| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 170665 | mdn2002 | Watching (JOI13_watching) | 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>
using namespace std;
const long long mod=998244353;
long long n,a,b,sum,c[2003],dp[2050][2050];
long long f(int x,int y,long long z)
{
if(y>a)return 1e6;
if(x==n)return 0;
if(dp[x][y]!=-1)return dp[x][y];
long long mx=1e6;
for(int i=x;i<n;i++)
{
if(c[i]-c[x]+1>z*2)break;
if(c[i]-c[x]+1<=z)mx=min(mx,f(i+1,y+1,z));
else mx=min(mx,f(i+1,y,z)+1);
}
return dp[x][y]=mx;
}
bool ck(long long x)
{
memset(dp,-1,sizeof dp);
if(f(0,0,x)<=b)return 1;
else return 0;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
//freopen(".in","r",stdin);
//freopen(".out","w",stdout);
cin>>n>>a>>b;
for(int i=0;i<n;i++)cin>>c[i];
long long l=1,r=1e9+1,mid;
sort(c,c+n);
while(l<r)
{
mid=(l+r)/2;
if(ck(mid))r=mid;
else l=mid+1;
}
cout<r;
}
Compilation message (stderr)
watching.cpp: In function 'int main()':
watching.cpp:42:9: error: no match for 'operator<' (operand types are 'std::ostream {aka std::basic_ostream<char>}' and 'long long int')
cout<r;
~~~~^~
watching.cpp:42:9: note: candidate: operator<(int, long long int) <built-in>
watching.cpp:42:9: note: no known conversion for argument 1 from 'std::ostream {aka std::basic_ostream<char>}' to 'int'
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from watching.cpp:1:
/usr/include/c++/7/bits/regex.h:962:5: note: candidate: template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)
operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
^~~~~~~~
/usr/include/c++/7/bits/regex.h:962:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
cout<r;
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from watching.cpp:1:
/usr/include/c++/7/bits/regex.h:1041:5: 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>&)
operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1041:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
cout<r;
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from watching.cpp:1:
/usr/include/c++/7/bits/regex.h:1121:5: 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>&)
operator<(const sub_match<_Bi_iter>& __lhs,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1121:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
cout<r;
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from watching.cpp:1:
/usr/include/c++/7/bits/regex.h:1198:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)
operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1198:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'long long int'
cout<r;
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from watching.cpp:1:
/usr/include/c++/7/bits/regex.h:1272:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)
operator<(const sub_match<_Bi_iter>& __lhs,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1272:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
cout<r;
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from watching.cpp:1:
/usr/include/c++/7/bits/regex.h:1349:5: note: candidate: template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)
operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1349:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'long long int'
cout<r;
^
In file included from /usr/include/c++/7/regex:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
from watching.cpp:1:
/usr/include/c++/7/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&)
operator<(const sub_match<_Bi_iter>& __lhs,
^~~~~~~~
/usr/include/c++/7/bits/regex.h:1429:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
cout<r;
^
In file included from /usr/include/c++/7/future:39:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:105,
from watching.cpp:1:
/usr/include/c++/7/thread:281:3: note: candidate: bool std::operator<(std::thread::id, std::thread::id)
operator<(thread::id __x, thread::id __y) noexcept
^~~~~~~~
/usr/include/c++/7/thread:281:3: note: no known conversion for argument 1 from 'std::ostream {aka std::basic_ostream<char>}' to 'std::thread::id'
In file included from /usr/include/c++/7/forward_list:38:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:104,
from watching.cpp:1:
/usr/include/c++/7/bits/forward_list.h:1391:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::forward_list<_Tp, _Alloc>&, const std::forward_list<_Tp, _Alloc>&)
operator<(const forward_list<_Tp, _Alloc>& __lx,
^~~~~~~~
/usr/include/c++/7/bits/forward_list.h:1391:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::forward_list<_Tp, _Alloc>'
cout<r;
^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
from watching.cpp:1:
/usr/include/c++/7/valarray:1186:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const _Tp&, const std::valarray<_Tp>&)
_DEFINE_BINARY_OPERATOR(<, __less)
^
/usr/include/c++/7/valarray:1186:1: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: mismatched types 'const std::valarray<_Tp>' and 'long long int'
cout<r;
^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
from watching.cpp:1:
/usr/include/c++/7/valarray:1186:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const _Tp&)
_DEFINE_BINARY_OPERATOR(<, __less)
^
/usr/include/c++/7/valarray:1186:1: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::valarray<_Tp>'
cout<r;
^
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
from watching.cpp:1:
/usr/include/c++/7/valarray:1186:1: note: candidate: template<class _Tp> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__less, _Tp>::result_type> std::operator<(const std::valarray<_Tp>&, const std::valarray<_Tp>&)
_DEFINE_BINARY_OPERATOR(<, __less)
^
/usr/include/c++/7/valarray:1186:1: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::valarray<_Tp>'
cout<r;
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from watching.cpp:1:
/usr/include/c++/7/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
_DEFINE_EXPR_BINARY_OPERATOR(<, __less)
^
/usr/include/c++/7/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'long long int'
