A 100 × 100 sparse matrix has 50 non-zero elements. It is stored in the triplet (row, column, value) form, with an extra first row that hol…

A 100 × 100 sparse matrix has 50 non-zero elements. It is stored in the triplet (row, column, value) form, with an extra first row that holds the number of rows, the number of columns and the number of non-zero elements. How many numbers are stored altogether?