Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:28:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<g[nod].size();i++){ ^ user.cpp: In function ‘int main()’: user.cpp:67:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int it=0;it<h[key].size() && !gasit;it++) ^ user.cpp:80:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int it=0;it<h[key].size() && !gasit;it++) ^ user.cpp:90:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1;i<=zone;i++)if (g[i].size()<k) nd.push(i),eliminat[i]=1; ^ user.cpp:95:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0;j<g[v].size();j++){ ^