp:1:
/usr/include/c++/9/complex:366:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const _Tp&)'
366 | operator-(const complex<_Tp>& __x, const _Tp& __y)
| ^~~~~~~~
/usr/include/c++/9/complex:366:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::complex<_Tp>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from necklace.cpp:1:
/usr/include/c++/9/complex:375:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const std::complex<_Tp>&)'
375 | operator-(const _Tp& __x, const complex<_Tp>& __y)
| ^~~~~~~~
/usr/include/c++/9/complex:375:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: mismatched types 'const std::complex<_Tp>' and 'int'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
from necklace.cpp:1:
/usr/include/c++/9/complex:452:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const std::complex<_Tp>&)'
452 | operator-(const complex<_Tp>& __x)
| ^~~~~~~~
/usr/include/c++/9/complex:452:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::complex<_Tp>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/c++/9/deque:67,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:68,
from necklace.cpp:1:
/usr/include/c++/9/bits/stl_deque.h:370:5: note: candidate: 'template<class _Tp, class _Ref, class _Ptr> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _Ref, _Ptr>&)'
370 | operator-(const _Deque_iterator<_Tp, _Ref, _Ptr>& __x,
| ^~~~~~~~
/usr/include/c++/9/bits/stl_deque.h:370:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/c++/9/deque:67,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:68,
from necklace.cpp:1:
/usr/include/c++/9/bits/stl_deque.h:382:5: note: candidate: 'template<class _Tp, class _RefL, class _PtrL, class _RefR, class _PtrR> typename std::_Deque_iterator<_Tp, _Ref, _Ptr>::difference_type std::operator-(const std::_Deque_iterator<_Tp, _Ref, _Ptr>&, const std::_Deque_iterator<_Tp, _RefR, _PtrR>&)'
382 | operator-(const _Deque_iterator<_Tp, _RefL, _PtrL>& __x,
| ^~~~~~~~
/usr/include/c++/9/bits/stl_deque.h:382:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::_Deque_iterator<_Tp, _Ref, _Ptr>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/c++/9/vector:68,
from /usr/include/c++/9/queue:61,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:86,
from necklace.cpp:1:
/usr/include/c++/9/bits/stl_bvector.h:214:3: note: candidate: 'std::ptrdiff_t std::operator-(const std::_Bit_iterator_base&, const std::_Bit_iterator_base&)'
214 | operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
| ^~~~~~~~
/usr/include/c++/9/bits/stl_bvector.h:214:39: note: no known conversion for argument 1 from 'std::__cxx11::basic_string<char>' to 'const std::_Bit_iterator_base&'
214 | operator-(const _Bit_iterator_base& __x, const _Bit_iterator_base& __y)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/9/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:95,
from necklace.cpp:1:
/usr/include/c++/9/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/c++/9/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:95,
from necklace.cpp:1:
/usr/include/c++/9/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/c++/9/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:95,
from necklace.cpp:1:
/usr/include/c++/9/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/c++/9/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:95,
from necklace.cpp:1:
/usr/include/c++/9/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/c++/9/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:95,
from necklace.cpp:1:
/usr/include/c++/9/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'int'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:95,
from necklace.cpp:1:
/usr/include/c++/9/valarray:1186:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const std::valarray<_Tp>&)'
1186 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/valarray:1186:1: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::valarray<_Tp>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:95,
from necklace.cpp:1:
/usr/include/c++/9/valarray:1186:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)'
1186 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/valarray:1186:1: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const std::valarray<_Tp>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:95,
from necklace.cpp:1:
/usr/include/c++/9/valarray:1186:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)'
1186 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/valarray:1186:1: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: mismatched types 'const std::valarray<_Tp>' and 'int'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
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 necklace.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:977:5: note: candidate: 'template<class _IteratorL, class _IteratorR, class _Container> decltype ((__lhs.base() - __rhs.base())) __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)'
977 | operator-(const __normal_iterator<_IteratorL, _Container>& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:977:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^
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 necklace.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:989:5: note: candidate: 'template<class _Iterator, class _Container> typename __gnu_cxx::__normal_iterator<_Iterator, _Container>::difference_type __gnu_cxx::operator-(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)'
989 | operator-(const __normal_iterator<_Iterator, _Container>& __lhs,
| ^~~~~~~~
/usr/include/c++/9/bits/stl_iterator.h:989:5: note: template argument deduction/substitution failed:
necklace.cpp:20:53: note: 'std::__cxx11::basic_string<char>' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
20 | string s1 = s.substr(0, i), s2 = s.substr(i, n) - i);
| ^