Commit f5a51ef

author

ruislan

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solved q786

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	`1`	`+use crate::q::Solution;`
	`2`	`+`
	`3`	`+#[allow(unused)]`
	`4`	`+impl Solution {`
	`5`	`+ pub fn kth_smallest_prime_fraction(arr: Vec<i32>, k: i32) -> Vec<i32> {`
	`6`	`+ // 方法1`
	`7`	`+ // 看到数据量不大,就尝试暴力一下,结果直接AC了,赶时间,先Mark,后面再来看有什么其他方法优化`
	`8`	`+ // AC 188ms 19.3mb 59/59`
	`9`	`+ let n = arr.len();`
	`10`	`+ let mut ans = Vec::new();`
	`11`	`+ for i in 0..n {`
	`12`	`+ for j in i + 1..n {`
	`13`	`+ ans.push((arr[i] as f64 / arr[j] as f64, i, j));`
	`14`	`+ }`
	`15`	`+ }`
	`16`	`+ ans.sort_unstable_by(\|a, b\| a.0.partial_cmp(&b.0).unwrap());`
	`17`	`+ vec![arr[ans[k as usize - 1].1], arr[ans[k as usize - 1].2]]`
	`18`	`+ }`
	`19`	`+}`

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