View Compilation Error

0_0_1208944_24960.cpp: In function `void Cal(int, double)':
0_0_1208944_24960.cpp:25: error: `max' undeclared (first use this function)
0_0_1208944_24960.cpp:25: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1208944_24960.cpp: In function `int main()':
0_0_1208944_24960.cpp:73: error: `max' undeclared (first use this function)