| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1072056 | c2zi6 | Thousands Islands (IOI22_islands) | C++17 | 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.
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(a) (a).begin(), (a).end()
#define replr(i, a, b) for (int i = int(a); i <= int(b); ++i)
#define reprl(i, a, b) for (int i = int(a); i >= int(b); --i)
#define rep(i, n) for (int i = 0; i < int(n); ++i)
#define mkp(a, b) make_pair(a, b)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<PII> VPI;
typedef vector<VI> VVI;
typedef vector<VVI> VVVI;
typedef vector<VPI> VVPI;
typedef pair<ll, ll> PLL;
typedef vector<ll> VL;
typedef vector<PLL> VPL;
typedef vector<VL> VVL;
typedef vector<VVL> VVVL;
typedef vector<VPL> VVPL;
template<class T> T setmax(T& a, T b) {if (a < b) return a = b; return a;}
template<class T> T setmin(T& a, T b) {if (a < b) return a; return a = b;}
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template<class T>
using indset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#include "islands.h"
int n, m;
VVPI gp;
VI vis;
bool ans;
void dfs(int u = 0, int pi = -1) {
vis[u] = true;
for (auto[v, i] : gp[u]) if (i != pi) {
if (vis[v]) {
ans = true;
continue;
}
dfs(v, i);
}
}
variant<bool, VI> find_journey(int N, int M, VI U, VI V) {
n = N;
m = M;
gp = VVPI(n);
for (int i = 0; i < m; i += 2) {
int u = U[i];
int v = V[i];
gp[u].pb({v, i});
gp[v].pb({u, i});
}
vis = VI(n);
ans = false;
dfs();
if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
return false;
}
Compilation message (stderr)
islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, VI, VI)':
islands.cpp:63:22: error: no match for 'operator>' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} and 'int')
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from islands.cpp:2:
/usr/include/c++/10/bits/regex.h:1108:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
1108 | operator>(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1108:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from islands.cpp:2:
/usr/include/c++/10/bits/regex.h:1168:5: 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>&)'
1168 | operator>(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1168:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from islands.cpp:2:
/usr/include/c++/10/bits/regex.h:1261:5: 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>&)'
1261 | operator>(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1261:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from islands.cpp:2:
/usr/include/c++/10/bits/regex.h:1335:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
1335 | operator>(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1335:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from islands.cpp:2:
/usr/include/c++/10/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*)'
1429 | operator>(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1429:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from islands.cpp:2:
/usr/include/c++/10/bits/regex.h:1505:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
1505 | operator>(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1505:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from islands.cpp:2:
/usr/include/c++/10/bits/regex.h:1605:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator>(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1605 | operator>(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1605:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from islands.cpp:2:
/usr/include/c++/10/bits/stl_pair.h:502:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator>(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
502 | operator>(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:502:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} is not derived from 'const std::pair<_T1, _T2>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from islands.cpp:2:
/usr/include/c++/10/bits/stl_iterator.h:378:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
378 | operator>(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:378:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} is not derived from 'const std::reverse_iterator<_Iterator>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from islands.cpp:2:
/usr/include/c++/10/bits/stl_iterator.h:416:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
416 | operator>(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:416:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} is not derived from 'const std::reverse_iterator<_Iterator>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from islands.cpp:2:
/usr/include/c++/10/bits/stl_iterator.h:1469:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1469 | operator>(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1469:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} is not derived from 'const std::move_iterator<_IteratorL>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from islands.cpp:2:
/usr/include/c++/10/bits/stl_iterator.h:1519:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator>(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1519 | operator>(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1519:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} is not derived from 'const std::move_iterator<_IteratorL>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from islands.cpp:2:
/usr/include/c++/10/string_view:563:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)'
563 | operator> (basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:563:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: 'std::vector<std::pair<int, int> >' is not derived from 'std::basic_string_view<_CharT, _Traits>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from islands.cpp:2:
/usr/include/c++/10/string_view:569:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(std::basic_string_view<_CharT, _Traits>, std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >)'
569 | operator> (basic_string_view<_CharT, _Traits> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:569:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: 'std::vector<std::pair<int, int> >' is not derived from 'std::basic_string_view<_CharT, _Traits>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/bits/basic_string.h:48,
from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from islands.cpp:2:
/usr/include/c++/10/string_view:576:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator>(std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >, std::basic_string_view<_CharT, _Traits>)'
576 | operator> (__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
| ^~~~~~~~
/usr/include/c++/10/string_view:576:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from islands.cpp:2:
/usr/include/c++/10/bits/basic_string.h:6305:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
6305 | operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6305:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from islands.cpp:2:
/usr/include/c++/10/bits/basic_string.h:6318:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
6318 | operator>(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6318:5: note: template argument deduction/substitution failed:
islands.cpp:63:24: note: '__gnu_cxx::__alloc_traits<std::allocator<std::vector<std::pair<int, int> > >, std::vector<std::pair<int, int> > >::value_type' {aka 'std::vector<std::pair<int, int> >'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
63 | if (ans || gp[0] > 1) return VI{1, 4, 8, 8};
| ^
In file included from /usr/include/c++/10/string:55,
from /usr/include/c++/10/bits/locale_classes.h:40,
from /usr/include/c++/10/bits/ios_base.h:41,
from /usr/include/c++/10/ios:42,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from islands.cpp:2:
/usr/include/c++/10/bits/basic_string.h:6330:5: note: candidate: