| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1212067 | loom | Train (APIO24_train) | C++20 | Compilation error | 0 ms | 0 KiB |
#include "train.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define inf (ll)5e18
#define nl '\n'
ll solve(int n, int m, int w, vector<int> p, vector<int> x, vector<int> y, vector<int> a, vector<int> b, vector<int> c, vector<int> l, vector<int> r){
unordered_map<pair<ll,ll>, vector<tuple<ll,ll,ll>>> g;
vector<ll> adj[n];
for(ll i=0; i<m; i++){
g[{x[i], a[i]}].push_back({y[i], b[i], c[i]});
adj[x[i]].push_back(a[i]);
adj[y[i]].push_back(b[i]);
}
for(ll i=0; i<n; i++){
auto &v = adj[i];
sort(v.begin(), v.end());
for(ll j=1; j<v.size(); j++){
g[{i, v[j-1]}].push_back({i, v[j], 0});
}
}
if(adj[0].empty()) return -1;
g[{0, 0}].push_back({0, adj[0][0], 0});
l.push_back(-1);
r.push_back(-1);
sort(l.begin(), l.end());
sort(r.begin(), r.end());
#define tup tuple<ll,ll,ll, ll>
priority_queue<tup, vector<tup>, greater<tup>> pq;
unordered_map<tuple<ll,ll,ll>, ll> dist;
pq.push({0, 0, 0, 0});
dist[{0, 0, 0}] = 0;
while(!pq.empty()){
auto [d, v, t, tf] = pq.top();
pq.pop();
if(dist[{v, t, tf}] != d) continue;
auto it = upper_bound(l.begin(), l.end(), t);
ll il = it - l.begin();
ll rt = (tf ? r[il-1] : -1);
for(auto [ch, tt, ww] : g[{v, t}]){
ll ir = -1;
it = --lower_bound(r.begin(), r.end(), tt);
if(*it < tt) ir = it - r.begin();
else if(it != r.begin()) ir = prev(it) - r.begin();
ll td = d;
if(v == ch) td += max(0ll, ir-il+1) * p[v];
if(rt < tt and (!dist.count({ch, tt, 0}) or td + ww < dist[{ch, tt, 0}])){
dist[{ch, tt, 0}] = td + ww;
pq.push({td + ww, ch, tt, 0});
}
if(v == ch and rt < tt) td += p[v];
if(!dist.count({ch, tt, 1}) or td + ww < dist[{ch, tt, 1}]){
dist[{ch, tt, 1}] = td + ww;
pq.push({td + ww, ch, tt, 1});
}
}
}
ll ans = inf;
for(ll t : adj[n-1]){
ll ix = upper_bound(l.begin(), l.end(), t) - l.begin();
ll td = (w+1 - ix) * p[n-1];
ll il = l[ix-1];
ll ir = r[ix-1];
if(dist.count({n-1, t, 0})) ans = min(ans, dist[{n-1, t, 0}] + td + (ir > t ? p[n-1] : 0));
if(dist.count({n-1, t, 1})) ans = min(ans, dist[{n-1, t, 1}] + td);
}
return ans == inf ? -1 : ans;
}
Compilation message (stderr)
train.cpp: In function 'long long int solve(int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:9:61: error: use of deleted function 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map() [with _Key = std::pair<long long int, long long int>; _Tp = std::vector<std::tuple<long long int, long long int, 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>, std::vector<std::tuple<long long int, long long int, long long int> > > >]'
9 | unordered_map<pair<ll,ll>, vector<tuple<ll,ll,ll>>> g;
| ^
In file included from /usr/include/c++/11/unordered_map:47,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/unordered_map.h:141:7: note: 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map() [with _Key = std::pair<long long int, long long int>; _Tp = std::vector<std::tuple<long long int, long long int, 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>, std::vector<std::tuple<long long int, long long int, long long int> > > >]' is implicitly deleted because the default definition would be ill-formed:
141 | unordered_map() = default;
| ^~~~~~~~~~~~~
/usr/include/c++/11/bits/unordered_map.h:141:7: error: use of deleted function 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::_Hashtable() [with _Key = std::pair<long long int, long long int>; _Value = std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >; _Alloc = std::allocator<std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > > >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::pair<long long int, long long int> >; _Hash = std::hash<std::pair<long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, false, true>]'
In file included from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable.h:528:7: note: 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::_Hashtable() [with _Key = std::pair<long long int, long long int>; _Value = std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >; _Alloc = std::allocator<std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > > >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::pair<long long int, long long int> >; _Hash = std::hash<std::pair<long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, false, true>]' is implicitly deleted because the default definition would be ill-formed:
528 | _Hashtable() = default;
| ^~~~~~~~~~
/usr/include/c++/11/bits/hashtable.h:528:7: error: use of deleted function 'std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _Traits>::_Hashtable_base() [with _Key = std::pair<long long int, long long int>; _Value = std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::pair<long long int, long long int> >; _Hash = std::hash<std::pair<long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _Traits = std::__detail::_Hashtable_traits<true, false, true>]'
