| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 20137 | hongjun7 | Min-cost GCD (GA9_mcg) | 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 <cstdio>
#include <vector>
#include <unordered_map>
#include <algorithm>
using namespace std;
typedef long long ll;
ll a, b, p, q;
unordered_map <pair<ll, ll>, ll> d;
ll f(ll x, ll y) {
if (x == 0 || y == 0) return 0;
if (d.count({ x, y })) return d[{x, y}];
ll d1 = f(y, x%y) + p, d2 = 1e18;
if (x >= y) {
if ((x / y) <= d1 / q) d2 = f(x % y, y) + (x / y)*q;
}
else {
if ((y / x) <= d1 / q) d2 = f(x, y % x) + (y / x)*q;
}
if (d1 > d2) d1 = d2;
d[{x, y}] = d1;
return d1;
}
int main() {
int T;
for (scanf("%d", &T); T--; ) {
scanf("%lld%lld%lld%lld", &a, &b, &p, &q);
d.clear();
printf("%lld\n", f(a, b));
}
}
Compilation message (stderr)
In file included from /usr/include/c++/4.9/bits/hashtable.h:35:0,
from /usr/include/c++/4.9/unordered_map:47,
from mcg.cpp:3:
/usr/include/c++/4.9/bits/hashtable_policy.h: In instantiation of ‘struct std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > >’:
/usr/include/c++/4.9/type_traits:134:12: required from ‘struct std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > >’
/usr/include/c++/4.9/type_traits:145:38: required from ‘struct std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
/usr/include/c++/4.9/bits/unordered_map.h:100:66: required from ‘class std::unordered_map<std::pair<long long int, long long int>, long long int>’
mcg.cpp:8:34: required from here
/usr/include/c++/4.9/bits/hashtable_policy.h:85:33: error: no match for call to ‘(const std::hash<std::pair<long long int, long long int> >) (const std::pair<long long int, long long int>&)’
noexcept(declval<const _Hash&>()(declval<const _Key&>()))>
^
In file included from /usr/include/c++/4.9/bits/move.h:57:0,
from /usr/include/c++/4.9/bits/stl_pair.h:59,
from /usr/include/c++/4.9/bits/stl_algobase.h:64,
from /usr/include/c++/4.9/vector:60,
from mcg.cpp:2:
/usr/include/c++/4.9/type_traits: In instantiation of ‘struct std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’:
/usr/include/c++/4.9/bits/unordered_map.h:100:66: required from ‘class std::unordered_map<std::pair<long long int, long long int>, long long int>’
mcg.cpp:8:34: required from here
/usr/include/c++/4.9/type_traits:145:38: error: ‘value’ is not a member of ‘std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > >’
: public integral_constant<bool, !_Pp::value>
^
In file included from /usr/include/c++/4.9/unordered_map:48:0,
from mcg.cpp:3:
/usr/include/c++/4.9/bits/unordered_map.h: In instantiation of ‘class std::unordered_map<std::pair<long long int, long long int>, long long int>’:
mcg.cpp:8:34: required from here
/usr/include/c++/4.9/bits/unordered_map.h:100:66: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef __umap_hashtable<_Key, _Tp, _Hash, _Pred, _Alloc> _Hashtable;
^
/usr/include/c++/4.9/bits/unordered_map.h:107:45: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::key_type key_type;
^
/usr/include/c++/4.9/bits/unordered_map.h:108:47: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::value_type value_type;
^
/usr/include/c++/4.9/bits/unordered_map.h:109:48: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::mapped_type mapped_type;
^
/usr/include/c++/4.9/bits/unordered_map.h:110:43: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::hasher hasher;
^
/usr/include/c++/4.9/bits/unordered_map.h:111:46: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::key_equal key_equal;
^
/usr/include/c++/4.9/bits/unordered_map.h:112:51: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::allocator_type allocator_type;
^
/usr/include/c++/4.9/bits/unordered_map.h:117:45: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::pointer pointer;
^
/usr/include/c++/4.9/bits/unordered_map.h:118:50: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::const_pointer const_pointer;
^
/usr/include/c++/4.9/bits/unordered_map.h:119:47: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::reference reference;
^
/usr/include/c++/4.9/bits/unordered_map.h:120:52: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::const_reference const_reference;
^
/usr/include/c++/4.9/bits/unordered_map.h:121:46: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::iterator iterator;
^
/usr/include/c++/4.9/bits/unordered_map.h:122:51: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::const_iterator const_iterator;
^
/usr/include/c++/4.9/bits/unordered_map.h:123:51: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::local_iterator local_iterator;
^
