0_0_23771949_2543.cpp:30:40: error: wrong number of template arguments (0, should be 1)
priority_queue<int,vector<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++/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++/ostream:38,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
from 0_0_23771949_2543.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_23771949_2543.cpp:30:42: error: template argument 3 is invalid
priority_queue<int,vector<int>,greater<> >q;
^
0_0_23771949_2543.cpp:30:44: error: invalid type in declaration before ';' token
priority_queue<int,vector<int>,greater<> >q;
^
0_0_23771949_2543.cpp: In function 'int main()':
0_0_23771949_2543.cpp:38:12: error: request for member 'empty' in 'q', which is of non-class type 'int'
while(!q.empty()) q.pop();
^
0_0_23771949_2543.cpp:38:23: error: request for member 'pop' in 'q', which is of non-class type 'int'
while(!q.empty()) q.pop();
^
0_0_23771949_2543.cpp:50:6: error: request for member 'push' in 'q', which is of non-class type 'int'
q.push(a[i].r);
^
0_0_23771949_2543.cpp:51:9: error: request for member 'size' in 'q', which is of non-class type 'int'
if(q.size()<k) continue;
^
0_0_23771949_2543.cpp:52:9: error: request for member 'size' in 'q', which is of non-class type 'int'
if(q.size()>k) q.pop();
^
0_0_23771949_2543.cpp:52:21: error: request for member 'pop' in 'q', which is of non-class type 'int'
if(q.size()>k) q.pop();
^
0_0_23771949_2543.cpp:53:24: error: request for member 'top' in 'q', which is of non-class type 'int'
ans = max(ans,sum[q.top()]-sum[a[i].l-1]);
^
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