Compilare: main.cpp: In function 'int main()': main.cpp:68:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0;i < cycle.size();++i) ~~^~~~~~~~~~~~~~ main.cpp:75:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (badright == cycle.size()) ~~~~~~~~~^~~~~~~~~~~~~~~ main.cpp:86:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1;i < cycle.size();++i) ~~^~~~~~~~~~~~~~ main.cpp:97:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1;i < cycle.size();++i) ~~^~~~~~~~~~~~~~