LeetCode 3300: Minimum Element After Replacement With Digit Sum Solution
Master LeetCode problem 3300 (Minimum Element After Replacement With Digit Sum), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.
Problem Explanation
Explanation
To solve this problem, we iterate through each element in the array, calculate the sum of digits for each element, and replace the element with this sum. Finally, we find the minimum element in the modified array.
- Iterate through the array.
- For each element, calculate the sum of its digits.
- Replace the element with this sum.
- Find the minimum element in the modified array.
Time complexity: O(n * log(max(nums[i]))) where n is the number of elements in the array and log(max(nums[i])) represents the number of digits in the maximum number in the array. Space complexity: O(1)
Solution Code
class Solution {
public int findMin(int[] nums) {
for (int i = 0; i < nums.length; i++) {
int sum = 0;
int num = nums[i];
while (num > 0) {
sum += num % 10;
num /= 10;
}
nums[i] = sum;
}
int min = Integer.MAX_VALUE;
for (int num : nums) {
min = Math.min(min, num);
}
return min;
}
}Try It Yourself
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