Compilare: user.cpp: In function ‘int main()’: user.cpp:21:9: warning: unused variable ‘n’ [-Wunused-variable] int n, i, pas, p; ^ user.cpp:21:12: warning: unused variable ‘i’ [-Wunused-variable] int n, i, pas, p; ^ user.cpp:24:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &p ); ^