# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
67056 | 2018-08-13T09:26:53 Z | MrTEK | Maxcomp (info1cup18_maxcomp) | C++14 | Compilation error |
0 ms | 0 KB |
#include <bits/stdc++.h> using namespace std; #define mp make_pair #define pb push_back #define len(a) (int)a.size() #define fi first #define sc second #define d1(w) cerr<<#w<<":"<<w<<endl; #define d2(w,c) cerr<<#w<<":"<<w<<" "<<#c<<":"<<c<<endl; #define d3(w,c,z) cerr<<#w<<":"<<w<<" "<<#c<<":"<<c<<" "<<#z<<":"<<z<<endl; #define left ind+ind #define right ind+ind+1 #define mid (l+r)/2 #define FAST_IO ios_base::sync_with_stdio(false); #define endl '\n' const int maxn = 620; const long long LINF = 1e18; const int LOG = 31; const int INF = 1e9; const int N = 1e3 + 5; const int M = 4; const int SQ = 350; const int MOD = 998244353; typedef pair <int,int> pii; unordered_set <pair <int,pii> > S; int n,m,mat[N][N],vis[N][N],ans = -INF,way[4][2] = {{1,0},{0,1},{0,-1},{-1,0}}; int main() { scanf("%d %d",&n,&m); for (int i = 1 ; i <= n ; i++) for (int j = 1 ; j <= m ; j++) { scanf("%d",&mat[i][j]); vis[i][j] = -INF; S.insert(mp(-mat[i][j],mp(i,j))); } while(len(S)) { auto temp = *S.begin(); S.erase(S.begin()); int val = -temp.fi, x = temp.sc.fi, y = temp.sc.sc; if (vis[x][y] > val) continue; ans = max(ans,val - mat[x][y] - 1); for (int i = 0 ; i < 4 ; i++) { int nx = x + way[i][0] , ny = y + way[i][1]; if (nx > 0 && nx <= n && ny > 0 && ny <= m && val - 1 > vis[nx][ny]) { vis[nx][ny] = val - 1; S.insert(mp(-(val - 1),mp(nx,ny))); } } } printf("%d\n",ans); }
Compilation message
In file included from /usr/include/c++/7/bits/hashtable.h:35:0, from /usr/include/c++/7/unordered_map:47, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:117, from maxcomp.cpp:1: /usr/include/c++/7/bits/hashtable_policy.h: In instantiation of 'struct std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > >': /usr/include/c++/7/type_traits:143:12: required from 'struct std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > >' /usr/include/c++/7/type_traits:154:31: required from 'struct std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' /usr/include/c++/7/bits/unordered_set.h:98:63: required from 'class std::unordered_set<std::pair<int, std::pair<int, int> > >' maxcomp.cpp:29:33: required from here /usr/include/c++/7/bits/hashtable_policy.h:87:34: error: no match for call to '(const std::hash<std::pair<int, std::pair<int, int> > >) (const std::pair<int, std::pair<int, int> >&)' noexcept(declval<const _Hash&>()(declval<const _Key&>()))> ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/7/bits/move.h:54:0, from /usr/include/c++/7/bits/nested_exception.h:40, from /usr/include/c++/7/exception:143, from /usr/include/c++/7/ios:39, from /usr/include/c++/7/istream:38, from /usr/include/c++/7/sstream:38, from /usr/include/c++/7/complex:45, from /usr/include/c++/7/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52, from maxcomp.cpp:1: /usr/include/c++/7/type_traits: In instantiation of 'struct std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >': /usr/include/c++/7/bits/unordered_set.h:98:63: required from 'class std::unordered_set<std::pair<int, std::pair<int, int> > >' maxcomp.cpp:29:33: required from here /usr/include/c++/7/type_traits:154:31: error: 'value' is not a member of 'std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > >' : public __bool_constant<!bool(_Pp::value)> ^~~~~~~~~~~~~~~~ In file included from /usr/include/c++/7/unordered_set:48:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:118, from maxcomp.cpp:1: /usr/include/c++/7/bits/unordered_set.h: In instantiation of 'class std::unordered_set<std::pair<int, std::pair<int, int> > >': maxcomp.cpp:29:33: required from here /usr/include/c++/7/bits/unordered_set.h:98:63: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef __uset_hashtable<_Value, _Hash, _Pred, _Alloc> _Hashtable; ^~~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:105:45: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::key_type key_type; ^~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:106:47: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::value_type value_type; ^~~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:107:43: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::hasher hasher; ^~~~~~ /usr/include/c++/7/bits/unordered_set.h:108:46: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::key_equal key_equal; ^~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:109:51: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::allocator_type allocator_type; ^~~~~~~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:114:45: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::pointer pointer; ^~~~~~~ /usr/include/c++/7/bits/unordered_set.h:115:50: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::const_pointer const_pointer; ^~~~~~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:116:47: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::reference