answer.code: In function ‘std::vector<long long int> find_spread(int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)’:
answer.code:85:2: error: expected ‘}’ at end of input
   85 | }
      |  ^
answer.code:41:102: note: to match this ‘{’
   41 | vector<ll> find_spread(int N,int M,vector<int>A,vector<int>B,vector<int>P,vector<int>D,vector<int>C) {
      |                                                                                                      ^
answer.code:85:2: warning: control reaches end of non-void function [-Wreturn-type]
   85 | }
      |  ^