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  1.  
  2. let pai = new Array(34);
  3. pai.fill(4);
  4. let count = 0;
  5.  
  6. function juntsu(rem, p) {
  7. 	if (rem === 0) {
  8. 		count++;
  9. 		return;
  10. 	}
  11. 	for (let i = p; i < 27; i++) {
  12. 		if (i % 9 > 6) continue;
  13. 		if (pai[i] === 0) continue;
  14. 		if (pai[i+1] === 0) continue;
  15. 		if (pai[i+2] === 0) continue;
  16. 		pai[i]--;
  17. 		pai[i+1]--;
  18. 		pai[i+2]--;
  19. 		juntsu(rem-1, i);
  20. 		pai[i]++;
  21. 		pai[i+1]++;
  22. 		pai[i+2]++;
  23.  
  24. 	}
  25. }
  26.  
  27. function mentsu(rem, p) {
  28. 	if (rem === 0) {
  29. 		count++;
  30. 		return;
  31. 	}
  32. 	for (let i = p; i < 34; i++) {
  33. 		if (pai[i] < 4) continue;
  34. 		pai[i] -= 3;
  35. 		mentsu(rem-1, i+1);
  36. 		juntsu(rem-1, 0);
  37. 		pai[i] += 3;
  38. 	}
  39. }
  40.  
  41. function atama() {
  42. 	for (let i = 0; i < 34; i++) {
  43. 		pai[i] -= 2;
  44. 		mentsu(4, 0);
  45. 		juntsu(4, 0);
  46. 		pai[i] += 2;
  47. 	}
  48. }
  49.  
  50. atama();
  51.  
  52. print(count);
  53.  
Success #stdin #stdout 0.22s 20656KB
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12971847
https://ideone.com/jRcQ3C
language:
JavaScript (SMonkey 60.2.3)
created:
2 years ago
visibility:
public

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