Compilare: user.cpp:4:14: warning: integer overflow in expression [-Woverflow] #define nmax 200001 ^ user.cpp:13:59: note: in expansion of macro ‘nmax’ int n,nrfii[nmax],sum[nmax],cost[nmax],par[nmax],rez=nmax*nmax,poz; ^ user.cpp: In function ‘void DFS(int)’: user.cpp:33:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<leg[x].size();i++) ^ user.cpp: In function ‘void finalDFS(int)’: user.cpp:55:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<leg[x].size();i++) ^