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable_policy.h:1604:7: note: 'std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _Traits>::_Hashtable_base() [with _Key = std::pair<long long int, long long int>; _Value = std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::pair<long long int, long long int> >; _Hash = std::hash<std::pair<long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _Traits = std::__detail::_Hashtable_traits<true, false, true>]' is implicitly deleted because the default definition would be ill-formed:
1604 | _Hashtable_base() = default;
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1604:7: error: use of deleted function 'std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::_Hash_code_base() [with _Key = std::pair<long long int, long long int>; _Value = std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >; _ExtractKey = std::__detail::_Select1st; _Hash = std::hash<std::pair<long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; bool __cache_hash_code = true]'
/usr/include/c++/11/bits/hashtable_policy.h: In instantiation of 'std::__detail::_Hashtable_ebo_helper<_Nm, _Tp, true>::_Hashtable_ebo_helper() [with int _Nm = 1; _Tp = std::hash<std::pair<long long int, long long int> >]':
/usr/include/c++/11/bits/hashtable_policy.h:1210:7: required from here
/usr/include/c++/11/bits/hashtable_policy.h:1127:49: error: use of deleted function 'std::hash<std::pair<long long int, long long int> >::hash()'
1127 | _Hashtable_ebo_helper() noexcept(noexcept(_Tp())) : _Tp() { }
| ^~~~~
In file included from /usr/include/c++/11/bits/stl_bvector.h:61,
from /usr/include/c++/11/vector:68,
from train.h:1,
from train.cpp:1:
/usr/include/c++/11/bits/functional_hash.h:102:12: note: 'std::hash<std::pair<long long int, long long int> >::hash()' is implicitly deleted because the default definition would be ill-formed:
102 | struct hash : __hash_enum<_Tp>
| ^~~~
/usr/include/c++/11/bits/functional_hash.h:102:12: error: no matching function for call to 'std::__hash_enum<std::pair<long long int, long long int>, false>::__hash_enum()'
/usr/include/c++/11/bits/functional_hash.h:83:7: note: candidate: 'std::__hash_enum<_Tp, <anonymous> >::__hash_enum(std::__hash_enum<_Tp, <anonymous> >&&) [with _Tp = std::pair<long long int, long long int>; bool <anonymous> = false]'
83 | __hash_enum(__hash_enum&&);
| ^~~~~~~~~~~
/usr/include/c++/11/bits/functional_hash.h:83:7: note: candidate expects 1 argument, 0 provided
/usr/include/c++/11/bits/functional_hash.h:102:12: error: 'std::__hash_enum<_Tp, <anonymous> >::~__hash_enum() [with _Tp = std::pair<long long int, long long int>; bool <anonymous> = false]' is private within this context
102 | struct hash : __hash_enum<_Tp>
| ^~~~
/usr/include/c++/11/bits/functional_hash.h:84:7: note: declared private here
84 | ~__hash_enum();
| ^
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable_policy.h:1210:7: note: 'std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::_Hash_code_base() [with _Key = std::pair<long long int, long long int>; _Value = std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >; _ExtractKey = std::__detail::_Select1st; _Hash = std::hash<std::pair<long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; bool __cache_hash_code = true]' is implicitly deleted because the default definition would be ill-formed:
1210 | _Hash_code_base() = default;
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1210:7: error: use of deleted function 'std::__detail::_Hashtable_ebo_helper<1, std::hash<std::pair<long long int, long long int> >, true>::~_Hashtable_ebo_helper()'
/usr/include/c++/11/bits/hashtable_policy.h:1124:12: note: 'std::__detail::_Hashtable_ebo_helper<1, std::hash<std::pair<long long int, long long int> >, true>::~_Hashtable_ebo_helper()' is implicitly deleted because the default definition would be ill-formed:
1124 | struct _Hashtable_ebo_helper<_Nm, _Tp, true>
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1124:12: error: use of deleted function 'std::hash<std::pair<long long int, long long int> >::~hash()'
In file included from /usr/include/c++/11/bits/stl_bvector.h:61,
from /usr/include/c++/11/vector:68,
from train.h:1,
from train.cpp:1:
/usr/include/c++/11/bits/functional_hash.h:102:12: note: 'std::hash<std::pair<long long int, long long int> >::~hash()' is implicitly deleted because the default definition would be ill-formed:
102 | struct hash : __hash_enum<_Tp>
| ^~~~
/usr/include/c++/11/bits/functional_hash.h:102:12: error: 'std::__hash_enum<_Tp, <anonymous> >::~__hash_enum() [with _Tp = std::pair<long long int, long long int>; bool <anonymous> = false]' is private within this context
