标签:integer int solution string class bsp while return lse
把12题反了过来,不多说了随便写写
1 public class Solution { 2 public int RomanToInt(string s) { 3 int i = 0, result = 0; 4 while (i < s.Length) 5 { 6 if (s[i] == ‘I‘) 7 { 8 if (i < s.Length - 1) 9 { 10 if (s[i + 1] == ‘V‘) 11 { 12 result += 4; 13 i += 2; 14 continue; 15 } 16 if (s[i + 1] == ‘X‘) 17 { 18 result += 9; 19 i += 2; 20 continue; 21 } 22 } 23 result += 1; 24 i++; 25 } 26 else if (s[i] == ‘X‘) 27 { 28 if (i < s.Length - 1) 29 { 30 if (s[i + 1] == ‘L‘) 31 { 32 result += 40; 33 i += 2; 34 continue; 35 } 36 if (s[i + 1] == ‘C‘) 37 { 38 result += 90; 39 i += 2; 40 continue; 41 } 42 } 43 result += 10; 44 i++; 45 } 46 else if (s[i] == ‘C‘) 47 { 48 if (i < s.Length - 1) 49 { 50 if (s[i + 1] == ‘D‘) 51 { 52 result += 400; 53 i += 2; 54 continue; 55 } 56 if (s[i + 1] == ‘M‘) 57 { 58 result += 900; 59 i += 2; 60 continue; 61 } 62 } 63 result += 100; 64 i++; 65 } 66 else if (s[i] == ‘V‘) 67 { 68 result += 5; 69 i++; 70 } 71 else if (s[i] == ‘L‘) 72 { 73 result += 50; 74 i++; 75 } 76 else if (s[i] == ‘D‘) 77 { 78 result += 500; 79 i++; 80 } 81 else 82 { 83 result += 1000; 84 i++; 85 } 86 } 87 return result; 88 } 89 }
标签:integer int solution string class bsp while return lse
原文地址:https://www.cnblogs.com/Luohys/p/10055132.html