Submission #3423557

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Source Code Expand

fn main() {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).unwrap();
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).unwrap();
    let v: Vec<char> = s.trim().chars().collect();
    let mut x: isize = 0;
    let mut y: isize = 0;
    for c in &v {
        if *c == 'I' {x += 1;}
        else if *c == 'D' {x -= 1;}
        if x > y {y = x;}
    }
    println!("{}", y);
}

Submission Info

Judge Result