View Compilation Error

24577_0_20670.cpp
24577_0_20670.cpp(5) : error C2065: 'cin' : undeclared identifier
24577_0_20670.cpp(5) : warning C4552: '>>' : operator has no effect; expected operator with side-effect
24577_0_20670.cpp(7) : error C2065: 'cout' : undeclared identifier
24577_0_20670.cpp(7) : warning C4552: '<<' : operator has no effect; expected operator with side-effect
24577_0_20670.cpp(8) : warning C4552: '<<' : operator has no effect; expected operator with side-effect
24577_0_20670.cpp(9) : error C2065: 'OK' : undeclared identifier
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