View Compilation Error

0_0_37948835_3927.cpp:49:17: error: stray '\243' in program
                 vector<int> a；
                 ^
0_0_37948835_3927.cpp:49:17: error: stray '\273' in program
0_0_37948835_3927.cpp: In function 'int main()':
0_0_37948835_3927.cpp:50:17: error: expected initializer before 'a'
                 a=v[i];
                 ^
0_0_37948835_3927.cpp:53:38: error: invalid types 'll {aka long long int}[long long int]' for array subscript
                     ans=min(ans,f(a[l],p2,p1));
                                      ^
0_0_37948835_3927.cpp:54:38: error: invalid types 'll {aka long long int}[long long int]' for array subscript
                     ans=min(ans,f(a[r],p2,p1));
                                      ^
0_0_37948835_3927.cpp:57:32: error: invalid types 'll {aka long long int}[long long int]' for array subscript
                     if(f(a[lmid],p2,p1)<f(a[rmid],p2,p1)){
                                ^
0_0_37948835_3927.cpp:57:49: error: invalid types 'll {aka long long int}[long long int]' for array subscript
                     if(f(a[lmid],p2,p1)<f(a[rmid],p2,p1)){
                                                 ^