| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 866745 | 2023-10-27T01:57:17 Z | mgl_diamond | Port Facility (JOI17_port_facility) | C++17 | Compilation error |
0 ms | 0 KB |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ii = pair<int, int>;
#define foru(i, l, r) for(int i=(l); i<=(r); ++i)
#define ford(i, l, r) for(int i=(l); i>=(r); --i)
#define fore(x, v) for(auto &x : v)
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
#define fi first
#define se second
#define file "input"
void setIO() {
ios::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
if (fopen(file".inp", "r")) {
freopen(file".inp", "r", stdin);
freopen(file".out", "w", stdout);
}
}
const int MOD = 1e9+7;
const int N = 1e6+5;
int n, anc[2*N];
ii cont[N];
set<ii> hold;
int root(int u) {
return anc[u] < 0 ? u : anc[u] = root(anc[u]);
}
void join(int u, int v) {
if ((u = root(u)) == (v = root(v))) return;
if (anc[u] > anc[v]) swap(u, v);
anc[u] += anc[v];
anc[v] = u;
}
int main() {
setIO();
cin >> n;
foru(i, 1, n) {
int l, r;
cin >> l >> r;
cont[i] = {l, r};
}
foru(i, 1, 2*n) {
anc[i] = -1;
}
sort(cont+1, cont+n+1);
foru(i, 1, n) {
int l = cont[i].fi, r = cont[i].se;
auto lb = hold.lower_bound({l, 0});
auto rb = hold.lower_bound({r, 0});
if (lb == hold.end() || lb -> first >= r) {
hold.insert({r, i});
continue;
}
while (lb != rb) {
// cout << lb -> second << " " << i << "\n";
join(lb -> second, i + n);
join(lb -> second + n, i);
if (get(lb -> second) == get(prev(rb)->second)) break;
++lb;
}
hold.insert({r, i});
}
foru(i, 1, n) if (root(i) == root(i+n)) { cout << 0; return 0; }
int ans = 1;
foru(i, 1, n) if (root(i) == i) ans = ans * 2 % MOD;
cout << ans;
}
Compilation message
port_facility.cpp: In function 'int main()':
port_facility.cpp:72:27: error: no matching function for call to 'get(const int&)'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/utility:223:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(std::pair<_Tp1, _Tp2>&)'
223 | get(std::pair<_Tp1, _Tp2>& __in) noexcept
| ^~~
/usr/include/c++/10/utility:223:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'std::pair<_Tp1, _Tp2>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/utility:228:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(std::pair<_Tp1, _Tp2>&&)'
228 | get(std::pair<_Tp1, _Tp2>&& __in) noexcept
| ^~~
/usr/include/c++/10/utility:228:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'std::pair<_Tp1, _Tp2>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/utility:233:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type& std::get(const std::pair<_Tp1, _Tp2>&)'
233 | get(const std::pair<_Tp1, _Tp2>& __in) noexcept
| ^~~
/usr/include/c++/10/utility:233:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'const std::pair<_Tp1, _Tp2>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/utility:238:5: note: candidate: 'template<long unsigned int _Int, class _Tp1, class _Tp2> constexpr const typename std::tuple_element<_Int, std::pair<_Tp1, _Tp2> >::type&& std::get(const std::pair<_Tp1, _Tp2>&&)'
238 | get(const std::pair<_Tp1, _Tp2>&& __in) noexcept
| ^~~
/usr/include/c++/10/utility:238:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'const std::pair<_Tp1, _Tp2>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/utility:247:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_T1, _T2>&)'
247 | get(pair<_Tp, _Up>& __p) noexcept
| ^~~
/usr/include/c++/10/utility:247:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'std::pair<_T1, _T2>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/utility:252:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_T1, _T2>&)'
252 | get(const pair<_Tp, _Up>& __p) noexcept
| ^~~
/usr/include/c++/10/utility:252:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'const std::pair<_T1, _T2>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/utility:257:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_T1, _T2>&&)'
257 | get(pair<_Tp, _Up>&& __p) noexcept
| ^~~
/usr/include/c++/10/utility:257:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'std::pair<_T1, _T2>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/utility:262:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_T1, _T2>&&)'
262 | get(const pair<_Tp, _Up>&& __p) noexcept
| ^~~
/usr/include/c++/10/utility:262:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'const std::pair<_T1, _T2>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/utility:267:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp& std::get(std::pair<_Up, _Tp>&)'
267 | get(pair<_Up, _Tp>& __p) noexcept
| ^~~
/usr/include/c++/10/utility:267:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'std::pair<_Up, _Tp>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/utility:272:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp& std::get(const std::pair<_Up, _Tp>&)'
272 | get(const pair<_Up, _Tp>& __p) noexcept
| ^~~
/usr/include/c++/10/utility:272:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'const std::pair<_Up, _Tp>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/utility:277:5: note: candidate: 'template<class _Tp, class _Up> constexpr _Tp&& std::get(std::pair<_Up, _Tp>&&)'
277 | get(pair<_Up, _Tp>&& __p) noexcept
