View Compilation Error

347734_0_15823.cpp: In function `int main()':
347734_0_15823.cpp:8: error: `max' undeclared (first use this function)
347734_0_15823.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
347734_0_15823.cpp:9: error: `a' undeclared (first use this function)