Compilare: main.cpp: In function 'int main()': main.cpp:105:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < t.size(); ++i) ~~^~~~~~~~~~ main.cpp:102:14: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] traseu(x, y); ^ main.cpp:102:14: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]