View Compilation Error

0_0_39584462_32584.cpp: In function 'int isp(ll)':
0_0_39584462_32584.cpp:10:8: error: 'n' was not declared in this scope
   10 |     if(n <= 1){
      |        ^
0_0_39584462_32584.cpp:13:27: error: 'n' was not declared in this scope
   13 |     for(ll i = 2;i * i <= n;i++){
      |                           ^