0_0_37315066_32051.cpp: In function 'void solve()':
0_0_37315066_32051.cpp:37:12: error: no match for 'operator-=' (operand types are 'long long int' and 'std::vector<long long int>::iterator {aka __gnu_cxx::__normal_iterator<long long int*, std::vector<long long int> >}')
sum-=(dis.end());
^
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