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0012#integer_to_roma#medium.c
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0012#integer_to_roma#medium.c
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char* intToRoman(int num)
{
int count = 0;
char* ans = (char*)malloc(sizeof(char) * 1000);
ans[0] = '\0';
while(num >= 1000)
{
ans[count] = 'M';
count ++;
ans[count] = '\0';
num -= 1000;
}
if(num >= 900)
{
ans[count] = 'C';
count ++;
ans[count] = 'M';
count ++;
ans[count] = '\0';
num -= 900;
}
if(num >= 500)
{
ans[count] = 'D';
count ++;
ans[count] = '\0';
num -= 500;
}
if(num >= 400)
{
ans[count] = 'C';
count ++;
ans[count] = 'D';
count ++;
ans[count] = '\0';
num -= 400;
}
while(num >= 100)
{
ans[count] = 'C';
count ++;
ans[count] = '\0';
num -= 100;
}
if(num >= 90)
{
ans[count] = 'X';
count ++;
ans[count] = 'C';
count ++;
ans[count] = '\0';
num -= 90;
}
if(num >= 50)
{
ans[count] = 'L';
count ++;
ans[count] = '\0';
num -= 50;
}
if(num >= 40)
{
ans[count] = 'X';
count ++;
ans[count] = 'L';
count ++;
ans[count] = '\0';
num -= 40;
}
while(num >= 10)
{
ans[count] = 'X';
count ++;
ans[count] = '\0';
num -= 10;
}
if(num >= 9)
{
ans[count] = 'I';
count ++;
ans[count] = 'X';
count ++;
ans[count] = '\0';
num -= 9;
}
if(num >= 5)
{
ans[count] = 'V';
count ++;
ans[count] = '\0';
num -= 5;
}
if(num >= 4)
{
ans[count] = 'I';
count ++;
ans[count] = 'V';
count ++;
ans[count] = '\0';
num -= 4;
}
while(num >= 1)
{
ans[count] = 'I';
count ++;
ans[count] = '\0';
num -= 1;
}
return ans;
}