28 lines
565 B
Rust
28 lines
565 B
Rust
/**
|
|
* [3340] Check Balanced String
|
|
*/
|
|
pub struct Solution {}
|
|
|
|
// submission codes start here
|
|
|
|
impl Solution {
|
|
pub fn is_balanced(num: String) -> bool {
|
|
let num: Vec<i32> = num.bytes().map(|x| (x - b'0') as i32).collect();
|
|
|
|
num.iter().step_by(2).sum::<i32>() == num.iter().skip(1).step_by(2).sum::<i32>()
|
|
}
|
|
}
|
|
|
|
// submission codes end
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn test_3340() {
|
|
assert!(!Solution::is_balanced("1234".to_owned()));
|
|
assert!(Solution::is_balanced("24123".to_owned()));
|
|
}
|
|
}
|