Compilare: main.c: In function 'main': main.c:26:29: warning: unused variable 'expc' [-Wunused-variable] int q, i, exp, k, d, nrd, expc, maxk, pow, invmod; ^~~~ main.c:44:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &q ); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:46:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%lld", &n ); ^~~~~~~~~~~~~~~~~~~~~~~~~