Compilare: user.c: In function ‘main’: user.c:14:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d%d" ,&n,&k1,&k2); ^ user.c:16:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d" ,&nr1,&nr2); ^ user.c:34:12: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] poz=x+1; ^ user.c:35:11: warning: ‘flag’ may be used uninitialized in this function [-Wmaybe-uninitialized] k1-=flag; ^