View Compilation Error

313574_0_7639.cpp:4: error: `max' was not declared in this scope
313574_0_7639.cpp:4: error: `max' was not declared in this scope
313574_0_7639.cpp:6: error: `max' was not declared in this scope
313574_0_7639.cpp: In function `int choose(int)':
313574_0_7639.cpp:11: error: `b' undeclared (first use this function)
313574_0_7639.cpp:11: error: (Each undeclared identifier is reported only once for each function it appears in.)
313574_0_7639.cpp:11: error: `dis' undeclared (first use this function)
313574_0_7639.cpp: In function `int main()':
313574_0_7639.cpp:24: error: `max' undeclared (first use this function)
313574_0_7639.cpp:26: error: `dis' undeclared (first use this function)
313574_0_7639.cpp:44: error: `b' undeclared (first use this function)