Compilare: main.c: In function 'main': main.c:42:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &n, &k ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:45:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &v[i] ); ^~~~~~~~~~~~~~~~~~~~~~~~~~ main.c: In function 'cautBin': main.c:33:10: warning: 'last' may be used uninitialized in this function [-Wmaybe-uninitialized] return last; ^~~~