View Compilation Error

0_0_1869285_5101.cpp: In function `int main()':
0_0_1869285_5101.cpp:9: error: incompatible types in assignment of `int' to `double[5]'
0_0_1869285_5101.cpp:40: error: `sum' undeclared (first use this function)
0_0_1869285_5101.cpp:40: error: (Each undeclared identifier is reported only once for each function it appears in.)