View Compilation Error

198251_0_21321.cpp
198251_0_21321.cpp(8) : error C2143: syntax error : missing ')' before ';'
198251_0_21321.cpp(8) : warning C4552: '<' : operator has no effect; expected operator with side-effect
198251_0_21321.cpp(8) : error C2059: syntax error : ')'
198251_0_21321.cpp(9) : error C2146: syntax error : missing ';' before identifier 'sum'