Compilare: main.cpp: In function 'long long int fu(long long int, long long int)': main.cpp:46:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(p2[i]>B) ~~~~~^~ main.cpp:50:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((p2[i]*p3[j])>B) ~~~~~~~~~~~~~^~ main.cpp:56:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if((p2[i]*p3[j]*p5[k]*p7[l])>B ) ~~~~~~~~~~~~~~~~~~~~~~~~~^~ main.cpp:58:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if((p2[i]*p3[j]*p5[k]*p7[l])>=A) ~~~~~~~~~~~~~~~~~~~~~~~~~^~~