39 extern const char* examples[];
40 extern const unsigned int n_examples;
41 int example_size(
const char *s);
42 int sudokuField(
const char *s,
int n,
int i,
int j);
54 const char* examples[] = {
261 "...G...9..4.....6F..L8..."
262 "CEIN.HDM.OF.1L..A..9PJ.4."
263 ".....A...L..JBN.2.D.1...H"
264 "P49...JB23.AD..7E..C5F..."
265 "A1H....F.N5....I.BL...26."
266 "....7..C.6...H4B..1....I5"
267 ".F.P...I..B..7.5.L...9..."
268 ".L6A...5OF.8P...K.NE..734"
269 "B2.E..L...1J.5....O7.K.AP"
270 "O.5.CB1.P....3EM....2L.H."
271 "2..MJ.A...9.3.7......P.8C"
272 ".....CF.DPG62N.E...OH.M.J"
273 ".DL..OM..IE.B8..NH...3..K"
274 ".CO1F.B.N.AH..P.78.JE...D"
275 "E..6.....H......4M.KIB9.."
276 "N.J..6......C..1.5.G..H.."
277 "...75LG...6..1..CI..4.E.."
278 "9K..6.....HGN.O2P.4......"
279 ".OA..IP849...2.K3...7GN.."
280 "..G....N...P.D9....A...C1"
281 "J...M.NAFE.4..23.7....8L."
282 ".....J.H9CD1LP..GO....4ME"
283 "48NK..5.M......JL.......9"
284 ".I.OG....835.A.DH..P....."
285 "35......L.J..E....8IG.67B"
288 ".N..JG..O7591...8I....L.."
289 "FG.M.B8...P.E...CJ..H...."
290 "...........G.4.H.D.O.NJA2"
291 ".....J.EN4.L6MA.B.2......"
292 "HE..2..DC.....F4KMA.B.9O8"
293 "M....62...47C19......E5.."
294 ".I2.8M.JGL...ADN..K..3.F7"
295 "..H3.5..89....I.J.....NL."
296 "1B..9.FAP.6.N....537.H..O"
297 "......1..N...O...LC.68.PG"
298 "KOA.FNBH.....7.C.....M..6"
299 "45.ECP.I..N.F.J1...MK.79."
300 "I.L..8.O..9.P...A...2.1J."
301 "..621.D.M.....B8LG..P..CH"
302 ".HP.N7E.L1....3..B..O.G45"
303 "....BIO....5.C.P...FN48E."
304 "...FL.....2.DH..17..59O.."
305 "..I.MF..2G.N...A6O.HC.PB."
306 "72.1..L...IM.96E.45G....."
307 "..9...7M..A.O...I...L...."
308 ".C.JA.........1.....E.48."
309 "O.BI.......PHL.6..1....5C"
310 "G6M...N4FI8...K..H.E....."
311 ".L..4.917....BE.G8F.M.I.."
312 "8F......5.O3..4...9.....K"
315 "5.PC..7..J..I...3..H.M.2L"
316 "H.......F..DA..N.G...9..P"
317 "...3LCP2.54.71.B....J.8.."
318 "76M8...3A...H..C.D.FO...."
319 "...DK..GI..B.L.6.8.14...."
320 "A......M....D.6.N.P....O2"
321 "...E5BLF..92..3AJC..6I..."
322 ".PNJ.6..E7A.8..IM.OL1.G.C"
323 ".L3...O.N.5.KI.46.....9E."
324 ".I.G.A..28.MBP...E..HJ3.7"
325 "J.74.L..D1O96.A3.M...GI.."
326 "E...1...K....J...P6.7.C.9"
327 "8M..A9JO.F.P..1...4.E3N6."
328 "...I.3.7.......EL.CD..H.."
329 "....DE2..P...N.........K."
330 ".O.7.FKI1..GJ.N.....9.P8."
331 ".89..H..BNM73D.KFJ..I.6.A"
332 "PDBN...9M..C.....O.6..7.."
333 ".F.K...4..LA9B..C.E75..GN"
334 "G.A.....7.8.....H....O.3."
335 "B...C...4......8K.3.P...."
336 "DHE5..FA...J.3..B.2.KC.98"
337 "...F...5....N..J9......I."
338 ".J...P..O.BK....I.M.3..5."
339 "9...8.B.6.D.M.I..H.5G.J4."