/usr/include/c++/11/bits/functional_hash.h:84:7: note: declared private here
84 | ~__hash_enum();
| ^
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable_policy.h:1604:7: error: use of deleted function 'std::__detail::_Hash_code_base<std::pair<long long int, long long int>, std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >, std::__detail::_Select1st, std::hash<std::pair<long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::~_Hash_code_base()'
1604 | _Hashtable_base() = default;
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1188:12: note: 'std::__detail::_Hash_code_base<std::pair<long long int, long long int>, std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >, std::__detail::_Select1st, std::hash<std::pair<long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::~_Hash_code_base()' is implicitly deleted because the default definition would be ill-formed:
1188 | struct _Hash_code_base
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1188:12: error: use of deleted function 'std::__detail::_Hashtable_ebo_helper<1, std::hash<std::pair<long long int, long long int> >, true>::~_Hashtable_ebo_helper()'
In file included from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable.h:528:7: error: use of deleted function 'std::__detail::_Hashtable_base<std::pair<long long int, long long int>, std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >, std::__detail::_Select1st, std::equal_to<std::pair<long long int, long long int> >, std::hash<std::pair<long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >::~_Hashtable_base()'
528 | _Hashtable() = default;
| ^~~~~~~~~~
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable_policy.h:1561:12: note: 'std::__detail::_Hashtable_base<std::pair<long long int, long long int>, std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >, std::__detail::_Select1st, std::equal_to<std::pair<long long int, long long int> >, std::hash<std::pair<long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >::~_Hashtable_base()' is implicitly deleted because the default definition would be ill-formed:
1561 | struct _Hashtable_base
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1561:12: error: use of deleted function 'std::__detail::_Hash_code_base<std::pair<long long int, long long int>, std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >, std::__detail::_Select1st, std::hash<std::pair<long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::~_Hash_code_base()'
In file included from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable.h:528:7: error: use of deleted function 'constexpr std::_Enable_default_constructor<false, _Tag>::_Enable_default_constructor() [with _Tag = std::__detail::_Hash_node_base]'
528 | _Hashtable() = default;
| ^~~~~~~~~~
In file included from /usr/include/c++/11/bits/hashtable.h:36,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/enable_special_members.h:113:15: note: declared here
113 | constexpr _Enable_default_constructor() noexcept = delete;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
train.cpp:36:39: error: use of deleted function 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map() [with _Key = std::tuple<long long int, long long int, long long int>; _Tp = long long int; _Hash = std::hash<std::tuple<long long int, long long int, long long int> >; _Pred = std::equal_to<std::tuple<long long int, long long int, long long int> >; _Alloc = std::allocator<std::pair<const std::tuple<long long int, long long int, long long int>, long long int> >]'
36 | unordered_map<tuple<ll,ll,ll>, ll> dist;
| ^~~~
In file included from /usr/include/c++/11/unordered_map:47,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/unordered_map.h:141:7: note: 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map() [with _Key = std::tuple<long long int, long long int, long long int>; _Tp = long long int; _Hash = std::hash<std::tuple<long long int, long long int, long long int> >; _Pred = std::equal_to<std::tuple<long long int, long long int, long long int> >; _Alloc = std::allocator<std::pair<const std::tuple<long long int, long long int, long long int>, long long int> >]' is implicitly deleted because the default definition would be ill-formed:
141 | unordered_map() = default;
| ^~~~~~~~~~~~~
/usr/include/c++/11/bits/unordered_map.h:141:7: error: use of deleted function 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::_Hashtable() [with _Key = std::tuple<long long int, long long int, long long int>; _Value = std::pair<const std::tuple<long long int, long long int, long long int>, long long int>; _Alloc = std::allocator<std::pair<const std::tuple<long long int, long long int, long long int>, long long int> >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::tuple<long long int, long long int, long long int> >; _Hash = std::hash<std::tuple<long long int, long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, false, true>]'
