Borderou de evaluare (job #697442)

Compilare: main.cpp: In function 'void BKT(int)': main.cpp:40:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 40 | if(valid(k)) | ^ main.cpp: In function 'int main()': main.cpp:57:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<short int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 57 | for(j=2*i; j<=v.size(); j+=i) | ~^~~~~~~~~~