View Compilation Error

0_0_6183518_31089.cpp: In function `int main()':
0_0_6183518_31089.cpp:5: error: initializer expression list treated as compound expression
0_0_6183518_31089.cpp:5: error: invalid conversion from `int*' to `int'
0_0_6183518_31089.cpp:7: error: `scanf' cannot be used as a function
0_0_6183518_31089.cpp:7: error: `sum' undeclared (first use this function)
0_0_6183518_31089.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)