Compilare: main.cpp: In function 'void dfs(int, int)': main.cpp:19:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v[nod].v.size();i++) ~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:69:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<cmp.size();i++){ ~^~~~~~~~~~~ main.cpp:70:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<cmp[i].c.size();j++) ~^~~~~~~~~~~~~~~~ main.cpp:70:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int j=0;j<cmp[i].c.size();j++) ^~~ main.cpp:71:33: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<cmp[i].c[j]<<" ";g<<'\n';} ^