1221.split-a-string-in-balanced-strings.rs

/*
 * @lc app=leetcode id=1221 lang=rust
 *
 * [1221] Split a String in Balanced Strings
 */

// @lc code=start
impl Solution {
    pub fn balanced_string_split(s: String) -> i32 {
        let mut balance = 0;
        let mut res = 0;

        for c in s.chars() {
            match c {
                'L' => balance += 1,
                'R' => balance -= 1,
                _ => panic!("Unexpected character found")
            }

            if balance == 0 {
                res += 1;
            }
        }

        res
    }
}
// @lc code=end