Compilare: main.cpp: In function 'int main()': main.cpp:34:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for (int i = 0; i < numere.size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp:38:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for (int i = 0; i < numere.size(); i++) | ~~^~~~~~~~~~~~~~~ main.cpp:20:27: warning: iteration 999999 invokes undefined behavior [-Waggressive-loop-optimizations] 20 | if (factoriprimi[i] > 0){ | ~~~~~~~~~~~~~~^ main.cpp:19:23: note: within this loop 19 | for (int i = 2; i <= 1000001; i++){ | ~~^~~~~~~~~~