800. Similar RGB Color π
Description
The red-green-blue color "#AABBCC"
can be written as "#ABC"
in shorthand.
- For example,
"#15c"
is shorthand for the color"#1155cc"
.
The similarity between the two colors "#ABCDEF"
and "#UVWXYZ"
is -(AB - UV)2 - (CD - WX)2 - (EF - YZ)2
.
Given a string color
that follows the format "#ABCDEF"
, return a string represents the color that is most similar to the given color and has a shorthand (i.e., it can be represented as some "#XYZ"
).
Any answer which has the same highest similarity as the best answer will be accepted.
Example 1:
Input: color = "#09f166" Output: "#11ee66" Explanation: The similarity is -(0x09 - 0x11)2 -(0xf1 - 0xee)2 - (0x66 - 0x66)2 = -64 -9 -0 = -73. This is the highest among any shorthand color.
Example 2:
Input: color = "#4e3fe1" Output: "#5544dd"
Constraints:
color.length == 7
color[0] == '#'
color[i]
is either digit or character in the range['a', 'f']
fori > 0
.
Solutions
Solution 1
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