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Find the Key of the Numbers
You are given three positive integers num1, num2, and num3.
You are given three positive integers num1, num2, and num3.
The key of num1, num2, and num3 is defined as a four-digit number such that:
Return the key of the three numbers without leading zeros (if any).
Example 1
Input: num1 = 1, num2 = 10, num3 = 1000
Output: 0
Explanation: On padding, num1 becomes "0001" , num2 becomes "0010" , and num3 remains "1000" . Hence, the key is "0000" , i.e. 0.
Example 2
Input: num1 = 987, num2 = 879, num3 = 798
Output: 777
Example 3
Input: num1 = 1, num2 = 2, num3 = 3
Output: 1
Constraints
- 1 <= num1, num2, num3 <= 9999
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