View Compilation Error

0_0_38876586_28306.cpp: In function 'void guass()':
0_0_38876586_28306.cpp:71:9: error: 'vector' was not declared in this scope
   71 |         vector<double> jie;
      |         ^~~~~~
0_0_38876586_28306.cpp:5:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
    4 | #include <cmath>
  +++ |+#include <vector>
    5 | #define mm(a,n) memset(a, n, sizeof(a))
0_0_38876586_28306.cpp:71:16: error: expected primary-expression before 'double'
   71 |         vector<double> jie;
      |                ^~~~~~
0_0_38876586_28306.cpp:72:9: error: 'jie' was not declared in this scope
   72 |         jie.pb(0);
      |         ^~~