Compilare: user.cpp: In function ‘void afisare()’: user.cpp:84:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In function ‘void citire()’: user.cpp:31:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:33:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &a[i]); ^