Compilare: user.cpp: In function ‘int main()’: user.cpp:23:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ user.cpp:25:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&v[i].l,&v[i].g); ^ user.cpp:22:15: warning: ‘ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] int i,j,n,ind,max,rasp=0,cate=0; ^