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There is something missing (Posted on 2005-05-13) Difficulty: 3 of 5
This popular Japanese number puzzle has just one easy rule: In every Row, every Column and every 3x3 sub-grid, all the numbers from 1 to 9 should appear, but only once in each row, column and sub-grid.
+------+-------+------+
| 0 0 0 | 7 0 0 | 4 0 0 |
| 0 3 0 | 0 9 0 | 0 2 0 |
| 4 0 0 | 0 0 5 | 0 0 0 |
+------+-------+------+
| 0 0 8 | 0 0 0 | 0 0 5 |
| 0 9 0 | 0 3 0 | 0 7 0 |
| 6 0 0 | 0 0 0 | 3 0 0 |
+------+-------+------+
| 0 0 0 | 4 0 0 | 0 0 6 |
| 0 7 0 | 0 2 0 | 0 9 0 |
| 0 0 5 | 0 0 8 | 0 0 0 |
+------+-------+------+

Replace the 0's with the digits required to satisfy the rule.

See The Solution Submitted by Hugo    
Rating: 4.4000 (10 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Execution in 2 seconds !!!!Penny2005-09-25 02:13:34
re: Program execution in less than a minuteKen Haley2005-06-04 16:30:13
SolutionSolutionsassy2005-05-22 20:17:10
re: Program execution in less than a minutePenny2005-05-19 11:05:46
Program execution in less than a minutePenny2005-05-18 19:53:41
Regarding the Official Solutionnikki2005-05-17 14:06:29
re: Totally by Handpcbouhid2005-05-17 13:32:55
Thanks...Ken Haley2005-05-17 03:31:09
SolutionTotally by Handnikki2005-05-17 01:33:29
re(5): Haley's Comet vrs. Penny's Loafer: And the winner is....Charlie2005-05-16 14:50:46
re(4): Haley's Comet vrs. Penny's Loafer: And the winner is....Charlie2005-05-16 14:10:44
re(3): Haley's Comet vrs. Penny's Loafer: And the winner is....Ken Haley2005-05-16 06:04:04
re(4): For those who don't know...pcbouhid2005-05-15 23:35:18
re(3): For those who don't know...Penny2005-05-15 22:49:13
re(2): For those who don't know...pcbouhid2005-05-15 21:30:42
re(2): Haley's Comet vrs. Penny's Loafer: And the winner is....Charlie2005-05-15 17:31:39
re: Haley's Comet vrs. Penny's Loafer: And the winner is....Ken Haley2005-05-15 15:09:25
re: For those who don't know...Hugo2005-05-15 13:30:05
Haley's Comet vrs. Penny's Loafer: And the winner is....Penny2005-05-15 05:44:29
re: Thanks, Mr. HaleyKen Haley2005-05-15 01:59:43
For those who don't know...pcbouhid2005-05-14 21:38:32
Thanks, Mr. HaleyPenny2005-05-14 17:53:52
SolutionSolutionLisa2005-05-14 16:35:58
Solutionre: A popular game in my neighborhood....Ken Haley2005-05-14 14:53:18
SolutionA popular game in my neighborhood....Penny2005-05-13 22:58:16
two more numbersAvin2005-05-13 21:03:43
SolutionComputer SolutionCharlie2005-05-13 21:03:15
again...pcbouhid2005-05-13 20:00:59
Nice problem - 2 numbers at oncepcbouhid2005-05-13 19:56:30
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