Run id: 165240

Main.cc: In function 'int main()':
Main.cc:15:9: error: 'ab' was not declared in this scope
         ab+=a[i]*b[i];
         ^
Main.cc:15:16: error: invalid types 'int[int]' for array subscript
         ab+=a[i]*b[i];
                ^
Main.cc:15:21: error: invalid types 'int[int]' for array subscript
         ab+=a[i]*b[i];
                     ^
Main.cc:17:11: error: 'ab' was not declared in this scope
     cout<