0_0_33571942_19455.cpp: In function 'void dijkstra()':
0_0_33571942_19455.cpp:25:43: error: wrong number of template arguments (0, should be 1)
priority_queue<PII, vector<PII>, greater<> >q;
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:48:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/sstream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/complex:45,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/ccomplex:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:52,
from 0_0_33571942_19455.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_function.h:358:12: error: provided for 'template<class _Tp> struct std::greater'
struct greater : public binary_function<_Tp, _Tp, bool>
^
0_0_33571942_19455.cpp:25:45: error: template argument 3 is invalid
priority_queue<PII, vector<PII>, greater<> >q;
^
0_0_33571942_19455.cpp:25:47: error: invalid type in declaration before ';' token
priority_queue<PII, vector<PII>, greater<> >q;
^
0_0_33571942_19455.cpp:26:4: error: request for member 'push' in 'q', which is of non-class type 'int'
q.push({ 0,1 });
^
0_0_33571942_19455.cpp:27:12: error: request for member 'empty' in 'q', which is of non-class type 'int'
while (!q.empty()) {
^
0_0_33571942_19455.cpp:28:16: error: request for member 'top' in 'q', which is of non-class type 'int'
auto now = q.top(); q.pop();
^
0_0_33571942_19455.cpp:28:25: error: request for member 'pop' in 'q', which is of non-class type 'int'
auto now = q.top(); q.pop();
^
0_0_33571942_19455.cpp:32:18: error: 'w' was not declared in this scope
if (id == n || w == INF) break;
^
0_0_33571942_19455.cpp:38:7: error: request for member 'push' in 'q', which is of non-class type 'int'
q.push({ dis[to],to });
^
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