Expression 17: "D" Subscript, "e" "l" "f" "C" "a" "l" "o" "r" "i" "e" "s" , Baseline equals left bracket, Start sum from "n" equals 1 to length left parenthesis, "D" Subscript, "i" "n" "p" "u" "t" , Baseline , right parenthesis , end sum, "f" Subscript, "e" "l" "f" "I" "t" "e" "m" "s" , Baseline left parenthesis, "k" , right parenthesis left bracket, "n" , right bracket for "k" equals left bracket, 1... "V" Subscript, "e" "l" "f" "C" "o" "u" "n" "t" , Baseline , right bracket , right bracketDelfCalories=lengthDinput∑n=1felfItemsknfork=1...VelfCount
17
Expression 18: "f" Subscript, "r" "e" "c" "t" , Baseline left parenthesis, left bracket, 1...length left parenthesis, "D" Subscript, "e" "l" "f" "C" "a" "l" "o" "r" "i" "e" "s" , Baseline , right parenthesis , right bracket , 0 , 1 , "D" Subscript, "e" "l" "f" "C" "a" "l" "o" "r" "i" "e" "s" , Baseline , right parenthesisfrect1...lengthDelfCalories,0,1,DelfCalories