算法9：What is the sum of the digits of the number 21000
2021-05-06 16:27
标签：har ima 图片 ber number code git stat char What is the sum of the digits of the number 21000 结果 算法9：What is the sum of the digits of the number 21000 标签：har ima 图片 ber number code git stat char 原文地址：https://www.cnblogs.com/bors/p/sumDigits.html
public static int sumDigits(int n) {
int int_retVal = 0;
int int_pow = (int) Math.pow(2, n);
String str_retVal = String.valueOf(int_pow);
for (int i = 0; i ) {
int_retVal += Integer.parseInt(String.valueOf(str_retVal.charAt(i)));
}
System.out.println(int_pow + ", " + int_retVal);
return int_retVal;
}
public static void main(String[] args) {
sumDigits(1000);
}
2147483647, 46
文章标题：算法9：What is the sum of the digits of the number 21000
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