Compilare: user.c: In function ‘main’: user.c:11:34: warning: unused variable ‘poz’ [-Wunused-variable] int x,y,i,j,maxi=-1,maxi1=-1,poz; ^ user.c:11:25: warning: unused variable ‘maxi1’ [-Wunused-variable] int x,y,i,j,maxi=-1,maxi1=-1,poz; ^ user.c:11:17: warning: unused variable ‘maxi’ [-Wunused-variable] int x,y,i,j,maxi=-1,maxi1=-1,poz; ^ user.c:12:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ user.c:13:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&m); ^ user.c:17:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&x); ^ user.c:30:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&x); ^ user.c:31:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&y); ^