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authorJack Sangdahl <[email protected]>2025-03-10 00:36:13 -0600
committerJack Sangdahl <[email protected]>2025-03-10 00:36:13 -0600
commit7c60dee83b436e8e8a667bf9f191beced8de4fc3 (patch)
treeeb7a24ee2067f92245c57bb118e85a1baf15df50 /other/unique_num_occurrences.rs
parent5d7cdc215e4ba1ec4cbb24c084cccb5e5e641468 (diff)
downloadleetcode-7c60dee83b436e8e8a667bf9f191beced8de4fc3.tar.gz
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chore: move cpp and rust code to directory
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-rw-r--r--other/unique_num_occurrences.rs20
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diff --git a/other/unique_num_occurrences.rs b/other/unique_num_occurrences.rs
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+struct Solution;
+
+impl Solution {
+ pub fn unique_occurrences(arr: Vec<i32>) -> bool {
+ let (mut counter, mut set) = ([0; 2001], [false; 1000]);
+ arr.iter().for_each(|&x| counter[(x + 1000) as usize] += 1);
+ for &x in counter.iter().filter(|&&x| x > 0) {
+ match set[x as usize] {
+ true => return false,
+ false => set[x as usize] = true
+ }
+ }
+ true
+ }
+}
+
+fn main() {
+ let arr = vec![1,2,2,1,1,3];
+ print!("{}", Solution::unique_occurrences(arr));
+}