View Compilation Error

0_0_10575058_27957.cpp:1: error: `lmax' was not declared in this scope
0_0_10575058_27957.cpp:1: error: `lmax' was not declared in this scope
0_0_10575058_27957.cpp: In function `int main()':
0_0_10575058_27957.cpp:5: error: `cin' undeclared (first use this function)
0_0_10575058_27957.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10575058_27957.cpp:9: error: `c1' undeclared (first use this function)
0_0_10575058_27957.cpp:10: error: `c2' undeclared (first use this function)
0_0_10575058_27957.cpp:26: error: `cout' undeclared (first use this function)
0_0_10575058_27957.cpp:26: error: `endl' undeclared (first use this function)