36 lines
1022 B
Rust
36 lines
1022 B
Rust
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struct Solution;
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impl Solution {
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pub fn maximum_tastiness(mut price: Vec<i32>, k: i32) -> i32 {
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price.sort_unstable();
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let mut l = 0;
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let mut r = price.last().unwrap() - price.first().unwrap();
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while l < r {
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let mid = l + r + 1 >> 1;
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let mut fm = -mid;
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let mut cnt = 0;
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for &x in price.iter() {
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if x - fm >= mid {
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cnt += 1;
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fm = x;
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}
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}
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if cnt < k {
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r = mid - 1;
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} else {
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l = mid;
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}
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}
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l
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}
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}
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fn main() {
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let mut buf = String::new();
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std::io::stdin().read_line(&mut buf).ok();
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let price: Vec<i32> = buf.trim().split(' ').map(|x|x.parse::<i32>().unwrap()).collect::<Vec<i32>>();
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buf.clear();
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std::io::stdin().read_line(&mut buf).ok();
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let k: i32 = buf.trim().parse::<i32>().unwrap();
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println!("{}", Solution::maximum_tastiness(price, k));
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}
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