Sum of Minimums

Create a function that takes a 2D array arr and returns the sum of the minimum value in each row.

Examples

sumMinimums([
  [1, 2, 3, 4, 5],
  [5, 6, 7, 8, 9],
  [20, 21, 34, 56, 100]
] ➞ 26

// minimum value of the first row is 1
// minimum value of the second row is 5
// minimum value of the third row is 20

Notes

N/A