Compilare: main.cpp: In function 'std::vector<long long int> getPrimeDivisors(i64, std::vector<long long int>)': main.cpp:26:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0 ; i < primeNumbers.size() && primeNumbers[i] * primeNumbers[i] <= B ; ++ i) { ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:63:32: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=] fscanf(in, "%d", &tests) ; ^ main.cpp:63:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &tests) ; ^ main.cpp:66:49: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%lld %lld", &A, &B) ; ^