0_0_29812709_6191.cpp: In function 'LL Ans()':
0_0_29812709_6191.cpp:44:78: error: 'max' was not declared in this scope
ans = max(ans , (LL)(i - stk.Top().id) * stk.Top().height ) ;
^
0_0_29812709_6191.cpp:44:78: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:64,
from 0_0_29812709_6191.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:3454:5: note: 'std::max'
max(initializer_list<_Tp> __l, _Compare __comp)
^
0_0_29812709_6191.cpp: In function 'int main()':
0_0_29812709_6191.cpp:56:12: error: 'cin' was not declared in this scope
while(cin>> N && N){
^
0_0_29812709_6191.cpp:56:12: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:74:0,
from 0_0_29812709_6191.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:60:18: note: 'std::cin'
extern istream cin; /// Linked to standard input
^
0_0_29812709_6191.cpp:60:11: error: 'cout' was not declared in this scope
cout<<Ans()<<endl ;
^
0_0_29812709_6191.cpp:60:11: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:74:0,
from 0_0_29812709_6191.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:61:18: note: 'std::cout'
extern ostream cout; /// Linked to standard output
^
0_0_29812709_6191.cpp:60:24: error: 'endl' was not declared in this scope
cout<<Ans()<<endl ;
^
0_0_29812709_6191.cpp:60:24: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/istream:39:0,
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_29812709_6191.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:564:5: note: 'std::endl'
endl(basic_ostream<_CharT, _Traits>& __os)
^
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