342 "..6F.....5..3.....H..A.M2"
343 ".....3....I8.A.MC.KJ.LNG."
344 ".I.7N..K.2..6...3D..B.O85"
345 ".3A.PF.D8OBK7.2....L6.9H4"
346 ".K..CBML.....O.A8.G4.D..."
347 "1.4.AGL..M5..F.O.9....P2."
348 "..I.........8......N4E..."
349 "J.C8.1.6.3.LO.K7AG2P9.H.."
350 ".2.3BH..9.A...G......O..L"
351 ".H..M8.J.....NI1.LEF....B"
352 "I5..4.....G.27..K..3.M..H"
353 "P..E..I.A..3B.8....G.2..."
354 "AJ......NFK.I.O9476..G.1."
355 ".976...E3H....M5.F......O"
356 ".F.M3.5.GKC4.HJ.N.....ID7"
357 "..L1K..9.J37.ID..B..E6..."
358 ".82OH.1..PNML...E..C...J."
359 "....JLFN.B..G..6M..H..D.9"
360 "...C.A...I.6.......K.5..."
361 "E.G.I.....O....J.8F......"
362 "..M4..9.D.7.K.FE.3O......"
363 "H.N.....14E..B3L..8I...AG"
364 "K.O.62.PM...N..H...18C.9."
365 "LC..8.3...2...H.G...J..4E"
366 ".B..9NK.E....C6.P.4D.71OI"
369 "A..F.N......M28DC.LI7..OJ"
370 "..B...D.M.6....9.....2A.."
371 ".2..I.56.B...J.MEH......."
372 "O7...HE...BA..G2........L"
373 ".H6J.2...G.7NDP.A...8..C."
374 ".PN35..B..869.2.GA..K.C.."
375 "....EM13OD.N...49K...7..."
376 "9G..C....IJF5.B..7.3....."
377 "HD.....JN....7...EF....9."
378 "1.OA..G.KL....H..B.CP...."
379 "..CE.......2..9I....3...."
380 "FJ..83P.E..K7.NL15H..I2.."
381 ".4..GJ...6DIB...P...AHL.C"
382 ".1I.2.M....83.F..4.NBE..."
383 "L3M.OD.H.AG..4.....69...F"
384 ".8...5H.3.....M...D..K..4"
385 "3..4..AEDO7J...5..9..G1.."
386 "..2N9.8F.P.OIGC.L6..E.H.."
387 "C...1.7..K.L6.4EO.8.5...N"
388 ".IG.H..M..E...1A2N4..8.F."
389 "6..5J..N1...2..H.IGA...P8"
390 ".L...O...H...C....M5G..A."
391 "..F...3C.7.P..5N..B..DMH9"
392 "291D..6..M..H.7.3.J.N..B."
393 "....MK..29F.G.DO4...6.E35"
396 "....B12O3..D..F..KPL.E4.7"
397 "1M..GL..H..K.A.....39.P.."
398 ".8.3.4.....7..6.F.....CK."
399 "P.O...758.2..MC.....1L.A."
400 "...HFK6.A..8...9B...2...J"
401 "91.KJE..L.5O..GD.....4..."
402 ".I..3..D.2.....C4MLAK..N."
403 ".4..6IA.P7.....B9......3."
404 "M.F...4.J...8....N.H.1G7."
405 "..5P.N.....C.731.I.E.9A.."
406 ".....GO.KDL......BA......"
407 ".3A..F...9..K.EI5.7..6.DN"
408 ".G.54.L.....PH..3F6....2."
409 "....P.....G..2D.OH.1B...C"
410 "6.EM.7N....3.B4..DC..K1P."
411 "B.9.....I..5N...7OGK...46"
412 "OF.GD6HP..JM..BA8.I.C...."
413 "8.L7...........P.3M5...92"
414 ".EM.....45IF7....2.CJ8DL."
415 ".6.4.8..NA.2......9....GI"
416 "2..A1DCN..3G.F5.L..I..O6H"
417 "..BIO..1.H.L...G........."
418 "C.P.....M8.9O..5A..N.JK.D"
419 "H...N...FOA4..73....5..CM"
420 ".D4..3...6BE..N.2JH8..L.."
423 "LJ.FH2...K....359.E.B6.N."
424 "...EML1FC.PJ.A.8I....2.K4"
425 "9........G1..6..K...PAL3C"
426 "P...C34..8.N7.........DE."
