case 5 failed: expected
20
1 1 1 1 5 5 5 5
but got
20
1 1 1 1 1 6 6 1
input:
8 5
1 3 5 7 10 10 10
1 2
1 3
2 4
1 5
5 6
6 7
5 8
exit status 1