View Compilation Error

0_0_19842594_9514.cpp: In function 'int main()':
0_0_19842594_9514.cpp:17:5: error: 'cin' was not declared in this scope
     cin>>t;
     ^
0_0_19842594_9514.cpp: At global scope:
0_0_19842594_9514.cpp:44:2: error: expected unqualified-id before '/' token
 */
  ^
0_0_19842594_9514.cpp:44:2: error: expected constructor, destructor, or type conversion before '/' token