View Compilation Error

0_0_4954517_3970.cpp:8: error: `max' was not declared in this scope
0_0_4954517_3970.cpp:8: error: `max' was not declared in this scope
0_0_4954517_3970.cpp:8: error: `max' was not declared in this scope
0_0_4954517_3970.cpp: In function `int main()':
0_0_4954517_3970.cpp:23: error: `p1' undeclared (first use this function)
0_0_4954517_3970.cpp:23: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4954517_3970.cpp:29: error: `p2' undeclared (first use this function)
0_0_4954517_3970.cpp:35: error: `p3' undeclared (first use this function)