19 lines
530 B
Rust
19 lines
530 B
Rust
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impl Solution {
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pub fn check_possibility(nums: Vec<i32>) -> bool {
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nums.windows(2)
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.scan(i32::MIN, |max, n| {
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*max = n[0].max(*max);
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Some(n[1] < *max)
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})
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.filter(|&result| result)
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.count() <= 1 ||
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nums.windows(2)
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.rev()
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.scan(i32::MAX, |min, n| {
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*min = n[1].min(*min);
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Some(n[0] > *min)
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})
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.filter(|&result| result)
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.count() <= 1
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}
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}
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