Compilare: main.cpp: In function 'int main()': main.cpp:24:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v.size(); ++i) ~~^~~~~~~~~~ main.cpp:26:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i; j < v.size(); ++j) ~~^~~~~~~~~~ main.cpp:35:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < rez.size(); ++i) ~~^~~~~~~~~~~~