427 "...7....E..IO...124.J5.F."
428 ".8.L.PA.2..31FG....N..C.I"
429 "F.G......M........2.K..1."
430 "....2KH6.JOD..9.L..G...B."
431 ".6O3..G...4.NJ.H.PB...5.9"
432 "I...K..LBN...E.76.A....8."
433 "D.B.L......8.3.C.KM.6...."
434 ".C593.I.N4.26MB..1..L.K.."
435 "M.F6......DA45.9..N.I3..B"
436 ".G..79.H...KJ...4...AN.2."
437 ".KH...BC....LON..7..D.8.F"
438 "2..B...MP....7OEJ4....6.1"
439 ".4....2O.9......N..1....G"
440 ".....G.JF.2..L.6.5......."
441 "C9A.G...H1...PJ..L.3.8.MN"
442 "...1......M.....O.P8.K3J."
443 "...N.HP.K25G3..JC8..1M..."
444 "..2K.FC34.A....N7..9.LB.."
445 "..65DJ..L..C.4.1...BGF..."
446 "OF..E..7.B.......634...D."
447 "G.3..N.I9D7PM8KF2....4..."
450 ".1..I8.P..6.N...BD...3O.."
451 ".9.6...E.M43.8..AK.2J.1.."
452 "...JKL...FA...P.I4...DB.."
453 "E...P.I.B.7.1..J.HC...98."
454 "..5M8GJ.KD.O...N3..1AI..."
455 "K.2C4.M.N..J..I.......H.5"
456 "N..B9O.D...KH6.E...C...7I"
457 "DE..JK4.....L.1B7..68PN2."
458 ".....P...C..F.7...L.O9..."
459 "...35.H......92..M.4.EC.1"
460 "P..IL..H.........1..3.D.."
461 "....B9..8.3I5.C...K...F1."
462 "FH....2O..D.4M.P...A...GC"
463 "JA.......KF.......4.EOMIP"
464 "3.7GNF...A.2OB9C.E5.HJ..."
465 "2.I.1.......AO5.P...K.3.."
466 "..H....L..M.CIJ..7...4..."
467 "GO.9..KF.I.P3...E.HJ...N7"
468 "5.37...B.E...4N..O.8....."
469 "4B...7.9O.HL..E2C3.K51.M."
470 "L.O42...D..AJ.8...GH.N..E"
471 "9M.8.H..LG1..N..5.E..F7B."
472 "......FAC..5M..I6J.B4...G"
473 "...F..82..P.E......36HK.L"
474 "B.J.G5...O.H2..98.7......"
477 ".CNPHK.53.O9F..D.78..J..."
478 "J.....F.DB...7.G..PAE...L"
479 ".6.........5.4A......I..."
480 "A..L.6.E.1JG....5.H.2...9"
481 "..G4..P...E2N.M...C..FB.1"
482 "..PKJ...G41O..C.N..H....."
483 ".M..I5L97J.3H...E2.8...D."
484 "1.4..ON.83G.P.D59..C.BH.."
485 "..2.9.......4.F.3.6..O.7."
486 "3F.7.MEC..5...2..4K.LN8.."
487 "...I........MF7.6AOG..LE."
488 "C1.3..JG..D.9...4..N...68"
489 "...M7L9..NHA...FJ.I..3.C."
490 ".A...P...5...E3.8M..K4OFG"
491 ".....C.6KIP...8..3.DJ...."
492 ".2.J...3C..7.D.9A.EF6L..."
493 "4...3.6N.....L9.H..P8...2"
494 ".9.C.4H.......P....1..FJ3"
495 ".LD.K87.1.BM5AJN....4H.G."
496 ".B..MAI........47O.LD...."
497 ".G....3....F..1..9..M..K6"
498 "P7.A..B8.......2....I.3.."
499 "M..O....9K2..6..1.N.FE.L."
500 "....E...A..N.J.IG8...C.9."
501 "6KL.4...FCI.A.....5J.2D.N"
504 "E..I...M......L....D...BK"
505 "F..BH9.K.A2.7..E4.P.6..M."
506 ".6.J..PD8FE.IM...K...54.."
507 "L...8E...IA..HC........7J"
508 ".....7H.4.JK..DOFC....9I."
509 "9...7A.5.B.M34E.KDJ8....."
510 "8...BD....O..7....CP.E.6."
