Compilare: user.c: In function ‘main’: user.c:102:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d%d%d%d%d%d%d%d%d" ,&n,&ltin,&ctin,&lsur1,&csur1,&lsur2,&csur2,&lrob1,&crob1,&lrob2,&crob2,&k); ^ user.c:106:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d" ,&poz1,&poz2); ^ user.c:122:19: warning: ‘nr’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(nr>max) max=nr; ^