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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. void number (long long n) {
  6. 	if(abs(n) < 1000){// сотни, десятки, единицы
  7. 		if(n < 0) { 
  8. 			cout << "minus ";
  9. 			n = abs(n);
  10. 			number(n);
  11. 		} 
  12. 		else if(n == 0) cout << "zero";
  13. 		else {// натуральные числа
  14. 			int safe = n;// сохраняем значение числа, так как дальше его изменяем,
  15. 			if((n / 100) != 0) {// если есть сотни
  16. 				n = n / 100;
  17. 			}
  18. 			switch(n){
  19. 				case 1: cout << "one "; break; 
  20. 				case 2: cout << "two "; break; 
  21. 				case 3: cout << "three "; break; 
  22. 				case 4: cout << "four "; break; 
  23. 				case 5: cout << "five "; break;
  24. 				case 6: cout << "six "; break; 
  25. 				case 7: cout << "seven "; break; 
  26. 				case 8: cout << "eight "; break; 
  27. 				case 9: cout << "nine "; break; 
  28. 			}
  29. 			if(((safe / 100) == 0) && ((safe % 100) / 10 == 0)){
  30. 				n = -1e90;// чтобы не продолжать выводить нули
  31. 			}
  32. 			if((safe / 100) > 0) {
  33. 				cout << "hundred ";
  34. 				n = safe % 100;
  35. 				safe = 0;
  36. 				if(n > 0){
  37. 				cout << "and ";
  38. 				}
  39. 			}
  40. 			if((n / 10) == 0){
  41. 				number(n);
  42. 			} else if((n / 10) == 1) {
  43. 				switch(n) {
  44. 					case 10: cout << "ten "; break;
  45. 					case 11: cout << "eleven "; break;
  46. 					case 12: cout << "twelve "; break;
  47. 					case 13: cout << "thirteen "; break;
  48. 					case 14: cout << "fourteen "; break;
  49. 					case 15: cout << "fifteen "; break;
  50. 					case 16: cout << "sixteen "; break;
  51. 					case 17: cout << "seventeen "; break;
  52. 					case 18: cout << "eighteen "; break;
  53. 					case 19: cout << "nineteen "; break;
  54. 				}
  55. 			} else if((n / 10) > 1) {
  56. 				switch(n / 10) {
  57. 					case 2: cout << "twenty"; break; 
  58. 					case 3: cout << "thirty"; break; 
  59. 					case 4: cout << "forty"; break; 
  60. 					case 5: cout << "fifty"; break;
  61. 					case 6: cout << "sixty"; break; 
  62. 					case 7: cout << "seventy"; break; 
  63. 					case 8: cout << "eighty"; break; 
  64. 					case 9: cout << "ninety"; break;
  65. 				}
  66. 				n = n % 10;
  67. 				if(n != 0){
  68. 					cout << "-";
  69. 					number(n);
  70. 				}
  71. 			} 
  72. 		}
  73. 	} else {// выводим тысячи, миллионы, миллиарды и т.д.	
  74. 		if(n >= 1e15) {
  75. 			number(n / 1e15);
  76. 			cout << "billiard ";
  77. 			n %= (long long) 1e15;
  78. 			if(n != 0) number(n);
  79. 		} else if(n >= 1e12) {
  80. 			number(n / 1e12);
  81. 			cout << "billion ";
  82. 			n %= (long long) 1e12;
  83. 			if(n != 0) number(n);
  84. 		} else if(n >= 1e9) {
  85. 			number(n / 1e9);
  86. 			cout << "milliard ";
  87. 			n %= (int) 1e9;
  88. 			if(n != 0) number(n);
  89. 		} else if(n >= 1e6) {
  90. 			number(n / 1e6);
  91. 			cout << "million ";
  92. 			n %= (int) 1e6;
  93. 			if(n != 0) number(n);
  94. 		} else if(n >= 1e3) {
  95. 			number(n / 1e3);
  96. 			cout << "thousand ";
  97. 			n %= (int) 1e3;
  98. 			if(n != 0) number(n);// чтоб не выводить ноль после тысяч
  99. 		}
  100. 	}
  101. }
  102.  
  103.  
  104.  
  105. int main() {
  106. 	long long n;
  107. 	cin >> n;
  108. 	number(n);
  109. 	return 0;
  110. }
Success #stdin #stdout 0s 3420KB
comments (?)
stdin
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999000000000000000
stdout
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nine hundred and ninety-nine billiard
https://ideone.com/J4mzVH
mif 18
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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