Eroare de compilare: main.cpp:7:9: error: 'const int div' redeclared as different kind of symbol div = 1E9 + 3, Minus = 1E9 + 4; ^~~ In file included from /usr/include/c++/6/cstdlib:75:0, from /usr/include/c++/6/ext/string_conversions.h:41, from /usr/include/c++/6/bits/basic_string.h:5420, from /usr/include/c++/6/string:52, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/stdlib.h:788:14: note: previous declaration 'div_t div(int, int)' extern div_t div (int __numer, int __denom) ^~~ main.cpp: In function 'int main()': main.cpp:31:30: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator==' else if (st[top] == div) ~~~~~~~~^~~~~~ main.cpp:53:25: error: cannot resolve overloaded function 'div' based on conversion to type 'int' st[++top] = div; ^~~ main.cpp:77:30: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator==' else if (st[top] == div) ~~~~~~~~^~~~~~ Non zero exit status: 1