Question

How to sum two binary strings in Rust

Answer 1

fn add_binary_strings(a: &str, b: &str) -> String {
    let num1 = u64::from_str_radix(a, 2).unwrap_or(0);
    let num2 = u64::from_str_radix(b, 2).unwrap_or(0);
    let sum = num1 + num2;
    
    format!("{:b}", sum)
}

fn main() {
    let a = "11";
    let b = "1";
    println!("{}", add_binary_strings(a, b)); 

    let a = "1010";
    let b = "1011";
    println!("{}", add_binary_strings(a, b)); 
}

 
 
/*
run:
   
100
10101
   
*/

 

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