Compilare: main.c: In function 'main': main.c:10:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &t ); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:19:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &n, &k ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:13:14: warning: iteration 999998 invokes undefined behavior [-Waggressive-loop-optimizations] if ( ciur[d] == 0 ){ ~~~~^~~ main.c:12:3: note: within this loop for ( d = 2; d <= 1000000; d ++ ){//fac ciurul in care calculez nr de divizori primi ai numerelor pana la n ^~~