Compilare: main.cpp: In function 'int Solve(std::vector<Segm>, std::vector<Segm>)': main.cpp:37:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int is = 0; is < a.size(); ++is) ~~~^~~~~~~~~~ main.cpp:38:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int ij = is + 1; ij < a.size(); ++ij) ~~~^~~~~~~~~~ main.cpp:43:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < b.size(); ++i) ~~^~~~~~~~~~