Question

How to find the remainder without using modulo operator in Rust

Answer 1

fn main() {
    let n:i32 = 27;
    let divisor:i32 = 6;
    let mut remainder:i32 = n;
    
    while remainder >= divisor {
        remainder = remainder - divisor;
    }

    println!("The remainder is: {}", remainder);
}



 
/*
run:
 
The remainder is: 3
 
*/

 

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Answer 2

fn main() {
    let n:i32 = 27;
    let divisor:i32 = 6;
    let remainder:i32;
    
    remainder = n - (n / divisor) * divisor;

    println!("The remainder is: {}", remainder);
}



 
/*
run:
 
The remainder is: 3
 
*/

 

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