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rust-practice
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odd_string_difference.rs
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rust-practice
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odd_string_difference.rs
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// 差值数组不同的字符串
// https://leetcode.cn/problems/odd-string-difference
// INLINE ../../images/array/odd_string_difference.jpeg
pub struct Solution;
impl Solution {
// 获取字符串中相邻字符的差值数组
pub fn get(word: &str) -> Vec<i32> {
let chars: Vec<char> = word.chars().collect();
let mut diff: Vec<i32> = vec![];
for i in 0..chars.len() - 1 {
diff.push((chars[i + 1] as i32) - (chars[i] as i32));
}
diff
}
// 找出差值数组不同的字符串
pub fn odd_string(words: Vec<String>) -> String {
let diff0 = Solution::get(&words[0]); // 获取第一个字符串的差值数组
let diff1 = Solution::get(&words[1]); // 获取第二个字符串的差值数组
if diff0 == diff1 {
// 如果第一个字符串和第二个字符串的差值数组相同
for i in 2..words.len() {
// 遍历剩余的字符串
if diff0 != Solution::get(&words[i]) {
// 如果当前字符串的差值数组和前两个字符串的差值数组不同
return words[i].clone(); // 返回当前字符串
}
}
}
// 打印结果
// println!("diff0: {:?}", diff0);
if diff0 == Solution::get(&words[2]) {
// 如果第三个字符串的差值数组和第一个字符串的差值数组相同
words[1].clone() // 返回第二个字符串
} else {
// 否则
words[0].clone() // 返回第一个字符串
}
}
}
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