Compilare: user.cpp: In function ‘int main()’: user.cpp:54:60: warning: format ‘%ld’ expects argument of type ‘long int’, but argument 3 has type ‘int’ [-Wformat=] fprintf ( fopen ("evaluare.out", "w"), "%ld\n", eval() ); ^ user.cpp:53:49: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets ( S, MAX, fopen ("evaluare.in", "r") ); ^