Compilare: main.cpp: In function 'int main()': main.cpp:31:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%lld%lld",&n,&d); ^ main.cpp:34:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%lld",&v[i]); ^ main.cpp:101:34: warning: 'cnt' may be used uninitialized in this function [-Wmaybe-uninitialized] while (nr + 1 <= cnt && x % (aux * v[n]) == 0){ ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~