Contents

pub fn square_of_sum(n: usize) -> usize {
    let sum = n * (n + 1) / 2;
    sum * sum
}

pub fn sum_of_squares(n: usize) -> usize {
    (0..n+1).map(|x| x*x).fold(0, |accum, x| accum + x)
}

pub fn difference(n: usize) -> usize {
    square_of_sum(n) - sum_of_squares(n)
}

Version data entries

395 entries across 395 versions & 1 rubygems

Version	Path
trackler-2.2.1.179	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.178	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.177	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.176	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.175	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.174	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.173	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.172	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.171	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.170	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.169	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.167	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.166	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.165	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.164	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.163	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.162	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.161	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.160	tracks/rust/exercises/difference-of-squares/example.rs
trackler-2.2.1.159	tracks/rust/exercises/difference-of-squares/example.rs