Compilare: main.cpp: In function 'int main()': main.cpp:59:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < to[faza.second].size(); i++) ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:63:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < cond[to[faza.second][i]].size(); j++) ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:97:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < cond[ord[i]].size(); j++) ~~^~~~~~~~~~~~~~~~~~~~~