leetcode 12. Integer to Roman
2016-06-19 20:18
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string intToRoman(int num) {
string roman[] = {"M","CM","D","CD","C","XC","L","XL","X","IX","V","IV","I"};
int value[] = {1000,900,500,400,100,90,50,40,10,9,5,4,1};
string ret = "";
int tmp,i;
for(i=0;i<13;++i){
tmp = num / value[i];
num = num - tmp * value[i];
string concat = "";
while(tmp--)concat += roman[i];
ret += concat;
}
return ret;
}
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