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Core Beginner

Loops and conditionals: sum a range, then write the classic fizzbuzz for a single number.

Step 1 / 3

Sum 1, 2, ..., n in sum_to.

Hints

02_control_flow.rs

// sum of 1, 2, ..., n
fn sum_to(n: u32) -> u32 {
    todo!()
}

// sum of 1, 2, ..., n
fn sum_to(n: u32) -> u32 {
    todo!()
}

Reset to starterCompiled in a sandbox; hidden checks must pass.

Reveal solution

fn sum_to(n: u32) -> u32 {
    let mut total = 0;
    for i in 1..=n {
        total += i;
    }
    total
}