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504. 十进制转换为7进制（考虑负数的情况）Base 7

2024-09-04 05:41:33   220人阅读

Given an integer, return its base 7 string representation.

Example 1:

Input: 100
Output: "202"

Example 2:

Input: -7
Output: "-10"

Note: The input will be in range of [-1e7, 1e7].


  1. public class Solution {
  2.     public string ConvertToBase7(int num) {
  3. 		if (num == 0) {
  4. 			return "0";
  5. 		}
  6. 		int number = Math.Abs(num);
  7. 		string str = "";
  8. 		while (number > 0) {
  9. 			int n = number % 7;
  10. 			str = n.ToString() + str;
  11. 			number /= 7;
  12. 		}
  13. 		if (num < 0) {
  14. 			str = "-" + str;
  15. 		}
  16. 		return str;
  17.     }
  18. }



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504. 十进制转换为7进制（考虑负数的情况）Base 7


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