View Compilation Error

0_0_33988004_304.cpp: In function 'int main()':
0_0_33988004_304.cpp:45:10: error: 'i' was not declared in this scope
      for(i=0;i<n;i++)
          ^
0_0_33988004_304.cpp:48:13: error: 'px' was not declared in this scope
             px[i]=point[i];
             ^