View Compilation Error

0_0_36331212_30542.cpp: In function 'void dfs(int, int)':
0_0_36331212_30542.cpp:62:76: error: 'lldp' was not declared in this scope
         ans = (ans + (((1ll*dp[u.fi][1] * (c[0] - dp[u.fi][0])) % mod + (1*lldp[u.fi][0] * (c[1] - dp[u.fi][1])) % mod) % mod * u.se) % mod) % mod;
                                                                            ^