In file included from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable.h:528:7: note: 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::_Hashtable() [with _Key = std::tuple<long long int, long long int, long long int>; _Value = std::pair<const std::tuple<long long int, long long int, long long int>, long long int>; _Alloc = std::allocator<std::pair<const std::tuple<long long int, long long int, long long int>, long long int> >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::tuple<long long int, long long int, long long int> >; _Hash = std::hash<std::tuple<long long int, long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, false, true>]' is implicitly deleted because the default definition would be ill-formed:
528 | _Hashtable() = default;
| ^~~~~~~~~~
/usr/include/c++/11/bits/hashtable.h:528:7: error: use of deleted function 'std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _Traits>::_Hashtable_base() [with _Key = std::tuple<long long int, long long int, long long int>; _Value = std::pair<const std::tuple<long long int, long long int, long long int>, long long int>; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::tuple<long long int, long long int, long long int> >; _Hash = std::hash<std::tuple<long long int, long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _Traits = std::__detail::_Hashtable_traits<true, false, true>]'
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable_policy.h:1604:7: note: 'std::__detail::_Hashtable_base<_Key, _Value, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _Traits>::_Hashtable_base() [with _Key = std::tuple<long long int, long long int, long long int>; _Value = std::pair<const std::tuple<long long int, long long int, long long int>, long long int>; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::tuple<long long int, long long int, long long int> >; _Hash = std::hash<std::tuple<long long int, long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _Traits = std::__detail::_Hashtable_traits<true, false, true>]' is implicitly deleted because the default definition would be ill-formed:
1604 | _Hashtable_base() = default;
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1604:7: error: use of deleted function 'std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::_Hash_code_base() [with _Key = std::tuple<long long int, long long int, long long int>; _Value = std::pair<const std::tuple<long long int, long long int, long long int>, long long int>; _ExtractKey = std::__detail::_Select1st; _Hash = std::hash<std::tuple<long long int, long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; bool __cache_hash_code = true]'
/usr/include/c++/11/bits/hashtable_policy.h: In instantiation of 'std::__detail::_Hashtable_ebo_helper<_Nm, _Tp, true>::_Hashtable_ebo_helper() [with int _Nm = 1; _Tp = std::hash<std::tuple<long long int, long long int, long long int> >]':
/usr/include/c++/11/bits/hashtable_policy.h:1210:7: required from here
/usr/include/c++/11/bits/hashtable_policy.h:1127:49: error: use of deleted function 'std::hash<std::tuple<long long int, long long int, long long int> >::hash()'
1127 | _Hashtable_ebo_helper() noexcept(noexcept(_Tp())) : _Tp() { }
| ^~~~~
In file included from /usr/include/c++/11/bits/stl_bvector.h:61,
from /usr/include/c++/11/vector:68,
from train.h:1,
from train.cpp:1:
/usr/include/c++/11/bits/functional_hash.h:102:12: note: 'std::hash<std::tuple<long long int, long long int, long long int> >::hash()' is implicitly deleted because the default definition would be ill-formed:
102 | struct hash : __hash_enum<_Tp>
| ^~~~
/usr/include/c++/11/bits/functional_hash.h:102:12: error: no matching function for call to 'std::__hash_enum<std::tuple<long long int, long long int, long long int>, false>::__hash_enum()'
/usr/include/c++/11/bits/functional_hash.h:83:7: note: candidate: 'std::__hash_enum<_Tp, <anonymous> >::__hash_enum(std::__hash_enum<_Tp, <anonymous> >&&) [with _Tp = std::tuple<long long int, long long int, long long int>; bool <anonymous> = false]'
83 | __hash_enum(__hash_enum&&);
| ^~~~~~~~~~~
/usr/include/c++/11/bits/functional_hash.h:83:7: note: candidate expects 1 argument, 0 provided
/usr/include/c++/11/bits/functional_hash.h:102:12: error: 'std::__hash_enum<_Tp, <anonymous> >::~__hash_enum() [with _Tp = std::tuple<long long int, long long int, long long int>; bool <anonymous> = false]' is private within this context
102 | struct hash : __hash_enum<_Tp>
| ^~~~
/usr/include/c++/11/bits/functional_hash.h:84:7: note: declared private here
84 | ~__hash_enum();
| ^
