View Compilation Error

0_0_38812886_29917.cpp: In function 'int main()':
0_0_38812886_29917.cpp:24:17: error: 'srt' was not declared in this scope; did you mean 'st'?
   24 |                 srt(z+1,z+1+n);
      |                 ^~~
      |                 st