View Compilation Error

0_0_13507640_6520.cpp: In function 'int main()':
0_0_13507640_6520.cpp:42:13: error: 'i' was not declared in this scope
          if(i!=num)
             ^
0_0_13507640_6520.cpp:60:17: error: 'i' was not declared in this scope
              if(i!=num)
                 ^