511 ".1.3..8....D...2.ML.B..5A"
512 ".E2.A.O.7..1..I.659..8LD."
513 "KF..M2...PL......A.G..N3."
514 "...76N.1..CBG...DPK..O.J2"
515 ".JK...6B.9..P.7.N.EMFDG.5"
516 "N....G.F.8....OH9.2...E.7"
517 "....4.3....F9.....5.NC.A."
518 "M.A.GL.J......5..4.7.91.."
519 "C.8NE.5..6..M.....BJ17..H"
520 "7.6...NL.41.AC.I8...GJ3.."
521 "...53P.GM2.L..F.....K.68."
522 "J.4.D..H..IG..8K..35.N.FL"
523 "P.F...93.D.....A.1......M"
524 "..7.I...1...DF..PJ.4.MA.."
525 ".KN.....5H..O.63.E.2....4"
526 "....1...O..A2..DCH8B..KE."
527 "3.HA.6BP.....J1957O..28.."
528 "42JO.I...K5C......6.P.B.."
531 "...G87..O..F.N..CH6..D..2"
532 "C16..N....DL.3.E........."
533 ".LN.EK..D..O.G6.412....5H"
534 "K...2........59M...P..3.."
535 "..A9.M.6....8.E7O3..K..LB"
536 "7..8B.1.EP.....4.L.6.C.9."
537 ".3.6...9.85.A2F.....B.EP."
538 ".D4K.L..NA....C.M.E..7..."
539 "L..P.3H.CG.7....DKF..I6.."
540 "5EH.G.7.6.1....J....D3K.O"
541 ".6.....G.K.E..I2.4J......"
542 "..ICFP.8H7.2.O.B.NM5..G.."
543 ".M..D9..BE..J..F..I7..LAK"
544 ".BE.L...31.M7FK..C9..8.DN"
545 ".2O......D38C...E...F.P.."
546 ".A.....M..NB..3.J.7E8..2."
547 "...O...B..6..C.8KG4..5D7M"
548 "....M8..I..9..AL1.O.3HBNG"
549 ".C..4....L.....D.F......."
550 "J..5NF..G...H..6..C..1..."
551 "D..N..O....G9.J.A..I...8."
552 ".F.H1BN.K.O.4.8.6.3.9.M.."
553 "B...I....9K..6..2...G.H1."
554 "O...7.CJMI25N...HDKBPFAE."
555 ".....28.F..C........O.JK."
558 "9.K..6D.I5...........H..."
559 ".I.E..BK...GN...6.L...3.."
560 "7....2..L8E.K.D1.P5I.6..A"
561 "..N.LEH.A32..CM9........."
562 "..2....9N...3.IC...J.KF8."
563 "......GA..C.7JPNI3....6L."
564 "....E.J.8K..I.....97NG2.B"
565 "O7..3HI...M.....DCF5..914"
566 "L.M.4.3.19.D..2......F.K."
567 "B....F...O9.6ANG.2.PH.E.5"
568 "8KDM...5.1....G......P..6"
569 ".4.H.L.C..J2....G..3ION.."
570 "C.A..J..E...1K......92.5."
571 ".9O.NP.2...IA....H..G..7."
572 "...I5..O.N4.H...2DCKJ...E"
573 "56....1.D..AJ.....7.L.O.."
574 "K.8.H.7.9.5....AC..O..G6F"
575 "3..........O..C.F.P6K.5.."
576 "...OC.4J2.3E.9...N.H7..P1"
577 ".B.7.K.....6.MH.LJ..A...."
578 "I..4.........P..E7D9O.B.H"
579 "E.3G.OP...I1CBL..FN4..82."
580 ".A..9N.8.E...73O..H....4."
581 ".M.C.3....DK..EI......JG."
582 ".HP..D..FB...NO.1KJ8.AL.."
585 "....L.1.8H.CO..P....FA..."
586 "P1.2.4CO...K..A..3H8...7."
587 "I..H.G.5.B.6.M..A24.K..9."
588 "....6I.KF9..5.P.J1.BDCE.M"
589 ".A....2...F..L..E.M.6.5O3"
590 "7..1.C...8.L9..4P.5.G.K.."
591 "JO.5H.M2.I.7.F.6D..A4..NE"
592 "E.3.NO....K2...LG..7JM..."
593 ".9F.CJ.H....A.NKB.1..2.5."
