View Compilation Error

1_291_475_3162.cpp: In function `void dpfun()':
1_291_475_3162.cpp:12: error: `max' undeclared (first use this function)
1_291_475_3162.cpp:12: error: (Each undeclared identifier is reported only once for each function it appears in.)
1_291_475_3162.cpp:13: error: `count' undeclared (first use this function)
1_291_475_3162.cpp: In function `int main()':
1_291_475_3162.cpp:61: error: `max' undeclared (first use this function)