# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
651318 | 2022-10-18T09:28:17 Z | therealpain | Dreaming (IOI13_dreaming) | C++17 | Compilation error |
0 ms | 0 KB |
//#include "dreaming.h" #include <bits/stdc++.h> #define fi first #define se second #define mp make_pair #define getbit(x, i) (((x) >> (i)) & 1) #define all(x) x.begin(), x.end() #define TASK "DREAMING" using namespace std; template <typename T1, typename T2> bool mini(T1 &a, T2 b) { if (a > b) {a = b; return true;} return false; } template <typename T1, typename T2> bool maxi(T1 &a, T2 b) { if (a < b) {a = b; return true;} return false; } const long long inf = 1e18; const int mod = 1e9 + 7; const int N = 1e5 + 7; long long dp[N][2], g[N], d[N], ans; pair <int, int> center_dist; vector <pair <int, int>> a[N]; bool visited[N]; int n, m, l; void dfs1(int u, int p) { visited[u] = 1; for (auto i : a[u]) { if (i.fi == p) continue; int v = i.fi, w = i.se; dfs1(v, u); if (dp[u][0] < dp[v][0] + w) { dp[u][1] = dp[u][0]; dp[u][0] = dp[v][0] + w; } else if (dp[v][0] + w > dp[u][1]) dp[u][1] = dp[v][0] + w; } maxi(ans, dp[u][0] + dp[u][1]); } void dfs2(int u, int p, long long w) { if (p != u) g[u] = max(g[p] + w, (dp[u][0] + w == dp[p][0]) ? dp[p][1] + w : dp[p][0]); mini(center_dist, mp(max(g[u], dp[u][0]), u)); for (auto i : a[u]) { if (i.fi == p) continue; int v = i.fi, w2 = i.se; dfs2(v, u, w2); } } int travelTime(int N, int M, int L, int A[], int B[], int T[]) { n = N; m = M; l = L; for (int i = 0; i < m; ++i) { int u = ++A[i], v = ++B[i], w = T[i]; a[u].push_back({v, w}); a[v].push_back({u, w}); } vector <pair <int, int>> v; for (int i = 1; i <= n; ++i) { if (visited[i] == 1) continue; dfs1(i, i); center_dist = mp(1e9 + 9, 0); dfs2(i, i, 0); v.push_back(center_dist); } sort(all(v), greater <pair <int, int>>()); for (int i = 1; i < v.size(); ++i) { a[v[0].se].emplace_back(v[i].se, l); a[v[i].se].emplace_back(v[0].se, l); } memset(dp, 0, sizeof dp); ans = 0; dfs1(1, 1); return ans; }
Compilation message
dreaming.cpp: In function 'int travelTime(int, int, int, int*, int*, int*)': dreaming.cpp:72:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for (int i = 1; i < v.size(); ++i) { | ~~^~~~~~~~~~ dreaming.cpp: In instantiation of 'bool mini(T1&, T2) [with T1 = std::pair<int, int>; T2 = std::pair<long long int, int>]': dreaming.cpp:46:47: required from here dreaming.cpp:13:8: error: no match for 'operator>' (operand types are 'std::pair<int, int>' and 'std::pair<long long int, int>') 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from dreaming.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: dreaming.cpp:13:8: note: 'std::pair<long long int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from dreaming.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: dreaming.cpp:13:8: note: 'std::pair<long long int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ 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 dreaming.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: dreaming.cpp:13:8: note: deduced conflicting types for parameter '_T1' ('int' and 'long long int') 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ 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 dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'const std::reverse_iterator<_Iterator>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ 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 dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'const std::reverse_iterator<_Iterator>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ 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 dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'const std::move_iterator<_IteratorL>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ 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 dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'const std::move_iterator<_IteratorL>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ 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 dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ 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 dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ 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 dreaming.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: dreaming.cpp:13:8: note: 'std::pair<long long int, int>' is not derived from 'std::basic_string_view<_CharT, _Traits>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ 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 dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ 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 dreaming.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: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ 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 dreaming.cpp:2: /usr/include/c++/10/bits/basic_string.h:6330:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator>(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)' 6330 | operator>(const _CharT* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/basic_string.h:6330:5: note: template argument deduction/substitution failed: dreaming.cpp:13:8: note: mismatched types 'const _CharT*' and 'std::pair<int, int>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ 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 dreaming.cpp:2: /usr/include/c++/10/array:293:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> bool std::operator>(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)' 293 | operator>(const array<_Tp, _Nm>& __one, const array<_Tp, _Nm>& __two) | ^~~~~~~~ /usr/include/c++/10/array:293:5: note: template argument deduction/substitution failed: dreaming.cpp:13:8: note: 'std::pair<int, int>' is not derived from 'const std::array<_Tp, _Nm>' 13 | if (a > b) {a = b; return true;} return false; | ~~^~~ In file included from /usr/include/c++/10/functional:54, from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13, from /usr/include/