View Compilation Error

0_0_26900510_8409.cpp:1:2: error: stray '#' in program
 b#include<iostream>
  ^
0_0_26900510_8409.cpp:1:1: error: 'b' does not name a type
 b#include<iostream>
 ^
0_0_26900510_8409.cpp: In function 'int main()':
0_0_26900510_8409.cpp:35:9: error: 'cin' was not declared in this scope
  while (cin >> N&&N!=0)
         ^
0_0_26900510_8409.cpp:44:4: error: 'cout' was not declared in this scope
    cout << Money << endl; 
    ^
0_0_26900510_8409.cpp:44:21: error: 'endl' was not declared in this scope
    cout << Money << endl; 
                     ^
0_0_26900510_8409.cpp:48:4: error: 'cout' was not declared in this scope
    cout << Money - DP()-price[N] << endl;
    ^
0_0_26900510_8409.cpp:48:37: error: 'endl' was not declared in this scope
    cout << Money - DP()-price[N] << endl;
                                     ^