in c++ language please

7.12 (Find the Errors) Find the error(s) in each of the following statements: a) array5>f{0,1,2,0,1,2}; b) Assume that array_vals is an array of three doubles. cin \> array_vals[3]; c) Assume that array_vals is an array of doubles with two rows and three columns: array2>,3> array_vals; d) Assume that array_vals is an array of doubles with two rows and three columns: array_vals [2,1]=1.2345