数值的整数次方-个人解法
数值的整数次方
http://www.nowcoder.com/questionTerminal/1a834e5e3e1a4b7ba251417554e07c00
数值的整数次方
- 没有做exponent为0或者1的判断
- 只做了exponent正负的判断
public class Solution {
public double Power(double base, int exponent) {
double res = 1;
if(exponent>=0){
while(exponent-->0) res *=base;
}else{
while(exponent++<0) res *=base;
res=1/res;
}
return res;
}
} 
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