image/svg+xml 1 1 2 3 3 4 1 1 5 5 2 3 1 4 0 1 2 3 4 5 6 7 8 9 10 11 12 13 0 1 2 3 4 5 6 7 8 9 10 11 12 13 s=argsort: i=unargsort: 0 1 5 7 8 10 2 3 12 13 6 9 4 11 b=a[s]: 1 1 2 3 3 4 1 1 5 5 2 3 1 4 dfill(b): 1 1 1 1 5 7 10 12 0 ...diff: 5,2,3,2,2 ...repeat: 0,0,0,0,0,5,5,7,7,7,10,10,12,12 ...where: arange(n)-dfill(b): 0,1,2,3,4,0,1,0,1,2,0,1,0,1 (arange(n)-dfill(b))[i]: 0 1 0 0 1 0 2 3 0 1 1 2 4 1 1 1 2 3 3 4 1 1 5 5 2 3 1 4 in: in: