View Compilation Error

0_0_35584040_18086.cpp:6:1: error: expected initializer before 'double'
 double max(double a , double b)
 ^
0_0_35584040_18086.cpp: In function 'int main()':
0_0_35584040_18086.cpp:33:4: error: 'value' was not declared in this scope
    value[k++] = sum ;
    ^
0_0_35584040_18086.cpp:33:17: error: 'sum' was not declared in this scope
    value[k++] = sum ;
                 ^