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Counting bits Kernighan style

Mackerel answered on April 8, 2022 Popularity 1/10 Helpfulness 1/10

answer Counting bits Kernighan style

Counting bits Kernighan style

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// Counting bits Kernighan style
fn bit_count(mut n: usize) -> usize {
    let mut cnt = 0;
    while n > 0 {
        n &= n - 1;
        cnt += 1;
    }
    cnt
}

fn main() {
    println!("Bit count = {} ", bit_count(254));
}

Popularity 1/10 Helpfulness 1/10 Language rust

Source: Grepper

Tags: counting rust

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Contributed on Apr 08 2022

Mackerel

0 Answers Avg Quality 2/10

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Counting bits Kernighan style

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