| ^~~
/usr/include/c++/10/utility:277:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'std::pair<_Up, _Tp>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/algorithm:60,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/utility:282:5: note: candidate: 'template<class _Tp, class _Up> constexpr const _Tp&& std::get(const std::pair<_Up, _Tp>&&)'
282 | get(const pair<_Up, _Tp>&& __p) noexcept
| ^~~
/usr/include/c++/10/utility:282:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'const std::pair<_Up, _Tp>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/tuple:39,
from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/array:334:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp& std::get(std::array<_Tp, _Nm>&)'
334 | get(array<_Tp, _Nm>& __arr) noexcept
| ^~~
/usr/include/c++/10/array:334:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'std::array<_Tp, _Nm>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/tuple:39,
from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/array:343:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr _Tp&& std::get(std::array<_Tp, _Nm>&&)'
343 | get(array<_Tp, _Nm>&& __arr) noexcept
| ^~~
/usr/include/c++/10/array:343:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'std::array<_Tp, _Nm>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/tuple:39,
from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/array:351:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp& std::get(const std::array<_Tp, _Nm>&)'
351 | get(const array<_Tp, _Nm>& __arr) noexcept
| ^~~
/usr/include/c++/10/array:351:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'const std::array<_Tp, _Nm>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/tuple:39,
from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/array:360:5: note: candidate: 'template<long unsigned int _Int, class _Tp, long unsigned int _Nm> constexpr const _Tp&& std::get(const std::array<_Tp, _Nm>&&)'
360 | get(const array<_Tp, _Nm>&& __arr) noexcept
| ^~~
/usr/include/c++/10/array:360:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'const std::array<_Tp, _Nm>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/tuple:1294:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >& std::get(std::tuple<_UTypes ...>&)'
1294 | get(tuple<_Elements...>& __t) noexcept
| ^~~
/usr/include/c++/10/tuple:1294:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'std::tuple<_UTypes ...>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/tuple:1300:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >& std::get(const std::tuple<_UTypes ...>&)'
1300 | get(const tuple<_Elements...>& __t) noexcept
| ^~~
/usr/include/c++/10/tuple:1300:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'const std::tuple<_UTypes ...>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/tuple:1306:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >&& std::get(std::tuple<_UTypes ...>&&)'
1306 | get(tuple<_Elements...>&& __t) noexcept
| ^~~
/usr/include/c++/10/tuple:1306:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'std::tuple<_UTypes ...>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/tuple:1315:5: note: candidate: 'template<long unsigned int __i, class ... _Elements> constexpr std::__tuple_element_t<__i, std::tuple<_UTypes ...> >&& std::get(const std::tuple<_UTypes ...>&&)'
1315 | get(const tuple<_Elements...>&& __t) noexcept
| ^~~
/usr/include/c++/10/tuple:1315:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'const std::tuple<_UTypes ...>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/tuple:1338:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp& std::get(std::tuple<_UTypes ...>&)'
1338 | get(tuple<_Types...>& __t) noexcept
| ^~~
/usr/include/c++/10/tuple:1338:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'std::tuple<_UTypes ...>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/tuple:1344:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr _Tp&& std::get(std::tuple<_UTypes ...>&&)'
1344 | get(tuple<_Types...>&& __t) noexcept
| ^~~
/usr/include/c++/10/tuple:1344:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'std::tuple<_UTypes ...>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/tuple:1350:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp& std::get(const std::tuple<_UTypes ...>&)'
1350 | get(const tuple<_Types...>& __t) noexcept
| ^~~
/usr/include/c++/10/tuple:1350:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'const std::tuple<_UTypes ...>' and 'const int'
72 | if (get(lb -> second) == get(prev(rb)->second)) break;
| ^
In file included from /usr/include/c++/10/functional:54,
from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
from /usr/include/c++/10/algorithm:74,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from port_facility.cpp:1:
/usr/include/c++/10/tuple:1357:5: note: candidate: 'template<class _Tp, class ... _Types> constexpr const _Tp&& std::get(const std::tuple<_UTypes ...>&&)'
1357 | get(const tuple<_Types...>&& __t) noexcept
| ^~~
/usr/include/c++/10/tuple:1357:5: note: template argument deduction/substitution failed:
port_facility.cpp:72:27: note: mismatched types 'const std::tuple<_UTypes ...>' and 'const int'
72 |