Compilare: main.c: In function 'main': main.c:9:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &n, &ant ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:13:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &a ); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:27:5: warning: 'ic' may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf( fout, "%d %d %d", max, ic + 1, sf + 1 ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~