// output of ./demo/comb/kperm-lex-demo.cc: // Description: //% Generate all k-permutations of n elements in lexicographic order. //% Same as: k-prefixes of permutations of n elements. //% Same as: arrangements of k out of n elements. arg 1: 5 == n [Total of n elements, n>=1] default=5 arg 2: 3 == k [Prefix length: permutations of k elements, (1<=k<=n)] default=3 1: [ . 1 2 ][ 3 4 ] [ . . . . ] [ . 1 2 3 4 ] 2: [ . 1 3 ][ 2 4 ] [ . . 1 . ] [ . 1 3 2 4 ] 3: [ . 1 4 ][ 2 3 ] [ . . 2 . ] [ . 1 3 4 2 ] 4: [ . 2 1 ][ 4 3 ] [ . 1 . . ] [ . 2 1 4 3 ] 5: [ . 2 3 ][ 4 1 ] [ . 1 1 . ] [ . 4 1 2 3 ] 6: [ . 2 4 ][ 3 1 ] [ . 1 2 . ] [ . 4 1 3 2 ] 7: [ . 3 1 ][ 2 4 ] [ . 2 . . ] [ . 2 3 1 4 ] 8: [ . 3 2 ][ 1 4 ] [ . 2 1 . ] [ . 3 2 1 4 ] 9: [ . 3 4 ][ 1 2 ] [ . 2 2 . ] [ . 3 4 1 2 ] 10: [ . 4 1 ][ 3 2 ] [ . 3 . . ] [ . 2 4 3 1 ] 11: [ . 4 2 ][ 3 1 ] [ . 3 1 . ] [ . 4 2 3 1 ] 12: [ . 4 3 ][ 2 1 ] [ . 3 2 . ] [ . 4 3 2 1 ] 13: [ 1 . 2 ][ 3 4 ] [ 1 . . . ] [ 1 . 2 3 4 ] 14: [ 1 . 3 ][ 2 4 ] [ 1 . 1 . ] [ 1 . 3 2 4 ] 15: [ 1 . 4 ][ 2 3 ] [ 1 . 2 . ] [ 1 . 3 4 2 ] 16: [ 1 2 . ][ 4 3 ] [ 1 1 . . ] [ 2 . 1 4 3 ] 17: [ 1 2 3 ][ 4 . ] [ 1 1 1 . ] [ 4 . 1 2 3 ] 18: [ 1 2 4 ][ 3 . ] [ 1 1 2 . ] [ 4 . 1 3 2 ] 19: [ 1 3 . ][ 2 4 ] [ 1 2 . . ] [ 2 . 3 1 4 ] 20: [ 1 3 2 ][ . 4 ] [ 1 2 1 . ] [ 3 . 2 1 4 ] 21: [ 1 3 4 ][ . 2 ] [ 1 2 2 . ] [ 3 . 4 1 2 ] 22: [ 1 4 . ][ 3 2 ] [ 1 3 . . ] [ 2 . 4 3 1 ] 23: [ 1 4 2 ][ 3 . ] [ 1 3 1 . ] [ 4 . 2 3 1 ] 24: [ 1 4 3 ][ 2 . ] [ 1 3 2 . ] [ 4 . 3 2 1 ] 25: [ 2 . 1 ][ 3 4 ] [ 2 . . . ] [ 1 2 . 3 4 ] 26: [ 2 . 3 ][ 1 4 ] [ 2 . 1 . ] [ 1 3 . 2 4 ] 27: [ 2 . 4 ][ 1 3 ] [ 2 . 2 . ] [ 1 3 . 4 2 ] 28: [ 2 1 . ][ 4 3 ] [ 2 1 . . ] [ 2 1 . 4 3 ] 29: [ 2 1 3 ][ 4 . ] [ 2 1 1 . ] [ 4 1 . 2 3 ] 30: [ 2 1 4 ][ 3 . ] [ 2 1 2 . ] [ 4 1 . 3 2 ] 31: [ 2 3 . ][ 1 4 ] [ 2 2 . . ] [ 2 3 . 1 4 ] 32: [ 2 3 1 ][ . 4 ] [ 2 2 1 . ] [ 3 2 . 1 4 ] 33: [ 2 3 4 ][ . 1 ] [ 2 2 2 . ] [ 3 4 . 1 2 ] 34: [ 2 4 . ][ 3 1 ] [ 2 3 . . ] [ 2 4 . 3 1 ] 35: [ 2 4 1 ][ 3 . ] [ 2 3 1 . ] [ 4 2 . 3 1 ] 36: [ 2 4 3 ][ 1 . ] [ 2 3 2 . ] [ 4 3 . 2 1 ] 37: [ 3 . 1 ][ 2 4 ] [ 3 . . . ] [ 1 2 3 . 4 ] 38: [ 3 . 2 ][ 1 4 ] [ 3 . 1 . ] [ 1 3 2 . 4 ] 39: [ 3 . 4 ][ 1 2 ] [ 3 . 2 . ] [ 1 3 4 . 2 ] 40: [ 3 1 . ][ 4 2 ] [ 3 1 . . ] [ 2 1 4 . 3 ] 41: [ 3 1 2 ][ 4 . ] [ 3 1 1 . ] [ 4 1 2 . 3 ] 42: [ 3 1 4 ][ 2 . ] [ 3 1 2 . ] [ 4 1 3 . 2 ] 43: [ 3 2 . ][ 1 4 ] [ 3 2 . . ] [ 2 3 1 . 4 ] 44: [ 3 2 1 ][ . 4 ] [ 3 2 1 . ] [ 3 2 1 . 4 ] 45: [ 3 2 4 ][ . 1 ] [ 3 2 2 . ] [ 3 4 1 . 2 ] 46: [ 3 4 . ][ 2 1 ] [ 3 3 . . ] [ 2 4 3 . 1 ] 47: [ 3 4 1 ][ 2 . ] [ 3 3 1 . ] [ 4 2 3 . 1 ] 48: [ 3 4 2 ][ 1 . ] [ 3 3 2 . ] [ 4 3 2 . 1 ] 49: [ 4 . 1 ][ 2 3 ] [ 4 . . . ] [ 1 2 3 4 . ] 50: [ 4 . 2 ][ 1 3 ] [ 4 . 1 . ] [ 1 3 2 4 . ] 51: [ 4 . 3 ][ 1 2 ] [ 4 . 2 . ] [ 1 3 4 2 . ] 52: [ 4 1 . ][ 3 2 ] [ 4 1 . . ] [ 2 1 4 3 . ] 53: [ 4 1 2 ][ 3 . ] [ 4 1 1 . ] [ 4 1 2 3 . ] 54: [ 4 1 3 ][ 2 . ] [ 4 1 2 . ] [ 4 1 3 2 . ] 55: [ 4 2 . ][ 1 3 ] [ 4 2 . . ] [ 2 3 1 4 . ] 56: [ 4 2 1 ][ . 3 ] [ 4 2 1 . ] [ 3 2 1 4 . ] 57: [ 4 2 3 ][ . 1 ] [ 4 2 2 . ] [ 3 4 1 2 . ] 58: [ 4 3 . ][ 2 1 ] [ 4 3 . . ] [ 2 4 3 1 . ] 59: [ 4 3 1 ][ 2 . ] [ 4 3 1 . ] [ 4 2 3 1 . ] 60: [ 4 3 2 ][ 1 . ] [ 4 3 2 . ] [ 4 3 2 1 . ] ct=60