Compilare: main.cpp: In function 'void dfs(int)': main.cpp:18:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<adj[v].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'void dfst(int, int)': main.cpp:33:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<adjt[v].size();i++) ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:70:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<comp.size();i++) ~^~~~~~~~~~~~ main.cpp:72:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<comp[i].size();j++) ~^~~~~~~~~~~~~~~