594 "2LB...5..7.P36H.M..N...1D"
595 ".....P..B....46.HJ......."
596 "B4..7LI.C.GD2...KA.3H...."
597 "K5......6J1.........27O8P"
598 "LP...5K.G..JB3.......1.M."
599 "..EG...4.F.NKC...O..9.B.."
600 "..MI...D32AGP..5O...74.BN"
601 "FC74.....1..LO..8...5.D.J"
602 "..JN....H...E.I...DPA3.6."
603 "AE.......O3F..5.........H"
604 "...8..6......24.9G....I.1"
605 ".M....8.9..O1.F.C.EL3...A"
606 ".N...E.3.....I7M1...ODG.K"
607 "1......P.N9..D..5........"
608 ".I.P..FGOCMA.......J.5..2"
609 ".GK....7...3.....92..B.L4"
612 "...H....GKM.43..B.D......"
613 "15I.C....8B.6D.7G....A.H4"
614 ".7...F..B...J.E16.N....3."
615 "...D.1...6L7.H.5K....P98F"
616 "KJ.AF.5CHO...NP2M.....B.."
617 "4..K..I9.M.DNP..A.3..E5O6"
618 "PGC...HE.....I5..M...7..J"
619 ".B.EJ..G.5..L....D.48.2.."
620 ".D....N.4.J.2A..H..5..F1."
621 "8....AJLD.7..OM...1B....P"
622 "CH...N..7.........B3....."
623 "I..O.JL..P5...3......KH.8"
624 "D.259.E......6.......L3.."
625 "...3K6.B.AE..74N25H..G1.."
626 ".L.B..41.HC...G.OIP8..MN7"
627 ".........2.C.4.L....69.I5"
628 "N...7.C...69.5.A......PKL"
629 "....L.G...13.BOMP.82..D7H"
630 "...C.H..5.P.E.K...I7....."
631 "JO..P.96ABI8.....C..N..4G"
632 ".NA8H.32..O4..IB..L9G..J."
633 "..4.GD..M.3..27INJ.O....."
634 ".C9L..A..J.....6.2..I..F."
635 "BK...4..F.A.CL..87.1.O.M."
636 "6..P.I.5...M..N....F....D"
639 ".6OL.3GB.I.1F.EP..9..24.."
640 "..1.P.....K....N.2.....ID"
641 "2.8.K7..J...6..1F.......A"
642 "...D.8.4..29..LJ7.HMKPF.."
643 "..I.9N...A..P.M.DK...E5.."
644 "94.N...5..F..E.C182..BG3."
645 "8D..3HC....6G.....P.F.72I"
646 "C..I.E.7D....8BG.F...6..."
647 "......L....N.24..I..1K.DJ"
648 ".27HG.NF......I..L..E.A.."
649 "L...N.I8F6.H.9K.3O..B..5P"
650 ".9...L..25.B14F.N.JE...7K"
651 ".1...9B....GJ.8.A.5C....."
652 "....CPK..J....5.M.7.6.H.3"
653 "..F7..3..O..N..B8....421."
654 "AM.8....P...71..26N...3G."
655 "P....D.2.78.O..5CJ.GA.BH."
656 "6..4.F...3...K9A..1...J.M"
657 ".I2.E......JM.N...B98..P."
658 "FC..7..6.EI.D.G...3H5..KN"
659 "I8NO.4F.9..DB....5......."
660 "5..1...G3.MIH.A.9..N....."
661 "KG.62..1.....L3.....IJE.F"
662 "....D.6.AC4.9.....OL.HP.."
663 "..EA.5O.L.6.......D...9N."
666 ".CH3.L..D4F..I.........1."
667 "G..K.....7.O.......L.42N."
668 "A.D...5O8B...39G.4..I...L"
669 "1E2OB....A8N..6FCD9.H...G"
670 "IN..4..3.....J..5OM....9."
671 "...JEMP..9G8..D7......BA."
672 "B.M9..L....6...2.FI.KJ..."
673 ".LN.386A..BH....O.J.2..7."
674 "7A6..2..3N.....4KP..G8HIC"
675 ".1.....J.CK3....HB..5L4.."
676 ".H......P.I.57....G..21B4"
677 "....7.....EP1....3.2..A.."
678 ".59.1FI.L8.MJG.B..AH....E"
679 "NI..D....O3K..A.P9..8F..."
680 ".O....A..E2.8.HN.J7.P...."
