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fn main() {
println!("Hello, world!");
let tests = [
("a123bc34d8ef34", 3),
("leet1234code234", 2),
("a1b01c001", 1),
("035985750011523523129774573439111590559325a1554234973", 2)
];
for test in tests {
println!("{:?} is {} should be {}", test.0,
Solution::num_different_integers(test.0.to_string()), test.1);
}
}
struct Solution;
use std::collections::HashSet;
impl Solution {
pub fn num_different_integers(word: String) -> i32 {
let result = unsafe { word.as_bytes() }.split(u8::is_ascii_alphabetic)
.filter(|x| !x.is_empty())
.map(|mut x| {while x.starts_with(b"0") {x = x.strip_prefix(b"0").unwrap(); } x})
// .map(|x| x.iter().rev().enumerate().fold(0, |acc, (i,&v)| acc + (v as u32 -48) * 10_u32.pow(i as u32)))
.collect::<HashSet<&[u8]>>();
println!("{result:?}");
result.len() as i32
}
}
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