fn solve()

in contests/abc026/abc026_c.rs [18:36]


fn solve(src: &str) -> String {
    let source = AutoSource::from(src);

    input! {
        from source,
        N: usize,
        B: [usize; N-1]
    }

    let mut answer = 0;
    let mut employees = HashMap::new();
    let g = UnGraph::<i32, ()>::from_edges(&[(1, 2), (2, 3), (3, 4), (1, 4)]);

    for b in B {
        employees.entry(b).and_modify(|e| *e += 1).or_insert(1);
    }

    format!("{:?}", employees)
}