View Compilation Error

0_0_21729010_9491.cpp: In function 'int main()':
0_0_21729010_9491.cpp:13:16: error: 'LL' was not declared in this scope
         vector<LL>b;
                ^
0_0_21729010_9491.cpp:13:18: error: template argument 1 is invalid
         vector<LL>b;
                  ^
0_0_21729010_9491.cpp:13:18: error: template argument 2 is invalid
0_0_21729010_9491.cpp:13:20: error: invalid type in declaration before ';' token
         vector<LL>b;
                    ^
0_0_21729010_9491.cpp:14:11: error: request for member 'resize' in 'b', which is of non-class type 'int'
         b.resize(m);
           ^
0_0_21729010_9491.cpp:15:56: error: invalid types 'int[int]' for array subscript
         for(int i = 0; i <= m; i++)  scanf("%lld", &b[i]);
                                                        ^
0_0_21729010_9491.cpp:19:24: error: invalid types 'int[int]' for array subscript
             int x = b[i] - dp[i];
                        ^