# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
458684 | zeyu | Bitaro’s Party (JOI18_bitaro) | 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.
#include <bits/stdc++.h>
#define maxn 100010
using namespace std;
const int B = 320;
int n, m, q;
typedef pair<int, int> pi;
vector<int> prv[maxn];
vector<pi> far[maxn];
vector<int> vis(maxn, -1), val(maxn);
vector<int> y(maxn, -1);
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cin >> n >> m >> q;
for (int i = 0; i < m; i ++){
int x, y;
cin >> x >> y;
x --; y --;
prv[y].push_back(x);
}
for (int i = 0; i < n; i ++){
vector<int> all;
vector<int> dist[B];
for (int j = 0; j < (int)prv[i].size(); j ++){
int x = prv[i][j];
for (int k = 0; k < (int)far[x].size(); k ++){
int z = far[x][k].second;
if (vis[z] != i){
vis[z] = i;
all.push_back(z);
val[z] = far[x][k].first + 1;
} else{
val[z] = max(val[z], far[x][k].first + 1);
}
}
if (vis[x] != i){
vis[x] = i;
all.push_back(x);
val[x] = 1;
}
}
all.push_back(i);
val[i] = 0;
for (int j = 0; j < (int)all.size(); j ++){
if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[j]);
}
int cnt = 0;
for (int k = B - 1; k >= 0; k --){
for (int j = 0; j < (int)dist[k].size(); j ++){
far[i].push_back(make_pair(k, dist[k][j]));
cnt ++;
if (cnt == B) break;
}
}
}
while(q --){
int t; cin >> t; t --;
int r; cin >> r;
for (int i = 0; i < r; i ++){
int p; cin >> p; y[p - 1] = q;
}
if (r >= B){
vector<int> dp(n, -1);
for (int i = 0; i <= t; i ++){
if (y[i] != q){
dp[i] = max(dp[i], 0);
}
for (int j = 0; j < (int)prv[i].size(); j ++){
if (dp[prv[i][j]] != -1) dp[i] = max(dp[i], dp[prv[i][j]] + 1);
}
}
cout << dp[t] << '\n';
} else{
for (int i = 0; i < (int)far[t].size(); i ++){
if (y[far[t][i].second] != q){
cout << far[t][i].first << '\n';
goto done;
}
}
cout << -1 << '\n';
done: continue;
}
}
}
Compilation message (stderr)
bitaro.cpp: In function 'int main()': bitaro.cpp:46:26: error: no match for 'operator<' (operand types are 'std::vector<int>' and 'const int') 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[j]); | ~~~~~~~~~~~~~~~~~ ^ ~ | | | | | const 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 bitaro.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: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[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 bitaro.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: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[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 bitaro.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: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[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 bitaro.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: bitaro.cpp:46:28: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'const int' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[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 bitaro.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: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[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 bitaro.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: bitaro.cpp:46:28: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'const int' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[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 bitaro.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: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[j]); | ^ 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 bitaro.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: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'const std::pair<_T1, _T2>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[j]); | ^ 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 bitaro.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:366:5: note: candidate: 'template<class _Iterator> constexpr 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: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[j]); | ^ 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 bitaro.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:404:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr 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: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'const std::reverse_iterator<_Iterator>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[j]); | ^ 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 bitaro.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1451:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr 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: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[j]); | ^ 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 bitaro.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1507:5: note: candidate: 'template<class _Iterator> constexpr 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: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'const std::move_iterator<_IteratorL>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[j]); | ^ 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 bitaro.cpp:1: /usr/include/c++/10/string_view:544:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)' 544 | operator< (basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:544:5: note: template argument deduction/substitution failed: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[j]); | ^ 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 bitaro.cpp:1: /usr/include/c++/10/string_view:550:5: 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> >)' 550 | operator< (basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:550:5: note: template argument deduction/substitution failed: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[j]); | ^ 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 bitaro.cpp:1: /usr/include/c++/10/string_view:557:5: 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>)' 557 | operator< (__type_identity_t<basic_string_view<_CharT, _Traits>> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:557:5: note: template argument deduction/substitution failed: bitaro.cpp:46:28: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[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 bitaro.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, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 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: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[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 bitaro.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, _Allocator>&, 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: bitaro.cpp:46:28: note: 'std::vector<int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[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 bitaro.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, _Allocator>&)' 6292 | operator<(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6292:5: note: template argument deduction/substitution failed: bitaro.cpp:46:28: note: mismatched types 'const _CharT*' and 'std::vector<int>' 46 | if (dist[val[all[j]]] < B) dist[val[all[j]]].push_back(all[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 bitaro.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 'std::vector<int>' to 'const std::error_code&' 252 | operator<(const error_code& __lhs, const error_code& __rhs) noexcept | ~~~~~~~~~~~~~~~~~~^~~~