Compilare: main.cpp: In function 'int main()': main.cpp:68:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for(int i=1; i<cycle.size(); i++){ | ~^~~~~~~~~~~~~ main.cpp:66:18: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] 66 | findCycle(x, y); | ~~~~~~~~~^~~~~~ main.cpp:66:18: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]