Question

How to count ones in binary number with Rust

Answer 1

fn main() {
    let n = 0b01001101u8;

    println!("{}", n.count_ones());
}
 
 
 
 
/*
run:
 
4
 
*/

 

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Answer 2

fn main() {
    let n:i16 = 14; // 1110

    println!("{}", n.count_ones());
}
 
 
 
 
/*
run:
 
3
 
*/

 

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