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5738:K 进制表示下的各位数字总和(优化)

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huangge1199 2021-04-25 14:49:39 +08:00
parent 749040b84c
commit 737d31db25
1 changed files with 6 additions and 5 deletions
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11
LeetCode/src/main/java/leetcode/editor/cn/SumOfDigitsInBaseK.java
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@ -43,11 +43,12 @@ public class SumOfDigitsInBaseK{
class Solution { class Solution {
public int sumBase(int n, int k) { public int sumBase(int n, int k) {
int sum = 0; int sum = 0;
String str = ""; // StringBuilder str = new StringBuilder();
while (n > 0) { // while (n > 0) {
str += n % k; // str.append(n % k);
n /= k; // n /= k;
} // }
String str = Integer.toString(n,k);
for (int i = 0; i < str.length(); i++) { for (int i = 0; i < str.length(); i++) {
sum += str.charAt(i) - '0'; sum += str.charAt(i) - '0';
} }