View Compilation Error

201359_0_9503.cpp: In function `void MaxSubsequenceSum(const int*, int)':
201359_0_9503.cpp:25: error: `cout' undeclared (first use this function)
201359_0_9503.cpp:25: error: (Each undeclared identifier is reported only once for each function it appears in.)
201359_0_9503.cpp:25: error: `endl' undeclared (first use this function)
201359_0_9503.cpp: In function `int main()':
201359_0_9503.cpp:33: error: `cin' undeclared (first use this function)
201359_0_9503.cpp:48: error: `cout' undeclared (first use this function)
201359_0_9503.cpp:48: error: `endl' undeclared (first use this function)