View Compilation Error

0_0_39185427_26852.cpp: In function 'int main()':
0_0_39185427_26852.cpp:6:17: error: 'cin' was not declared in this scope
    6 |                 cin>>a[i];
      |                 ^~~
0_0_39185427_26852.cpp:25:17: error: 'cout' was not declared in this scope
   25 |                 cout<<a[i];
      |                 ^~~~