cout<r;
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from watching.cpp:1:
/usr/include/c++/7/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)
_DEFINE_EXPR_BINARY_OPERATOR(<, __less)
^
/usr/include/c++/7/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
cout<r;
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from watching.cpp:1:
/usr/include/c++/7/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)
_DEFINE_EXPR_BINARY_OPERATOR(<, __less)
^
/usr/include/c++/7/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'long long int'
cout<r;
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from watching.cpp:1:
/usr/include/c++/7/bits/valarray_after.h:416:5: note: candidate: template<class _Dom> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)
_DEFINE_EXPR_BINARY_OPERATOR(<, __less)
^
/usr/include/c++/7/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
cout<r;
^
In file included from /usr/include/c++/7/valarray:592:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95,
from watching.cpp:1:
/usr/include/c++/7/bits/valarray_after.h:416:5: note: candidate: template<class _Dom1, class _Dom2> std::_Expr<std::_BinClos<std::__less, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__less, typename _Dom1::value_type>::result_type> std::operator<(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)
_DEFINE_EXPR_BINARY_OPERATOR(<, __less)
^
/usr/include/c++/7/bits/valarray_after.h:416:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
cout<r;
^
In file included from /usr/include/c++/7/stack:61:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:89,
from watching.cpp:1:
/usr/include/c++/7/bits/stl_stack.h:311:5: note: candidate: template<class _Tp, class _Seq> bool std::operator<(const std::stack<_Tp, _Seq>&, const std::stack<_Tp, _Seq>&)
operator<(const stack<_Tp, _Seq>& __x, const stack<_Tp, _Seq>& __y)
^~~~~~~~
/usr/include/c++/7/bits/stl_stack.h:311:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::stack<_Tp, _Seq>'
cout<r;
^
In file included from /usr/include/c++/7/set:62:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:87,
from watching.cpp:1:
/usr/include/c++/7/bits/stl_multiset.h:913:5: note: candidate: template<class _Key, class _Compare, class _Alloc> bool std::operator<(const std::multiset<_Key, _Compare, _Alloc>&, const std::multiset<_Key, _Compare, _Alloc>&)
operator<(const multiset<_Key, _Compare, _Alloc>& __x,
^~~~~~~~
/usr/include/c++/7/bits/stl_multiset.h:913:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::multiset<_Key, _Compare, _Alloc>'
cout<r;
^
In file included from /usr/include/c++/7/set:61:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:87,
from watching.cpp:1:
/usr/include/c++/7/bits/stl_set.h:930:5: note: candidate: template<class _Key, class _Compare, class _Alloc> bool std::operator<(const std::set<_Key, _Compare, _Alloc>&, const std::set<_Key, _Compare, _Alloc>&)
operator<(const set<_Key, _Compare, _Alloc>& __x,
^~~~~~~~
/usr/include/c++/7/bits/stl_set.h:930:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::set<_Key, _Compare, _Alloc>'
cout<r;
^
In file included from /usr/include/c++/7/queue:64:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:86,
from watching.cpp:1:
/usr/include/c++/7/bits/stl_queue.h:336:5: note: candidate: template<class _Tp, class _Seq> bool std::operator<(const std::queue<_Tp, _Seq>&, const std::queue<_Tp, _Seq>&)
operator<(const queue<_Tp, _Seq>& __x, const queue<_Tp, _Seq>& __y)
^~~~~~~~
/usr/include/c++/7/bits/stl_queue.h:336:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::queue<_Tp, _Seq>'
cout<r;
^
In file included from /usr/include/c++/7/vector:64:0,
from /usr/include/c++/7/queue:61,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:86,
from watching.cpp:1:
/usr/include/c++/7/bits/stl_vector.h:1613:5: note: candidate: template<class _Tp, class _Alloc> bool std::operator<(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)
operator<(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
^~~~~~~~
/usr/include/c++/7/bits/stl_vector.h:1613:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::vector<_Tp, _Alloc>'
cout<r;
^
In file included from /usr/include/c++/7/memory:81:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:82,
from watching.cpp:1:
/usr/include/c++/7/bits/shared_ptr.h:416:5: note: candidate: template<class _Tp> bool std::operator<(std::nullptr_t, const std::shared_ptr<_Tp>&)
operator<(nullptr_t, const shared_ptr<_Tp>& __a) noexcept
^~~~~~~~
/usr/include/c++/7/bits/shared_ptr.h:416:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: mismatched types 'const std::shared_ptr<_Tp>' and 'long long int'
cout<r;
^
In file included from /usr/include/c++/7/memory:81:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:82,
from watching.cpp:1:
/usr/include/c++/7/bits/shared_ptr.h:408:5: note: candidate: template<class _Tp> bool std::operator<(const std::shared_ptr<_Tp>&, std::nullptr_t)
operator<(const shared_ptr<_Tp>& __a, nullptr_t) noexcept
^~~~~~~~
/usr/include/c++/7/bits/shared_ptr.h:408:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::shared_ptr<_Tp>'
cout<r;
^
In file included from /usr/include/c++/7/memory:81:0,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:82,
from watching.cpp:1:
/usr/include/c++/7/bits/shared_ptr.h:398:5: note: candidate: template<class _Tp, class _Up> bool std::operator<(const std::shared_ptr<_Tp>&, const std::shared_ptr<_Up>&)
operator<(const shared_ptr<_Tp>& __a, const shared_ptr<_Up>& __b) noexcept
^~~~~~~~
/usr/include/c++/7/bits/shared_ptr.h:398:5: note: template argument deduction/substitution failed:
watching.cpp:42:10: note: 'std::ostream {aka std::basic_ostream<char>}' is not derived from 'const std::shared_ptr<_Tp>'
cout<r;
^
In file included from /usr/include/c++/7/bits/shared_ptr.h:52:0,
from /usr/include/c++/7/memory:81,
from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:82,
from /var/local/lib/isolate/0/box/pro