Borderou de evaluare (job #738841)

Eroare de compilare: In file included from /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/stack:61, from main.cpp:4: /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/bits/stl_stack.h: In instantiation of 'class std::stack<std::pair<int, int>*, comparator1>': main.cpp:42:37: required from here /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/bits/stl_stack.h:140:57: error: no type named 'value_type' in 'struct comparator1' 140 | typedef typename _Sequence::value_type value_type; | ^~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/bits/stl_stack.h:141:57: error: no type named 'reference' in 'struct comparator1' 141 | typedef typename _Sequence::reference reference; | ^~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/bits/stl_stack.h:142:57: error: no type named 'const_reference' in 'struct comparator1' 142 | typedef typename _Sequence::const_reference const_reference; | ^~~~~~~~~~~~~~~ /usr/lib/gcc/i686-pc-linux-gnu/12/include/g++-v12/bits/stl_stack.h:143:57: error: no type named 'size_type' in 'struct comparator1' 143 | typedef typename _Sequence::size_type size_type; | ^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:64:19: error: 'class std::stack<std::pair<int, int>*, comparator1>' has no member named 'push' 64 | stiva.push(elem); | ^~~~ main.cpp:69:33: error: void value not ignored as it ought to be 69 | elem = stiva.pop(); | ~~~~~~~~~^~