View Compilation Error

0_0_6995820_30424.cpp: In function `void push_down(int)':
0_0_6995820_30424.cpp:27: error: `min' undeclared (first use this function)
0_0_6995820_30424.cpp:27: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6995820_30424.cpp: In function `void insert(int, int, int, int)':
0_0_6995820_30424.cpp:35: error: `min' undeclared (first use this function)
0_0_6995820_30424.cpp: In function `int query(int, int, int)':
0_0_6995820_30424.cpp:58: error: `min' undeclared (first use this function)
0_0_6995820_30424.cpp: In function `int main()':
0_0_6995820_30424.cpp:84: error: `max' undeclared (first use this function)
0_0_6995820_30424.cpp:84: error: `min' undeclared (first use this function)