View Compilation Error

0_0_37118850_17971.cpp: In function 'void solve()':
0_0_37118850_17971.cpp:78:18: error: no match for 'operator[]' (operand types are 'std::vector<node> [100010]' and 'std::pair<const long long int, long long int>')
  for(auto x:mp)fz[x].clear();
                  ^