View Compilation Error

0_0_5035123_8591.cpp:3: error: ISO C++ forbids declaration of `voidmain' with no type
0_0_5035123_8591.cpp: In function `int voidmain()':
0_0_5035123_8591.cpp:4: error: `__int64T' undeclared (first use this function)
0_0_5035123_8591.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5035123_8591.cpp:4: error: `i' undeclared (first use this function)
0_0_5035123_8591.cpp:4: error: `j' undeclared (first use this function)
0_0_5035123_8591.cpp:4: error: `n' undeclared (first use this function)
0_0_5035123_8591.cpp:4: error: `max' undeclared (first use this function)
0_0_5035123_8591.cpp:4: error: `sum' undeclared (first use this function)
0_0_5035123_8591.cpp:4: error: `num' undeclared (first use this function)
0_0_5035123_8591.cpp:5: error: `T' undeclared (first use this function)
0_0_5035123_8591.cpp:18: error: `elseprintf' undeclared (first use this function)