| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 486733 | pppickleman | One-Way Streets (CEOI17_oneway) | C++11 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
#define f first
#define s second
int n, m, a, b, l, p;
int pre[100000];
int ind[100000];
pii edge[100000];
int back[100000];
int val[100000];
int val2[100000];
int starts[100];
int finishes[100];
int visited[100000];
char dir[100000];
vector<int> cycle;
vector<int> adj[1000];
string ans;
int next(pii x, int u)
{
return x.f ^ x.s ^ u;
}
void dfs(int n)
{
for (auto e : adj[n]){
int v = next(edge[e], n);
if (v != pre[n]){
if (ind[v] == 1e9){
ind[v] = min(ind[v], ind[n] + 1);
pre[v] = n;
dfs(v);
val[n] += val[v];
if (val[v] != 0)
cycle.push_back(e);
} else {
if (ind[v] <= ind[n]){
val[n]++;
val[v]--;
cycle.push_back(e);
dir[e] = 'B';
}
}
}
}
}
void dfs2(int n)
{
for (auto e : adj[n]){
int v = next(edge[e], n);
if (ind[n] <= ind[v] && dir[e] != 'B'){
dfs2(v);
val2[n] += val2[v];
}
}
}
int main ()
{
cin >> n >> m;
int rept;
for (int i = 0; i < m; i++){
cin >> a >> b;
rept = 0;
for (int j = 0; j < adj[a - 1]; j++){
if (b - 1 == next(edge[adj[a - 1][j]], a - 1))
rept = 1;
}
if (rept == 0){
edge[i].f = a - 1;
edge[i].s = b - 1;
adj[a - 1].push_back(i);
adj[b - 1].push_back(i);
}
}
for (int i = 0; i < n; i++){
ind[i] = 1e9;
}
ind[0] = 1;
memset(val, 0, sizeof(val));
dfs(0);
cin >> p;
for (int i = 0; i < p; i++){
cin >> a >> b;
starts[i] = a - 1;
finishes[i] = b - 1;
}
memset(val2, 0, sizeof(val));
for (int i = 0; i < p; i++){
val2[starts[i]]++;
val2[finishes[i]]--;
}
dfs2(0);
int k;
for (int i = 0; i < m; i++){
if (ind[edge[i].f] > ind[edge[i].s])
k = val2[edge[i].f];
else
k = val2[edge[i].s];
if (k > 0)
dir[i] = 'R';
else if (k < 0)
dir[i] = 'L';
else
dir[i] = 'B';
}
for (int i = 0; i < m; i++)
cout << dir[i];
}
Compilation message (stderr)
oneway.cpp: In function 'int main()':
oneway.cpp:75:27: error: no match for 'operator<' (operand types are 'int' and 'std::vector<int>')
75 | for (int j = 0; j < adj[a - 1]; j++){
| ~ ^ ~~~~~~~~~~
| | |
| int std::vector<int>
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from oneway.cpp:1:
/usr/include/c++/10/bits/regex.h:1075:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
1075 | operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1075:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from oneway.cpp:1:
/usr/include/c++/10/bits/regex.h:1156:5: 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>&)'
1156 | operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1156:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from oneway.cpp:1:
/usr/include/c++/10/bits/regex.h:1249:5: 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>&)'
1249 | operator<(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1249:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from oneway.cpp:1:
/usr/include/c++/10/bits/regex.h:1323:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
1323 | operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1323:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from oneway.cpp:1:
/usr/include/c++/10/bits/regex.h:1417:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
1417 | operator<(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1417:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from oneway.cpp:1:
/usr/include/c++/10/bits/regex.h:1492:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
1492 | operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1492:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/regex:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
from oneway.cpp:1:
/usr/include/c++/10/bits/regex.h:1592:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
1592 | operator<(const sub_match<_Bi_iter>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1592:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
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 oneway.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:489:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
489 | operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:489:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::pair<_T1, _T2>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
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 oneway.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:366:5: note: candidate: 'template<class _Iterator> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
366 | operator<(const reverse_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:366:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
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 oneway.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:404:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
404 | operator<(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:404:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
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 oneway.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1451:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1451 | operator<(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1451:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
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 oneway.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1507:5: note: candidate: 'template<class _Iterator> bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
1507 | operator<(const move_iterator<_Iterator>& __x,
| ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1507:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
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 oneway.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6267:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
6267 | operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6267:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
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 oneway.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6280:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)'
6280 | operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6280:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
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 oneway.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6292:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
6292 | operator<(const _CharT* __lhs,
| ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6292:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const _CharT*' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/bits/ios_base.h:46,
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 oneway.cpp:1:
/usr/include/c++/10/system_error:252:3: note: candidate: 'bool std::operator<(const std::error_code&, const std::error_code&)'
252 | operator<(const error_code& __lhs, const error_code& __rhs) noexcept
| ^~~~~~~~
/usr/include/c++/10/system_error:252:31: note: no known conversion for argument 1 from 'int' to 'const std::error_code&'
252 | operator<(const error_code& __lhs, const error_code& __rhs) noexcept
| ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/10/system_error:379:3: note: candidate: 'bool std::operator<(const std::error_condition&, const std::error_condition&)'
379 | operator<(const error_condition& __lhs,
| ^~~~~~~~
/usr/include/c++/10/system_error:379:36: note: no known conversion for argument 1 from 'int' to 'const std::error_condition&'
379 | operator<(const error_condition& __lhs,
| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/10/deque:67,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:68,
from oneway.cpp:1:
/usr/include/c++/10/bits/stl_deque.h:2279:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator<(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)'
2279 | operator<(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y)
| ^~~~~~~~
/usr/include/c++/10/bits/stl_deque.h:2279:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::deque<_Tp, _Alloc>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/tuple:39,
from /usr/include/c++/10/functional:54,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
from oneway.cpp:1:
/usr/include/c++/10/array:284:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> bool std::operator<(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)'
284 | operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b)
| ^~~~~~~~
/usr/include/c++/10/array:284:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::array<_Tp, _Nm>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/functional:54,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
from oneway.cpp:1:
/usr/include/c++/10/tuple:1435:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator<(const std::tuple<_Tps ...>&, const std::tuple<_Elements ...>&)'
1435 | operator<(const tuple<_TElements...>& __t,
| ^~~~~~~~
/usr/include/c++/10/tuple:1435:5: note: template argument deduction/substitution failed:
oneway.cpp:75:38: note: mismatched types 'const std::tuple<_Tps ...>' and 'int'
75 | for (int j = 0; j < adj[a - 1]; j++){
| ^
In file included from /usr/include/c++/10/bits/locale_conv.h:41,
from /usr/include/c++/10/locale:43,
from /usr/include/c++/10/iomanip:43,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72,
from oneway.cpp:1:
/usr/include/c++/10/bits/unique_ptr.h:795:5: note: candidate: 'template<class _Tp, class _Dp, class _Up, class _Ep> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, const std::unique_ptr<_Up, _Ep>&)'
79