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable_policy.h:1210:7: note: 'std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::_Hash_code_base() [with _Key = std::tuple<long long int, long long int, long long int>; _Value = std::pair<const std::tuple<long long int, long long int, long long int>, long long int>; _ExtractKey = std::__detail::_Select1st; _Hash = std::hash<std::tuple<long long int, long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; bool __cache_hash_code = true]' is implicitly deleted because the default definition would be ill-formed:
1210 | _Hash_code_base() = default;
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1210:7: error: use of deleted function 'std::__detail::_Hashtable_ebo_helper<1, std::hash<std::tuple<long long int, long long int, long long int> >, true>::~_Hashtable_ebo_helper()'
/usr/include/c++/11/bits/hashtable_policy.h:1124:12: note: 'std::__detail::_Hashtable_ebo_helper<1, std::hash<std::tuple<long long int, long long int, long long int> >, true>::~_Hashtable_ebo_helper()' is implicitly deleted because the default definition would be ill-formed:
1124 | struct _Hashtable_ebo_helper<_Nm, _Tp, true>
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1124:12: error: use of deleted function 'std::hash<std::tuple<long long int, long long int, long long int> >::~hash()'
In file included from /usr/include/c++/11/bits/stl_bvector.h:61,
from /usr/include/c++/11/vector:68,
from train.h:1,
from train.cpp:1:
/usr/include/c++/11/bits/functional_hash.h:102:12: note: 'std::hash<std::tuple<long long int, long long int, long long int> >::~hash()' is implicitly deleted because the default definition would be ill-formed:
102 | struct hash : __hash_enum<_Tp>
| ^~~~
/usr/include/c++/11/bits/functional_hash.h:102:12: error: 'std::__hash_enum<_Tp, <anonymous> >::~__hash_enum() [with _Tp = std::tuple<long long int, long long int, long long int>; bool <anonymous> = false]' is private within this context
/usr/include/c++/11/bits/functional_hash.h:84:7: note: declared private here
84 | ~__hash_enum();
| ^
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable_policy.h:1604:7: error: use of deleted function 'std::__detail::_Hash_code_base<std::tuple<long long int, long long int, long long int>, std::pair<const std::tuple<long long int, long long int, long long int>, long long int>, std::__detail::_Select1st, std::hash<std::tuple<long long int, long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::~_Hash_code_base()'
1604 | _Hashtable_base() = default;
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1188:12: note: 'std::__detail::_Hash_code_base<std::tuple<long long int, long long int, long long int>, std::pair<const std::tuple<long long int, long long int, long long int>, long long int>, std::__detail::_Select1st, std::hash<std::tuple<long long int, long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::~_Hash_code_base()' is implicitly deleted because the default definition would be ill-formed:
1188 | struct _Hash_code_base
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1188:12: error: use of deleted function 'std::__detail::_Hashtable_ebo_helper<1, std::hash<std::tuple<long long int, long long int, long long int> >, true>::~_Hashtable_ebo_helper()'
In file included from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable.h:528:7: error: use of deleted function 'std::__detail::_Hashtable_base<std::tuple<long long int, long long int, long long int>, std::pair<const std::tuple<long long int, long long int, long long int>, long long int>, std::__detail::_Select1st, std::equal_to<std::tuple<long long int, long long int, long long int> >, std::hash<std::tuple<long long int, long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >::~_Hashtable_base()'
528 | _Hashtable() = default;
| ^~~~~~~~~~
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable_policy.h:1561:12: note: 'std::__detail::_Hashtable_base<std::tuple<long long int, long long int, long long int>, std::pair<const std::tuple<long long int, long long int, long long int>, long long int>, std::__detail::_Select1st, std::equal_to<std::tuple<long long int, long long int, long long int> >, std::hash<std::tuple<long long int, long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >::~_Hashtable_base()' is implicitly deleted because the default definition would be ill-formed:
1561 | struct _Hashtable_base
| ^~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1561:12: error: use of deleted function 'std::__detail::_Hash_code_base<std::tuple<long long int, long long int, long long int>, std::pair<const std::tuple<long long int, long long int, long long int>, long long int>, std::__detail::_Select1st, std::hash<std::tuple<long long int, long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>::~_Hash_code_base()'
In file included from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable.h:528:7: error: use of deleted function 'constexpr std::_Enable_default_constructor<false, _Tag>::_Enable_default_constructor() [with _Tag = std::__detail::_Hash_node_base]'
528 | _Hashtable() = default;
| ^~~~~~~~~~
In file included from /usr/include/c++/11/bits/hashtable.h:36,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/enable_special_members.h:113:15: note: declared here
113 | constexpr _Enable_default_constructor() noexcept = delete;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable.h: In instantiation of 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::~_Hashtable() [with _Key = std::pair<long long int, long long int>; _Value = std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >; _Alloc = std::allocator<std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > > >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::pair<long long int, long long int> >; _Hash = std::hash<std::pair<long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, false, true>]':
/usr/include/c++/11/bits/unordered_map.h:102:11: required from here
/usr/include/c++/11/bits/hashtable.h:1534:5: error: use of deleted function 'std::__detail::_Hashtable_base<std::pair<long long int, long long int>, std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >, std::__detail::_Select1st, std::equal_to<std::pair<long long int, long long int> >, std::hash<std::pair<long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >::~_Hashtable_base()'
1534 | }
| ^
/usr/include/c++/11/bits/hashtable.h: In instantiation of 'std::_Hashtable<_Key, _Value, _Alloc, _ExtractKey, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits>::~_Hashtable() [with _Key = std::tuple<long long int, long long int, long long int>; _Value = std::pair<const std::tuple<long long int, long long int, long long int>, long long int>; _Alloc = std::allocator<std::pair<const std::tuple<long long int, long long int, long long int>, long long int> >; _ExtractKey = std::__detail::_Select1st; _Equal = std::equal_to<std::tuple<long long int, long long int, long long int> >; _Hash = std::hash<std::tuple<long long int, long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, false, true>]':
/usr/include/c++/11/bits/unordered_map.h:102:11: required from here
/usr/include/c++/11/bits/hashtable.h:1534:5: error: use of deleted function 'std::__detail::_Hashtable_base<std::tuple<long long int, long long int, long long int>, std::pair<const std::tuple<long long int, long long int, long long int>, long long int>, std::__detail::_Select1st, std::equal_to<std::tuple<long long int, long long int, long long int> >, std::hash<std::tuple<long long int, long long int, long long int> >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >::~_Hashtable_base()'
In file included from /usr/include/c++/11/bits/hashtable.h:35,
from /usr/include/c++/11/unordered_map:46,
from /usr/include/c++/11/functional:61,
from /usr/include/c++/11/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/11/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:65,
from train.cpp:2:
/usr/include/c++/11/bits/hashtable_policy.h: In instantiation of 'std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::__hash_code std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::_M_hash_code(const _Key&) const [with _Key = std::pair<long long int, long long int>; _Value = std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >; _ExtractKey = std::__detail::_Select1st; _Hash = std::hash<std::pair<long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; bool __cache_hash_code = true; std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::__hash_code = long unsigned int]':
/usr/include/c++/11/bits/hashtable_policy.h:729:45: required from 'std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits, true>::mapped_type& std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits, true>::operator[](std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits, true>::key_type&&) [with _Key = std::pair<long long int, long long int>; _Pair = std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > >; _Alloc = std::allocator<std::pair<const std::pair<long long int, long long int>, std::vector<std::tuple<long long int, long long int, long long int> > > >; _Equal = std::equal_to<std::pair<long long int, long long int> >; _Hash = std::hash<std::pair<long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, false, true>; std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits, true>::mapped_type = std::vector<std::tuple<long long int, long long int, long long int> >; std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits, true>::key_type = std::pair<long long int, long long int>]'
