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rs: add «2073. Time Needed to Buy Tickets»

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Signed-off-by: Matej Focko <mfocko@redhat.com>
This commit is contained in:
Matej Focko 2024-04-09 22:43:37 +02:00
parent 9baf18d1a6
commit 5b08535a48
Signed by: mfocko
GPG key ID: 7C47D46246790496
1 changed files with 16 additions and 0 deletions
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16
rs/time-needed-to-buy-tickets.rs Normal file
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@ -0,0 +1,16 @@
use std::cmp;
impl Solution {
pub fn time_required_to_buy(tickets: Vec<i32>, k: i32) -> i32 {
let threshold = tickets[k as usize];
let from_left: i32 = (0..=k as usize)
.map(|i| cmp::min(tickets[i], threshold))
.sum();
let from_right: i32 = (k as usize + 1..tickets.len())
.map(|i| cmp::min(tickets[i], threshold - 1))
.sum();
from_left + from_right
}
}