View Compilation Error

0_0_6657347_10021.cpp: In function `void minst()':
0_0_6657347_10021.cpp:52: error: `min' undeclared (first use this function)
0_0_6657347_10021.cpp:52: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6657347_10021.cpp: In function `void maxst()':
0_0_6657347_10021.cpp:68: error: `max' undeclared (first use this function)
0_0_6657347_10021.cpp: In function `int main()':
0_0_6657347_10021.cpp:104: error: `min' undeclared (first use this function)
0_0_6657347_10021.cpp:104: error: `max' undeclared (first use this function)