/usr/include/c++/4.9/bits/unordered_map.h:124:57: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::const_local_iterator const_local_iterator;
^
/usr/include/c++/4.9/bits/unordered_map.h:125:47: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::size_type size_type;
^
/usr/include/c++/4.9/bits/unordered_map.h:126:52: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
typedef typename _Hashtable::difference_type difference_type;
^
/usr/include/c++/4.9/bits/unordered_map.h:242:7: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
operator=(initializer_list<value_type> __l)
^
/usr/include/c++/4.9/bits/unordered_map.h:340:2: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
emplace(_Args&&... __args)
^
/usr/include/c++/4.9/bits/unordered_map.h:392:7: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
insert(const value_type& __x)
^
/usr/include/c++/4.9/bits/unordered_map.h:399:2: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
insert(_Pair&& __x)
^
/usr/include/c++/4.9/bits/unordered_map.h:459:7: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
insert(initializer_list<value_type> __l)
^
/usr/include/c++/4.9/bits/unordered_map.h:604:7: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
equal_range(const key_type& __x)
^
/usr/include/c++/4.9/bits/unordered_map.h:608:7: error: ‘value’ is not a member of ‘std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<long long int, long long int> > >, std::__detail::__is_noexcept_hash<std::pair<long long int, long long int>, std::hash<std::pair<long long int, long long int> > > > >’
equal_range(const key_type& __x) const
^
mcg.cpp:8:34: error: no matching function for call to ‘std::unordered_map<std::pair<long long int, long long int>, long long int>::unordered_map()’
unordered_map <pair<ll, ll>, ll> d;
^
mcg.cpp:8:34: note: candidates are:
In file included from /usr/include/c++/4.9/unordered_map:48:0,
from mcg.cpp:3:
/usr/include/c++/4.9/bits/unordered_map.h:172:7: note: std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&&) [with _Key = std::pair<long long int, long long int>; _Tp = long long int; _Hash = std::hash<std::pair<long long int, long long int> >; _Pred = std::equal_to<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<const std::pair<long long int, long long int>, long long int> >]
unordered_map(unordered_map&&) = default;
^
/usr/include/c++/4.9/bits/unordered_map.h:172:7: note: candidate expects 1 argument, 0 provided
/usr/include/c++/4.9/bits/unordered_map.h:169:7: note: std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&) [with _Key = std::pair<long long int, long long int>; _Tp = long long int; _Hash = std::hash<std::pair<long long int, long long int> >; _Pred = std::equal_to<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<const std::pair<long long int, long long int>, long long int> >]
unordered_map(const unordered_map&) = default;
^
/usr/include/c++/4.9/bits/unordered_map.h:169:7: note: candidate expects 1 argument, 0 provided
mcg.cpp: In function ‘ll f(ll, ll)’:
mcg.cpp:11:8: error: ‘class std::unordered_map<std::pair<long long int, long long int>, long long int>’ has no member named ‘count’
if (d.count({ x, y })) return d[{x, y}];
^
mcg.cpp:11:33: error: no match for ‘operator[]’ (operand types are ‘std::unordered_map<std::pair<long long int, long long int>, long long int>’ and ‘<brace-enclosed initializer list>’)
if (d.count({ x, y })) return d[{x, y}];
^
mcg.cpp:20:3: error: no match for ‘operator[]’ (operand types are ‘std::unordered_map<std::pair<long long int, long long int>, long long int>’ and ‘<brace-enclosed initializer list>’)
d[{x, y}] = d1;
^
In file included from /usr/include/c++/4.9/unordered_map:48:0,
from mcg.cpp:3:
/usr/include/c++/4.9/bits/unordered_map.h: In instantiation of ‘void std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::clear() [with _Key = std::pair<long long int, long long int>; _Tp = long long int; _Hash = std::hash<std::pair<long long int, long long int> >; _Pred = std::equal_to<std::pair<long long int, long long int> >; _Alloc = std::allocator<std::pair<const std::pair<long long int, long long int>, long long int> >]’:
mcg.cpp:27:11: required from here
/usr/include/c++/4.9/bits/unordered_map.h:528:9: error: using invalid field ‘std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::_M_h’
{ _M_h.clear(); }
^
mcg.cpp: In function ‘int main()’:
mcg.cpp:25:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
for (scanf("%d", &T); T--; ) {
^
mcg.cpp:26:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld%lld%lld%lld", &a, &b, &p, &q);
^