Exercise: Squares Sum

squares-sum

⭐ beginner ⏱️ 5 min

Implement sum_squares(n) which returns the sum of squares from 1..=n.

src/lib.rs

⚠️ Try the exercise first! Show Solution

pub fn sum_squares(n: u64) -> u64 {
    (1..=n).map(|x| x*x).sum()
}

View Test Code

#[test]
fn small() {
    assert_eq!(sum_squares(3), 14);
}