View Compilation Error

0_0_23326510_25513.cpp: In function 'int main(int, char**)':
0_0_23326510_25513.cpp:65:6: error: 'i' was not declared in this scope
  for(i=1;i<=n;i++)
      ^
0_0_23326510_25513.cpp:65:13: error: 'n' was not declared in this scope
  for(i=1;i<=n;i++)
             ^