View Compilation Error

0_0_38912329_6627.cpp: In function 'int main()':
0_0_38912329_6627.cpp:27:35: error: 'rnd' was not declared in this scope; did you mean 'rand'?
   27 |                 shuffle(a+1,a+k+1,rnd);
      |                                   ^~~
      |                                   rand