Compilare: user.cpp: In function ‘int main()’: user.cpp:24:19: warning: unused variable ‘p’ [-Wunused-variable] int n,k,i,j,l,p,s; ^ user.cpp:24:21: warning: unused variable ‘s’ [-Wunused-variable] int n,k,i,j,l,p,s; ^ user.cpp:25:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d",&n,&k); ^ user.cpp:27:57: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d%d",&v[i].lg,&v[i].pr,&v[i].sc); ^