681 ".MC..P....H2...A7..ID...1"
682 ".6.....M.J.14.BDG.3.O9F2."
683 ".......CG.........4...M.."
684 "HDL...8N7.......FK2C.E..B"
685 "..KP2I.F.3...N7J.E.6..L85"
686 "D.E...C.4.7B..I....A.1..M"
687 "J..M..7..D.A..4...ONBG..2"
688 "9.7.6..K..P..O....D...8.."
689 ".2IN..GE1.D..8...MK.CPJH."
690 "FG..8B.2.L..KH.....1.5E..",
1794 "BNDAJG62O7591KHF8IP34CLME"
1795 "FG.M.B8...P.E...CJ..H...."
1796 "...........G.4.H.D.O.NJA2"
1797 ".....J.EN4.L6MA.B.2......"
1798 "HE..2..DC.....F4KMA.B.9O8"
1799 "M....62...47C19......E5.."
1800 ".I2.8M.JGL...ADN..K..3.F7"
1801 "..H3.5..89....I.J.....NL."
1802 "1B..9.FAP.6.N....537.H..O"
1803 "......1..N...O...LC.68.PG"
1804 "KOA.FNBH.....7.C.....M..6"
1805 "45.ECP.I..N.F.J1...MK.79."
1806 "I.L..8.O..9.P...A...2.1J."
1807 "..621.D.M.....B8LG..P..CH"
1808 ".HP.N7E.L1....3..B..O.G45"
1809 "....BIO....5.C.P...FN48E."
1810 "...FL.....2.DH..17..59O.."
1811 "..I.MF..2G.N...A6O.HC.PB."
1812 "72.1..L...IM.96E.45G....."
1813 "..9...7M..A.O...I...L...."
1814 ".C.JA.........1.....E.48."
1815 "O.BI.......PHL.6..1....5C"
1816 "G6M...N4FI8...K..H.E....."
1817 ".L..4.917....BE.G8F.M.I.."
1818 "8F......5.O3..4...9.....K",
1821 ".ND.JG6.O7591..F8IP.4.LM."
1822 "FG.M.B8...P.E...CJ..H...."
1823 "...........G.4.H.D.O.NJA2"
1824 ".....J.EN4.L6MA.B.2......"
1825 "HE..2..DC.....F4KMA.B.9O8"
1826 "M....62...47C19......E5.."
1827 ".I2.8M.JGL...ADN..K..3.F7"
1828 "..H3.5..89....I.J.....NL."
1829 "1B..9.FAP.6.N....537.H..O"
1830 "......1..N...O...LC.68.PG"
1831 "KOA.FNBH.....7.C.....M..6"
1832 "45.ECP.I..N.F.J1...MK.79."
1833 "I.L..8.O..9.P...A...2.1J."
1834 "..621.D.M.....B8LG..P..CH"
1835 ".HP.N7E.L1....3..B..O.G45"
1836 "....BIO....5.C.P...FN48E."
1837 "...FL.....2.DH..17..59O.."
1838 "..I.MF..2G.N...A6O.HC.PB."
1839 "72.1..L...IM.96E.45G....."
1840 "..9...7M..A.O...I...L...."
1841 ".C.JA.........1.....E.48."
1842 "O.BI.......PHL.6..1....5C"
1843 "G6M...N4FI8...K..H.E....."
1844 ".L..4.917....BE.G8F.M.I.."
1845 "8F......5.O3..4...9.....K"
1849 const unsigned int n_examples =
sizeof(examples)/
sizeof(
char*);
1853 int l = std::strlen(s);
1854 int res =
static_cast<int>(std::sqrt(std::sqrt(
static_cast<float>(
l))));
1855 assert(res*res*res*res ==
l);
1861 assert(example_size(s) == std::sqrt(
static_cast<float>(
n)));
1862 assert(i >= 0 && i <
n);
1863 assert(j >= 0 && j <
n);
1864 char c = s[j*
n + i];
1865 if (!std::isalnum(c))
1867 if (std::isdigit(c))
1869 if (std::islower(c))
1870 c =
static_cast<char>(std::toupper(c));
1872 int res = (c -
'A') + 10;
1873 if (res >
n)
return 0;
int n
Number of negative literals for node type.
int example_size(const char *s)
The size of an instance.
int sudokuField(const char *s, int n, int i, int j)
Return value at position (i,j) in the example s of size n.