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cs: add «1331. Rank Transform of an Array»

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Signed-off-by: Matej Focko <me@mfocko.xyz>
This commit is contained in:
Matej Focko 2024-10-02 21:22:03 +02:00
parent 133298c92a
commit 9c8e14695c
Signed by: mfocko
SSH key fingerprint: SHA256:icm0fIOSJUpy5+1x23sfr+hLtF9UhY8VpMC7H4WFJP8
1 changed files with 14 additions and 0 deletions
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cs/rank-transform-of-an-array.cs Normal file
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public class Solution {
public int[] ArrayRankTransform(int[] arr) {
var unique = new SortedSet<int>();
foreach (var x in arr) {
unique.Add(x);
}
var ranks = unique.Select((item, index) => (item, index + 1)).ToDictionary();
for (int i = 0; i < arr.Length; ++i) {
arr[i] = ranks[arr[i]];
}
return arr;
}
}