Compilare: user.cpp:13:36: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] char expresie[MAX_LENGTH] = { NULL }; ^ user.cpp: In function ‘int SolveParantese1(int&)’: user.cpp:65:9: warning: variable ‘mxIx’ set but not used [-Wunused-but-set-variable] int mxIx; ^ user.cpp: In function ‘void Read()’: user.cpp:35:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%s", &expresie[0]); ^ user.cpp: In function ‘int SolveParantese1(int&)’: user.cpp:113:12: warning: ‘result’ may be used uninitialized in this function [-Wmaybe-uninitialized] return result; ^