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GeneralRe: Sounding off on the responses Pin
Member 798912219-Mar-18 3:54
MemberMember 798912219-Mar-18 3:54 
GeneralRe: Sounding off on the responses Pin
W Balboos, GHB19-Mar-18 4:00
mveW Balboos, GHB19-Mar-18 4:00 
GeneralRe: Sounding off on the responses Pin
Member 798912219-Mar-18 4:15
MemberMember 798912219-Mar-18 4:15 
GeneralRe: Sounding off on the responses Pin
PIEBALDconsult19-Mar-18 10:32
professionalPIEBALDconsult19-Mar-18 10:32 
GeneralRe: Sounding off on the responses Pin
PIEBALDconsult20-Mar-18 10:49
professionalPIEBALDconsult20-Mar-18 10:49 
GeneralRe: Sounding off on the responses Pin
W Balboos, GHB21-Mar-18 1:17
mveW Balboos, GHB21-Mar-18 1:17 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
Fueled By Caffeine19-Mar-18 3:23
MemberFueled By Caffeine19-Mar-18 3:23 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
Member 798912219-Mar-18 3:33
MemberMember 798912219-Mar-18 3:33 
Fueled By Caffeine wrote:
will have traversed every possible path.
Certainly not in the sense "every digit in every position". Backtracking shortcuts any recursion tree as soon as it can be shown to be invalid.

Out of pure curiosity, I will add "search further" to my solver, just to see how much it costs to confirm that there is no other solution. My guess is that it is more work than finding the first/only solution, but not that much more. But that's just my guess...
GeneralRe: Difficult-to-solve Sudoku wanted Pin
PIEBALDconsult19-Mar-18 5:02
professionalPIEBALDconsult19-Mar-18 5:02 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
Member 798912219-Mar-18 5:57
MemberMember 798912219-Mar-18 5:57 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
PIEBALDconsult19-Mar-18 8:59
professionalPIEBALDconsult19-Mar-18 8:59 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
Dezhi Zhao19-Mar-18 5:21
MemberDezhi Zhao19-Mar-18 5:21 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
Member 798912219-Mar-18 6:16
MemberMember 798912219-Mar-18 6:16 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
Dezhi Zhao19-Mar-18 7:15
MemberDezhi Zhao19-Mar-18 7:15 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
Member 798912219-Mar-18 8:33
MemberMember 798912219-Mar-18 8:33 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
Dezhi Zhao19-Mar-18 9:21
MemberDezhi Zhao19-Mar-18 9:21 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
Dezhi Zhao19-Mar-18 7:30
MemberDezhi Zhao19-Mar-18 7:30 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
Member 798912219-Mar-18 9:18
MemberMember 798912219-Mar-18 9:18 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
Dezhi Zhao19-Mar-18 9:35
MemberDezhi Zhao19-Mar-18 9:35 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
PIEBALDconsult19-Mar-18 16:37
professionalPIEBALDconsult19-Mar-18 16:37 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
Dezhi Zhao20-Mar-18 3:06
MemberDezhi Zhao20-Mar-18 3:06 
GeneralRe: Difficult-to-solve Sudoku wanted Pin
PIEBALDconsult19-Mar-18 10:34
professionalPIEBALDconsult19-Mar-18 10:34 
QuestionKid Sister Safe These Days... Pin
"mega"-in-a-fake-beard18-Mar-18 23:17
professional"mega"-in-a-fake-beard18-Mar-18 23:17 
AnswerRe: Kid Sister Safe These Days... Pin
OriginalGriff18-Mar-18 23:27
mveOriginalGriff18-Mar-18 23:27 
GeneralRe: Kid Sister Safe These Days... Pin
W Balboos, GHB19-Mar-18 3:54
mveW Balboos, GHB19-Mar-18 3:54 

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