View Compilation Error

0_0_39454463_7518.cpp: In function 'int main()':
0_0_39454463_7518.cpp:236:9: error: 'i' was not declared in this scope
  236 |     rep(i,1,n)
      |         ^
0_0_39454463_7518.cpp:236:5: error: 'rep' was not declared in this scope; did you mean 'frexp'?
  236 |     rep(i,1,n)
      |     ^~~
      |     frexp