View Compilation Error

0_0_2222822_17120.cpp: In function `void cal(int, double, double)':
0_0_2222822_17120.cpp:11: error: `max' undeclared (first use this function)
0_0_2222822_17120.cpp:11: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2222822_17120.cpp: In function `int main()':
0_0_2222822_17120.cpp:58: error: `max' undeclared (first use this function)