Compilare: main.cpp: In function 'int unite(int, int)': main.cpp:32:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Down[b].size(); i++) ~^~~~~~~~~~~~~~~ main.cpp:38:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<Down[a].size(); i++) ~^~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int, int)': main.cpp:58:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(Down[Ind[nod]].size()<l) ~~~~~~~~~~~~~~~~~~~~~^~ main.cpp:61:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(l-newVal[nod]<Down[Ind[nod]].size()) //altfel e irelevant ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp:69:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(l-Val[nod]<Down[Ind[nod]].size()) ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~