Compilare: user.cpp: In function ‘void citire()’: user.cpp:19: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void divide()’: user.cpp:25: warning: comparison between signed and unsigned integer expressions user.cpp:29: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long int’ user.cpp: In function ‘int main()’: user.cpp:35: warning: unused variable ‘n’