matrix_11

Format Linked List for sparse Matrix

6 19
10 -2 3 9 3 7 8 7 3 8 7 5 8 9 9 13 4 2 -1
1 5 1 2 6 2 3 4 1 3 4 5 2 4 5 6 2 5 6
2 -1 4 5 -1 7 8 -1 10 11 12 -1 14 15 16 -1 18 19 -1
1 3 6 9 13 17
-1