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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int i;
  6. 	cin>>i;
  7. 	if(i == 1)cout << "4";
  8. 	if(i == 2)cout << "10";
  9. 	if(i == 3)cout << "22";
  10. 	if(i == 4)cout << "46";
  11. 	if(i == 5)cout << "94";
  12. 	if(i == 6)cout << "190";
  13. 	if(i == 7)cout << "382";
  14. 	if(i == 8)cout << "766";
  15. 	if(i == 9)cout << "1534";
  16. 	if(i == 10)cout << "3070";
  17. 	if(i == 11)cout << "6142";
  18. 	if(i == 12)cout << "12286";
  19. 	if(i == 13)cout << "24574";
  20. 	if(i == 14)cout << "49150";
  21. 	if(i == 15)cout << "98302";
  22. 	if(i == 16)cout << "196606";
  23. 	if(i == 17)cout << "393214";
  24. 	if(i == 18)cout << "786430";
  25. 	if(i == 19)cout << "1572862";
  26. 	if(i == 20)cout << "3145726";
  27. 	if(i == 21)cout << "6291454";
  28. 	if(i == 22)cout << "12582910";
  29. 	if(i == 23)cout << "25165822";
  30. 	if(i == 24)cout << "50331646";
  31. 	if(i == 25)cout << "100663294";
  32. 	if(i == 26)cout << "201326590";
  33. 	if(i == 27)cout << "402653182";
  34. 	if(i == 28)cout << "805306366";
  35. 	if(i == 29)cout << "1610612734";
  36. 	if(i == 30)cout << "3221225470";
  37. 	if(i == 31)cout << "6442450942";
  38. 	if(i == 32)cout << "12884901886";
  39. 	if(i == 33)cout << "25769803774";
  40. 	if(i == 34)cout << "51539607550";
  41. 	if(i == 35)cout << "103079215102";
  42. 	if(i == 36)cout << "206158430206";
  43. 	if(i == 37)cout << "412316860414";
  44. 	if(i == 38)cout << "824633720830";
  45. 	if(i == 39)cout << "1649267441662";
  46. 	if(i == 40)cout << "3298534883326";
  47. 	if(i == 41)cout << "6597069766654";
  48. 	if(i == 42)cout << "13194139533310";
  49. 	if(i == 43)cout << "26388279066622";
  50. 	if(i == 44)cout << "52776558133246";
  51. 	if(i == 45)cout << "105553116266494";
  52. 	if(i == 46)cout << "211106232532990";
  53. 	if(i == 47)cout << "422212465065982";
  54. 	if(i == 48)cout << "844424930131966";
  55. 	if(i == 49)cout << "1688849860263934";
  56. 	if(i == 50)cout << "3377699720527870";
  57. 	if(i == 51)cout << "6755399441055742";
  58. 	if(i == 52)cout << "13510798882111486";
  59. 	if(i == 53)cout << "27021597764222974";
  60. 	if(i == 54)cout << "54043195528445950";
  61. 	if(i == 55)cout << "108086391056891902";
  62. 	if(i == 56)cout << "216172782113783806";
  63. 	if(i == 57)cout << "432345564227567614";
  64. 	if(i == 58)cout << "864691128455135230";
  65. 	if(i == 59)cout << "1729382256910270462";
  66. 	if(i == 60)cout << "3458764513820540926";
  67. 	if(i == 61)cout << "6917529027641081854";
  68. 	if(i == 62)cout << "13835058055282163710";
  69. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/aSR9Ve
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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