0_0_39526969_24314.cpp:27:31: error: redefinition of 'int dep [1000010]' 27 | int fa[N],son[N],top[N],sz[N],dep[N],L[N],R[N],tot; | ^~~ 0_0_39526969_24314.cpp:25:5: note: 'int dep [1000010]' previously declared here 25 | int dep[N]; | ^~~