Eroare de compilare in evaluator: user.cpp:906:12: warning: "/*" within comment user.cpp: In function 'int main()': user.cpp:886: error: 'b' was not declared in this scope user.cpp:888: warning: comparison between signed and unsigned integer expressions user.cpp:899: warning: comparison between signed and unsigned integer expressions user.cpp:900: error: 'b' was not declared in this scope user.cpp:903: error: 'b' was not declared in this scope