View Compilation Error

0_0_39440180_23661.cpp: In function 'int main()':
0_0_39440180_23661.cpp:12:33: error: 'n' was not declared in this scope
   12 |                 for (int i=2;i<=n;i++)
      |                                 ^
0_0_39440180_23661.cpp:14:30: error: 'j' was not declared in this scope
   14 |                         for (j=1;j<=i;j++)
      |                              ^
0_0_39440180_23661.cpp:23:33: error: 'n' was not declared in this scope
   23 |                 for (int i=1;i<=n;i++)
      |                                 ^
0_0_39440180_23661.cpp:25:27: error: 'n' was not declared in this scope
   25 |                 cout<<ans[n]<<endl;
      |                           ^