View Compilation Error

50789_0_29306.cpp:1:2: invalid preprocessing directive #i
50789_0_29306.cpp: In function `int main()':
50789_0_29306.cpp:9: error: `cout' undeclared (first use this function)
50789_0_29306.cpp:9: error: (Each undeclared identifier is reported only once for each function it appears in.)