Added Happy Number #57
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ignacio-chiazzo
approved these changes
Oct 7, 2022
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| 12 + 92 = 82 | ||
| 82 + 22 = 68 | ||
| 62 + 82 = 100 | ||
| 12 + 02 + 02 = 1 |
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Could you update this using a ^? The digits together are a bit confusing.
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| strNumber = n.toString(); | ||
| splitNumber = strNumber.split(""); |
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another solution that doesn't require translating the integer to a String would be to
get the number, apply mod 10 and divide it by 10, get the digit and repeat the process.
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sorry, i don't get it. could you give an example?
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last_digit = n % 10
n = (n - last_digit) / 10
ignacio-chiazzo
approved these changes
Oct 7, 2022
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+40
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| strNumber = n.toString(); | ||
| splitNumber = strNumber.split(""); |
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last_digit = n % 10
n = (n - last_digit) / 10
| Input: s = "abc", indices = [0,1,2] | ||
| Output: "abc" | ||
| Explanation: After shuffling, each character remains in its position. | ||
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I guess this assumes the input indices is a valid input e.g. it cannot be [-1, 1023234234]
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This is actually my first pull request, I start with an easy problem hehe
I hope i can contribute more
thanks,,