0_0_36457917_9789.cpp: In function 'void tree_change(long long int, long long int, long long int)':
0_0_36457917_9789.cpp:87:15: error: 'dep' was not declared in this scope
r = r - dep[v] + dep[tot[v]];
^
0_0_36457917_9789.cpp:87:33: error: invalid types 'long long int[long long int]' for array subscript
r = r - dep[v] + dep[tot[v]];
^
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