C Write a function named Sum that takes a vector of vector of int as a const reference and returns the sum of all the ints in that 2 d vector 1 include std vector vec 2d ASSERT EQ(Sum(vec 2d), e) Ovawn vec 2d 1, 3, 4 ASSERT EQ(Sum(vec 2d), 8) 9 10 vec 2d 1, 3, 4 , , 9, 10 ASSERT EQ(Sum(vec 2d), 27)

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Question: C++ Write a function named Sum that takes a vector of vector of int [as a const reference] and returns the sum of all the

C++ Write a function named "Sum" that takes a vector of vector of int [as a const reference] and returns the sum of all the ints in that 2-d vector.

C++ Write a function named "Sum" that takes a vector of vector

1 #include std::vector<:vector int>> vec_2d = {}; ASSERT_EQ(Sum(vec_2d), e); Ovawn vec_2d = {{1, 3, 4}}; ASSERT_EQ(Sum(vec_2d), 8); 9 10 vec_2d - {{1, 3, 4}, {}, {9, 10}}; ASSERT_EQ(Sum(vec_2d), 27)

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