Compilare: user.cpp: In function ‘void make_dp(int)’: user.cpp:29:26: warning: value computed is not used [-Wunused-value] best[i][j][1]==best[i-1][j][0]+bestnode[v[x][i]][0]+abs(x-v[x][i-1]); ^ user.cpp:37:13: warning: unused variable ‘nodul’ [-Wunused-variable] int nodul=v[x][0]; ^ user.cpp: In function ‘void dfs(int)’: user.cpp:45:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int cnt=0;cnt<v[x].size();cnt++) ^