Compilare: user.c: In function ‘main’: user.c:32:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&p); ^ user.c: In function ‘findn’: user.c:16:21: warning: ‘paux’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(l<=r&&paux!=p) ^ user.c:25:5: warning: ‘mid’ may be used uninitialized in this function [-Wmaybe-uninitialized] return mid-mid%5; ^