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| class Solution {
public:
string printBin(double num) {
int i = 0;
string ret = "0.";
while(num && i++ < 30)
{
num *= 2;
if(num >= 1)
{
ret.append("1");
num -= 1;
}else
ret.append("0");
}
if(num != 0)
return "ERROR";
else
return ret;
}
};
|