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impl Solution {
pub fn convert_hour(h24: u8) -> (u8, bool) {
if h24 == 0 {
(12, false)
} else if h24 < 12 {
(h24, false)
} else if h24 == 12 {
(12, true)
} else {
(h24 - 12, true)
}
}
pub fn convert_time(h24: u8, minute: u8) -> Vec<u8> {
let (h12, is_pm) = Self::convert_hour(h24);
let mut out = Vec::new();
out.push(48u8 + h12 / 10);
out.push(48u8 + h12 % 10);
out.push(58u8);
out.push(48u8 + minute / 10);
out.push(48u8 + minute % 10);
out.push(32u8);
out.push(if is_pm { 80u8 } else { 65u8 });
out.push(77u8);
out
}
}