Compilare: main.c: In function 'main': main.c:12:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d", &cer ); ^~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:22:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d", &b, &a, &k ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:50:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:52:13: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%d %d", &ci, &k ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:74:25: warning: 'ok' may be used uninitialized in this function [-Wmaybe-uninitialized] if ( ci > 1 && ok != 2 ) ~~~~~~~^~~~~~~~~~