Question

How to check if an integer include specific digits x times in Rust

Answer 1

fn integer_include_digit_x_times(mut n: i32, xtims: i32, digit: i32) -> bool {
    let mut count = 0;

    // Count occurrences of the digit in the number
    while n > 0 {
        if n % 10 == digit {
            count += 1;
        }
        n /= 10; // Perform integer division
    }

    // Return true if count matches xtims
    count == xtims
}

fn main() {
    println!("{}", integer_include_digit_x_times(7097175, 3, 7)); 
    println!("{}", integer_include_digit_x_times(70975, 3, 7));   
}



/*
run:

true
false

*/

 

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