/usr/include/c++/11/bits/unordered_map.h:984:20: required from 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type& std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type&&) [with _Key = std::pair<long long int, long long int>; _Tp = std::vector<std::tuple<long long int, long long int, 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>, std::vector<std::tuple<long long int, long long int, long long int> > > >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type = std::vector<std::tuple<long long int, long long int, long long int> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type = std::pair<long long int, long long int>]'
train.cpp:12:21: required from here
/usr/include/c++/11/bits/hashtable_policy.h:1217:23: error: static assertion failed: hash function must be invocable with an argument of key type
1217 | static_assert(__is_invocable<const _Hash&, const _Key&>{},
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1217:23: note: 'std::__is_invocable<const std::hash<std::pair<long long int, long long int> >&, const std::pair<long long int, long long int>&>{}' evaluates to false
/usr/include/c++/11/bits/hashtable_policy.h:1219:25: 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>&)'
1219 | return _M_hash()(__k);
| ~~~~~~~~~^~~~~
/usr/include/c++/11/bits/hashtable_policy.h: In instantiation of 'std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::__hash_code std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::_M_hash_code(const _Key&) const [with _Key = std::tuple<long long int, long long int, long long int>; _Value = std::pair<const std::tuple<long long int, long long int, long long int>, long long int>; _ExtractKey = std::__detail::_Select1st; _Hash = std::hash<std::tuple<long long int, long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; bool __cache_hash_code = true; std::__detail::_Hash_code_base<_Key, _Value, _ExtractKey, _Hash, _RangeHash, _Unused, __cache_hash_code>::__hash_code = long unsigned int]':
/usr/include/c++/11/bits/hashtable_policy.h:729:45: required from 'std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits, true>::mapped_type& std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits, true>::operator[](std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits, true>::key_type&&) [with _Key = std::tuple<long long int, long long int, long long int>; _Pair = std::pair<const std::tuple<long long int, long long int, long long int>, long long int>; _Alloc = std::allocator<std::pair<const std::tuple<long long int, long long int, long long int>, long long int> >; _Equal = std::equal_to<std::tuple<long long int, long long int, long long int> >; _Hash = std::hash<std::tuple<long long int, long long int, long long int> >; _RangeHash = std::__detail::_Mod_range_hashing; _Unused = std::__detail::_Default_ranged_hash; _RehashPolicy = std::__detail::_Prime_rehash_policy; _Traits = std::__detail::_Hashtable_traits<true, false, true>; std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits, true>::mapped_type = long long int; std::__detail::_Map_base<_Key, _Pair, _Alloc, std::__detail::_Select1st, _Equal, _Hash, _RangeHash, _Unused, _RehashPolicy, _Traits, true>::key_type = std::tuple<long long int, long long int, long long int>]'
/usr/include/c++/11/bits/unordered_map.h:984:20: required from 'std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type& std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type&&) [with _Key = std::tuple<long long int, long long int, long long int>; _Tp = long long int; _Hash = std::hash<std::tuple<long long int, long long int, long long int> >; _Pred = std::equal_to<std::tuple<long long int, long long int, long long int> >; _Alloc = std::allocator<std::pair<const std::tuple<long long int, long long int, long long int>, long long int> >; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::mapped_type = long long int; std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::key_type = std::tuple<long long int, long long int, long long int>]'
train.cpp:38:18: required from here
/usr/include/c++/11/bits/hashtable_policy.h:1217:23: error: static assertion failed: hash function must be invocable with an argument of key type
1217 | static_assert(__is_invocable<const _Hash&, const _Key&>{},
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/hashtable_policy.h:1217:23: note: 'std::__is_invocable<const std::hash<std::tuple<long long int, long long int, long long int> >&, const std::tuple<long long int, long long int, long long int>&>{}' evaluates to false
/usr/include/c++/11/bits/hashtable_policy.h:1219:25: error: no match for call to '(const std::hash<std::tuple<long long int, long long int, long long int> >) (const std::tuple<long long int, long long int, long long int>&)'
1219 | return _M_hash()(__k);
| ~~~~~~~~~^~~~~