Compilare: main.c: In function 'main': main.c:33:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d ", &n, &m, &q ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:53:5: warning: ignoring return value of 'fgets', declared with attribute warn_unused_result [-Wunused-result] fgets( linie, 20, fin ); // citim o linie ^~~~~~~~~~~~~~~~~~~~~~~