0_0_18125309_21851.cpp: In function 'double dijkstra(int, int)':
0_0_18125309_21851.cpp:42:69: error: wrong number of template arguments (0, should be 1)
priority_queue<pair<double, int>, vector<pair<double, int>>,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++/random:40,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
from 0_0_18125309_21851.cpp:2:
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_18125309_21851.cpp:42:70: error: template argument 3 is invalid
priority_queue<pair<double, int>, vector<pair<double, int>>,greater<>> q;
^
0_0_18125309_21851.cpp:42:74: error: invalid type in declaration before ';' token
priority_queue<pair<double, int>, vector<pair<double, int>>,greater<>> q;
^
0_0_18125309_21851.cpp:52:7: error: request for member 'push' in 'q', which is of non-class type 'int'
q.push(make_pair(shortest[path[s][i].first], path[s][i].first));
^
0_0_18125309_21851.cpp:55:13: error: request for member 'empty' in 'q', which is of non-class type 'int'
while (!q.empty()){
^
0_0_18125309_21851.cpp:56:16: error: request for member 'top' in 'q', which is of non-class type 'int'
if (!used[q.top().second])break;
^
0_0_18125309_21851.cpp:57:6: error: request for member 'pop' in 'q', which is of non-class type 'int'
q.pop();
^
0_0_18125309_21851.cpp:59:9: error: request for member 'empty' in 'q', which is of non-class type 'int'
if (q.empty())break;
^
0_0_18125309_21851.cpp:60:9: error: request for member 'top' in 'q', which is of non-class type 'int'
s = q.top().second;
^
0_0_18125309_21851.cpp:61:5: error: request for member 'pop' in 'q', which is of non-class type 'int'
q.pop();
^
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