View Compilation Error

0_0_31993531_4687.cpp: In function 'int main()':
0_0_31993531_4687.cpp:16:35: error: 'i' was not declared in this scope
                 printf("%d\n",arr[i]);
                                   ^
0_0_31993531_4687.cpp: At global scope:
0_0_31993531_4687.cpp:19:5: error: expected unqualified-id before 'return'
     return 0;
     ^
0_0_31993531_4687.cpp:20:1: error: expected declaration before '}' token
 }
 ^