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<G[x].size();i++) ~^~~~~~~~~~~~ main.cpp: In function 'void dfsGT(int)': main.cpp:36:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<GT[x].size();i++) ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:80:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<sol[i].size();j++) ~^~~~~~~~~~~~~~ main.cpp:80:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int j=0;j<sol[i].size();j++) ^~~ main.cpp:82:12: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fout<<"\n"; ^~~~