Compilare: main.cpp: In function 'void dfs(int)': main.cpp:24:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < G[nod].size(); ++i){ ~~^~~~~~~~~~~~~~~ main.cpp: In function 'void findbucla(int, int)': main.cpp:37:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < G[nod].size(); ++i){ ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:75:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < bucla.size(); i++){ ~~^~~~~~~~~~~~~~ main.cpp:80:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 1; i < bucla.size(); i++){ ~~^~~~~~~~~~~~~~ main.cpp:87:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 1; i < bucla.size(); i++){ ~~^~~~~~~~~~~~~~