// output of ./demo/comb/subset-deltalex-demo.cc: // Description: //% All subsets in lexicographic order with respect to delta sets. arg 1: 5 == n [Subsets of the n-element set {0,1,...,n-1}.] default=5 0: ..... { } 1: 1.... { 0 } 2: .1... { 1 } 3: 11... { 0, 1 } 4: ..1.. { 2 } 5: 1.1.. { 0, 2 } 6: .11.. { 1, 2 } 7: 111.. { 0, 1, 2 } 8: ...1. { 3 } 9: 1..1. { 0, 3 } 10: .1.1. { 1, 3 } 11: 11.1. { 0, 1, 3 } 12: ..11. { 2, 3 } 13: 1.11. { 0, 2, 3 } 14: .111. { 1, 2, 3 } 15: 1111. { 0, 1, 2, 3 } 16: ....1 { 4 } 17: 1...1 { 0, 4 } 18: .1..1 { 1, 4 } 19: 11..1 { 0, 1, 4 } 20: ..1.1 { 2, 4 } 21: 1.1.1 { 0, 2, 4 } 22: .11.1 { 1, 2, 4 } 23: 111.1 { 0, 1, 2, 4 } 24: ...11 { 3, 4 } 25: 1..11 { 0, 3, 4 } 26: .1.11 { 1, 3, 4 } 27: 11.11 { 0, 1, 3, 4 } 28: ..111 { 2, 3, 4 } 29: 1.111 { 0, 2, 3, 4 } 30: .1111 { 1, 2, 3, 4 } 31: 11111 { 0, 1, 2, 3, 4 }