Compilare: user.cpp: In function ‘void afisare(int)’: user.cpp:5:9: warning: unused variable ‘i’ [-Wunused-variable] {int x,i,q; ^ user.cpp:5:11: warning: unused variable ‘q’ [-Wunused-variable] {int x,i,q; ^ user.cpp: In function ‘int main()’: user.cpp:22:19: warning: unused variable ‘k’ [-Wunused-variable] int a,b,in,sf,x,r,k; ^ user.cpp:20:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] {freopen ("multiplu.in","r",stdin); ^ user.cpp:21:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("multiplu.out","w",stdout); ^ user.cpp:23:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&a,&b); ^