View Compilation Error

0_0_5206669_15828.cpp: In function `int main()':
0_0_5206669_15828.cpp:14: error: `cout' undeclared (first use this function)
0_0_5206669_15828.cpp:14: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5206669_15828.cpp:14: error: `ios' has not been declared
0_0_5206669_15828.cpp:14: error: `fixed' undeclared (first use this function)
0_0_5206669_15828.cpp:16: error: `cin' undeclared (first use this function)
0_0_5206669_15828.cpp:44: error: `endl' undeclared (first use this function)