reference; ^~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:117:52: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::const_reference const_reference; ^~~~~~~~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:118:46: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::iterator iterator; ^~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:119:51: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::const_iterator const_iterator; ^~~~~~~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:120:51: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::local_iterator local_iterator; ^~~~~~~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:121:57: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::const_local_iterator const_local_iterator; ^~~~~~~~~~~~~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:122:47: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::size_type size_type; ^~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:123:52: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' typedef typename _Hashtable::difference_type difference_type; ^~~~~~~~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:282:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' operator=(initializer_list<value_type> __l) ^~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:375:2: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' emplace(_Args&&... __args) ^~~~~~~ /usr/include/c++/7/bits/unordered_set.h:419:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' insert(const value_type& __x) ^~~~~~ /usr/include/c++/7/bits/unordered_set.h:423:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' insert(value_type&& __x) ^~~~~~ /usr/include/c++/7/bits/unordered_set.h:478:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' insert(initializer_list<value_type> __l) ^~~~~~ /usr/include/c++/7/bits/unordered_set.h:679:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' equal_range(const key_type& __x) ^~~~~~~~~~~ /usr/include/c++/7/bits/unordered_set.h:683:7: error: 'value' is not a member of 'std::__not_<std::__and_<std::__is_fast_hash<std::hash<std::pair<int, std::pair<int, int> > > >, std::__detail::__is_noexcept_hash<std::pair<int, std::pair<int, int> >, std::hash<std::pair<int, std::pair<int, int> > > > > >' equal_range(const key_type& __x) const ^~~~~~~~~~~ maxcomp.cpp: In function 'int main()': maxcomp.cpp:39:35: error: no matching function for call to 'std::unordered_set<std::pair<int, std::pair<int, int> > >::insert(std::pair<int, std::pair<int, int> >)' S.insert(mp(-mat[i][j],mp(i,j))); ^ In file included from /usr/include/c++/7/unordered_set:48:0, from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:118, from maxcomp.cpp:1: /usr/include/c++/7/bits/unordered_set.h:467:2: note: candidate: template<class _InputIterator> void std::unordered_set<_Value, _Hash, _Pred, _Alloc>::insert(_InputIterator, _InputIterator) [with _InputIterator = _InputIterator; _Value = std::pair<int, std::pair<int, int> >; _Hash = std::hash<std::pair<int, std::pair<int, int> > >; _Pred = std::equal_to<std::pair<int, std::pair<int, int> > >; _Alloc = std::allocator<std::pair<int, std::pair<int, int> > >] insert(_InputIterator __first, _InputIterator __last) ^~~~~~ /usr/include/c++/7/bits/unordered_set.h:467:2: note: template argument deduction/substitution failed: maxcomp.cpp:39:35: note: candidate expects 2 arguments, 1 provided S.insert(mp(-mat[i][j],mp(i,j))); ^ maxcomp.cpp:6:23: error: 'class std::unordered_set<std::pair<int, std::pair<int, int> > >' has no member named 'size' #define len(a) (int)a.size() ^ maxcomp.cpp:41:8: note: in expansion of macro 'len' while(len(S)) { ^~~ maxcomp.cpp:42:18: error: 'class std::unordered_set<std::pair<int, std::pair<int, int> > >' has no member named 'begin' auto temp = *S.begin(); ^~~~~ maxcomp.cpp:43:5: error: 'class std::unordered_set<std::pair<int, std::pair<int, int> > >' has no member named 'erase' S.erase(S.begin()); ^~~~~ maxcomp.cpp:43:13: error: 'class std::unordered_set<std::pair<int, std::pair<int, int> > >' has no member named 'begin' S.erase(S.begin()); ^~~~~ maxcomp.cpp:45:11: error: 'x' was not declared in this scope if (vis[x][y] > val) continue; ^ maxcomp.cpp:45:14: error: 'y' was not declared in this scope if (vis[x][y] > val) continue; ^ maxcomp.cpp:46:27: error: 'x' was not declared in this scope ans = max(ans,val - mat[x][y] - 1); ^ maxcomp.cpp:46:30: error: 'y' was not declared in this scope ans = max(ans,val - mat[x][y] - 1); ^ maxcomp.cpp:49:29: error: 'ny' was not declared in this scope if (nx > 0 && nx <= n && ny > 0 && ny <= m && val - 1 > vis[nx][ny]) { ^~ maxcomp.cpp:49:29: note: suggested alternative: 'nx' if (nx > 0 && nx <= n && ny > 0 && ny <= m && val - 1 > vis[nx][ny]) { ^~ nx maxcomp.cpp:34:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&m); ~~~~~^~~~~~~~~~~~~~~ maxcomp.cpp:37:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&mat[i][j]); ~~~~~^~~~~~~~~~~~~~~~~