Compilare: main.cpp: In function 'int funct(long long int, long long int)': main.cpp:37:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < primes.size(); i++) { ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int asdf(long long int)': main.cpp:62:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < primes.size(); i++){ ~~^~~~~~~~~~~~~~~