Day 9 - Part 1 & 2 #5
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| // Compute the target sum by parsing twice the integer array | ||
| // FindIntruder the target sum by parsing twice the integer array |
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That's not the name of the func
| c.updatePreamble(idxStartPreamble, idxEndPreamble) | ||
| idxStartPreamble++ | ||
| } | ||
| // should not happened |
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Suggested change
| // should not happened | |
| // should not happen |
| return 0, 0 | ||
| } | ||
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| // findPair returns the odd value if there is no pair summing it |
| for p := range c.Preamble { | ||
| toFind := elt - p | ||
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| f := math.Abs(float64(toFind)) |
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or you could write your own abs func
| // remove the first element | ||
| delete(c.Preamble, c.Numbers[idxToRemove]) | ||
| // add the next element | ||
| c.Preamble[c.Numbers[idxToRemove+idxPreamble]] = struct{}{} |
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i supppose this will always work, but is there any safety net somewhere? c.Numbers is an array, after all.
| if err != nil { | ||
| return elt, err | ||
| } | ||
| return elt, nil |
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so, basically, always return elt, err ?
in the end, always return srconv.Atoi(line)?
| for sum > target { | ||
| sum -= tmpArray[0] | ||
| s := tmpArray[1:] | ||
| tmpArray = s |
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or tmpArray = tmpArray[1:]
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| // sumMinMax returns the sum of the min and max values from a given array | ||
| func sumMinMax(sum []int) int { | ||
| min, max := sum[0], 0 |
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it's better to also initialise max to sum[0]. just in case you encounter negative numbers
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