Compilare: user.cpp: In function ‘void dinamica()’: user.cpp:15:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,ll,c; ^ user.cpp: In function ‘int main()’: user.cpp:38:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&m,&n); ^ user.cpp:43:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&x); ^