12.Integer to Roman

Source: Internet
Author: User

    /** 12.Integer to Roman * 2016-4-14 by Mingyang * Here I forget the 50 and 40, then between 499 or 490 tangled a will * another if sentence inside if (num& Gt;=array[i]) is greater than or equal to not only greater than, or 9*/      Public StaticString Inttoroman (intnum) {String res=""; if(num<=0)              returnRes; int[] array={1,4,5,9,10,40,50,90,100,400,500,900,1000}; string[] Str={"I", "IV", "V", "IX", "X", "XL", "L", "XC", "C", "CD", "D", "CM", "M"}; StringBuffer SB=NewStringBuffer ();  while(num>0){               for(inti=array.length-1;i>=0;i--){                  if(num>=Array[i]) {                      inttem=num/Array[i];  while(tem>0) {sb.append (str[i]); TEM--; } num=num%Array[i]; }              }          }          returnsb.tostring (); }

12.Integer to Roman

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