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  1. #include <iostream>
  2. #include <string>
  3.  
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8. 	string c1, c2;
  9. 	int l = 0;
  10. 	string wynik;
  11.  
  12. 	cin >> c1 >> c2;
  13.  
  14. 	for (int i = 0; i < c1.size(); i++)
  15. 	{
  16. 		if (c1[i] == 'I')
  17. 		{
  18. 			if (i == c1.size() - 1 || c1[i + 1] == 'I')
  19. 				l += 1;
  20. 			else
  21. 				l -= 1;
  22. 		}
  23. 		else if (c1[i] == 'V')
  24. 			l += 5;
  25. 		else if (c1[i] == 'X')
  26. 		{
  27. 			if (i == c1.size() - 1 || c1[i + 1] == 'I' || c1[i + 1] == 'V' || c1[i + 1] == 'X')
  28. 				l += 10;
  29. 			else
  30. 				l -= 10;
  31. 		}
  32. 		else if (c1[i] == 'L')
  33. 			l += 50;
  34. 		else if (c1[i] == 'C')
  35. 		{
  36. 			if (i == c1.size() - 1 || c1[i + 1] == 'I' || c1[i + 1] == 'V' || c1[i + 1] == 'X' || c1[i + 1] == 'L' || c1[i + 1] == 'C')
  37. 				l += 100;
  38. 			else
  39. 				l -= 100;
  40. 		}
  41. 		else if (c1[i] == 'D')
  42. 			l += 500;
  43. 		else if (c1[i] == 'M')
  44. 			l += 1000;
  45. 	}
  46. 	for (int i = 0; i < c2.size(); i++)
  47. 	{
  48. 		if (c2[i] == 'I')
  49. 		{
  50. 			if (i == c2.size() - 1 || c2[i + 1] == 'I')
  51. 				l += 1;
  52. 			else
  53. 				l -= 1;
  54. 		}
  55. 		else if (c2[i] == 'V')
  56. 			l += 5;
  57. 		else if (c2[i] == 'X')
  58. 		{
  59. 			if (i == c2.size() - 1 || c2[i + 1] == 'I' || c2[i + 1] == 'V' || c2[i + 1] == 'X')
  60. 				l += 10;
  61. 			else
  62. 				l -= 10;
  63. 		}
  64. 		else if (c2[i] == 'L')
  65. 			l += 50;
  66. 		else if (c2[i] == 'C')
  67. 		{
  68. 			if (i == c2.size() - 1 || c2[i + 1] == 'I' || c2[i + 1] == 'V' || c2[i + 1] == 'X' || c2[i + 1] == 'L' || c2[i + 1] == 'C')
  69. 				l += 100;
  70. 			else
  71. 				l -= 100;
  72. 		}
  73. 		else if (c2[i] == 'D')
  74. 			l += 500;
  75. 		else if (c2[i] == 'M')
  76. 			l += 1000;
  77. 	}
  78.  
  79. 	if (l <= 2000 && l >= 1000)
  80. 	{
  81. 		if (l == 2000)
  82. 			wynik += "MM";
  83. 		else if (l < 2000 && l >= 1000)
  84. 			wynik += "M";
  85.  
  86. 		l %= 1000;
  87. 	}
  88. 	if (l >= 100 && l <= 999)
  89. 	{
  90. 		if (l >= 900)
  91. 			wynik += "CM";
  92. 		else if (l >= 800 && l <= 899)
  93. 			wynik += "DCCC";
  94. 		else if (l >= 700 && l <= 799)
  95. 			wynik += "DCC";
  96. 		else if (l >= 600 && l <= 699)
  97. 			wynik += "DC";
  98. 		else if (l >= 500 && l <= 599)
  99. 			wynik += "D";
  100. 		else if (l >= 400 && l <= 499)
  101. 			wynik += "CD";
  102. 		else if (l >= 300 && l <= 399)
  103. 			wynik += "CCC";
  104. 		else if (l >= 200 && l <= 299)
  105. 			wynik += "CC";
  106. 		else if (l >= 100 && l <= 199)
  107. 			wynik += "C";
  108.  
  109. 		l %= 100;
  110. 	}
  111. 	if (l >= 10 && l <= 99)
  112. 	{
  113. 		if (l >= 90)
  114. 			wynik += "XC";
  115. 		else if (l >= 80 && l <= 89)
  116. 			wynik += "LXXX";
  117. 		else if (l >= 70 && l <= 79)
  118. 			wynik += "LXX";
  119. 		else if (l >= 60 && l <= 69)
  120. 			wynik += "LX";
  121. 		else if (l >= 50 && l <= 59)
  122. 			wynik += "L";
  123. 		else if (l >= 40 && l <= 49)
  124. 			wynik += "XL";
  125. 		else if (l >= 30 && l <= 39)
  126. 			wynik += "XXX";
  127. 		else if (l >= 20 && l <= 29)
  128. 			wynik += "XX";
  129. 		else if (l >= 10 && l <= 19)
  130. 			wynik += "X";
  131.  
  132. 		l %= 10;
  133. 	}
  134. 	if (l <= 9 && l > 0)
  135. 	{
  136. 		if (l == 9)
  137. 			wynik += "IX";
  138. 		else if (l == 8)
  139. 			wynik += "VIII";
  140. 		else if (l == 7)
  141. 			wynik += "VII";
  142. 		else if (l == 6)
  143. 			wynik += "VI";
  144. 		else if (l == 5)
  145. 			wynik += "V";
  146. 		else if (l == 4)
  147. 			wynik += "IV";
  148. 		else if (l == 3)
  149. 			wynik += "III";
  150. 		else if (l == 2)
  151. 			wynik += "II";
  152. 		else if (l == 1)
  153. 			wynik += "I";
  154. 	}
  155.  
  156. 	cout << wynik << endl;
  157.  
  158. 	cin.get(); cin.get();
  159. 	return 0;
  160. }
Success #stdin #stdout 0s 4376KB
comments (?)
stdin
copy 
CXXIII CCLVI
stdout
copy 
CCCLXXIX
https://ideone.com/MSANpz
problem JSUMRZYM, based on SPOJ submission 22102058 (C++ 4.3.2), 2018-08-06 00:08:36
language:
C++ 4.3.2 (gcc-4.3.2)
created:
5 years ago
visibility:
secret

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